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Sony MHC-V77DW Service Manual
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Sony MHC-V77DW Service Manual

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SERVICE MANUAL
Ver. 1.0 2016.08
Note:
Be sure to keep your PC used for service and
checking of this unit always updated with the
latest version of your anti-virus software.
In case a virus affected unit was found during
service, contact your Service Headquarters.
Speaker section
Speaker system:
Tweeter + Midrange speaker + Woofer
Speaker unit:
Tweeter L/R: 40 mm, cone type
Midrange L/R: 120 mm, cone type
Woofer: 250 mm, cone type
Rated impedance:
Tweeter L/R: 4 ohms
Midrange L/R: 4 ohms
Woofer: 8 ohms
Inputs
AUDIO/PARTY CHAIN IN (TV) L/R:
Voltage 2 V, impedance
47 kilohms
TV (ARC):
Supported audio signal:
2-channel Linear PCM
MIC1, MIC2:
Sensitivity 1 mV, impedance
10 kilohms
Outputs
AUDIO/PARTY CHAIN OUT L/R:
Voltage 2 V, impedance 1 kilohm
VIDEO OUT:
Max. output level 1 Vp-p,
unbalanced, Sync. negative load
impedance 75 ohms
HDMI OUT (TV):
Supported audio signal:
2-channel Linear PCM (up to
48 kHz), Dolby Digital
HDMI section
Connector:
Type A (19 pin)
Disc player section
System:
Compact disc and digital audio and
video system
9-890-683-01
Sony Corporation
2016H80-1
©
2016.08
Published by Sony EMCS (Malaysia) PG Tec
MHC-V77DW
Model Name Using Similar Mechanism
DVD
DVD Mechanism Type
Section
Optical Pick-up Name
SPECIFICATIONS
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6 μW
* This output is the value measurement
at a distance of 200 mm from the
objective lens surface on the Optical
Pick-up Block with 7 mm aperture.
Frequency response:
20 Hz – 20 kHz
Video color system format:
Latin American model:
NTSC
Other models:
NTSC and PAL
USB section
Supported USB device:
Mass Storage Class
Maximum current:
1 A
(USB) port:
Type A
FM tuner section
FM stereo, FM superheterodyne tuner
Antenna:
FM lead antenna
Tuning range:
87.5 MHz – 108.0 MHz (50 kHz step)
BLUETOOTH section
Communication system:
BLUETOOTH Standard version 4.2
Output:
BLUETOOTH Standard Power Class 1
Maximum communication range:
Line of sight approx. 30 m
*1
Frequency band:
2.4 GHz band (2.4000 GHz –
2.4835 GHz)
Modulation method:
FHSS (Freq Hopping Spread Spectrum)
SA-WGT4D
CDM90-DVBU204//M
CMS-S76RFS7G1 OR CMS-S76RFS7GP
Compatible BLUETOOTH profiles
*2
:
A2DP (Advanced Audio Distribution
Profile)
AVRCP (Audio Video Remote
Control Profile)
SPP (Serial Port Profile)
Supported codecs:
SBC (Subband Codec)
AAC (Advanced Audio Coding)
LDAC
*1
The actual range will vary depending on
factors such as obstacles between devices,
magnetic fields around a microwave oven,
static electricity, reception sensitivity,
antenna's performance, operating system,
software application, etc.
*2
BLUETOOTH standard profiles
indicate the purpose of BLUETOOTH
communication between devices.
Network section
Ethernet LAN
100BASE-TX
Wireless LAN
Compatible standards:
IEEE 802.11 a/b/g/n
Security:
WPA/WPA2-PSK, WEP
Radio frequency:
2.4 GHz, 5 GHz
Supported audio formats
Supported bit rate and sampling frequencies:
MP3:
16/22.05/24/32/44.1/48 kHz,
16 kbps – 320 kbps (CBR/VBR)
AAC:
16/22.05/24/32/44.1/48/88.2/96 kHz,
16 kbps – 320 kbps (CBR/VBR)
WMA:
32/44.1/48 kHz, 16 kbps – 320 kbps
(CBR/VBR)
HOME AUDIO SYSTEM
AEP Model
UK Model
E Model
Australian Model
WAV:
16/22.05/24/32/44.1/48/88.2/96/
176.4/192 kHz (16/24 bit)
AIFF:
32/44.1/48/88.2/96/176.4/192 kHz
(16/24 bit)
FLAC:
16/22.05/24/32/44.1/48/88.2/96/
176.4/192 kHz (16/24 bit)
ALAC:
16/22.05/24/32/44.1/48/88.2/96/
176.4/192 kHz (16/24 bit)
DSD (DSF/DSDIFF):
2.8 MHz (1 bit)
Supported video formats
Xvid:
Video codec: Xvid video
Bit rate: 4.854 Mbps (MAX)
Resolution/Frame rate:
720 × 480, 30 fps
720 × 576, 25 fps (except for Latin
American model)
Audio codec: MP3
MPEG4:
File format: MP4 File Format
Video codec: MPEG4 Simple
Profile (AVC is not compatible.)
Bit rate: 4 Mbps
Resolution/Frame rate:
720 × 480, 30 fps
720 × 576, 25 fps (except for Latin
American model)
Audio codec: AAC-LC (HE-AAC is
not compatible.)
DRM: Not compatible
– Continued on next page –

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  • Page 1 Compact disc and digital audio and FHSS (Freq Hopping Spread Spectrum) 32/44.1/48 kHz, 16 kbps – 320 kbps video system – Continued on next page – (CBR/VBR) HOME AUDIO SYSTEM 9-890-683-01 Sony Corporation 2016H80-1 © 2016.08 Published by Sony EMCS (Malaysia) PG Tec...
  • Page 2 2. A battery-operated AC milliammeter. The Data Precision 245 • “BRAVIA” is a trademark of Sony Corporation. digital multimeter is suitable for this job. • LDAC™ and LDAC logo are trademarks of Sony Corporation. • The BLUETOOTH ® word mark and logos are registered 3.

  • Page 3: Table Of Contents

    MHC-V77DW TABLE OF CONTENTS SERVICING NOTES ..........6-21. Schematic Diagram - SENSOR Board (1/3) - ....6-22. Schematic Diagram - SENSOR Board (2/3) - ....6-23. Schematic Diagram - SENSOR Board (3/3) - ....DISASSEMBLY 6-24. Printed Wiring Board - 2CH DAMP Board - ....

