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Sony SLV-7700KME Service Manual
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Sony SLV-7700KME Service Manual

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SLV-7700KME/7700KML
SERVICE MANUAL
MICROFILM
Photo : SLV-7700KME
• Refer to the SERVICE MANUAL of VHS MECHANICAL
SPECIFICATIONS
VIDEO CASSETTE RECORDER
ADJUSTMENT
(H MECHA) for MECHANICAL ADJUST-
MENTS. (9-973-623-11)
VIDEO CD PLAYER/
RMT-V208
ME Model
SLV-7700KME
E Model
SLV-7700KML
H MECHANISM

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Summary of Contents for Sony SLV-7700KME

  • Page 1 SLV-7700KME/7700KML RMT-V208 SERVICE MANUAL ME Model SLV-7700KME E Model SLV-7700KML Photo : SLV-7700KME H MECHANISM • Refer to the SERVICE MANUAL of VHS MECHANICAL ADJUSTMENT (H MECHA) for MECHANICAL ADJUST- MENTS. (9-973-623-11) SPECIFICATIONS VIDEO CD PLAYER/ VIDEO CASSETTE RECORDER MICROFILM...
  • Page 2 COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SERVICE NOTE 2-4. HI-66 Board ····································································· 2-2 2-5. SW-323 Board, IO-65 Board ··········································· 2-2 2-6. VCD Mechanical Block ·················································· 2-2 Removal of Drum Assembly ·············································· 5 2-7. CD-169 Board ································································· 2-2 Upper Drum Replacement ·················································· 5 2-8. PS-418 Board ·································································· 2-3 2-1.
  • Page 4 • MB-77 (Karaoke DSP, Audio I/O) 2-3. Power Supply Check ······················································· 7-3 Printed Wiring Board (Side B) ······················ 5-33 2-3-1. Output Voltage Check ······················································ 7-3 • MB-77 (Karaoke DSP) 2-4. Video-CD System Adjustments ······································· 7-3 Schematic Diagram (1/4) ······························ 5-35 2-4-1.

  • Page 5: Service Note

    SLV-7700KME/7700KML SERVICE NOTE 1 screw (P3 × 8) 1. REMOVAL OF DRUM ASSEMBLY (Fig.1.) × Remove the screw 1 (P3 Remove the shaft ground assembly 2. 2 shaft ground assembly Remove three screws 3 (P3 × Remove the drum assembly 4.

  • Page 6: Periodic Check And Replacement

    4) Solder 16 points on the rotary upper drum board. (See Fig. 2.) × 5) Fix the shaft ground assembly 2 using the screw 1 (P3 8) so that the protrusion of the shaft ground assembly end contacts the center of the drum shaft, (See Fig. 2.) Note: When attaching the shaft ground assembly, be careful not to apply force to the spring section of it.

  • Page 7: Video-Cd

    VIDEO-CD 1. REMOVING THE VIDEO-CD MECHANISM DECK (WHEN NOT ENERGIZED) 1 Remove three screws securing the mechanism deck. 2 Undo seven claws on the front panel to lift the front panel. 1 three screws 3 Lift the mechanism deck as inclined toward you and remove the deck together with the front panel.

  • Page 8: General

    SLV-7700KME/7700KML SECTION 1 This section is extracted from GENERAL instruction manual.
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  • Page 30: Disassembly

    SLV-7700KME/7700KML SECTION 2 DISASSEMBLY NOTE: Follow the disassembly procedure in the numerical order given. 2-1. UPPER CASE 2-2. FRONT PANEL ASSY 1 CN705 5 tapping screws 2 CN604 1 Push the 3 CN704 4 CN603 power button. 8 upper case...

  • Page 31: Board

    2-4. HI-66 BOARD 2-5. SW-323 BOARD, IO-65 BOARD 3 bind tapping screws 1 bind tapping screws (B2.6 × 8) 3 CN303 (B2.6 × 8) 4 IO holder 5 bind tapping screws (B2.6 × 8) 6 front ground plate (B) 2 HI-66 board 7 bind tapping screws (B2.6 ×...

  • Page 32: Board

    2-8. PS-418 BOARD 2-9. RP-233 BOARD 2 BVTP 3 × 6 2 BVTP 3 × 10 5 coating lead pin 3 BVTP 3 × 6 5 RP-233 board 9 PS-418 board 4 CN701 1 CN501 6 CN101 3 CN503 7 CN103 8 CN102 4 claws 1 BVTP 3 ×...

  • Page 33: Mechanism Deck

    2-11. MECHANISM DECK !™ CN271 9 P3 × 6 8 BVTP 3 × 10 6 CN275 2 coating lead pin 7 coating lead pin !º CN291 4 CN881 !¡ CN281 !£ MA-303 board shaft 1 CN891 3 CN101 5 coating lead pin !¢...

  • Page 34: Internal Views

    2-14. INTERNAL VIEWS — Top View — Upper drum assembly DZR-68-R FE901 8-848-625-02 ACE block assembly FE head A-6736-103-A 1-500-144-11 M902 DC motor (capstan) 1-698-409-14 Pinch press block assembly Optical pick-up block A-6746-072-A KSS-213B/K-N 8-848-367-11 Reel (S) table assembly X-3943-902-1 Reel (T) table assembly X-3943-903-1 FL block assembly...

