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JVC MX-DVA5 Service Manual
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JVC MX-DVA5 Service Manual

JVC MX-DVA5 Service Manual

Compact component system
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Download this manual See also: Instruction Manual, Supplemental Service Manual
SERVICE MANUAL
COMPACT COMPONENT SYSTEM
/
Contents
Safety Precautions
Important for laser products
Preventing static electricity
Importance administering
point on the safety
MX-DVA5
Tentative
SP-MXDVA5
CA-MXDVA5
STANDBY
STANDBY/ON
COMPACT
DIGITAL VIDEO
PHONES
CLOCK
DISPLAY
/ TIMER
CD / DVD Mechanism is exchanged by a unit (contain CPC cords).
1-2
1-3
1-4
1-5
COPYRIGHT
2001 VICTOR COMPANY OF JAPAN, LTD.
SP-MXDVA5
DISC CHANGE
CD-R/RW PLAYBACK
SOUND
MODE
SUBWOOFER
LEVEL
TUNING
SELECT
REPEAT
REC START
CD
TAPE A
TAPE B
/STOP
REC START
DUBBING
Disassembly method
Wiring connection
Adjustment method
Troubleshooting
Description of major ICs
MX-DVA5
Area suffix
J ---------------------- U.S.A.
C -------------------- Canada
1-6
1-18
1-19
1-23
1-26~39
Sep. 2001
No.21032

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Summary of Contents for JVC MX-DVA5

  • Page 1 MX-DVA5 SERVICE MANUAL COMPACT COMPONENT SYSTEM MX-DVA5 Area suffix J ---------------------- U.S.A. Tentative C -------------------- Canada SP-MXDVA5 SP-MXDVA5 CA-MXDVA5 DISC CHANGE STANDBY STANDBY/ON CD-R/RW PLAYBACK SOUND MODE SUBWOOFER LEVEL COMPACT DIGITAL VIDEO PHONES TUNING SELECT CLOCK DISPLAY / TIMER REPEAT...
  • Page 2 MX-DVA5 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be performed by qualified personnel only.
  • Page 3 MX-DVA5 Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated. Avoid direct exposure to beam.
  • Page 4 MX-DVA5 Preventing static electricity 1. Grounding to prevent damage by static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs.
  • Page 5 MX-DVA5 Importance administering point on the safety Primary part Secondary parts F101 F102 F103 F001 F104 Caution: For continued protection against risk of fire, replace only with same type 5A/125V for F001, 4A/125V for F101,F102,F103, and F104. This symbol specifies type of fast operating fuse.
  • Page 6 MX-DVA5 Disassembly method Metal cover <Main body> Removing the metal cover (See Fig.1 and 2) Remove the three screws A attaching the metal cover on the back of the body. Remove the six screws B attaching the metal cover on both sides of the body.
  • Page 7 MX-DVA5 FL dispaly & system control board UCW3 Front panel assembly Fig.4 Rear panel Fig.5 Adhesive card wire strap CD / DVD changer unit CD / DVD changer unit Rear panel Rear panel Fig.6a Fig.6b Front panel assembly Removing the front panel assembly (See Fig.7 to 9 )
  • Page 8 MX-DVA5 Front panel assembly Joint b Joint b Main board Bottom side Joint c Fig.8 Removing the heat sink, amp. board and Fig.9 DVD power board (See Fig.10 to 12) Prior to performing the following procedure, remove the metal cover and the CD / DVD changer unit.
  • Page 9 MX-DVA5 Removing the tuner board (See Fig.11 and 13) Rear panel Prior to performing the following procedure, remove the metal cover and CD / DVD changer unit. CON01 Disconnect the card wire from connector CON01 on the tuner board. Remove the two screws L attaching the tuner board.
  • Page 10 MX-DVA5 Removing the power ICs and DVD power Heat sink board (See Fig.16 to 18) Prior to performing the following procedure, remove the metal cover, CD / DVD changer unit, heat sink, DVD power board amp. board and DVD power board.
  • Page 11 MX-DVA5 <Front panel assembly> Power / DVD switch board UCW1 Prior to performing the following procedure, remove the metal cover, the CD / DVD changer unit and the Tab c front panel assembly. FL diplay & System Removing the power / DVD switch board...