  • Page 4: Servicing Notes

    (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size) : LEAD FREE MARK MODEL NO. / MODELO : MHC-V77DW ~ 120-240 V 50/60 Hz 220 W Manufactured under license from Dolby HOME AUDIO SYSTEM Laboratories.
  • Page 5 When disassembling the set, use the following jig (for front panel removal). Part No.: J-2501-238-A JIG FOR SPEAKER REMOVAL MODEL NO. / MODELO : MHC-V77DW ~ 120-240 V 50/60 Hz 220 W Manufactured under license from Dolby HOME AUDIO SYSTEM Laboratories.
  • Page 6 MHC-V77DW BOND FIXATION OF ELECTRIC PARTS 2. Touch and hold WPS key on the unit until the NETWORK When 2CH DAMP board is replaced, it is necessary to fi x parts to indicator fl ashes in white. the boards by using a specifi ed bond without fail.
  • Page 7 After you have checked and found no problems, reconnect the AC power cord (mains lead), and turn on the system. If the issue persists, contact your nearest Sony dealer. The portion which applies bond:...
  • Page 8 MHC-V77DW HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF Note 1: After the side case and top panel block are removed, this work is done. Note 2: Please prepare the thin wire (clip etc. processed to the length of 8 cm or more).
  • Page 9 MHC-V77DW CAPACITOR ELECTRICAL DISCHARGE PROCESSING When checking the board, for the electric shock prevention, con- nect the resistors to respective parts to discharge. Discharge at capacitor (Ref. No C27) Discharge method 1 Connect the resistors to both ends of capacitor (Ref. No. C27) on the switching regulator (SSN-161AD) to discharge.

  • Page 10: Disassembly

    MHC-V77DW SECTION 2 DISASSEMBLY Note: Disassemble the unit in the order as shown below. 2-1. DISASSEMBLY FLOW 2-2. REAR COVER ASSY (Page 11) 2-3. SIDE-L PANEL (Page 11) 2-4. PANEL LOADING SECTION (Page 12) 2-5. TOP PANEL SECTION (Page 13) 2-6.

  • Page 11: Rear Cover Assy

    MHC-V77DW Note: Follow the disassembly procedure in the numerical order given. 2-2. REAR COVER ASSY Note 1: When the cover rear assy is disassembled from the set, refer “NOTE OF REPLACING THE CUSHION REAR ON THE COVER REAR ASSY” on page 5.

  • Page 12: Panel Loading Section

    MHC-V77DW 2-4. PANEL LOADING SECTION 3 three claws 4 panel loading section hole – Left view – DVD mechanism deck Insert the clip etc. processed to the length of 8 cm or more in the hole 2 Draw out the tray.

  • Page 13: Top Panel Section

    MHC-V77DW 2-5. TOP PANEL SECTION 0 panel, top section 9 CN1009 (8P) 3 filament tape wire (flat type) (29 core) (CN3902) dual-band dipole antenna connector wire (flat type) (7 core) (CN6203) cushion, seal 2 Remove the panel, top section clamp, sleeve ferrite in the direction of the arrow.

  • Page 14: Side-R Panel

    MHC-V77DW 2-6. SIDE-R PANEL wire (flat type) (29 core) (CN6850) 3 one screw (+BVTP 3 panel, side-R section 1 two screws (+BVTP 3 6 Remove the panel, side-R in the direction of the arrow. CN6801 (4P) 2 two screws (flathead (TP))

  • Page 15: Cdm Section

    MHC-V77DW 2-7. CDM SECTION 3 filament tape 7 Remove the CDM section in the direction of the arrow. 8 CDM block Note 1: When installing the flexible flat cable, ensure that the colored line 1 two screws is not slanted after insertion.

  • Page 16: Service, Optical Device (7G), Flexible Flat Cable

    MHC-V77DW 2-9. SERVICE, OPTICAL DEVICE (7G), FLEXIBLE FLAT CABLE 2 chuck holder assy (T) 1 six claws qa insulator qh flexible flat cable (5P) 8 four insulator screws qf filament tape qs service, optical device (7G) qa insulator qa insulator...

  • Page 17: Back Panel Section

    MHC-V77DW 2-10. BACK PANEL SECTION rear side clamp 2CH DAMP board wire (flat type) (9 core) (CN6402) 6 two screws (+BVTP 3 5 one screw (+B 3 1 two screws (rivet (DIA. 3), nylon) 8 Wire is removed from the clamp.

  • Page 18: 2Ch Damp Board

    MHC-V77DW 2-11. 2CH DAMP BOARD 7 one screw (+BVTP 3 7 three screws 8 clamp (+BVTP 3 9 plate, shield D-AMP 0 two screws (+PTPWH 2.6 L (DIA8.0) qa heat sink, AMP qs sheet, thermal qd 2CH DAMP board qf two screws...

  • Page 19: Benten-Motherboard Board, 89G Board

    MHC-V77DW 2-12. BENTEN-MOTHERBOARD BOARD, 89G BOARD Note 1: When the BENTEN-MOTHERBOARD board is replaced, refer to “IMPORTANT NOTE OF REPLACING THE BENTEN-MOTHERBOARD BOARD” on page 5 and “IM- PORTANT NOTE OF DHSR-SY30 AT BENTEN-MOTH- ERBOARD BOARD” on page 6. BENTEN-MOTHERBOARD board...

  • Page 20: Regulator, Switching (Ssn-161Ad)

    MHC-V77DW 2-13. REGULATOR, SWITCHING (SSN-161AD) 2 two screws 4 clamp (+BVTP 3 REGULATOR, SWITCHING (SSN-161AD) 5 sub, chassis 3 one screw (+BVTP 3 2 three screws (+BVTP 3 6 eight screws (+PWH 3 8 (SUMITITE)) qa Remove the wire from the hole.

  • Page 21: Front Panel Section

    MHC-V77DW 2-14. FRONT PANEL SECTION 1 one screw (4 x 13) (TR-184A) 4 All bosses are removed while moving jig in the direction of the arrow, and panel, front section is removed. 3 Insert the jig into a space and slowly remove the panel, front section.

  • Page 22: Loudspeaker (260Mm)-180-11 (Woofer) (Sp5)

    MHC-V77DW 2-15. LOUDSPEAKER (260MM)-180-11 (WOOFER) (SP5) Push the protrusion, and 3 terminal remove the terminal (wide side) (wide side) [grey] 3 terminal (narrow) [grey/black] loudspeaker (260mm)-180-11 (SP5) terminal position protrusion Push the protrusion, and remove the terminal (narrow side) 4 loudspeaker...

