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Sony SLV-ED1PL Service Manual

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SLV-ED1PL/ED4PL/ED7KR/ED8PL
SERVICE MANUAL
Ver 1.0 1998. 08
• Refer to the SERVICE MANUAL of VHS MECHANICAL
ADJUSTMENTS VI for MECHANICAL ADJUSTMENTS.
(9-921-647-11)
* The abbreviations of ED1, ED4, ED7 and ED8 contained in this service manual
are indicated when these models are common to all their corresponding mod-
els as given below.
Abbreviated
ED1
model name
ED1PL
All model
names
SLV-
System
Format
VHS NTSC standard
Video recording system
Rotary head helical scanning FM system
Video heads
Double azimuth two heads
Video signal
NTSC color, EIA standards
Tape speed
SP: 33.35 mm/s
EP: 11.11 mm/s
LP: 16.67 mm/s, playback only
Maximum recording
playback time
8 hrs. in EP mode (with T-160 tape)
Fast-forward and rewind time
Approx. 3 min. (with T-120 tape)
Tuner section
Channel coverage
VHF 2 to 13
UHF 14 to 69
CATV A-8 to A-1, A to W, W+1 to W+84
Antenna
75-ohm antenna terminal for VHF/UHF
MICROFILM
ED4
ED7
ED8
ED4PL
ED7KR
ED8PL
SPECIFICATIONS
Inputs and outputs
LINE-1 IN
VIDEO IN, phono jack (1)
Input signal: 1 Vp-p, 75 ohms, unbalanced,
sync negative
AUDIO IN, phono jack (1) (ED1/ED4)
AUDIO IN, phono jack (2) (ED7/ED8)
Input level: 327 mVrms
Input impedance: more than 47 kilohms
LINE-2 IN (ED7/ED8)
VIDEO IN, phono jack (1)
Input signal: 1 Vp-p, 75 ohms, unbalanced,
sync negative
AUDIO IN, phono jack (2)
Input level: 327mVrms
Input impedane: more than 47 kilohms
LINE OUT
VIDEO OUT, phono jack (1)
Output signal: 1 Vp-p, 75 ohms, unbal-
anced, sync negative
AUDIO OUT, phono jack (1) (ED1/ED4)
AUDIO OUT, phono jack (2) (ED7/ED8)
Standard output: 327 mVrms
Load impedance; 47 kilohms
Output impedance: less than 10 kilohms
Photo: SLV-ED1PL
Timer section
Clock
Timer indication
Timer setting
Power back-up
General
Power requirements
Power consumption
Operating temperature
Storage temperature
VIDEO CASSETTE RECORDER
RMT-V247B/V248
Korean Model
SLV-ED7KR
Philippine Model
SLV-ED1PL/ED4PL/ED8PL
S MECHANISM
G
Quartz locked
12-hour cycle
8 programs per month (max.)
Built-in self-charging capacitor
Back-up duration: up to 1 hour at a time
110 – 240 V AC, 50/60 Hz
19W (ED1/ED4)
22W (ED7/ED8)
5 ˚C to 40 ˚C
–20 ˚C to 60 ˚C
– Continued on next page –

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  • Page 1 Korean Model SLV-ED7KR Philippine Model Ver 1.0 1998. 08 SLV-ED1PL/ED4PL/ED8PL Photo: SLV-ED1PL S MECHANISM • Refer to the SERVICE MANUAL of VHS MECHANICAL ADJUSTMENTS VI for MECHANICAL ADJUSTMENTS. (9-921-647-11) * The abbreviations of ED1, ED4, ED7 and ED8 contained in this service manual are indicated when these models are common to all their corresponding mod- els as given below.

  • Page 2: Feature Difference

    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 PUB- LISHED BY SONY.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Section Title Page Section Title Page Feature Difference ..............2 INTERFACE, IC PIN FUNCTION DESCRIPTION SERVICE NOTE ..............4 5-1. System Control-Video Block Interface (MA-323 board IC161) ..........5-1 GENERAL 5-2. System Control-Servo Peripheral Circuit Interface (MA-323 board IC161) ..........5-1 Getting Started ..............

  • Page 4: Service Note

    SERVICE NOTE 1. DISASSEMBLY • This set can be disassembled in the order shown below. Note: Pages in indicated pages in the SERVICE MANUAL. Pages in indicated pages in the VHS MECHANICAL ADJUSTMENT MANUAL VI. Upper case (Page 2-1) Front Panel Pinch Press Ground Shaft Rear...