  • Page 35: Circuit Boards Location

    2-15. CIRCUIT BOARDS LOCATION MB-77 CD-169 KARAOKE DSP, VCD MECHA AUDIO I/O CONTROL, MPEG TU-168 BD-21 (TUNER) (RF AMP) PS-418 LOADING CDM-14 (POWER SUPPLY) (LOADING MOTOR) IO-65 (FRONT JACK) RP-233 HI-66 (HEAD AMP) DISPLAY/FUNCTION CONTROL MA-303 VIDEO/AUDIO PROCESS, MJ-92 SERVO/SYSTEM CONTROL (MIC AMP) SW-323 (FUNCTION SWITCH)

  • Page 36: Service Position

    SLV-7700KME/7700KML SECTION 3 SERVICE POSITION 3-1. HI-66, IO-65, SW-323 AND MJ-92 BOARDS MJ-92 board SW-323 board HI-66 board IO-65 board 3-2. MA-303, TU-168 AND PS-418 BOARDS PS-418 board MA-303 board Measure the MA-303 board with the VHS mechanism deck stood in a vertical position TU-168 board on the stand.

  • Page 37: And Bd-21 Boards

    3-3. CD-169 AND BD-21 BOARDS Stand the Video-CD mechanism deck in a vertical position on the VHS mechanism deck. BD-21 board CD-169 board * When measuring the B side of CD-169 board (When the Video-CD mechanism board is normal and the CD-169 board is measured singly.) CD-169 board insulator CN304...

  • Page 38: Block Diagrams

    SLV-7700KME/7700KML SECTION 4 BLOCK DIAGRAMS 4-1. OVERALL BLOCK DIAGRAM (1/2) MB-77 BOARD MA-303 BOARD RP-233 BOARD J601 IC751 IC501 LINE-1 IC302 SP CH1 CD-169 BOARD VIDEO REC V VIDEO IN PB RF Y M901 DRUM HEAD IC305 SP CH2 EP CH2...

  • Page 39: Overall Block Diagram (2/2)

    SLV-7700KME/7700KML 4-2. OVERALL BLOCK DIAGRAM (2/2) MA-303 BOARD IC201 SERVO/SYSTEM CONTOROL DRUM MOTOR IC251 (1/3) SERVO SYSTEM M901 DRUM DRUM DRUM DA DRUM MOTOR ERROR MOTOR DRIVE INTG PS-418 BOARD DRUM PG/FG DRUM PG/FG PS 13V IC141 VIDEO CONTROL AUDIO...

  • Page 40: Video Block Diagram

    SLV-7700KME/7700KML 4-3. VIDEO BLOCK DIAGRAM MB-77 BOARD MA-303 BOARD TU-168 BOARD J601 IO-65 Q751 Q404 LINE-1 IC704 IC751 BOARD J401 BUFF BUFF VIDEO SW VIDEO SEL CN704 VIDEO LINE-2 V2 IN Q752 CN801 CN705 CN604 CN602 IC401 !§!• REC/PB REC V...

  • Page 41: Audio Block Diagram

    SLV-7700KME/7700KML 4-4. AUDIO BLOCK DIAGRAM MA-303 BOARD RP-233 BOARD IC760 RV522 RV521 M901 REC/PB AMP 1.4MHz 1.3MHz DRUM AUDIO IC501 HEAD CN501 Q522 AUDIO PROCESSOR CN801 CN701 CN501 FM PB PB EE L REC ON MODEM RV541 PB RF PB EE R TO/FROM KARAOKE .AUDIO I/O...