  • Page 23: Test Mode

    3. “COLD RST” appears on the screen display panel. After that, 1. Connect the set by soft AP and select the following: the screen display panel will display “WELCOME”. The set Wi-Fi networks will automatically return to SONY DEMO condition. SSID： MHC-V77DW_XXXXXX [DISC THEFT PREVENTION] MHC-V77DW_3e2511 XXXXXX : Lower 6 digits of MAC Address This mode let you lock the disc tray.
  • Page 24 MHC-V77DW 3. Insert password (svctm) and click [Send(P)]. The following 6. If you enter non-specifi ed number of digits and click the image will appear. button, then an ERR message is displayed. (Displayed values in the following fi gure are example) (Displayed values in the following fi...

  • Page 25: Electrical Check

    MHC-V77DW SECTION 4 ELECTRICAL CHECK TUNER SECTION 0 dB = 1 V CD/DVD SECTION FM AUTO STOP CHECK [TEST DISC LIST] Use the following test disc on test mode. signal • CD: YEDS-18 (PART No. 3-702-101-01) generator PATD-012 (PART No. 4-225-203-01) HLX-A1 (PART No.
  • Page 26 MHC-V77DW Checking Location: -MOTHERBOARD Board (COMPONENT SIDE)- pin 1 (GND) pin 17 (RF) CN302...
  • Page 27 MHC-V77DW SECTION 5 TROUBLESHOOTING Switching Regulator (SSN-161AD) Diagnosis Flow Connect the AC power cord. The output voltage from the switching regulator is the following standard value. Replace the switching regulator. Standby Demo mode Power on CN4: Between pin 3, 4 (LED) 13.5 V ±...
  • Page 28 MHC-V77DW...
  • Page 29 MHC-V77DW D1007...

  • Page 30: Diagrams

    MHC-V77DW SECTION 6 DIAGRAMS • Circuit Boards Location LCD board SENSOR board SPK PARTY LED board POWER BUTTON board FM-TUNER board IR board DUMMY board 89G board RC-S730 (WW) 2CH DAMP board USB board MS-476 board BENTEN-MOTHERBOARD board MIC board...

  • Page 31: Block Diagram - Rs Servo, Usb Section

    MHC-V77DW 6-1. BLOCK DIAGRAM - RS SERVO, USB Section - FOCUS/TRACKING ERROR AMP CD SYSTEM PROCESSOR DIGITAL SERVO PROCESSOR SERVICE, OPTICAL DEVICE (7G) IC8003 J8001 119 RFIP CVBS VIDEO OUT VOA/A 125 RFC 124 RFB VOB/B VOD/C 123 RFA VOD/D...

  • Page 32: Block Diagram - Memory Section

    MHC-V77DW 6-2. BLOCK DIAGRAM - MEMORY Section - POWER MANAGEMENT SYSTEM CONTROL NAND FLASH IC6002 IC6001 (2/5) IC6202 MSDC0_DAT0-MSDC0_DAT7 I/O1-I/O8 SYSRSTB AA28 WATCHDOG 7 RY/BY AA27 SRCLKENA NRNB F26 SRCLKEN 8 RE NREB G27 CHG_DM CHD_DM_P0 NCEB0 G28 9 CE...

  • Page 33: Block Diagram - Main Section

    MHC-V77DW 6-3. BLOCK DIAGRAM - MAIN Section - AUDIO/PARTY AUDIO/PARTY CHAIN OUT CHAIN OUT J8002 (2/2) MIC AMP CONVERTER IC3500 IC6405 MUTE PROTECT J3500 Q6407 VINL BCK 8 MIC1 VINR DOUT 9 MUTE LRCK 7 Q6405 J3501 MIC2 LINK Q6403...

  • Page 34: Block Diagram - Amp Section

    MHC-V77DW 6-4. BLOCK DIAGRAM - AMP Section - SPB1 AUDIO CODEC DIGITAL POWER AMP SPK BOX ASSY CN1003 IC1005 IC1004 BOOSTER >001B OUTF1 2 IN-2 LO2 25 Q1006 (MID (L-CH)) INF1 MAIN 9 IN-1 OUTF2 R-CH SECTION BOOSTER INF2 HO2 28...

  • Page 35: Panel, Power Supply Section

    MHC-V77DW 6-5. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section - POWER CONTROL EXT_SDIO0 LED DRIVER LIQUID CRYSTAL D3200 Q6894 AUX_IN6 AE14 DISPLAY DRIVER Q3200 LIQUID CRYSTAL IC3204 AUX_IN7 AD15 POWER CONTROL POWER CONTROL DISPLAY TH6890 Q6891 Q6892 BUS BUFFER ND3200...

  • Page 36: Board (Component Side)

    MHC-V77DW • Note for Printed Wiring Boards and Schematic Diagrams • Waveforms – BENTEN-MOTHERBOARD Board – – 89G Board – Note on Printed Wiring Board: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in μF unless otherwise noted. (p: pF)

  • Page 37: Benten-Motherboard Board (2/11)

    MHC-V77DW 6-6. PRINTED WIRING BOARD - BENTEN-MOTHERBOARD Board (Component Side) - • See page 30 for Circuit Boards Location. • : Uses unleaded solder. BENTEN-MOTHERBOARD BOARD (COMPONENT SIDE) CN6205 ANTENNA BOARD J6601 SERVICE LAN (100) ONLY V Q6402, Q6404, Q6406, Q6850...

  • Page 38: Printed Wiring Board - Benten-Motherboard Board (Conductor Side)

    MHC-V77DW 6-7. PRINTED WIRING BOARD - BENTEN-MOTHERBOARD Board (Conductor Side) - • See page 30 for Circuit Boards Location. • : Uses unleaded solder. BENTEN-MOTHERBOARD BOARD (CONDUCTOR SIDE) SERVICE ONLY V Q6401, Q6403, CN6201 Q6407, Q6901 B2 E2 CL6201 R6967...

  • Page 39: Benten-Motherboard Board (4/11)

    MHC-V77DW 6-8. SCHEMATIC DIAGRAM - BENTEN-MOTHERBOARD Board (1/11) - • See page 76 for IC Pin Function Descriptions. >001S >005S >003S BENTEN-MOTHERBOARD BOARD (1/11) >004S >002S >006S BENTEN-MOTHERBOARD BENTEN-MOTHERBOARD BOARD BENTEN-MOTHERBOARD BOARD >007S IC6001 BENTEN-MOTHERBOARD BOARD BENTEN-MOTHERBOARD BOARD MT8591AOAT (1/6)

  • Page 40: Benten-Motherboard Board (5/11)

    MHC-V77DW 6-9. SCHEMATIC DIAGRAM - BENTEN-MOTHERBOARD Board (2/11) - • See page 76 for IC Pin Function Descriptions. >022S BENTEN-MOTHERBOARD BOARD (2/11) BENTEN-MOTHERBOARD IC6001 BOARD MT8591AOAT (2/6) O_VBUS_PWR IC6001 (9/11), (10/11) SYSTEM CONTROL (Page 47), (Page 48) CL6217 AH19 AF24...

