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Sony SLV-GA30 Service Manual
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Sony SLV-GA30 Service Manual

Sony SLV-GA30 Service Manual

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SLV-GA30/GA40K/GA60/GA77K/GF90K
SERVICE MANUAL
G
j
S MECHANISM
Refer to the SERVICE MANUAL of VHS
MECHANICAL ADJUSTMENT
MECHANICAL ADJUSTMENTS. (9-921-647-11)
MICROFILM
Photo: SLV-GA77K
RMT-V254
for
SPECIFICATIONS
RMT-V254/V254A
Tourist Model
SLV-GA60/GA77K/GF90K
Philippine Model
VIDEO CASSETTE PLAYER
E Model
SLV-GA30/GA40K

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  • Page 1 SLV-GA30/GA40K/GA60/GA77K/GF90K RMT-V254/V254A SERVICE MANUAL E Model Tourist Model SLV-GA60/GA77K/GF90K Philippine Model SLV-GA30/GA40K Photo: SLV-GA77K RMT-V254 S MECHANISM Refer to the SERVICE MANUAL of VHS MECHANICAL ADJUSTMENT MECHANICAL ADJUSTMENTS. (9-921-647-11) SPECIFICATIONS VIDEO CASSETTE PLAYER 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 Abbreviation MJ: E, Tourist Model PL: Philippine Model MODEL (SLV-) GA30 GA40K GA60 GA77K GF90K FEATURES NTSC 3.58 REC/PB NTSC 4.43 REC/PB PAL REC/PB MESECAM REC/PB NTSC PB ON PAL TV REC MODE NTSC SP/EP SP/EP SP/LP SP/LP PLAY MODE NTSC SP/LP/EP SP/LP/EP...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS GENERAL INTERFACE, IC PIN FUNCTION DESCRIPTION Step 1 Unpacking ······································································ 1-1 Step 2 Setting up the remote commander ·································· 1-1 5-1. System Control — Video Block Interface Step 3 Connecting the unit ························································ 1-1 (MA-336 Board IC201) ··················································· 5-1 Step 4 Tuning your TV to the unit ·············································...

  • Page 5: General

    SLV-GA30/GA40K/GA60/GA77K/GF90K SECTION 1 This section is extracted from instruction manual.(SLV-GF90K model) GENERAL...
  • Page 11 1-7E...

  • Page 12: Disassembly

    SLV-GA30/GA40K/GA60/GA77K/GF90K SECTION 2 DISASSEMBLY NOTE: Follow the disassembly procedure in the numerical order given. 2-1. UPPER CASE, PANEL BLOCK ASSEMBLY 1 Tapping screw 3 Upper case 7 Flat cable (From CN206 on MA-335 board) 8 Flat cable (From CN201 on...

  • Page 13: Rear Panel

    2-3. REAR PANEL 3 Rear panel (Engaged by the hook.) Hooks 1 BVTP 3 × 12 Hooks Hooks 2 POWER code stopper 2-4. MA-336 BOARD 1 Sumitite (B3) +BV 2 MA-336 board with mechanism deck...

  • Page 14: Mechanism Deck

    2-5. MECHANISM DECK 2 Three connectors 5 BVTP 3 × 12 3 BVTP 3 × 12 9 Mechanism deck 8 MA-336 board 4 MD base (R) 7 MD base (M) 6 MD base (R)

  • Page 15: Internal Views

    2-6. INTERNAL VIEWS — Top View — M901 Drum Assembly DZH-91A-R 1-759-449-11 (GF90K) DZH-89A-R 1-759-453-11 (GA60/GA77K) DZH-71D-R 1-759-455-11 (GA30/GA40K) ACE head block assembly A-6759-620-A FE head 1-500-144-11 Pinch press block assembly A-6759-615-A Reel (T) table 3-977-508-01 Reel (S) table 3-977-507-01 FL complete assembly A-6759-619-B —...