  • Page 42: Display Control Block Diagram

    SLV-7700KME/7700KML 4-5. DISPLAY CONTROL BLOCK DIAGRAM TU-168 BOARD HI-66 BOARD IC201 DIGITAL DISPLAY CONT. CN302 SOUND EFFECTOR CD RESET CD RESET S260 CMD 0 CMD 0 CMD 1 CMD 1 SW-323 BOARD CN304 CN451 CMD 2 MONO IC701 CMD 2...
  • Page 43 SLV-7700KME/7700KML 4-6. SERVO/SYSTEM CONTROL BLOCK DIAGRAM MA-303 BOARD IC201 $™ REC/PB IC201 (2/2) DRUM MOTOR SYSTEM CONTROL CN901 CN275 M901 ASURA SO 4.4Vp-p (16MHz) M12V S OUT IC251 (1/2) ASURA SI IC201 (1/2) XTAL S IN TO/FROM DRUM ERR ASURA CLK X160 DISPLAY CONT.
  • Page 44 SLV-7700KME/7700KML 4-7. KARAOKE, AUDIO I/O BLOCK DIAGRAM MB-77 BOARD IC520 J601 IC519 IC521 CN602 LINE-1 REC L REC L REC R VCD M AUDIO BLOCK AUDIO LINE OUT L MA-303 BOARD CN801 REC R LIN OUT R (SEE PAGE 4-8)
  • Page 45 SLV-7700KME/7700KML 4-8. VIDEO CD BLOCK DIAGRAM (1/2) BD-21 BOARD IC101 DIGITAL SERVO OPTICAL PICK-UP BLOCK DIGITAL SIGNAL PRCESSOR IC101 #§ PB (KSS-213B/K-N) CN102 IC103 DETECTOR D OUT DIGITAL RF AMP ADDRESS ERROR 1.3Vp-p GENERATOR CORRECTOR CN101 RF AC SERIAL/ DATA...
  • Page 46 SLV-7700KME/7700KML 4-9. VIDEO CD BLOCK DIAGRAM (2/2) CD-169 BOARD IC305 fi `⁄⁄¤ Color-bar mode IC310 fi @¢ Color-bar mode IC310 IC305 IC307 DIGITAL VIDEO CN303 MPEG DECODER ENCODER 5Vp-p (2.1MHz) BUFFER 1.3Vp-p (H) A DATA DATI Q302-304 Q305 CN304 BCLK...
  • Page 47 SLV-7700KME/7700KML 4-10.TUNER BLOCK DIAGRAM TU-168 BOARD TU701 Q701 D705 UN 5V UN 5V UNSW 13V SW 12V CN703 FROM VIDEO BLOCK MOD V MOD V V OUT TU V IC704 VIDEO MA-303 BOARD BLOCK CN701 (SEE PAGE 4-5) (SEE PAGE 4-6)
  • Page 48 SLV-7700KME/7700KML 4-11. POWER BLOCK DIAGRAM TU-168 BOARD TU701 CN104 CN104 CN702 PS-418 BOARD L703 SW 12V SW 12V SW 5V SW 5V L704 SW 5V UNSW 13V Q701 CN275 MA-303 BOARD UN 5V M901 SW -13V MTR 12V L701 DRUM...

  • Page 49: Frame Schematic Diagram

    SLV-7700KME/7700KML SECTION 5 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 5-1. FRAME SCHEMATIC DIAGRAM FRAME SCHEMATIC DIAGRAM...

  • Page 50: Schematic Diagrams

    SLV-7700KME/7700KML 5-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS CIRCUIT BOARDS LOCATION THIS NOTE IS COMMON FOR WIRING BOARDS AND SCHEMATIC DIAGRAMS MB-77 (In addition to this, the necessary note is printed in each block) CD-169 KARAOKE DSP, VCD MECHA AUDIO I/O...

  • Page 51: Video-Cd Mecha Control

    SLV-7700KME/7700KML CD-169 (VIDEO-CD MECHA CONTROL) SCHEMATIC DIAGRAM (1/2) • See page 5-9 for printed wiring board. • See page 5-63 for waveforms. — Ref. No. CD-169 Board; 3,000 Series — VIDEO-CD MECHA CONTROL CD-169...

  • Page 52: Video Encoder

    SLV-7700KME/7700KML CD-169 (VIDEO ENCODER) SCHEMATIC DIAGRAM (2/2) • See page 5-63 for waveforms. — Ref. No. CD-169 Board; 3,000 Series — VIDEO ENCODER CD-169...
  • Page 53 SLV-7700KME/7700KML CD-169 (VIDEO-CD MECHA CONTROL, MPEG) PRINTED WIRING BOARD There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No. CD-169 Board; 3,000 Series — CD-169 BOARD CN301 E-2 IC306 C-12 CN302 E-4...
  • Page 54 SLV-7700KME/7700KML BD-21 (RF AMP) , LOADING (LOADING MOTOR) SCHEMATIC DIAGRAM • See page 5-63 for waveforms. — Ref. No. BD-21, LOADING Board; 3,000 Series — (SEE PAGE 5-5) (SEE PAGE 5-6) Note: The components indentified by mark or dotted line with mark are critical for safety.

  • Page 55: Printed Wiring Boards

    SLV-7700KME/7700KML BD-21 (RF AMP) , LOADING (LOADING MOTOR) PRINTED WIRING BOARDS — Ref. No. BD-21, LOADING Board; 3,000 Series — BD-21 BOARD (SIDE A) BD-21 BOARD (SIDE B) LOADING BOARD S152 LOAD CN151 S151 LOAD M151 (LOADING) (21) 1 - 6 4 5 - 7 2 1 -...

  • Page 56: Schematic Diagram

    SLV-7700KME/7700KML RP-233 (HEAD AMP) SCHEMATIC DIAGRAM • See page 5-63 for waveforms. — Ref. No. RP-233 Board; 2,000 Series — HEAD AMP 5-15 5-16 RP-233...
  • Page 57 SLV-7700KME/7700KML RP-233 (HEAD AMP) PRINTED WIRING BOARD There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No. RP-233 Board; 2,000 Series — RP-233 BOARD CN501 B-4 CN502 C-6 CN503 A-5 CN701 A-1...

  • Page 58: Video/Audio Process, Servo/System Control

    SLV-7700KME/7700KML MA-303 (VIDEO/AUDIO PROCESS, SERVO/SYSTEM CONTROL) PRINTED WIRING BOARD There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No. MA-303 Board; 1,000 Series — MA-303 BOARD CN101 H-8 IC401 B-6 CN102 J-8...