  • Page 41: Benten-Motherboard Board (6/11)

    MHC-V77DW 6-10. SCHEMATIC DIAGRAM - BENTEN-MOTHERBOARD Board (3/11) - • See page 70 for IC Block Diagrams. BENTEN-MOTHERBOARD BOARD (3/11) R6204 JL6203 6 XJTAG_RESET JL6204 R6205 5 XDIAG(GND:Diag) R6206 JL6205 4 TXD(OUT) R6207 JL6206 SERVICE 3 RXD(IN) ONLY V JL6202...

  • Page 42: Benten-Motherboard Board (7/11)

    MHC-V77DW 6-11. SCHEMATIC DIAGRAM - BENTEN-MOTHERBOARD Board (4/11) - • See page 76 for IC Pin Function Descriptions. BENTEN-MOTHERBOARD BOARD RDQ0 (4/11) RDQ0 RDQ1 RDQ1 RDQ0 RDQ16 A0_N3 DQL0 A0_N3 DQL0 RDQ2 RCKE RDQ2 RDQ1 RDQ17 RA10 RDQ3 A1_P7 DQL1...

  • Page 43: Schematic Diagram - Benten-Motherboard Board

    MHC-V77DW 6-12. SCHEMATIC DIAGRAM - BENTEN-MOTHERBOARD Board (5/11) - • See page 36 for Waveforms. • See page 70 for IC Block Diagrams. BENTEN-MOTHERBOARD BOARD (5/11) R6497 R6501 2.5 2.5 0.5 1.7 BENTEN-DATAIN2 BENTEN-BCK2 >038S BENTEN-LRCK2 IC6405 PCM1808PWR BENTEN-MCK2 BENTEN-...
  • Page 44 MHC-V77DW 6-13. SCHEMATIC DIAGRAM - BENTEN-MOTHERBOARD Board (6/11) - • See page 36 for Waveforms. • See page 70 for IC Block Diagrams. >039S BENTEN-MOTHERBOARD BOARD (6/11) PCM5101_LRCK BENTEN-MOTHERBOARD PCM5101_MID/TW_DATA BOARD PCM5101_BCK PCM5101_MCLK (7/11) (Page 45) I_PWR_PROTECT >019S R6555 R6532...

  • Page 45: Benten-Motherboard Board (11/11)

    MHC-V77DW 6-14. SCHEMATIC DIAGRAM - BENTEN-MOTHERBOARD Board (7/11) - • See page 36 for Waveforms. • See page 70 for IC Block Diagrams. • See page 76 for IC Pin Function Descriptions. BENTEN-MOTHERBOARD BOARD (7/11) >002S R6668 BENTEN-MOTHERBOARD BOARD VEMC_3V3_PMU...
  • Page 46 MHC-V77DW 6-15. SCHEMATIC DIAGRAM - BENTEN-MOTHERBOARD Board (8/11) - • See page 76 for IC Pin Function Descriptions. BENTEN-MOTHERBOARD BOARD (8/11) R6714 R6702 >008S BENTEN-MOTHERBOARD BOARD VEMC_3V3_PMU 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23...
  • Page 47 MHC-V77DW 6-16. SCHEMATIC DIAGRAM - BENTEN-MOTHERBOARD Board (9/11) - • See page 70 for IC Block Diagrams. BENTEN-MOTHERBOARD BOARD (9/11) >014S BENTEN-MOTHERBOARD USB_DM_P1 BOARD USB_DP_P1 USB_VBUS_P1 (2/11) (Page 40) R6808 NC_1 NC_14 >046S CN6802 IC6802 TC7USB40FT 89G BOARD IC6802 C6809 (1/3) 0.1u...
  • Page 48 MHC-V77DW 6-17. SCHEMATIC DIAGRAM - BENTEN-MOTHERBOARD Board (10/11) - • See page 36 for Waveforms. >040S BENTEN-MOTHERBOARD BOARD (10/11) BENTEN- M+13V MOTHERBOARD M+5.2V BOARD CN6901 (MGND) C6949 R6946 MGND 470u C6907 C6908 Q6905 (6/11) JL6904 13.5V 100p 0.1u R6980 KTA1542T-RTK/P...
  • Page 49 MHC-V77DW 6-18. SCHEMATIC DIAGRAM - BENTEN-MOTHERBOARD Board (11/11) - BENTEN-MOTHERBOARD BOARD (11/11) CN6851 >052S JL6873 SIRCS IR BOARD JL6874 IR+3.3V JL6875 CN3300 DGND (Page 67) CN6850 R6850 JL6850 SW+13V R6868 SW+13V/M+5.2V JL6852 >013S M+5.2V R6856 M+5.2V BENTEN-MOTHERBOARD BOARD JL6853 LEDGND...

  • Page 50: Printed Wiring Board - Sensor Board (Component Side)

    MHC-V77DW 6-19. PRINTED WIRING BOARD - SENSOR Board (Component Side) - • See page 30 for Circuit Boards Location. • : Uses unleaded solder. SENSOR BOARD (COMPONENT SIDE) D1017 CL007 D1018 CL004 CL003 CL008 CL1150 CL1148 CL1149 D1003 CL006 D1007...
  • Page 51 MHC-V77DW 6-20. PRINTED WIRING BOARD - SENSOR Board (Conductor Side) - • See page 30 for Circuit Boards Location. • : Uses unleaded solder. SPK PARTY LED BOARD CN3700 SENSOR BOARD (Page 68) (CONDUCTOR SIDE) >010P BENTEN-MOTHERBOARD BOARD CN6203 CL1093...

  • Page 52: Schematic Diagram - Sensor Board

    MHC-V77DW 6-21. SCHEMATIC DIAGRAM - SENSOR Board (1/3) - • See page 70 for IC Block Diagrams. SENSOR BOARD (1/3) R1019 R1023 R1027 R1031 R1035 CN1001 >061S R1039 CN1004 1000p C1070 CL1056 R1043 SPK PARTY LED+5V CL1093 R1047 C1094 0.01u...
  • Page 53 MHC-V77DW 6-22. SCHEMATIC DIAGRAM - SENSOR Board (2/3) - • See page 70 for IC Block Diagrams. SENSOR BOARD (2/3) FUNCTION FIESTA JL013 JL165 SOUND FIELD MEGABASS JL077 JL081 JL179 NETWORK STEREO PAIR SET UP JL177 PARTY CHAIN PARTY LIGHT...
  • Page 54 MHC-V77DW 6-23. SCHEMATIC DIAGRAM - SENSOR Board (3/3) - • See page 70 for IC Block Diagrams. SENSOR BOARD (3/3) D004 BAV99-215 D003 BAV99-215 D002 BAV99-215 D001 BAV99-215 R3615 R3617 R3612 R3608 R3618 R3613 R3620 R3604 R3616 R3611 C3604 100p...