  • Page 16: Circuit Boards Location

    2-7. CIRCUIT BOARDS LOCATION MJ-91 MA-336 (MIC JACK, AMP) VIDEO, AUDIO, [GA40K/GA77K/GF90K] SERVO/SYSTEM CONTROL, TUNER, POWER SUPPLY FR-140 (POWER, EJECT SWITCHES) JK-166 (LINE IN/OUT) [GA77K/GF90K] FR-142 (MODE CONTROL) SR-35 FR-141 (SURROUND) (TAPE OPERATION) [GA77K] 2-5E...
  • Page 35 SLV-GA30/GA40K/GA60/GA77K/GF90K MJ-91 (MIC JACK, AMP) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM — Ref. No. MJ-91 Board; 2,000 Series — MJ-91 MA-336 (MIC JACK, AMP) VIDEO, AUDIO, [GA40K/GA77K/GF90K] SERVO/SYSTEM CONTROL, TUNER, POWER SUPPLY FR-140 (POWER, EJECT SWITCHES) JK-166 (LINE IN/OUT) [GA77K/GF90K]...
  • Page 36 SLV-GA30/GA40K/GA60/GA77K/GF90K JK-166 (LINE IN/OUT) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM — Ref. No. JK-166 Board; 2,000 Series — MJ-91 1-671-809- MA-336 (MIC JACK, AMP) VIDEO, AUDIO, [GA40K/GA77K/GF90K] SERVO/SYSTEM CONTROL, TUNER, POWER SUPPLY FR-140 (POWER, EJECT SWITCHES) JK-166 (LINE IN/OUT) [GA77K/GF90K]...

  • Page 37: Interface, Ic Pin Function Description

    SLV-GA30/GA40K/GA60/GA77K/GF90K SECTION 5 INTERFACE, IC PIN FUNCTION DESCRIPTION...

  • Page 39: (Ma-336 Board Ic201)

    5-5. SERVO/SYSTEM CONTROL MICROPROCESSOR PIN FUNCTIONS (MA-336 BOARD IC201) Pin No. Pin Name Function REC PRF Erasing protection tab. cassette in detection. AVSS Analog circuit ground KEY1 I (A/D) Analog voltage (KEY) input 1. KEY2 I (A/D) Analog voltage (KEY) input 2. KEY3 I (A/D) Analog voltage (KEY) input 3.
  • Page 40 Pin No. Pin Name Function DOSC OUT DOSC OUT 2FSC 2FSC 2FSC IN 2FSC IN CSYNC Composite sync. signal input CAP RVS Capstan reverse control signal in FWD: H, REV: L TRACK. LED Auto tracking LED On: H, Off: L C.

  • Page 41: Mechanical Adjustments

    SLV-GA30/GA40K/GA60/GA77K/GF90K SECTION 6 ADJUSTMENTS 6-1 MECHANICAL ADJUSTMENTS 2-1-3. Set-up of Adjustment In this adjustment, PAL or NTSC pattern generator is connected with LINE input terminal. When check to tuner, connected AERIAL For the mechanical adjustments, please refer to the terminal. Check that the synchronizing signal of the Y signal has “VHS MECHANICAL ADJUSTMENT MANUAL...

  • Page 42: Input/Output Levels And Impedance

    2-1-5. Input/Output Levels and Impedance 2-2. POWER SUPPLY CHECK 2-2-1. Output Voltage Check (MA-336 Board) Video input: LINE IN Input signal: 1 Vp-p, 75 ohms, unbalanced, Mode sync negative Measuring Instrument Digital voltmeter Video output: LINE OUT +12 V Check Output signal: 1 Vp-p, 75 ohms, unbalanced, CN201 pin !º...

  • Page 43: Servo System Check

    2-3. SERVO SYSTEM CHECK 2-4. AUDIO SYSTEM ADJUSTMENT 2-3-1. RF Switching Position Adjustment • Adjust both L ch and R ch. (MA-336 Board) [Connecting Instruments] [Adjustment Purpose] To adjust the link of the A-ch and B-ch of the tape playback outputs. Audio line OUTPUT L/R To make the unit compatible with other tapes and units.