  • Page 59: Servo/System Control

    SLV-7700KME/7700KML MA-303 (SERVO/SYSTEM CONTROL) SCHEMATIC DIAGRAM (1/5) • See page 5-64 for waveforms. — Ref. No. MA-303 Board; 1,000 Series — SERVO/SYSTEM CONTROL 5-21 5-22 MA-303 (1/5)

  • Page 60: Ctl, Rec/Pb Control

    SLV-7700KME/7700KML MA-303 (CTL, REC/PB CONTROL) SCHEMATIC DIAGRAM (2/5) • See page 5-19 for printed wiring board. — Ref. No. MA-303 Board; 1,000 Series — CTL, REC/PB CONTROL 5-23 5-24 MA-303 (2/5)

  • Page 61: Selector

    SLV-7700KME/7700KML MA-303 (SELECTOR) SCHEMATIC DIAGRAM (3/5) • See page 5-19 for printed wiring board. — Ref. No. MA-303 Board; 1,000 Series — SELECTOR 5-25 5-26 MA-303 (3/5)

  • Page 62: Audio Processor

    SLV-7700KME/7700KML MA-303 (AUDIO PROCESSOR) SCHEMATIC DIAGRAM (4/5) • See page 5-19 for printed wiring board. — Ref. No. MA-303 Board; 1,000 Series — AUDIO PROCESSOR 5-27 5-28 MA-303 (4/5)

  • Page 63: Y/C Video Process

    SLV-7700KME/7700KML MA-303 (Y/C VIDEO PROCESS) SCHEMATIC DIAGRAM (5/5) • See page 5-19 for printed wiring board. • See page 5-64 for waveforms. — Ref. No. MA-303 Board; 1,000 Series — Y/C VIDEO PROCESS 5-29 5-30 MA-303 (5/5)
  • Page 64 SLV-7700KME/7700KML MB-77 (KARAOKE DSP, AUDIO I/O) PRINTED WIRING BOARD (SIDE A) There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No. MB-77 Board; 5,000 Series — MB-77 BOARD (SIDE A) CN601 A-4...

  • Page 65: Karaoke Dsp, Audio I/O

    SLV-7700KME/7700KML MB-77 (KARAOKE DSP, AUDIO I/O) PRINTED WIRING BOARD (SIDE B) There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No. MB-77 Board; 5,000 Series — KARAOKE DSP, AUDIO I/O 5-33...

  • Page 66: Karaoke Dsp

    SLV-7700KME/7700KML MB-77 (KARAOKE DSP) SCHEMATIC DIAGRAM (1/4) • See page 5-31 for printed wiring board. • See page 5-63 for waveform. — Ref. No. MB-77 Board; 5,000 Series — KARAOKE DSP 5-35 5-36 MB-77 (1/4)

  • Page 67: Schematic Diagram (2/4)

    SLV-7700KME/7700KML MB-77 (AUDIO IN/OUT) SCHEMATIC DIAGRAM (2/4) • See page 5-31 for printed wiring board. — Ref. No. MB-77 Board; 5,000 Series — AUDIO IN/OUT 5-37 5-38 MB-77 (2/4)

  • Page 68: Surround Processor

    SLV-7700KME/7700KML MB-77 (SURROUND PROCESSOR) SCHEMATIC DIAGRAM (3/4) • See page 5-31 for printed wiring board. — Ref. No. MB-77 Board; 5,000 Series — SURROUND PROCESSOR 5-39 5-40 MB-77 (3/4)

  • Page 69: Video Select

    SLV-7700KME/7700KML MB-77 (VIDEO SELECT) SCHEMATIC DIAGRAM (4/4) • See page 5-31 for printed wiring board. • See page 5-63 for waveform. — Ref. No. MB-77 Board; 5,000 Series — VIDEO SELECT 5-41 5-42 MB-77 (4/4)

  • Page 70: Schematic Diagram

    SLV-7700KME/7700KML HI-66 (DISPLAY/FUNCTION CONTROL) SCHEMATIC DIAGRAM • See page 5-63 for waveform. — Ref. No. HI-66 Board; 4,000 Series — DISPLAY/FUNCTION CONTROL 5-43 5-44 HI-66...
  • Page 71 SLV-7700KME/7700KML HI-66 (DISPLAY/FUNCTION CONTROL) PRINTED WIRING BOARD There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No. HI-66 Board; 4,000 Series — HI-66 BOARD CN290 B-13 CN301 C-7 CN302 A-3 CN303 A-1...

  • Page 72: Function Switch

    SLV-7700KME/7700KML SW-323 (FUNCTION SWITCH) PRINTED WIRING BOARD SW-323 (FUNCTION SWITCH) SCHEMATIC DIAGRAM There are few cases that the part printed on this diagram — Ref. No. SW-323 Board; 4,000 Series — — Ref. No. SW-323 Board; 4,000 Series — isn’t mounted in this model.

  • Page 73: Schematic Diagram

    SLV-7700KME/7700KML MJ-92 (MIC AMP) PRINTED WIRING BOARD MJ-92 (MIC AMP) SCHEMATIC DIAGRAM There are few cases that the part printed on this diagram — Ref. No. MJ-92 Board; 4,000 Series — — Ref. No. MJ-92 Board; 4,000 Series — isn’t mounted in this model.