  • Page 55: Printed Wiring Board - 2Ch Damp Board

    MHC-V77DW 6-24. PRINTED WIRING BOARD - 2CH DAMP Board - • See page 30 for Circuit Boards Location. • : Uses unleaded solder. 2CH DAMP BOARD 2CH DAMP BOARD DC FAN (CONDUCTOR SIDE) (COMPONENT SIDE) AEP, UK, RU, MY, AUS...

  • Page 56: Printed Wiring Board - 89G Board

    MHC-V77DW 6-25. PRINTED WIRING BOARD - 89G Board - • See page 30 for Circuit Boards Location. • : Uses unleaded solder. 89G BOARD 89G BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) J8002 AUDIO/PARTY CHAIN AUDIO/PARTY CHAIN IN (TV) AUDIO/PARTY CHAIN AUDIO/PARTY CHAIN...
  • Page 57 MHC-V77DW 6-26. SCHEMATIC DIAGRAM - 89G Board (1/3) - • See page 36 for Waveforms. • See page 70 for IC Block Diagrams. • See page 76 for IC Pin Function Descriptions. >068S >067S 89G BOARD (1/3) 89G BOARD 89G BOARD...
  • Page 58 MHC-V77DW 6-27. SCHEMATIC DIAGRAM - 89G Board (2/3) - • See page 70 for IC Block Diagrams. 89G BOARD (2/3) J8001 VIDEO OUT AUDIO/PARTY CHAIN OUT AUDIO/PARTY CHAIN IN (TV) AUDIO/PARTY CHAIN OUT AUDIO/PARTY CHAIN IN (TV) J8002 C8077 JL8045 0.1u...
  • Page 59 MHC-V77DW 6-28. SCHEMATIC DIAGRAM - 89G Board (3/3) - • See page 70 for IC Block Diagrams. 89G BOARD (3/3) CL8411 R8414 R8415 R8428 R8429 CL8412 CL8413 Q8400 Q8401 C8414 2SA2119K 2SA2119K C8416 R8412 R8417 R8411 AUTO POWER AUTO POWER R8418 6.3V...

  • Page 60: Printed Wiring Board - Lcd Board

    MHC-V77DW 6-29. PRINTED WIRING BOARD - LCD Board - • See page 30 for Circuit Boards Location. • : Uses unleaded solder. LCD BOARD SENSOR BOARD CN1000 (Page 51) >011P R3225 IC3207 CL3281 R3222 CL3284 JR3216 CL3279 IC3209 R3223 JR3202...

  • Page 61: Schematic Diagram - Lcd Board

    MHC-V77DW 6-30. SCHEMATIC DIAGRAM - LCD Board - • See page 70 for IC Block Diagrams. LCD BOARD ND3200 LIQUID CRYSTAL DISPLAY 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 2.6 SEG_12 SEG24 SEG24 SEG12 SEG25...

  • Page 62: Printed Wiring Board - Mic Board

    MHC-V77DW 6-31. PRINTED WIRING BOARD - MIC Board - • See page 30 for Circuit Boards Location. • : Uses unleaded solder. MIC BOARD J3500 J3501 MIC1 MIC2 D3501 D3500 C3524 R3514 R3504 R3503 CL3515 R3526 CL3516 CL3512 R3525 CL3525...

  • Page 63: Schematic Diagram - Mic Board

    MHC-V77DW 6-32. SCHEMATIC DIAGRAM - MIC Board - MIC BOARD >032S CN3500 FB3502 R3522 R3521 R3523 R3520 BENTEN-MOTHERBOARD CL3521 A+9V CL3522 BOARD MIC_GND CL3523 MIC_SIGNAL (5/11) CN6401 CL3524 MIC_DET D3503 D3504 C3522 R3524 (Page 43) DA2J10100L DA2J10100L 0.0018u 100k C3502 2.2u...

  • Page 64: Printed Wiring Board - Dummy Board

    MHC-V77DW 6-33. PRINTED WIRING BOARD - DUMMY Board - 6-34. SCHEMATIC DIAGRAM - DUMMY Board - • • See page 30 for Circuit Boards Location. : Uses unleaded solder. DUMMY BOARD (COMPONENT SIDE) SENSOR BOARD CN1010 (Page 51) DUMMY BOARD >013P...

  • Page 65: Printed Wiring Board - Fm-Tuner Board

    MHC-V77DW 6-35. PRINTED WIRING BOARD - FM-TUNER Board - • See page 30 for Circuit Boards Location. • : Uses unleaded solder. FM-TUNER BOARD FM-TUNER BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) ANTENNA CN8902 JL8903 JL8902 JL8904 R8905 L8903 L8902 C8914 R8904...

  • Page 66: Schematic Diagram - Fm-Tuner Board

    MHC-V77DW 6-36. SCHEMATIC DIAGRAM - FM-TUNER Board - • See page 70 for IC Block Diagrams. FM-TUNER BOARD L8901 C8912 FB001 22nH C8907 5.5 3.3 C8908 C8910 C8911 0.0022u IC8901 MM3411A33URE X8901 IC8901 12MHz +3.3V REG. C8901 C8904 0.1 0.2 3.3...

  • Page 67: Printed Wiring Board - Usb Board

    MHC-V77DW 6-39. PRINTED WIRING BOARD - USB Board - 6-41. PRINTED WIRING BOARD - IR Board - • • • See page 30 for Circuit Boards Location. : Uses unleaded solder. • See page 30 for Circuit Boards Location. : Uses unleaded solder.

  • Page 68: Printed Wiring Board - Spk Party Led Board

    MHC-V77DW 6-43. PRINTED WIRING BOARD - SPK PARTY LED Board - 6-45. PRINTED WIRING BOARD - PARTY LED Board - • • • See page 30 for Circuit Boards Location. : Uses unleaded solder. • See page 30 for Circuit Boards Location.