  • Page 12 MX-DVA5 <CD / DVD changer unit> CD / DVD tray Loading pulley Prior to performing the following procedure, remove gear the CD / DVD changer unit. Removing the CD / DVD tray (See Fig.1 to 3) Disconnect the card wire from connector RCW1 of the CD /DVD servo board.
  • Page 13 MX-DVA5 Removing the sensor board, the LED board and the turn table motor assembly LED board (See Fig.6 to 9) Prior to performing the following procedure, remove the CD / DVD tray. Remove the screw A attaching the LED board and release the screws B attaching the bracket.
  • Page 14 MX-DVA5 CD / DVD servo board Removing the CD / DVD servo board (See Fig. 12) Solder points Prior to performing the following procedure, remove the CD / DVD tray, the two screws attaching the motor and detach the belt from the pulley.
  • Page 15 MX-DVA5 R/P Head <Cassette mechanism section> Removing the record/playback mechanism. Removing the R/P head. Remove the screw A on the right side of the R/P head.(Fig.1) Remove the screw B on the left side of the R/P head.(Fig.1) Stopper Pinch roller assembly Removing the pinch roller.
  • Page 16 MX-DVA5 Motor Removing the motor. Mecha. terminal board Remove the two screws C fixing the motor. Be careful to grease's splash when the drive belt comes off.(Fig.4, Fig.5) Unsolder the motor terminal.(Fig.4) Removing the mechanism board. Unsolder the four parts a on the solenoid...
  • Page 17 MX-DVA5 < Speaker section > Removing the side panel (See Fig. 1) Side panel Remove the five screws A and B attaching the side panel, then remove the side panel. Fig.1 Side speaker Removing the side speaker (See Fig. 2 and 3)
  • Page 18 MX-DVA5 Color codes are shown below. Wiring connection Brown Orange Yellow Green Blue Violet Gray White Black 3809-001185 AH39-00097A AH39-00097A AH39-00022A CW302 AH39-00202A CW301 1-18...
  • Page 19 MX-DVA5 Adjustment method 1. Tuner * Adjustment Location of Tuner PCB LW OSC AM(MW) RF AM(MW) RF AM(MW) OSC Adjustment Adjustment Adjustment Adjustment ITEAM Received FREQ. 594 KHz 146~290 KHz 150 KHz 530~1710 KHz Adjustment point Maximum Maximum 2~7.0 1~7.0...
  • Page 20 MX-DVA5 FM THD Adjustment Output Antenna SSG FREQ. Terminal 98 MHz Oscilloscope FM S.S.G Adjustment Input point FM DETECTOR COIL Speaker (FM DET) Terminal output Input 60 dB Output Distortion Meter Minumum Distortion (0.4% below) (Figure 1-1) Figure1-1 IF CENTER and THD Adjustment...
  • Page 21 MX-DVA5 2 Cassette Deck 2-1 To Adjust Tape Speed Notes Cassette Deck Frequency Counter 1) Measuring tape : i) VT712 (Tapes recorded with 3kHz) SPK OUT ii) AC-225 output 2) Connect the cassette deck to the frequency counter as in figure 1-5.
  • Page 22 MX-DVA5 2-2 T o Adjust Playback Level/REC Notes 1) Before the actual adjustment, clean the play/recording head. 2) Measuring tape : i) VT-703 ( 10kHz AZIMUTH control) ii) AC-225 3) The cassette deck is connections as shown in figure 1-7.

  • Page 23: Troubleshooting

    MX-DVA5 Troubleshooting 1. Amplifier Power Malfunction board board board board board board board board board No Output mp. board board board board board 1-23...
  • Page 24 MX-DVA5 2. Tuner Malfunction (FM/AM) board board board board board board board board 3. Tape board board board board board board board 1-24...
  • Page 25 MX-DVA5 4. CD board Is state of rotation proper? Is signal of RAO proper? (#2, #3, #4, #5 of WIC101) 1-25...