  • Page 5: General

    SLV-ED1/ED4/ED7/ED8 SECTION 1 This section is extracted from SLV- GENERAL ED1PL instruction manual.
  • Page 14 1-10 E 1-10...

  • Page 15: Disassembly

    SLV-ED1/ED4/ED7/ED8 SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. 2-1. UPPER CASE REMOVAL 2-3. REAR PANEL REMOVAL 7 Rear panel 3 Upper case 6 Two claws 1 Two tapping screws 2 Two tapping screws 1 Power cord 2 Harness 4 Claw 3 Claw...

  • Page 16: Power Block Removal

    2-5. POWER BLOCK REMOVAL 2-7. MA-323 BOARD REMOVAL 2 Power cord 1 Five screws (CN101) (B3) 3 Two screws (B3) 2 MA-323 board 4 Power block 1 Connector (CN600) ED4/ED7/ED8 2-6. MECHANISM DECK REMOVAL 4 Connector 5 Connector (ACE head ) (FE head ) 9 Two screws (BVTP3 ×...

  • Page 17: Internal Views

    2-8. INTERNAL VIEWS Drum assembly (M901) (DZH-71D-R) 1-759-455-11 (ED1) Drum assembly (M901) (DZH-73D/Z-RP) 8-839-036-04 (ED4) Drum assembly (M901) (DZH-94A/ZRP-R) 8-839-044-02 (ED7/ED8) ACE head assembly A-6759-620-A FE head 1-500-144-11 D102 Tape top/end LED 8-719-048-26 Q100 Tape top sensor 8-729-043-84 Q101 Tape end sensor 8-729-043-84 Drum assembly (M901) (DZH-71D-R) 1-759-455-11 (ED1)

  • Page 18: Circuit Boards Location

    2-9. CIRCUIT BOARDS LOCATION MA-323 VIDEO, AUDIO, I/O, POWER BLOCK (HS-921SF) SERVO/SYSTEM CONTROL, TUNER (POWER SUPPLY) DS-80 (MODE CONTROL) ED4/ED7/ED8 MA-323 VIDEO, AUDIO, I/O, NK-11 (ED7) SERVO/SYSTEM CONTROL, TUNER (KOREAN STEREO) MF-312 MODE CONTROL, FRONT IN POWER BLOCK (HS-921SF1)(ED4) POWER BLOCK (SR-708) (ED7/ED8) DM-76 (POWER SUPPLY) (MODE CONTROL)

  • Page 19: Block Diagrams

    SLV-ED1/ED4/ED7/ED8 SECTION 3 BLOCK DIAGRAM 3-1. OVERALL BLOCK DIAGRAM...

  • Page 20: Video1 Block Diagram

    SLV-ED1/ED4/ED7/ED8 3-2. VIDEO1 BLOCK DIAGRAM IC501 @™ PB 800m Vp-p (H) IC501 @• REC 100m Vp-p (H) IC501 !¶ REC/PB 5.2 Vp-p (2 V) IC501 !• REC/PB IC501 4 REC IC501 @¡ REC 2.8 Vp-p (H) 2.2 Vp-p (H) 4.6 Vp-p (2 V)

  • Page 21: Video2 Block Diagram

    SLV-ED1/ED4/ED7/ED8 3-3. VIDEO2 BLOCK DIAGRAM IC202 8 REC/PB IC201 &¡ REC/PB IC202 5 REC/PB IC202 1 REC/PB IC201 4 REC/PB IC201 &¶ REC/PB 360m Vp-p (H) REC: 250m Vp-p (H) REC: 400m Vp-p (H) 560m Vp-p (H) REC: 470m Vp-p (H) 440m Vp-p (H) PB: 300m Vp-p (H) PB: 500m Vp-p (H)

  • Page 22: Servo/System Control Block Diagram

    SLV-ED1/ED4/ED7/ED8 3-4. SERVO/SYSTEM CONTROL BLOCK DIAGRAM IC161 #ª REC/PB IC161 ^ª REC/PB IC161 #• REC/PB 4.2 Vp-p (360 Hz) 4.7 Vp-p (2 V) 2.2 Vp-p (32.768 kHz) IC161 &™ REC/PB 3.2 Vp-p (10 MHz) IC161 $º REC/PB 4 Vp-p (1 kHz) IC161 #¡...