  • Page 69: Printed Wiring Board - Spk Led Board

    MHC-V77DW 6-47. PRINTED WIRING BOARD - SPK LED Board - 6-48. SCHEMATIC DIAGRAM - SPK LED Board - • • See page 30 for Circuit Boards Location. : Uses unleaded solder. SPK LED BOARD SPK LED BOARD SPK LED BOARD...
  • Page 70 MHC-V77DW • IC Block Diagrams IC8001 MX25L3235EM2I-10G (89G BOARD (1/3)) IC8400 AM5890S (89G BOARD (3/3)) Address Generator Vcc2 Voltage Memory Array Detection MUTE Page Buffer SO/SIO1 HOLD/ SIO3 Actuator Spindle Driver (4X) Driver (6X) Data Register Y-Decoder Thermal Shut down...
  • Page 71 MHC-V77DW IC6401 PCM1754DBQR (BENTEN-MOTHERBOARD BOARD (5/11)) SYSTEM SYSTEM CLOCK 16 SCK CLOCK MANAGER AUDIO SERIAL DATA SERIAL CONTROL MUTE PORT PORT LRCK 13 DEMP DGND POWER 4x/8x OVERSAMPLING DIGITAL SUPPLY FILTER & FUNCTION CONTROL 12 TEST ENHANCED MULTILEVEL ZERO 11 ZEROA...
  • Page 72 MHC-V77DW IC6409 PCM5101 (BENTEN-MOTHERBOARD BOARD (6/11)) Current Segment LRCK Current Segment Zero Data Detector VNEG Clock Halt Detection CPGND CAPP PLL Clock CPVDD Power UVP/Reset Supply Ch. Pump IC6602 RTL8201FR-VB-CGT (ASE) (BENTEN-MOTHERBOARD BOARD (7/11)) DVDD33 LED0/PHYAD[0]/PMEB/INTB LED1/PHYAD[1] RXD[1] RXD[0]/CLK_CTL 100M...
  • Page 73 MHC-V77DW IC6802 TC7USB40FT (BENTEN-MOTHERBOARD BOARD (9/11)) NC_8 NC_7 NC_1 NC_14 IC6803 NCP380HSNAJAAT1G (BENTEN-MOTHERBOARD BOARD (9/11)) BLOCKING CONTROL VIN 1 VOUT CURRENT ILIM LIMITER GND 2 GATE DRIVER CONTROL LOGIC EN 3 FLAG FAULT BLOCK AND TIMER VREF UNDER THERMAL VOLTAGE...
  • Page 74 MHC-V77DW IC3204 BU9795AKS2 (LCD BOARD) SEG23 COM2 1 SEG22 COM3 2 NC_37 LCD voltage generator NC_3 3 Segment Common driver driver SEG21 VLCD 4 – SEG20 VDD 5 LCD BIAS SELECTOR Common Blink timing SEG19 VSS 6 DDRAM counter generator –...
  • Page 75 MHC-V77DW IC1000, IC1002, IC1003, IC1004 TLC59116IPWR (SENSOR BOARD (1/3)) OUT15 23 OUT1 OUT0 GND 24 I/O Regulator Input Filter C Bus Control Output Driver and Error Detection Power-On Reset Control RESET 25 LED State Select Register PWM Register X SCL 26...
  • Page 76 MHC-V77DW • IC Pin Function Descriptions 89G BOARD (1/3) IC8003 CXD9992R (FOCUS/TRACKING ERROR AMP CD SYSTEM PROCESSOR DIGITAL SERVO PROCESSOR) Pin No. Pin Name Description AVDD12_2 Power supply terminal (+1.2V) (for analog system) AVDD33_1 Power supply terminal (+3.3V) (for analog system)
  • Page 77 MHC-V77DW Pin No. Pin Name Description DVDD12_52 Power supply terminal (+1.2V) (for digital system) RD13 Two-way data bus with the SD-RAM RD12 Two-way data bus with the SD-RAM RD11 Two-way data bus with the SD-RAM RD10 Two-way data bus with the SD-RAM...
  • Page 78 MHC-V77DW Pin No. Pin Name Description AADVDD Power supply terminal (+3.3V) (for A/D converter) APLLVDD_GPIO/ FE_LIMIT GPIO34 PAPLLCAP/GPIO35 MotorDriver/MUTE/STBY (AUDIO_ARF) NC LFE/GPIO (AUDIO_ARS) NC ARS/GPIO (RXD) AR/GPIO0 RXD/RS232_Connector AVCM Audio D/A converter reference voltage terminal (TXD) AL/GPIO TXD/RS232_Connector (AUDIO_ALS) NC...
  • Page 79 MHC-V77DW BENTEN-MOTHERBOARD BOARD (1/11), (2/11), (4/11), (7/11), (8/11) IC6001 MT8591AOAT (SYSTEM CONTROL) Pin No. Pin Name Description GNDK_A1 Ground pin GNDK_A2 Ground pin REXTDN DRAM REXTDN pin RDQ8 DRAM data pin 8 RDQ14 DRAM data pin 14 RDQ1 DRAM data pin 1...
  • Page 80 MHC-V77DW Pin No. Pin Name Description RDQ29 DRAM data pin 29 RDQ27 DRAM data pin 27 GNDK_B29 Ground pin MSDC1_CMD MSDC1 command pin MSDC1_DAT3 MSDC1 data 3 NO_USE Not used NO_USE Not used GNDK_C5 Ground pin NO_USE Not used NO_USE...
  • Page 81 MHC-V77DW Pin No. Pin Name Description NO_USE Not used GNDK_D26 Ground pin MSDC0_DAT2 MSDC0 data 2 / NAND fl ash data 2 MSDC0_DAT5 MSDC0 data 5 / NAND fl ash data 5 NO_USE Not used MSDC1_DAT1 MSDC1 data 1 MSDC1_DAT0...
  • Page 82 MHC-V77DW Pin No. Pin Name Description RDQS3_ DRAM DQS 3 # NO_USE Not used EXT_SCK SPI NOR fl ash clock NRNB NAND fl ash read/busy DVDD28_MSDC0 Digital power input 1.8/3.3V for MSDC0/NAND fl ash MSDC0_CLK MSDC0 clock output / NWEB MSDC0_DAT3 MSDC0 data 3 / NAND fl...
  • Page 83 MHC-V77DW Pin No. Pin Name Description NO_USE Not used NO_USE Not used NO_USE Not used NO_USE Not used NO_USE Not used NO_USE Not used NCEB1 NAND fl ash chip enable 1 NO_USE Not used NCLE NAND fl ash command latch enable...
  • Page 84 MHC-V77DW Pin No. Pin Name Description GNDK_K18 Ground pin GNDK_K19 Ground pin GNDK_K20 Ground pin NO_USE Not used NO_USE Not used NO_USE Not used NO_USE Not used DVDD18_IO_NOR Digital power input 1.8V for SPI NOR fl ash / SPI0 DVDD18_IO2 Digital power input 1.8V for IO...
  • Page 85 MHC-V77DW Pin No. Pin Name Description GNDK_M16 Ground pin GNDK_M17 Ground pin GNDK_M18 Ground pin GNDK_M19 Ground pin VCCK_M20 Digital power input for core NO_USE Not used NO_USE Not used NO_USE Not used NO_USE Not used HDMI_SCL_RX HDMI receiver I2C clock...