  • Page 44: Af Switching Position Adjustment (Ma-336 Board)

    1. AF Switching Position Adjustment 2-4-2. Normal Audio System Adjustment (MA-336 Board) • Make adjustment in the SP mode unless otherwise specified. Use [Adjustment Purpose] a normal VHS cassette for an adjustment tape. To adjust the link of the A-ch and B-ch of the tape playback outputs. •...

  • Page 48: Mechanism Deck Section-2

    7-1-4. MECHANISM DECK SECTION-2 #701 #702 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-3947-581-1 BRAKE ASSY,MAIN(T) 3-965-178-01 SPRING 3-977-462-01 SPRING,EXTENTION. (MAIN BRAKE) 3-969-632-04 BASE, DRUM X-3947-573-1 ARMASSY, PENDULUM A-6750-328-E SHUTTLE (T) BLOCK ASSY X-3947-580-2 BRAKE ASSY, MAIN(S) 3-977-501-01 PLATE, LUMINOUS 3-977-513-02 LEVER, REC.

  • Page 49: Mechanism Deck Section-3

    7-1-5. MECHANISM DECK SECTION-3 M902 #701 M903 #703 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-977-437-01 RETAINER,CAM MOTOR 3-977-439-01 GEAR, CAM X-3947-584-1 ASSY, REEL DIRECT 3-977-442-01 SLIDER 3-977-443-01 WASHER, STOPPER 3-977-455-01 GEAR, LOADING(T) 3-977-438-01 WORM - WHEEL 3-977-456-03 SPRING, TORSION (LOAD T) 3-977-506-01 ARM, LIMITTER SELECTION X-3947-579-1 LEVER ASSY, LOADING(T)