  • Page 74: Schematic Diagram

    SLV-7700KME/7700KML IO-65 (FRONT JACK) SCHEMATIC DIAGRAM — Ref. No. IO-65 Board; 4,000 Series — FRONT JACK 5-51 5-52 IO-65...
  • Page 75 SLV-7700KME/7700KML IO-65 (FRONT JACK) PRINTED WIRING BOARD There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No. IO-65 Board; 4,000 Series — IO-65 BOARD CN401 D-2 CN402 D-3 D401 D402 D403...

  • Page 76: Tuner

    SLV-7700KME/7700KML TU-168 (TUNER) SCHEMATIC DIAGRAM — Ref. No. TU-168 Board; 7,000 Series — TUNER 5-55 5-56 TU-168...
  • Page 77 SLV-7700KME/7700KML TU-168 (TUNER) PRINTED WIRING BOARD There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No. TU-168 Board; 7,000 Series — TU-168 BOARD CN702 D-3 CN703 D-5 CN704 D-2 CN705 D-2...

  • Page 78: Schematic Diagram

    SLV-7700KME/7700KML PS-418 (POWER SUPPLY) SCHEMATIC DIAGRAM — Ref. No. PS-418 Board; 6,000 Series — POWER SUPPLY 5-59 5-60 PS-418...
  • Page 79 SLV-7700KME/7700KML PS-418 (POWER SUPPLY) PRINTED WIRING BOARD There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No. PS-418 Board; 6,000 Series — PS-418 BOARD CN101 B-1 CN102 D-4 CN103 D-3 CN104 D-2...

  • Page 80: Waveforms

    SLV-7700KME/7700KML WAVEFORMS CD-169 MA-303 BD-21 RP-233 MA-303 BOARD BOARD BOARD BOARD BOARD (VIDEO) (SERVO/SYSTEM) !º !¶ IC301 %¡ C-BAR IC101 @¶ PB IC501 4 REC IC501 @¢ PB IC302 7 REC IC302 #™ REC/PB IC201 1 REC/PB IC201 &º REC/PB 2.5V...

  • Page 81: Interface And Ic Pin Function

    SLV-7700KME/7700KML SECTION 6 INTERFACE AND IC PIN FUNCTION...
  • Page 90 6-10...
  • Page 91 6-11...
  • Page 92 6-12...
  • Page 93 6-13...
  • Page 94 6-14E...

  • Page 95: Adjustments

    SLV-7700KME/7700KML SECTION 7 ADJUSTMENTS 7-1. MECHANICAL ADJUSTMENTS 2-1-2. Equipment Connection Unless otherwise specified, connect and adjust the measuring For the procedures how to adjust and check the mechanism, as well instruments as shown is the following diagram. as how to replace mechanical parts, refer to the VHS Mechanical Adjustment Manual (H MECHANISM) (9-973-623-11).

  • Page 96: Alignment Tape

    2-1-4. Alignment Tape 2-2. VIDEO-CD COLOR-BARS MODE • Contents of MH-2 (Normal-VHS) On this mode, the data of the color-bars signal as a picture signal Mode Period Video signal Audio signal and the 1 kHz sine wave signal as a sound signal are output by the 10 minutes Stair step 7kHz...

  • Page 97: Power Supply Check

    2-3. POWER SUPPLY CHECK 2-3-1. Output Voltage Check (PS-418 Board) Mode MTR 10V check Measurement Measuring CN103 pin9 Digital voltmeter point instrument SW 5V check Specified 10 ± 1.0 Vdc value Measurement CN101 pin1 point [Check Method] Specified 5.3 ± 0.3 Vdc Check that each voltage satisfied the specified value.

  • Page 98: Rf Level Check

    2-4-2. RF Level Check (BD-21 Board) 2-4-3. E-F Balance (Traverse) Check (BD-21 Board) Signal Reference disc Signal Reference disc Measurement + : TP RF Measurement + : TP TE point – : TP VC point – : TP VC Measuring Measuring Oscilloscope Oscilloscope...

  • Page 99: Rf Pll Free-Run Frequency Check

    2-4-4. RF PLL Free-run Frequency Check (BD-21 Board) 2-5. SERVO SYSTEM ADJUSTMENT 2-5-1. RF Switching Position Adjustment (MA-303 Board) Signal Reference disc [Adjustment Object] Measurement To adjust the link of the Ach and Bch of the tape playback outputs. TP PLCK point If this specification is not satisfied, the noise will increase and Measuring...

  • Page 100: Video System Adjustments

    2-6. VIDEO SYSTEM ADJUSTMENTS 2-6-2. SYNC AGC Check (MA-303 Board) For the video system adjustment, follow the adjustment procedures Mode given below as a rule. The color bar video signal supplied from the Signal Color bar pattern generator is used as the video input signal for the video Measurement LINE-1 OUT VIDEO terminal system adjustment of the recording mode.

  • Page 101: Vco Frequency Adjustment

    2-6-4. REC Y Level Check (MA-303 Board) 2-6-6. Playback Level Check (MA-303 Board) Mode Mode Playback Signal No signal Signal Alignment tape : Color bar portion Measurement Measurement LINE-1 OUT VIDEO terminal Q301E or CN301 pin6 point point (terminated at 75Ω) Measuring Measuring Oscilloscope...