  • Page 86 MHC-V77DW Pin No. Pin Name Description GNDK_P14 Ground pin GNDK_P15 Ground pin GNDK_P16 Ground pin GNDK_P17 Ground pin GNDK_P18 Ground pin GNDK_P19 Ground pin VCCK_P20 Digital power input for core HDMI_0_RX_0 HDMI receiver channel0 HDMI_0_RX_0B HDMI receiver channel0 # HDMI_0_RX_C...
  • Page 87 MHC-V77DW Pin No. Pin Name Description GNDK_T10 Ground pin GNDK_T11 Ground pin GNDK_T12 Ground pin GNDK_T13 Ground pin GNDK_T14 Ground pin GNDK_T15 Ground pin GNDK_T16 Ground pin GNDK_T17 Ground pin GNDK_T18 Ground pin NO_USE Not used NO_USE Not used NO_USE...
  • Page 88 MHC-V77DW Pin No. Pin Name Description DVDD18_IO_I2S Digital power input 1.8V for I2S channel 0/1 AVDD18_GLOBAL_V9 Analog power input 1.8V GNDK_V10 Ground pin GNDK_V11 Ground pin GNDK_V12 Ground pin GNDK_V13 Ground pin GNDK_V14 Ground pin GNDK_V15 Ground pin GNDK_V16 Ground pin...
  • Page 89 MHC-V77DW Pin No. Pin Name Description LCM_RST LCM reset NO_USE Not used NO_USE Not used NO_USE Not used VCCK_Y10 Digital power input for core GNDK_Y11 Ground pin GNDK_Y12 Ground pin GNDK_Y13 Ground pin VCCK_Y14 Digital power input for core VCCK_Y15...
  • Page 90 MHC-V77DW Pin No. Pin Name Description DVDD18_IO_WBCT Digital power input 1.8V for WBCT/I2C0/LCD WB_RSTB WBG reset signal F2W_DATA FM 2 wire I2S data NO_USE Not used NO_USE Not used G2_RXC MAC receiver Clock AB10 VCCK_AB10 Digital power input for core...
  • Page 91 MHC-V77DW Pin No. Pin Name Description WB_CRTL3 WBG data bus 3 NO_USE Not used WB_SDATA WBG SPI control data WB_SCLK WBG SPI control clock WB_SEN WBG SPI control enable NO_USE Not used G2_RXD0 MAC receiver data 0 NO_USE Not used...
  • Page 92 MHC-V77DW Pin No. Pin Name Description AE29 MSDC0E_DAT1 MSDC0E data 1 WB_RXIN WiFi/BT RX I negative channel WB_RXIP WiFi/BT RX I positive channel NO_USE Not used NO_USE Not used AVSS18_WBG_AF5 Ground pin NO_USE Not used AVSS18_WBG_AF7 Ground pin DVDD28_RGMII Digital power input 1.8/3.3V for ethernet...
  • Page 93 MHC-V77DW Pin No. Pin Name Description AG25 EINT3 GPIO AG26 EINT5 GPIO AG27 NO_USE Not used AG28 MSDC0E_DAT3 MSDC0E data 3 AG29 DVDD18_IO_MSDC0E Digital power input 1.8V for MSDC0E AVSS18_WBG_AH1 Ground pin NO_USE Not used WB_TXIP WiFi/BT TX I positive channel WB_TXQP Wifi...
  • Page 94 MHC-V77DW Pin No. Pin Name Description AJ22 NO_USE Not used AJ23 SPI2_CSN SPI2 chip select AJ24 GNDK_AJ24 Ground pin AJ25 NO_USE Not used AJ26 EINT6 GPIO AJ27 EINT2 GPIO AJ28 GNDK_AJ28 Ground pin AJ29 GNDK_AJ29 Ground pin...
  • Page 95 MHC-V77DW BENTEN-MOTHERBOARD BOARD (1/11) IC6002 MT6323L (POWER MANAGEMENT) Pin No. Pin Name Description SYSRSTB Watchdog reset from AP SRCLKEN Enables 26MHz CLK 1. One of 32K crystal connection port while using crystal to generate 32kHz clock 2. Tie to ground with 32kHz crystal absence 1.
  • Page 96 MHC-V77DW Pin No. Pin Name Description VBAT_VPROC_E14 Battery power supply input of VPROC VPROC_E15 SW node of VPROC CLK26M 26MHz CLK GND_ABB_F3 GND of ABB GND_LDO_F5 Ground for LDO GND_LDO_F6 Ground for LDO GND_LDO_F9 Ground for LDO GND_VPROC_F11 Ground of VPROC...
  • Page 97 MHC-V77DW Pin No. Pin Name Description VGP2 VGP2 output voltage GND_LDO_L9 Ground for LDO GND_LDO_L11 Ground for LDO VIO18 VIO18 output voltage VCAMD VCAMD output voltage SPK_N Negative output for Internal Speaker Amp RESETB System reset release signal VA output voltage...
  • Page 98 MHC-V77DW BENTEN-MOTHERBOARD BOARD (4/11) IC6341, IC6342 NT5CB128M16IP-EK (SD-RAM) Pin No. Pin Name Description VDDQ_A1 DQ Power Supply: 1.5V +/-0.075V DQU5 Data Input/output: Bi-directional data bus. DQU7 Data Input/output: Bi-directional data bus. NO_USE Not used NO_USE Not used NO_USE Not used DQU4 Data Input/output: Bi-directional data bus.
  • Page 99 MHC-V77DW Pin No. Pin Name Description Input Data Mask: DM is an input mask signal for write data. Input data is masked when DM is sampled HIGH coincident with that input data during a Write access. DM is sampled on both edges of DQS.
  • Page 100 MHC-V77DW Pin No. Pin Name Description NO_USE Not used NO_USE Not used NO_USE Not used Clock: CK is differential clock input. All address and control input signals are sampled on the crossing of the negative edge of CK. Output (read) data is referenced to the crossing of CK.
  • Page 101 MHC-V77DW Pin No. Pin Name Description VDD_N9 Power Supply: 1.5V +/-0.075 VSS_P1 Ground Address inputs: Provided the row address for active commands and the column address for A5_P2 Read/Write commands to select one location out of the memory array in the respective bank.