  • Page 26 MX-DVA5 Description of major ICs 74HCU04 (VIC6) : Optical 1.Pin layout 1A 1 14 Vcc 1Y 2 13 6A 2A 3 12 6Y 2Y 4 11 5A 3A 5 10 5Y 3Y 6 9 4A GND 7 8 4Y BA4560 (AIC1, AIC2, AIC2, AIC4, AIC5, AIC6, AIC7, FIC4, FIC5, HIC1, JIC3) : Op. amp.
  • Page 27 MX-DVA5 BA5983FM (DIC1) : CD-ROM 4ch BTL Driver 1.Pin layout BIAS PreVcc OPIN1(-) OPIN4(+) OPIN18(+) OPIN4(-) OPOUT8(-) OPOUT4 OPIN2(+) OPIN3(+) OPIN2(-) OPIN3(-) OPOUT2(-) OPOUT3 STBY1 STBY2 PowVcc1 PowVcc VO2(-) VO3(-) VO2(+) VO3(+) VO1(-) VO4(-) VO1(+) VO4(+) 2.Block diagram – –...
  • Page 28 MX-DVA5 FAN8082 (DIC2,DIC3) : DC motor driver 2. Block diagram 1.Pin layout DRIVER OUT PRE DRIVER FAN8082 BIAS LOGIC SWITCH 3. Pin function Pin Number Pin Name Pin Function Description Ground Output 1 Motor speed control Input 1 Input 2...
  • Page 29 MX-DVA5 KA3082 (LIC1, LIC2) : Bidirectional DC motor driver 1.Pin layout KA3082 2.Pin function Symbol Function Pin No. Ground Output 1 Phase compensation Motor speed control Input 1 Input 2 Supply voltage (Signal) Supply voltage (Power) Phase compensation Output 2 3.Block diagram...
  • Page 30 MX-DVA5 KM416C256D (SIC1) : CMOS DRAM 1.Pin layout 2. Pin function Pin No. Symbol Function 16~19 A0~A3 Address Inputs DQ15 DQ14 22~26 A4~A8 Address Inputs DQ13 DQ0~3 Data In/Out DQ12 7~10 DQ4~7 Data In/Out DQ11 31~34 DQ8~11 Data In/Out DQ10...
  • Page 31 MX-DVA5 L4959 (RIC1) : Voltage regulator 1.Pin layout OUT 12V(a) OUT 8.6V EN 8.6V EN 12V(a) EN 12V(b) N.C. OUT 5.6V OUT 12V(b) TAB CONNECTED TO PIN 6 D97AU716A 2.Block diagram 2/10 5.6V, 250mA OUT 5.6V REGULATOR 8.6V, 600mA OUT 8.6V...
  • Page 32 MX-DVA5 M66010 (UIC2) : I/O control 1.Pin layout 2.Block diagram Shift register 1 SERIAL DATA OUTPUT D24 D23 D22 D3 D2 D1 CLOCK INPUT SET INPUT CHIP SELECT Q24 Q23 Q22 Q3 Q2 Q1 PARALLEL INPUT Parallel output latch DATA I/O...
  • Page 33 MX-DVA5 M11B416256A (SIC1) : DRAM 1.Pin layout 2. Pin function Pin No. Symbol Function 16~19 A0~A3 Address Input I/O0 I/O15 I/O1 I/O14 22~26 A4~A8 Address Input I/O2 I/O13 I/O0~3 Data Input/Output I/O3 I/O12 7~10 I/O4~7 Data Input/Output I/O4 I/O11 31~34...
  • Page 34 MX-DVA5 SP3721A (RIC1) : DVD Driver 1.Pin layout 64 ~ 49 ~ 32 2.Pin Function (1/2) Function Symbol Pin No. RF Signal Inputs. Differential RF signal attenuator input pins. DVDRFP DVDRFN CD Photo detector Interface Inputs. Inputs from the CD photo detector error outputs.
  • Page 35 MX-DVA5 Pin Function (2/2) SP3721A Function Symbol Pin No. SIGO Bottom Envelope Output. Bottom envelope for Mirror detection. MEVO RF signal Input for Mirror. AC coupled inputs for the mirror detection circuit from the pull-in signal output. (PI) Pull-in Signal Output. The summing signal output of A,B,C,D or PD1, PD2 for mirror detection.