  • Page 23: Audio Block Diagram

    SLV-ED1/ED4/ED7/ED8 3-5. AUDIO BLOCK DIAGRAM 3-10...

  • Page 24: Tuner Block Diagram

    SLV-ED1/ED4/ED7/ED8 3-6. TUNER BLOCK DIAGRAM IC1 !§ REC/PB 740m Vp-p (24.576 MHz) 3-11 3-12...

  • Page 25: Mode Control Block Diagram

    SLV-ED1/ED4/ED7/ED8 3-7. MODE CONTROL BLOCK DIAGRAM 3-13 3-14...

  • Page 26: Power Block Diagram

    SLV-ED1/ED4/ED7/ED8 3-8. POWER BLOCK DIAGRAM 3-15 3-16 E...

  • Page 27: Printed Wiring Boards And Schematic Diagrams

    SLV-ED1/ED4/ED7/ED8 SECTION 4 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS For schematic Diagram: THIS NOTE IS COMMON FOR PRINTED WIRING • Caution when replacing chip parts. BOARDS AND SCHEMATIC DIAGRAMS. New parts must be attached after removal of chip. (In addition to this, the necessary mote is printed Be careful not to heat the minus side of tantalum capacitor, in each block.) because it is damaged by the heat.

  • Page 28: Frame Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 4-1. FRAME SCHEMATIC DIAGRAM FRAME...

  • Page 29: Head Amp) Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 4-2. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAMS MA-323 (HEAD AMP) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – • Waveforms 2 IC501 @• REC 3 IC501 @™ PB 4 IC501 @¡...
  • Page 30 SLV-ED1/ED4/ED7/ED8 MA-323 BOARD CN101 F-12 Q100 F-11 CN102 Q101 CN103 Q102 CN104 H-12 Q103 CN105 I-13 Q105 CN161 I-12 Q201 CN301 Q202 CN302 Q204 CN341 C-12 Q205 CN423 D-12 Q207 CN424 Q208 CN501 Q209 CN502 B-10 Q210 CN600 Q301 CN751 H-13 Q302 Q303...
  • Page 31 SLV-ED1/ED4/ED7/ED8 MA-323 (HEAD AMP, VIDEO, AUDIO, IO, SERVO/SYSTEM CONTROL, TUNER) PRINTED WIRING BOARD There are few cases that the part isn't mounted in this model is printed on this diagram. – Ref. No.: MA-323 board; 2,000 series – LINE-1 IN/LINE OUT AUDIO RF UNIT VHF/UHF...

  • Page 32: Video, Audio) Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 MA-323 (VIDEO, AUDIO) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – AUDIO SEARCH OUT AUDIO BYPASS Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
  • Page 33 SLV-ED1/ED4/ED7/ED8 • Waveforms 1 IC201 4 PB 6 IC202 1 REC/PB !¡ IC201 ^º REC 840m Vp-p (H) REC: 400m Vp-p (H) 1 Vp-p (H) PB : 500m Vp-p (H) 2 IC201 6 REC 7 IC202 5 REC/PB !™ IC201 %¶ REC/PB 400m Vp-p (H) 360m Vp-p (H) 2.2 Vp-p (H)
  • Page 34 SLV-ED1/ED4/ED7/ED8 • Waveforms 1 IC161 @¢ REC/PB 6 IC161 $º REC/PB 4.9 Vp-p (2 V) 4 Vp-p (1 kHz) 2 IC161 #¡ REC 7 IC161 $£,$∞ REC/PB 5 Vp-p (2 V) 2 Vp-p (H) 3 IC161 #™ REC 8 IC161 %™ REC/PB 5 Vp-p (2 V) 2.4 Vp-p (14.318 MHz) 4 IC161 #•...

  • Page 35: System Control) Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 MA-323 (SYSTEM CONTROL) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – SYSTEM CONTOROL MA-323 (3/10) 4-15 4-16...

  • Page 36: Servo Control) Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 MA-323 (SERVO CONTROL) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.

  • Page 37: Hi-Fi Audio) Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 MA-323 (Hi-Fi AUDIO) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – – SLV-ED7/ED8 – Hi-Fi AUDIO MA-323 (5/10) 4-19 4-20...

  • Page 38: Io) Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 MA-323 (IO) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – MA-323 (6/10) 4-21 4-22...

  • Page 39: Tuner) Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 MA-323 (TUNER) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – TUNER MA-323 (7/10) 4-23 4-24...