  • Page 102: Audio System Adjustments

    2-7. AUDIO SYSTEM ADJUSTMENTS 2-7-1. AF Switching Position Adjustment (MA-303 Board) [Adjustment Object] • For the adjustment of the audio system, perform in the SP mode To adjust the link of the Ach and Bch of the tape playback outputs. if there is no special notes.

  • Page 103: Vco F

    2-7-2. VCO f Adjustment (MA-303 Board) 2-7-3. Deviation Check (MA-303 Board) [Adjustment Object] Mode Recording To attain Hi-Fi audio compatibility. Signal 400 Hz, –7.5 dBs : CN801 pin68 If this apecification is not satisfied, the sound will be distorted. Measurement Mode Recording CN501 pin1 or AF SWP (RP-233 board)

  • Page 104: Ace Head Adjustment

    r Normal Audio System Adjustment 2-7-7. E-E Output Level Check • Adjust in the SP mode if there is no special indications. Mode • Perform the adjustment setting the switch on the following Signal 400Hz, – 7.5dBs : LINE-1 IN AUDIO terminal positions.

  • Page 105: Adjustment Parts Location Diagrams

    XX-XXX 2-8. ADJUSTMENT PARTS LOCATION DIAGRAMS BD-21 BOARD (CONDUCTOR SIDE) MA-303 BOARD (CONDUCTOR SIDE) CN102 RV201 RV202 (FE) (FEI) (RF) IC103 RV521 RV522 (TE) (VC) 1.3M 1.4M (PLCK) RV541 RV532 RV531 1.8M 1.7M IC101 CT401 Q314 IC302 IC304 IC401 CD-169 BOARD (CONDUCTOR SIDE) CN801 : Part on the component side.

  • Page 106: Repair Parts List

    SLV-7700KME/7700KML SECTION 8 REPAIR PARTS LIST 8-1. EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number The components identified by mark ! or have some differences from the original one.

  • Page 107: Front Panel Assembly

    1-782-140-11 CABLE, FLAT (FHO-1) 11P 3-975-251-41 BUTTON, CENTER * 67 A-6794-576-A HI-66 BOARD, COMPLETE 3-975-251-51 BUTTON, CENTER 1-782-141-11 CABLE, FLAT (FHA-1) 19P 3-943-995-01 EMBLEM (NO.5), SONY 3-975-263-11 KNOB (B), SLIDE * 55 3-975-258-01 INDICATOR, MENU 1-782-139-11 CABLE, FLAT (FHJ-1) 9P 3-975-253-11 BUTTON, INCELL...

  • Page 108: Chassis Assembly

    8-1-3. CHASSIS ASSEMBLY CDM14-5BD21 not supplied not supplied not supplied #9 #9 H mechanism not supplied supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-682-057-11 SPACER (SMALL) * 109 A-6794-574-A TU-168 BOARD, COMPLETE * 102 A-6794-350-A MB-77 BOARD, COMPLETE * 110...

  • Page 109: Vcd Mechanical Deck Assembly (Cdm14-5Bd21)

    8-1-4. VCD MECHANICAL DECK ASSEMBLY (CDM14-5BD21) BU-5BD21 not supplied not supplied M151 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-452-838-12 MAGNET (ASSY)5 * 159 1-645-721-12 CDM-14 BOARD 4-933-110-41 HOLDER (MG) 4-933-134-01 SCREW (+PTPWH M2.6X6) 4-933-112-01 TABLE, DISC 4-959-996-01 SPRING (932), COMPRESSION 4-967-268-01 GEAR (C) 4-933-129-01 HOLDER (BU)

  • Page 110: Optical Pick-Up Assembly (Bu-5Bd21)

    8-1-5. OPTICAL PICK-UP ASSEMBLY (BU-5BD21) M101 (Including r A) M102 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ! 201 8-848-367-11 OPTICAL PICK-UP BLOCK KSS-213B/K-N 4-917-564-01 GEAR (P), FLATNESS 1-769-069-11 WIRE (FLAT TYPE) (16 CORE) * 207 A-4673-557-A BD-21 BOARD, COMPLETE 4-917-567-01 GEAR (M) M101...

  • Page 111: Vhs Mechanical Deck Assembly (1)

    8-1-6. VHS MECHANICAL DECK ASSEMBLY (1) supplied FE901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3945-348-2 FEH ASSY 3-942-867-01 NUT, AC HEIGHT ADJUSTMENT 3-958-505-01 SPRING (SOFT BRACKET), TENSION 3-958-455-01 SPRING (PINCH), TENSION 3-958-421-01 HOLDER, TG8 A-6746-072-A PRESS BLOCK ASSY, PINCH X-3944-797-1 TG8 ASSY 3-958-454-01 OPENER, LID...

  • Page 112: Vhs Mechanical Deck Assembly (2)

    8-1-7. VHS MECHANICAL DECK ASSEMBLY (2) not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3943-903-1 TABLE, REEL (T) ASSY X-3943-899-8 GROUND ASSY, SHAFT X-3943-902-1 TABLE, REEL (S) ASSY X-3944-363-4 ROLLER ASSY, HC 3-669-595-00 WASHER (2), STOPPER 3-969-629-01 BASE, DRUM 3-958-390-01 SHAFT, PC BOARD 3-960-139-01 ARM, NEUTRALITY...