  • Page 50: Electrical Parts List

    FR-140 FR-141 FR-142 7-2. ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • CAPACITORS: • SEMICONDUCTORS parts list may be different from the parts uF: µF In each case, u: µ, for example: specified in the diagrams or the components •...
  • Page 51 FR-142 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < DIODE > R612 1-216-057-00 METAL CHIP 2.2K 1/10W R613 1-216-063-91 RES,CHIP 3.9K 1/10W D501 8-719-991-33 DIODE 1SS133T-77 (GA40K/GA77K/GF90K) R614 1-216-067-00 METAL CHIP 5.6K 1/10W D502 8-719-991-33 DIODE 1SS133T-77 (GA40K/GA77K/GF90K) (GA60/GA77K) D503...
  • Page 52 JK-166 MA-336 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-6794-639-A JK-166 BOARD, COMPLETE (GF90K) < CAPACITOR > ********************** C100 1-163-038-00 CERAMIC CHIP 0.1uF A-6794-641-A JK-166 BOARD, COMPLETE (GA77K) C101 1-126-162-11 ELECT 3.3uF C102 1-163-989-11 CERAMIC CHIP 0.033uF ********************** C103...
  • Page 53 MA-336 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C150 1-163-031-11 CERAMIC CHIP 0.01uF C263 1-163-038-00 CERAMIC CHIP 0.1uF C151 1-163-031-11 CERAMIC CHIP 0.01uF C264 1-163-237-11 CERAMIC CHIP 27PF C152 1-163-235-11 CERAMIC CHIP 22PF (GF90K) (GA30/GA40K) C264 1-163-239-11 CERAMIC CHIP 33PF...
  • Page 54 MA-336 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C334 1-126-157-11 ELECT 10uF C524 1-163-016-00 CERAMIC CHIP 0.0039uF 10% (GF90K) (GA40K/GA77K/GF90K) C351 1-126-157-11 ELECT 10uF C525 1-163-018-00 CERAMIC CHIP 0.0056uF 5% (GA77K/GF90K) (GA40K/GA77K/GF90K) C352 1-126-157-11 ELECT 10uF C526 1-163-259-91 CERAMIC CHIP...
  • Page 55 MA-336 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C806 1-124-584-00 ELECT 100uF < IC > C807 1-163-017-00 CERAMIC CHIP 0.0047uF 5% (GA30/GA40K) IC101 8-759-562-59 IC HA118211BF (EXCEPT GA30/GA40K) C808 1-163-038-00 CERAMIC CHIP 0.1uF IC101 8-759-568-04 IC HA118211BNF(GA30/GA40K) (EXCEPT GA30/GA40K) IC201...
  • Page 56 MA-336 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks JR041 1-216-296-00 METAL CHIP 1/8W < COIL > JR042 1-216-295-00 METAL CHIP 1/10W JR043 1-216-296-00 METAL CHIP 1/8W L101 1-414-189-31 INDUCTOR 100uH JR044 1-216-296-00 METAL CHIP 1/8W L102 1-414-189-31 INDUCTOR 100uH...
  • Page 57 MA-336 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks Q212 8-729-421-19 TRANSISTOR UN2213 (GF90K) R200 1-216-065-00 METAL CHIP 4.7K 1/10W Q213 8-729-421-19 TRANSISTOR UN2213 (GF90K) (EXCEPT GA30/GA40K) Q214 8-729-010-29 TRANSISTOR MSD601-RST1 R201 1-216-121-91 RES,CHIP 1/10W Q215 8-729-010-05 TRANSISTOR MSB709-RT1 R202...
  • Page 58 MA-336 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R248 1-247-807-31 CARBON 1/4W R301 1-216-065-00 METAL CHIP 4.7K 1/10W R249 1-216-182-00 RES,CHIP 1/8W (GF90K) R250 1-216-073-00 METAL CHIP 1/10W R302 1-216-065-00 METAL CHIP 4.7K 1/10W (GA77K) (GF90K) R252 1-216-049-00 METAL CHIP...
  • Page 59 MA-336 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R418 1-216-073-00 METAL CHIP 1/10W R565 1-216-081-00 METAL CHIP 1/10W R420 1-216-061-00 METAL CHIP 3.3K 1/10W (GA40K/GA77K/GF90K) (GA30/GA40K) R570 1-216-073-00 METAL CHIP 1/10W R420 1-216-065-00 METAL CHIP 4.7K 1/10W (GA40K/GA77K/GF90K)
  • Page 60 MA-336 MJ-91 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R801 1-249-412-11 CARBON 1/4W F A-6794-584-A MJ-91 BOARD, COMPLETE (GA40K) R802 1-216-190-00 RES,CHIP 1/8W ********************* (EXCEPT GA30/GA40K) R803 1-216-051-00 METAL CHIP 1.2K 1/10W A-6794-638-A MJ-91 BOARD, COMPLETE (GA77K/GF90K) (EXCEPT GA30/GA40K) ********************** R803...
  • Page 61 SR-35 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-6794-642-A SR-35 BOARD, COMPLETE (GA77K) < TRANSISTOR > ********************** Q701 8-729-424-67 TRANSISTOR UN2216 (Ref.No.:2,000 Series) Q702 8-729-424-67 TRANSISTOR UN2216 Q703 8-729-900-51 TRANSISTOR DTA114TK < CAPACITOR > Q704 8-729-424-67 TRANSISTOR UN2216 Q705...
  • Page 62 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks MISCELLANEOUS 3-864-834-11 MANUAL, INSTRUCTION (ENGLISH) (GF90K) 3-864-834-21 MANUAL, INSTRUCTION (ARABIC) (GF90K) ************* ! 12 1-777-851-41 CORD, POWER 3-864-836-11 MANUAL, INSTRUCTION (ENGLISH) (GA77K) 1-790-118-11 CABLE, FLAT (FJK-1) (GA77K/GF90K) 3-864-836-21 MANUAL, INSTRUCTION (ARABIC) (GA77K) 1-790-119-11 CABLE, FLAT (FFR-6) 3-864-837-11 MANUAL, INSTRUCTION (ENGLISH) (GA60) 1-790-120-11 CABLE, FLAT (FFR-7)
  • Page 63 SLV-GA30/GA40K/GA60/GA77K/GF90K Sony Corporation 98L16099-1D Printed in Japan ©1998.12 Home A&V Products Company 9-921-706-11 Published by Quality Assurance Dept. — 88 — (Osaki East)

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