  • Page 36 MX-DVA5 KA22291 (JIC1) : RB/REC PRE amp. 1.Pin layout KA22291 1 2 3 4 5 6 7 8 9 10 11 12 2.Block diagram MUTE MUTE PB NF(2) IN(2) R/P SW IN(2) OUT(2) 100k 100k REC NF(2) PB OUT(2) INPUT...
  • Page 37 MX-DVA5 TDA7442D (FIC1) : Audio processor 1.Pin layout R_IN3 R_IN4 R_IN2 LOUT R_IN1 ROUT L_IN1 AGND L_IN2 L_IN3 CREF L_IN4 MUXOUTL IN(L) DIG-GND MUXOUT(R) TREBLE(R) IN(R) TREBLE(L) BIN(R) BOUT(R) BIN(L) BOUT(L) 2.Block diagram 5.6K 5.6nF 100nF 100nF 100nF 2.2 F...
  • Page 38 MX-DVA5 LA1837 (IC01) : FM IF/DET AM RF/IF/DET 1-38...
  • Page 39 MX-DVA5 LC72131M (IC02) : PLL frequency synthesizer 1. Pin layout XOUT AOUT FMIN AMIN IFIN 2. Block diagram Phase Reference Detector Driver Charge Pump Swallow Counter Swallow Counter 1/16,1/17 4bit 1/16,1/17 4bit Unlock Detector 12bit Programmable Drivers Universal Data Shift Register & Latch...
  • Page 40 MX-DVA5 VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.21032) 200109(V)

  • Page 41: Parts List

    MX-DVA5 PARTS LIST [ MX-DVA5 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix UG - Turkey,South Africa,Egypt US --------------------- Singapore UW --------- Brazil,Mexico,Peru UY ---------------------- Argentina - Contents - Exploded view of general assembly and parts list...
  • Page 42 MX-DVA5 < M E M O >...
  • Page 43 MX-DVA5 Exploded view of general assembly and parts list Block No. DVD changer unit Tuner board DVD Sub board Front key switch board Front / display board CD key switch board Amp board H.phone Voltage Selector Voice Cancel board J.board Trans.
  • Page 44 MX-DVA5 Parts list(General assembly) Parts list(General assembly) Block No. M1MM Block No. M1MM Item Parts number Parts name Q'ty Description Area Item Parts number Parts name Q'ty Description Area 6002-000126 SCREW FH M3*10 BLK AH63-00250A REAR COVER 6003-000276 SCREW BH M3*10 YEL...
  • Page 45 MX-DVA5 DVD changer mechanism assembly and parts list Block No. Base main Tray stopper DVD board...
  • Page 46 MX-DVA5 Parts list(DVD changer mechanism) Block No. M2MM Item Parts number Parts name Q'ty Description Area AH66-80022A CLID-CAM AH66-60034A BELT-LOAD AH66-20186A GEAR-PULLY AH66-20187A GEAR-LOAD AH66-20188B GEAR-CAM AH66-20189B GEAR-TRAY AH66-20190B GEAR-CONVERT AH66-20191A GEAR-SYNCHRO AH66-20192A GEAR-WORM AH31-12001A MOTOR-LOADINF AH66-20193A GEAR-ROULLETTE AH63-00324A TRAY-ROULLETTE...
  • Page 47 MX-DVA5 Cassette mechanism assembly and parts list Block No. Note: Parts listed on the Parts List below can be supplied. However, parts that are not listed below cannot be supplied individually but only by purchasing the whole Cassette Mechanism Assembly Unit. (When ordering, use the Parts No.
  • Page 48 MX-DVA5 Electrical parts list(Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area 3722-000377 JACK-RCA FC2L 2401-001912 E.CAPACITOR CR 36 2001-000290 CARBON RESISTOR FC2R 2401-001912 E.CAPACITOR EC 1 2202-000148 C CAPACITOR...
  • Page 49 MX-DVA5 Block No. 01 Electrical parts list(Main board) Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area FR11R 2001-000429 CARBON RESISTOR HR4L 2001-000290 CARBON RESISTOR FR12L 2001-000591 CARBON RESISTOR HR4R 2001-000290 CARBON RESISTOR FR12R 2001-000591...