  • Page 113: Vhs Mechanical Deck Assembly (3)

    8-1-8. VHS MECHANICAL DECK ASSEMBLY (3) M903 S901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-669-595-00 WASHER (2), STOPPER 3-965-977-03 RETAINER, CAM GEAR 3-958-161-07 GEAR, CAM X-3943-889-1 ARM ASSY, TENSION VEHICLE 3-958-163-04 SLIDER, MAIN 3-958-361-01 BELT, TIMING 3-966-092-01 RING, RETAINING, SLIT WASHER 3-958-448-01 WHEEL, TENSION 3-958-157-02 WHEEL, WORM...

  • Page 114: Vhs Mechanical Deck Assembly (4)

    8-1-9. VHS MECHANICAL DECK ASSEMBLY (4) M902 not supplied supplied supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-958-492-01 SPRING (TG1), TENSION COIL A-6750-325-A SHUTTLE (T) BLOCK ASSY X-3943-886-1 TG1 ASSY 3-958-485-02 GEAR (T), LOADING 3-958-534-01 SPRING, TORSION 3-960-449-01 SPRING (T), TORSION COIL 3-958-532-01 ARM, S WINDING...

  • Page 115: Electrical Parts List

    8-2. ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, parts list may be different from the parts All resistors are in ohms. please include the board name. specified in the diagrams or the components METAL: metal-film resistor used on the set.
  • Page 116 CD-169 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-6791-239-A CD-169 BOARD, COMPLETE C354 1-126-206-11 ELECT CHIP 100uF 6.3V C355 1-163-038-91 CERAMIC CHIP 0.1uF *********************** (Ref.No.3,000 series) C356 1-163-038-91 CERAMIC CHIP 0.1uF C357 1-163-038-91 CERAMIC CHIP 0.1uF <...
  • Page 117 CD-169 HI-66 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > R358 1-216-667-11 METAL CHIP 4.7K 0.5% 1/10W R359 1-216-033-00 METAL CHIP 1/10W R301 1-216-025-91 RES,CHIP 1/10W R360 1-216-025-91 RES,CHIP 1/10W R302 1-216-025-91 RES,CHIP 1/10W R361 1-216-025-91 RES,CHIP...
  • Page 118 HI-66 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < DIODE > R229 1-216-035-00 METAL CHIP 1/10W R230 1-216-035-00 METAL CHIP 1/10W D273 8-719-026-08 DIODE GL4HY8 R231 1-216-035-00 METAL CHIP 1/10W D275 8-719-026-08 DIODE GL4HY8 R232 1-216-035-00 METAL CHIP 1/10W D276...
  • Page 119 HI-66 IO-65 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R370 1-216-055-00 METAL CHIP 1.8K 1/10W < JACK > R371 1-216-027-00 METAL CHIP 1/10W R372 1-216-027-00 METAL CHIP 1/10W J401 1-580-845-11 JACK, PIN 3P (LINE-2 IN) R373 1-216-089-00 METAL CHIP 1/10W...
  • Page 120 LOADING MA-303 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-645-721-11 LOADING BOARD CDM-14 C296 1-163-038-91 CERAMIC CHIP 0.1uF C301 1-163-021-91 CERAMIC CHIP 0.01uF ********************* (Ref.No.3,000 series) C302 1-163-235-11 CERAMIC CHIP 22PF C303 1-163-038-91 CERAMIC CHIP 0.1uF <...
  • Page 121 MA-303 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C360 1-163-031-11 CERAMIC CHIP 0.01uF C565 1-163-139-00 CERAMIC CHIP 820PF C361 1-162-306-11 CERAMIC 0.01uF C566 1-163-139-00 CERAMIC CHIP 820PF C362 1-163-031-11 CERAMIC CHIP 0.01uF C571 1-163-275-11 CERAMIC CHIP 0.001uF C363 1-163-031-11 CERAMIC CHIP...
  • Page 122 MA-303 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < TRIMMER > JR006 1-216-295-00 METAL CHIP 1/10W JR007 1-216-295-00 METAL CHIP 1/10W CT401 1-141-334-11 CAP, TRIMMER 30PF JR008 1-216-296-00 METAL CHIP 1/8W JR009 1-216-296-00 METAL CHIP 1/8W <...
  • Page 123 MA-303 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks L405 1-408-982-11 INDUCTOR 100uH ! Q881 8-729-012-31 TRANSISTOR 2SC4040-TL2-Q L701 1-410-501-11 INDUCTOR 2.2uH ! Q882 8-729-900-51 TRANSISTOR DTA114TK L802 1-408-978-21 INDUCTOR 47uH Q886 8-729-010-29 TRANSISTOR MSD601-RST1 L881 1-410-687-11 INDUCTOR 1.2mH ! Q891...
  • Page 124 MA-303 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R262 1-249-400-11 CARBON 1/4W F R342 1-216-295-00 METAL CHIP 1/10W R263 1-216-057-00 METAL CHIP 2.2K 1/10W R343 1-216-296-00 METAL CHIP 1/8W R264 1-216-107-00 METAL CHIP 270K 1/10W R345 1-216-077-00 METAL CHIP 1/10W...