  • Page 40: Mode Control) Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 MA-323 (MODE CONTROL) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – MODE CONTROL MA-323 (8/10) 4-25 4-26...

  • Page 41: Fl Driver) Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 MA-323 (FL DRIVER) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – FL DRIVER MA-323 (9/10) 4-27 4-28...

  • Page 42: Ma-323 (Power Supply) Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 MA-323 (POWER SUPPLY) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-323 board; 2,000 series – Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.

  • Page 43: Printed Wiring Board And Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 DS-80 (MODE CONTROL) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM – Ref. No.: DS-80 board; 2,000 series – DS-80 – SLV-ED1 – BOARD MA-323 VIDEO, AUDIO, I/O, POWER BLOCK (HS-921SF) SERVO/SYSTEM CONTROL, TUNER (POWER SUPPLY) STOP PLAY DS-80 (MODE CONTROL) (12) 1-669-810- MODE CONTROL...

  • Page 44: Printed Wiring Board And Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 NK-11 (KOREAN STEREO) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM – Ref. No.: NK-11 board; 1,000 series – – SLV-ED7 – There are few cases that the part isn't mounted in this model is printed on this diagram. NK-11 NK-11 BOARD(SIDE A) BOARD(SIDE B) 1-669-815-...

  • Page 45: Dm-76,

    SLV-ED1/ED4/ED7/ED8 DM-76 (MODE CONTROL), MF-312 (MODE CONTROL, FRONT IN) PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS – Ref. No.: DM-76 board, MF-312 board; 1,000 series – – SLV-ED4/ED7/ED8 – There are few cases that the part isn't mounted in this model is printed on this diagram. DM-76 BOARD PAUSE...

  • Page 46: Printed Wiring Board

    SLV-ED1/ED4/ED7/ED8 HS-921SF/921SF1 (POWER SURRLY) PRINTED WIRING BOARD There are few cases that the part isn't mounted in this model is printed on this diagram. – Ref. No.: HS-921SF/921SF1 board; 3,000 series – – SLV-ED1/ED4 – MA-323 HS-921SF/921SF1 BOARD VIDEO, AUDIO, I/O, POWER BLOCK (HS-921SF) SERVO/SYSTEM CONTROL, TUNER (POWER SUPPLY)

  • Page 47: Schematic Diagram

    SLV-ED1/ED4/ED7/ED8 HS-921SF/921SF1 (POWER SUPPLY) SCHEMATIC DIAGRAM – Ref. No.: HS-921SF/921SF1 board; 3,000 series – – SLV-ED1/ED4 – HS-921SF/921SF1 BOARD D401 T101 10ELS4 C109 C401 R102 47µF 0.047µF 630V L103 D301 L301 S2LA20 22µH CN201 9P D102 C110 C303 EG01 68pF 0.01µF C301 C302...
  • Page 48 SLV-ED1/ED4/ED7/ED8 SR-708 (POWER SUPPLY) PRINTED WIRING BOARD – Ref. No.: SR-708 board; 4,000 series – – SLV-ED7/ED8 – There are few cases that the part isn't mounted in this model is printed on this diagram. SR-708 BOARD CN101 CN201 D101 D102 D103 D104...
  • Page 49 SLV-ED1/ED4/ED7/ED8 SR-708 (POWER SUPPLY) SCHEMATIC DIAGRAM – Ref. No.: SR-708 board; 4,000 series – – SLV-ED7/ED8 – SR-708/718 BOARD R201 D201 T101 EG01C 1/2W R102 C110 R209 C201 0.01µF 47µF 400V IC101 SWITCH L202 D202 10µH RL4Z IC101 MIP184 D105 EG01C CN201 9P C203...

  • Page 50: System Control-Video Block Interface (Ma-323 Board Ic161)

    5-1. SYSTEM CONTROL – VIDEO BLOCK INTERFACE (MA-323 BOARD IC161) STOP/ TAPE TAPE REC • REC • × 2 Signal Pin No. THREAD- UNTHREAD- SLOW REVIEW PAUSE PAUSE RF SWP MA-323 (SW30) IC161@¢ MA-323 IC161@¶ MA-323 C SYNC IC161%¢ ∗1. 30 Hz pulse with 50% duty cycle. Synchronized with rotation of drum. ∗2.