  • Page 102: Exploded Views

    MHC-V77DW SECTION 7 EXPLODED VIEWS Note: • The mechanical parts with no reference • -XX and -X mean standardized parts, so The components identifi ed by mark 0 number in the exploded views are not sup- they may have some difference from the or dotted line with mark 0 are critical for plied.

  • Page 103: Panel Loading Section

    MHC-V77DW 7-2. PANEL LOADING SECTION top panel section (AEP, UK, RU, back panel section MY, AUS) Ref. No. Part No. Description Remark 1-500-082-11 CLAMP, SLEEVE FERRITE (AEP, UK, RU, MY, AUS) X-2593-461-1 PANEL, LOADING ASSY 4-198-670-01 SCREW, FLATHEAD (TP) not supplied...

  • Page 104: Back Panel Section

    MHC-V77DW 7-3. BACK PANEL SECTION CDM block section 2CH DAMP board section side-R panel section Note: If wire (fl at type) is replaced, install it after bending it in the same form as that before replacement. Ref. No. Part No.

  • Page 105: 2Ch Damp Board Section

    MHC-V77DW 7-4. 2CH DAMP BOARD SECTION (AEP, UK, RU, MY, AUS) BENTEN-MOTHERBOARD board, 89G board section Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-457-369-12 CORE, FERRITE (AEP, UK, RU, MY, AUS) 0 155 A-2166-746-A 2CH DAMP BOARD, COMPLETE...
  • Page 106 MHC-V77DW 7-5. BENTEN-MOTHERBOARD BOARD, 89G BOARD SECTION chassis section Note 1: When the BENTEN-MOTHERBOARD board is replaced, refer to “IMPORTANT NOTE OF REPLACING THE BENTEN-MOTHERBOARD BOARD” on page 5 and “IM- Note 2: If wire (fl at type) is replaced, install it after bending it in the PORTANT NOTE OF DHSR-SY30 AT BENTEN-MOTH- same form as that before replacement.

  • Page 107: Chassis Section

    MHC-V77DW 7-6. CHASSIS SECTION front panel section speaker cabinet section Note: When the REGULATOR, SWITCHING board is re- placed, spread the bond referring to “BOND FIXA- TION OF ELECTRIC PARTS” on page 7. Ref. No. Part No. Description Remark Ref. No.

  • Page 108: Front Panel Section

    MHC-V77DW 7-7. FRONT PANEL SECTION IR board (ns) MIC board (ns) ANTENNA board SPK LED board (ns) (ns) SPK LED board (ns) Note: If wire (fl at type) is replaced, install it after bending it in the same form as that before replacement.

  • Page 109: Speaker Cabinet Section

    MHC-V77DW 7-8. SPEAKER CABINET SECTION (AEP, UK, RU, MY, AUS) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-238-407-12 SCREW (1) (4X20), +BV TAPPING 1-859-181-11 LOUDSPEAKER (120MM)-181-11 (Mid) (L-CH) 4-874-614-02 SCREW (1) (3.5X14), TAPPING 1-859-181-11 LOUDSPEAKER (120MM)-181-11 (Mid) (R-CH)

  • Page 110: Top Panel Section

    MHC-V77DW 7-9. TOP PANEL SECTION LCD board (ns) ND3200 Note: If wire (fl at type) is replaced, install it after bending it in the same form as that before replacement. Ref. No. Part No. Description Remark Ref. No. Part No.

  • Page 111: Side-R Panel Section

    MHC-V77DW 7-10. SIDE-R PANEL SECTION DUMMY board (ns) USB board (ns) Note: If wire (fl at type) is replaced, install it after bending it in the same form as that before replacement. Ref. No. Part No. Description Remark Ref. No.

  • Page 112: Cdm Block Section

    MHC-V77DW 7-11. CDM BLOCK SECTION DVD mechanism section (CDM90-DVBU204//M) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-345-115-01 SCREW (S), FLOAT 4-533-382-01 INSULATOR 4-535-577-01 STEP SCREW M2.6 4-533-939-01 SPRING, INSULATOR (F) 7-685-646-71 SCREW +BVTP 3X8 TYPE2 IT-3...

  • Page 113: Dvd Mechanism Section

    MHC-V77DW 7-12. DVD MECHANISM SECTION (CDM90-DVBU204//M) (including MS-476 board) MS-476 board (ns) Note: If fl exible fl at cable is replaced, install it after bending it in the same form as that before replacement. Ref. No. Part No. Description Remark Ref.

  • Page 114: Electrical Parts List

    MHC-V77DW SECTION 8 2CH DAMP ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • SEMICONDUCTORS The components identifi ed by mark 0 the parts list may be different from the In each case, u: μ, for example: or dotted line with mark 0 are critical for parts specifi...
  • Page 115 MHC-V77DW ANTENNA BENTEN-MOTHERBOARD Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ANTENNA BOARD IC6405 6-710-554-01 IC PCM1808PWR ************** IC6406 8-759-596-39 IC SN74LV4052APWR IC6407 6-710-554-01 IC PCM1808PWR < JACK > IC6409 6-721-848-01 IC PCM5101 IC6410 6-719-198-01 IC MM3411A33URE...

  • Page 116: Board (10/11)

    MHC-V77DW BENTEN-MOTHERBOARD DUMMY FM-TUNER MS-476 PARTY LED Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < THERMISTOR > < JUMPER RESISTOR > TH6890 1-804-949-11 THERMISTOR, NTC (SMD) JR3202 1-216-864-91 SHORT CHIP JR3203 1-216-296-11 SHORT CHIP < VIBRATOR >...
  • Page 117 MHC-V77DW POWER BUTTON SENSOR SPK LED SPK PARTY LED Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-2121-754-A POWER BUTTON BOARD, COMPLETE SPK LED BOARD ****************************** ************* < CONNECTOR > < CONNECTOR > CN3400 1-843-886-11 PIN, CONNECTOR (PC BOARD) 5P...
  • Page 118 MHC-V77DW Ref. No. Part No. Description Remark A-1896-391-B LOADING COMPLETE ASSY (T) (including MS-476 board) A-2046-956-A SERVICE, OPTICAL DEVICE (7G) 1-469-829-11 CORE, FERRITE 1-849-855-11 FLEXIBLE FLAT CABLE (24P) 1-849-856-11 FLEXIBLE FLAT CABLE (5P) 1-859-181-11 LOUDSPEAKER (120MM)-181-11 (Mid) (L-CH) 1-859-191-11 LOUDSPEAKER (37MM) (Tweeter) (L-CH)
  • Page 119 MHC-V77DW MEMO...
  • Page 120 MHC-V77DW REVISION HISTORY Ver. Date Description of Revision 2016.08 How to search for a contact point of signal lines or the like in DIAGRAMS SECTION If a contact point of a BLOCK DIAGRAM, PRINTED WIRING BOARD or SCHEMATIC DIAGRAM is shown in a different page, use the PDF fi...

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