  • Page 125 MA-303 MB-77 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R565 1-216-099-00 METAL CHIP 120K 1/10W R886 1-216-073-00 METAL CHIP 1/10W R566 1-216-099-00 METAL CHIP 120K 1/10W R887 1-216-089-00 METAL CHIP 1/10W R567 1-216-295-00 METAL CHIP 1/10W R889 1-216-073-00 METAL CHIP...
  • Page 126 MB-77 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C510 1-163-021-91 CERAMIC CHIP 0.01uF C583 1-104-664-11 ELECT 47uF C511 1-163-222-11 CERAMIC CHIP 0.25PF 50V C590 1-126-935-11 ELECT 470uF C512 1-163-227-11 CERAMIC CHIP 10PF 0.5PF C591 1-104-664-11 ELECT 47uF C513 1-104-664-11 ELECT...
  • Page 127 MB-77 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C751 1-163-021-91 CERAMIC CHIP 0.01uF ! IC704 8-759-604-42 IC M5F79M08L C752 1-163-021-91 CERAMIC CHIP 0.01uF IC705 8-759-166-03 IC M50253PK C753 1-163-021-91 CERAMIC CHIP 0.01uF IC751 8-759-295-66 IC BA7653AF-E2 C754 1-104-664-11 ELECT 47uF...
  • Page 128 MB-77 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R515 1-216-041-00 METAL CHIP 1/10W R571 1-216-049-91 RES,CHIP 1/10W R516 1-216-041-00 METAL CHIP 1/10W R572 1-216-065-91 RES,CHIP 4.7K 1/10W R517 1-216-041-00 METAL CHIP 1/10W R573 1-216-051-00 METAL CHIP 1.2K 1/10W R518...
  • Page 129 MB-77 MJ-92 PS-418 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R664 1-216-097-91 RES,CHIP 100K 1/10W A-6794-578-A MJ-92 BOARD, COMPLETE R665 1-216-089-91 RES,CHIP 1/10W ********************** R666 1-216-113-00 METAL CHIP 470K 1/10W (Ref.No.4,000 series) R667 1-216-089-91 RES,CHIP 1/10W R668 1-216-089-91 RES,CHIP...
  • Page 130 PS-418 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < CAPACITOR > < IC > ! C101 1-104-705-11 FILM 0.1uF 250V ! IC141 8-759-189-48 IC PQ12RE11 ! C102 1-104-705-11 FILM 0.1uF 250V ! C103 1-107-414-11 ELECT(BLOCK) 220uF 400V <...
  • Page 131 RP-233 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-6791-684-A RP-233 BOARD, COMPLETE < CONNECTOR > ********************** (Ref.No.2,000 series) CN501 1-766-986-11 CONNECTOR, FFC/FPC 13P * CN502 1-564-029-00 PIN, CONNECTOR 4P < CAPACITOR > CN503 1-573-829-11 CONNECTOR, BOARD TO BOARD 15P CN701 1-766-724-11 CONNECTOR, BOARD TO BOARD 7P C503...
  • Page 132 RP-233 SW-323 TU-168 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R514 1-216-061-00 METAL CHIP 3.3K 1/10W < SWITCH > R515 1-216-081-00 METAL CHIP 1/10W R516 1-216-049-00 METAL CHIP 1/10W S451 1-571-977-11 SWITCH, TACTIL (REC) R517 1-216-057-00 METAL CHIP 2.2K 1/10W...
  • Page 133 TU-168 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < CONNECTOR > < TRANSISTOR > CN701 1-778-991-11 CONNECTOR, FFC/FPC 21P Q701 8-729-106-68 TRANSISTOR 2SD1615A-GP * CN702 1-564-005-11 PIN, CONNECTOR 6P Q752 8-729-421-19 TRANSISTOR UN2213 CN703 1-564-004-41 PIN, CONNECTOR 5P Q753 8-729-421-19 TRANSISTOR UN2213 * CN704...
  • Page 134 Ref. No. Part No. Description Remarks M102 X-4917-504-1 MOTOR ASSY (SELD) * M151 A-4699-134-A MOTOR (L) ASSY M902 1-698-409-14 MOTOR, DC (CAPSTAN) M903 X-3943-883-1 MOTOR ASSY, CAM S901 1-762-490-11 SWITCH, ROTARY (ENCODER) ************************************************************ ACCESSORIES & PACKING MATERIALS ******************************* 1-475-097-11 COMMANDER, STANDARD (RMT-V208) 1-542-314-11 MICROPHONE (F-VJ5303) 1-569-008-21 ADAPTOR, CONVERSION 2P 1-575-334-11 CORD, CONNECTION (1.5m STEREO AV CABLE)
  • Page 135 SLV-7700KME/7700KML Sony Corporation 98J1612-1D Printed in Japan ©1998.10 Home A&V Products Company 9-921-698-11 Published by Quality Assurance Dept. — 186 — (Osaki East)

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