  • Page 51: System Control-Mechanism Block Interface (Ma-323 Board Ic161)

    5-3. SYSTEM CONTROL – MECHANISM BLOCK INTERFACE (MA-323 BOARD IC161) TAPE TAPE CASSETTE CASSETTE PB • REC • × 2 Signal Pin No. EJECTED THREAD- UNTHREAD- STOP SLOW REVIEW LOADING UNLOADING PAUSE PAUSE MA-323 Hi-Z IC161*£ MA-323 MODE 1 IC161*¢ MA-323 MODE 2 IC161*∞...

  • Page 52: System Control-Audio Block Interface (Ma-323 Board Ic161)

    5-4. SYSTEM CONTROL – AUDIO BLOCK INTERFACE (MA-323 BOARD IC161) STOP/ TAPE TAPE PB • PB • × 2 Signal Pin No. SLOW REVIEW LOADING UNLOADING PAUSE PAUSE MA-323 AU RF AF RF envelope signal input terminal for automatic tracking. IC161!¢...

  • Page 53: Servo/System/Tuner/Timer Control Microprocessor Pin Function (Ma-323 Board Ic161)

    5-5. SERVO/SYSTEM/TIMER/TUNER CONTROL MICROPROCESSOR PIN FUNCTION (MA-323 BOARD IC161) Pin No. Pin Name Function Pin No. Pin Name Function F MONO TUNER Audio select signal DOSC-OUT OSD dot clock oscillator (output) AN GND – Analog Ground 4FSC-OUT OSD 4fsc oscillator terminal (output) APC ERROR APC ERROR Voltage input 4FSC-IN...

  • Page 54: Korean Stereo Processor Pin Function (Nk-11 Board Ic1)

    5-6. KOREAN STEREO PROCESSOR PIN FUNCTION (NK-11 BOARD IC1) Pin. No. Pin Name Function OUTL Analog output left OUTR Analog output right VDDA1 – Analog power supply; DAC circuitry VSSA1 – Analog ground; DAC circuitry VSSD1 – Digital ground; DAC circuitry VDDD1 –...

  • Page 55: Error Codes

    SLV-ED1/ED4/ED7/ED8 SECTION 6 ERROR CODES Table 6-2. Mode Codes in Case of Error This set displays an error code, and a mode code in case of error on the display tube, if the operation stopped by error. Code Description The following provides description concerned. EJECT (POWER ON) Display tube (lower 5 digits) EJECT (POWER OFF)

  • Page 56: Adjustments

    SLV-ED1/ED4/ED7/ED8 SECTION 7 ADJUSTMENTS 2-1-3. Set-up of Adjustment During the adjustment, see the Parts Arrangement In this adjustment, NTSC pattern generator is connected with LINE Diagram for Adjustments on Page 7-6. input signal terminal. When check to tuner, connected AERIAL terminal.

  • Page 57: Adjusting Sequence

    2-1-6. Adjusting Sequence 2-3. SERVO SYSTEM Adjustment Make the electrical adjustment in the following sequence. 2-3-1. RF Switching Position Adjustment Checking power supply (MA-323 Board) Purpose: Adjust the interval between A ch and B ch of tape playback out- put. Servo system adjustment Improve the interchangeability with other tapes and sets.

  • Page 58: Audio System Adjustments

    2-4. AUDIO SYSTEM ADJUSTMENTS RF SWP • Adjust both Lch and Rch. [Connection] Audio Audiolevel meter or generator distortion meter 600 Ω 47 kΩ Attenuator AUDIO LINE IN Feed signal both AUDIO LINE OUT channelssimultaneously. Fig. 7-2-5. Fig. 7-2-4. 2. Frequency Responce Check 2-4-1.

  • Page 59: Overall S/N Check

    3. Overall Level Characteristic and Distortion Factor 2-4-2. Normal Audio System Adjustment Check • Make adjustment in the SP mode, unless otherwise specified. Purpose: Use a normal VHS cassette for an adjustment tape. Check the record level, play level, and distortion factor against the •...

  • Page 60: Overall S/N Check

    4. Overall Level Characteristic and Distortion Factor 2-5. TUNER SYSTEM ADJUSTMENT 2-6. PARTS ARRANGEMENT DIAGRAM FOR ADJUSTMENTS Check Purpose: [Connection] MA-323 BOARD (Side A) Check the record level, play level, and distortion factor against the reference input. Audio level CN501 meter Up channel Mode...