  • Page 50 MX-DVA5 Electrical parts list(Main board) Block No. 01 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area JLP1L AH26-10002W COIL-TRAP JR2L 2001-000890 CARBON RESISTOR JLP1R AH26-10002W COIL-TRAP JR2R 2001-000890 CARBON RESISTOR JL1L AH27-10001D COIL-CHOKE JR20L...
  • Page 51 MX-DVA5 Block No. 01 Electrical parts list(Main board) Item Parts number Parts name Remarks Area RD 3 0402-000127 DIODE 1N4002 RD 5 0402-000127 DIODE 1N4002 RD 7 0401-000101 DIODE 1N4148 RD 8 0402-000151 DIODE 1N5392 RD 10 0402-000127 DIODE 1N4002...
  • Page 52 MX-DVA5 Electrical parts list(Front board) Block No. 02 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area MC 1 2401-001975 E.CAPACITOR UC 37 2201-000470 C.CAPACITOR MC 2 2201-000236 E.CAPACITOR UC 38 2201-000783 C.CAPACITOR MC 3 2401-001954 E.CAPACITOR...
  • Page 53 MX-DVA5 Electrical parts list(Front board) Block No. 02 Item Remarks Parts number Parts name Area Item Parts number Parts name Remarks Area UQ 19 0504-001003 TRANSISTOR R2003 UR149 2001-000515 CARBON RESISTOR UR 1 2001-000003 CARBON RESISTOR UR150 2001-000290 CARBON RESISTOR...
  • Page 54 MX-DVA5 Block No. 02 Electrical parts list(Front board) Item Remarks Parts number Parts name Area Item Parts number Parts name Remarks Area UR213 2001-000786 CARBON RESISTOR USW32 3404-000165 TACT SWITCH SKHV10910A UR214 2001-000786 CARBON RESISTOR UVR 1 3406-001071 ROTARY SWITCH...
  • Page 55 MX-DVA5 Electrical parts list(Amp board) Block No. 03 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area AC 3 2301-000375 C.CAPACITOR AC8L 2401-000459 E.CAPACITOR AC 4 2301-000375 C.CAPACITOR AC8R 2401-000459 E.CAPACITOR AC 8 2201-000368 C.CAPACITOR...
  • Page 56 MX-DVA5 Block No. 03 Electrical parts list(Amp board) Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area AR 41 2001-000281 CARBON RESISTOR AR3R 2001-000864 CARBON RESISTOR AR 42 2001-000008 CARBON RESISTOR AR300 2001-000429 CARBON RESISTOR...
  • Page 57 MX-DVA5 Block No. 05 Electrical parts list(DVD board) Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area AC 1 2203-000178 CHIP CAPACITOR DC 1 2203-000575 C CAPACITOR AC 2 2203-000178 CHIP CAPACITOR DC 2 2203-000575...
  • Page 58 MX-DVA5 Block No. 05 Electrical parts list(DVD board) Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area FREE 3809-001215 CONNECTOR MR 7 2007-000872 CHIP RESISTOR FREE AH39-00220A CONNECTOR ASSY MR 8 2007-000872 CHIP RESISTOR HA 1...
  • Page 59 MX-DVA5 Electrical parts list(DVD board) Block No. 05 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area RC 16 2203-000178 CHIP CAPACITOR RR 15 2007-001177 CHIP RESISTOR RC 17 2203-000178 CHIP CAPACITOR RR 16 2007-000703...
  • Page 60 MX-DVA5 Electrical parts list(DVD board) Block No. 05 Item Remarks Parts number Parts name Area Item Parts number Parts name Remarks Area SC 7 2203-000178 CHIP CAPACITOR SR 23 2007-000830 CHIP RESISTOR SC 9 2203-000575 C CAPACITOR SR 24 2007-000029...
  • Page 61 MX-DVA5 Electrical parts list(DVD board) Block No. 05 Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area VC 35 2203-000178 CHIP CAPACITOR VR 12 2007-000981 CHIP RESISTOR VC 36 2203-000575 C CAPACITOR VR 13 2007-000981...