  • Page 61: Repair Parts List

    4-921-277-41 SCREW (B2.6X8), TAPPING, BIND 3-953-432-01 SPRING (GE), FL 3-988-080-51 CASE, UPPER 3-979-467-11 DOOR, CASSETTE 3-710-901-11 SCREW, TAPPING 3-943-995-01 EMBLEM (NO.5), SONY 1-783-567-11 CABLE, FLAT (FDS-4) X-3946-598-1 BUTTON ASSY, FUNCTION 1-475-613-11 COMMANDER, STANDARD (RMT-V248) A-6794-527-A DS-80 MOUNT 3-709-322-01 COVER, BATTERY (for RMT-V248)

  • Page 62: Chassis Assembly (Ed1)

    8-1-2. CHASSIS ASSEMBLY (ED1) supplied supplied supplied supplied The components identified by mark ! or dotted line with mark ! are criti- cal for safety. Replace only with part number speci- fied. Ref. No. Part No. Description Remark Ref. No. Part No.

  • Page 63: Front Panel And Cabinet Assemblies

    A-6791-575-A MF-312 BOARD, COMPLETE (ED4) 3-987-899-01 DOOR, CASSETTE, (P) * 113 A-6791-589-A MF-312 BOARD, COMPLETE (ED7/ED8) 3-953-432-01 SPRING (GE), FL 1-783-568-11 CABLE, FLAT (FMF-23) 3-943-995-01 EMBLEM (NO.5), SONY 3-710-901-11 SCREW, TAPPING * 106 3-977-160-01 INSULATOR * 116 3-977-136-21 CASE, UPPER...

  • Page 64: Chassis Assembly (Ed4/Ed7/Ez8)

    8-1-4. CHASSIS ASSEMBLY (ED4/ED7/ED8) supplied supplied supplied supplied supplied The components identified by mark ! or dotted line with mark ! are criti- cal for safety. Replace only with part number speci- fied. Ref. No. Part No. Description Remark Ref. No. Part No.

  • Page 65: Mechanism Chassis Assembly (1)

    8-1-5. MECHANISM CHASSIS ASSEMBLY (1) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-977-509-01 WASHER, THRUST 3-977-514-01 OPENER, LID 3-977-507-01 TABLE, REEL (S) 3-977-441-01 GEAR, PINCH PRESSING 3-977-508-01 TABLE, REEL (T) 3-977-445-01 GEAR, TG8 ARM DRIVING 1-500-144-11 HEAD, FE 3-977-465-01 SPRING, EXTENSION (RVS BRAKE) 3-977-495-01 SHAFT TG2...

  • Page 66: Mechanism Chassis Assembly (2)

    8-1-6. MECHANISM CHASSIS ASSEMBLY (2) ED4/ED7/ED8 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 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 ARM ASSY, 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 67: Mechanism Chassis Assembly (3)

    8-1-7. MECHANISM CHASSIS ASSEMBLY (3) M902 M903 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 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 68: Electrical Parts List

    DM-76 DS-80 MA-323 8-2. ELECTRICAL PARTS LIST NOTE: The components identified by • Due to standardization, replacements in the • Items marked “*” are not stocked since they mark ! or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 69 MA-323 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C129 1-163-809-11 CERAMIC CHIP 0.047uF C237 1-126-157-11 ELECT 10uF C131 1-128-499-11 ELECT 220uF C238 1-117-720-11 CERAMIC CHIP 4.7uF C239 1-163-038-00 CERAMIC CHIP 0.1uF C133 1-164-232-11 CERAMIC CHIP 0.01uF C240 1-163-038-00 CERAMIC CHIP...
  • Page 70 MA-323 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C335 1-126-933-11 ELECT 100uF C380 1-104-913-11 TANTAL. CHIP 10uF (ED7/ED8) (ED7/ED8) C381 1-124-589-11 ELECT 47uF C336 1-124-589-11 ELECT 47uF (ED7/ED8) C337 1-137-612-11 FILM 0.0068uF 5% 100V C382 1-163-016-00 CERAMIC CHIP 0.0039uF 10% (ED7/ED8)
  • Page 71 MA-323 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C518 1-164-232-11 CERAMIC CHIP 0.01uF < CONNECTOR > C519 1-124-584-00 ELECT 100uF C520 1-117-720-11 CERAMIC CHIP 4.7uF * CN101 1-568-954-11 PIN, CONNECTOR 5P (ED4/ED7/ED8) C521 1-164-004-11 CERAMIC CHIP 0.1uF CN102 1-779-723-11 CONNECTOR, BOARD TO BOARD 9P...
  • Page 72 MA-323 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC201 8-759-562-55 IC HA118503F JR213 1-216-296-00 METAL CHIP 1/8W IC202 8-759-479-53 IC MSM7470-76MS-KR1 JR214 1-216-296-00 METAL CHIP 1/8W IC203 8-759-295-66 IC BA7653AF-E2 (ED7/ED8) JR215 1-216-296-00 METAL CHIP 1/8W IC340 8-759-486-92 IC LA7256 (ED7/ED8)
  • Page 73 MA-323 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JS404 1-216-295-00 METAL CHIP 1/10W L501 1-414-940-21 INDUCTOR 100uH (ED4/ED7/ED8) L502 1-414-940-21 INDUCTOR 100uH L600 1-414-938-21 INDUCTOR 47uH JS603 1-216-296-00 METAL CHIP 1/8W L601 1-410-509-11 INDUCTOR 10uH JS604 1-216-296-00 METAL CHIP 1/8W...
  • Page 74 MA-323 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q701 8-729-106-68 TRANSISTOR 2SD1615A-GP R145 1-249-421-11 CARBON 2.2K 1/4W Q703 8-729-010-29 TRANSISTOR MSD601-RST1 (ED7) F(ED1) Q754 8-729-421-19 TRANSISTOR UN2213 (ED8) R146 1-216-059-00 METAL CHIP 2.7K 1/10W Q901 8-729-010-05 TRANSISTOR MSB709-RT1 R147 1-216-065-00 METAL CHIP...
  • Page 75 MA-323 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R213 1-216-065-00 METAL CHIP 4.7K 1/10W R326 1-249-429-11 CARBON 1/4W (ED1) R215 1-259-880-11 CARBON 2.2M 1/4W R327 1-216-073-00 METAL CHIP 1/10W R216 1-216-089-00 METAL CHIP 1/10W R330 1-216-083-00 METAL CHIP 1/10W R217...
  • Page 76 MA-323 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R414 1-216-121-91 RES, CHIP 1/10W R725 1-216-077-00 METAL CHIP 1/10W R421 1-216-049-00 METAL CHIP 1/10W (ED7) R422 1-216-049-00 METAL CHIP 1/10W R423 1-216-049-00 METAL CHIP 1/10W R726 1-216-075-00 METAL CHIP 1/10W R424...
  • Page 77 MA-323 MF-312 NK-11 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S118 1-692-431-21 SWITCH, TACTILE (INPUT SELECT) R480 1-216-022-00 METAL CHIP 1/10W S119 1-692-431-21 SWITCH, TACTILE (CHANNEL -)(ED4/ED7/ED8) (ED7/ED8) S120 1-692-431-21 SWITCH, TACTILE (ONE TOUCH TUNING) (ED1) R490 1-216-295-00 METAL CHIP 1/10W...
  • Page 78 NK-11 POWER BLOCK Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC LINK > 1-468-311-21 POWER BLOCK (SR-708) (ED7/ED8) ******************** ! PS001 1-576-122-21 LINK, IC CCP2E10 (0.4A) (Ref.No. 4,000 Series) < RESISTOR > < CAPACITOR > R001 1-216-071-00 METAL CHIP 8.2K...
  • Page 79 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-475-616-31 COMMANDER, STANDARD (RMT-V247B)(ED7/ED8) 1-569-008-21 ADAPTOR, CONVERSION 2P (ED1/ED4/ED8) 1-696-592-11 CORD, CONNECTION (NTSC) 3-709-133-11 COVER, BATTERY (for RMT-V247B) (ED7/ED8) 3-709-322-01 COVER, BATTERY (for RMT-V248) (ED1/ED4) 3-861-813-11 MANUAL, INSTRUCTION (KOREAN) (ED7) 3-861-815-11 MANUAL, INSTRUCTION (ENGLISH) (ED8) 3-861-816-11 MANUAL, INSTRUCTION (ENGLISH) (ED4) 3-861-817-11 MANUAL, INSTRUCTION (ENGLISH) (ED1)
  • Page 80 SLV-ED1/ED4/ED7/ED8 Sony Corporation 98H05060-1 Printed in Japan © 1998. 8 9-921-694-11 Home A&V Products Company Published by General Engineering Dept. – 116 – (Osaki East)

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