  • Page 62 MX-DVA5 Electrical parts list(DVD board) Block No. 05 Electrical parts list(Voice cancel board) Block No. 06 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area VR 89 2007-001134 CHIP RESISTOR C 301 2401-000907 E.CAPACITOR VR 90...
  • Page 63 MX-DVA5 Electrical parts list(CD board) Block No. 07 Item Remarks Parts number Parts name Area Item Parts number Parts name Remarks Area C 101 2401-000240 E CAPACITOR CW104 3711-003379 CONNECTOR 35366-0310 C 102 2203-000440 CHIP CAPACITOR CW105 3708-001438 CONNECTOR C 103...
  • Page 64 MX-DVA5 Block No. 07 Electrical parts list(CD board) Item Remarks Parts number Parts name Area R 204 2007-000078 CHIP RESISTOR R 205 2007-000078 CHIP RESISTOR R 206 2007-000078 CHIP RESISTOR R 207 2007-000078 CHIP RESISTOR R 208 2007-000078 CHIP RESISTOR...
  • Page 65 MX-DVA5 < M E M O > 3-25...
  • Page 66 MX-DVA5 Packing materials and accessories parts list Block No. Block No. (A1 A9) 3-26...
  • Page 67 MX-DVA5 Parts list(Packing) Block No. M4MM Item Parts number Parts name Q'ty Description Area AH69-00351K PACKING CASE UY UW AH69-00351J PACKING CASE AH69-00351L PACKING CASE AH69-00343A CUSHION-L FOR SET AH69-00344A CUSHION-R FOR SET AH69-30012T POLY BAG FOR SET 18654-101-071 POLY BAG...

  • Page 68: Block Diagram

    MX-DVA5 Block diagram H/ P TO TUNER REMOCON STAND-BY USW1 HCW2 RCW6 HCW3 USW2-6 MICOM LC86P6548 FIC4/ HIC4 BA4560X2 OP/ CL USW7 MASTER VOLUME U only SOURCE 74HCU04 SELECTOR ECHO IC UCW4 UCW2 BASS & E.VOL M65855 LEVEL OIC1 TDA7442D D.OUT...
  • Page 69 MX-DVA5 MX-DVA5 Standard schematic diagrams MAIN signal Main section PRE MAIN signal TUNER signal CD signal TAPE P.B. signal TAPE REC. signal SHEET 2/8 Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
  • Page 70 MX-DVA5 Amplifier section RB441Q MAIN Signal Parts are safety assurance parts. When replacing those parts make sure to use the specified one. SHEET 2/9...
  • Page 71 MX-DVA5 MX-DVA5 Front control section SHEET 3/9...
  • Page 72 MX-DVA5 Main / Ziva section CD signal SHEET 4/9...
  • Page 73 MX-DVA5 MX-DVA5 DVD Pre amp. Driver section SHEET 5/9...
  • Page 74 MX-DVA5 DVD Memory section SHEET 6/9...
  • Page 75 MX-DVA5 MX-DVA5 DVD 3Dec Model section SHEET 7/9...
  • Page 76 MX-DVA5 DVD Connecter section SHEET 8/9...
  • Page 77 MX-DVA5 MX-DVA5 Tuner section FM/TUNER Signal AM Signal SHEET 1/8 SHEET 9/9 2-10...
  • Page 78 MX-DVA5 Printed circuit boards Main board 2-11...
  • Page 79 MX-DVA5 MX-DVA5 Amp. board (Front side) 2-12...
  • Page 80 MX-DVA5 Amp. board (Revese side) 2-13...
  • Page 81 MX-DVA5 MX-DVA5 Front board Power / CD switch board FL display & system control board Front key switch board 2-14...
  • Page 82 MX-DVA5 DVD board (Forward side) 2-15...
  • Page 83 MX-DVA5 MX-DVA5 DVD board (Reverse side) 2-16...
  • Page 84 MX-DVA5 Power supply board Tuner board Front side Primary part Secondary parts Reverse side Headphone board 2-17...
  • Page 85 MX-DVA5 MX-DVA5 DVD power board 2-18...