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Sony SLV-ED8KR Service Manual

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3 7 63 1515 0
SERVICE MANUAL
• Refer to the SERVICE MANUAL of VHS MECHANICAL
ADJUSTMENTS VI for MECHANICAL ADJUSTMENTS.
(9-921-647-11)
* The abbreviations of ED8 and ED9 contained in this service manual are indi-
cated when these models are common to all their corresponding models as
given below.
Abbreviated
ED8
model name
All model
TE
L 13942296513
names
ED8KR
SLV-
www
.
MICROFILM
http://www.xiaoyu163.com
SLV-ED8KR/ED9KR
ED9
ED9KR
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Photo: SLV-ED8KR
Q Q
3
6 7
1 3
1 5
SPECIFICATIONS
VIDEO CASSETTE RECORDER
co
.
9 4
2 8
RMT-V244/V246
Korean Model
S MECHANISM
G
0 5
8
2 9
9 4
2 8
– Continued on next page –
m
9 9
9 9

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  • Page 1 3 7 63 1515 0 RMT-V244/V246 SERVICE MANUAL Korean Model S MECHANISM Photo: SLV-ED8KR • Refer to the SERVICE MANUAL of VHS MECHANICAL ADJUSTMENTS VI for MECHANICAL ADJUSTMENTS. (9-921-647-11) * The abbreviations of ED8 and ED9 contained in this service manual are indi- cated when these models are common to all their corresponding models as given below.
  • Page 2 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

    http://www.xiaoyu163.com 3 7 63 1515 0 TABLE OF CONTENTS Section Title Page Section Title Page SERVICE NOTE ..............4 INTERFACE, IC PIN FUNCTION DESCRIPTION 5-1. System Control-Video Block Interface GENERAL (MA-325 board IC161) ..........5-1 5-2. System Control-Servo Peripheral Circuit Interface Getting Started ..............

  • Page 4: Service Note

    http://www.xiaoyu163.com 3 7 63 1515 0 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...

  • Page 5: General

    SLV-ED8/ED9 SECTION 1 This section is extracted from SLV-ED8KR 3 7 63 1515 0 GENERAL instruction manual (3-861-812-11). L 13942296513 u163 http://www.xiaoyu163.com...
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  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 1-10 http://www.xiaoyu163.com...
  • Page 15 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 1-11 http://www.xiaoyu163.com...
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 1-12 http://www.xiaoyu163.com...
  • Page 17 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 1-13 1-13 E http://www.xiaoyu163.com...

  • Page 18: Disassembly

    http://www.xiaoyu163.com SLV-ED8/ED9 SECTION 2 DISASSEMBLY 3 7 63 1515 0 Note: Follow the disassembly procedure in the numerical order given. 2-1. UPPER CASE REMOVAL 2-3. REAR PANEL REMOVAL 3 Upper case 8 Rear panel 1 Two connectors 1 Two tapping screws (CN101, 901) 3 Harness 7 Claw...

  • Page 19: Board Removal (Ed9)

    http://www.xiaoyu163.com 3 7 63 1515 0 2-5. FR-137, DM-77, SW-307, IO-64 BOARD 2-7. FR-137, DM-77, IO-64 BOARD REMOVAL (ED9) REMOVAL (ED8) !¡ SW-307 board 3 FR-137 board 4 FR-137 board 7 Screw 7 Four screws 0 Two screws (B2.6 × 8) (B2.6 ×...

  • Page 20: Power Block Removal

    http://www.xiaoyu163.com 3 7 63 1515 0 2-9. POWER BLOCK REMOVAL 1 Power cord 2 Two screws (B3) 3 Power block L 13942296513 2-10. PS-414, MA-325 BOARD REMOVAL 5 Three screws (B3) 6 MA-325 board 2 Three screws 4 Screw (B3) (B3) 1 Connector (CN162)

  • Page 21: Internal Views

    http://www.xiaoyu163.com 3 7 63 1515 0 2-11. INTERNAL VIEWS Drum assembly (M901) (DZH-94A/ZRP) 8-839-044-02 FE head Q101 1-500-144-11 Tape top sensor 8-729-043-84 Q100 Tape end sensor 8-729-043-84 D102 Tape top/end LED L 13942296513 8-719-048-26 Drum assembly (M901) (DZH-94A/ZRP) M902 8-839-044-02 Capstan motor 1-698-971-11 u163...

  • Page 22: Circuit Boards Location

    http://www.xiaoyu163.com 3 7 63 1515 0 2-12. CIRCUIT BOARDS LOCATION MA-325 RJ-79 VIDEO, AUDIO, I/O, (ADDITIONAL REAR OUT) SERVO/SYSTEM CONTROL, TUNER NK-11 POWER BLOCK (KOREAN STEREO) (SR-718) (SWITCHING REGULATOR) SW-307 (ED9) (POWER SWITCH) IO-64 L 13942296513 PS414 (FRONT IN) (POWER SUPPLY) FR-137 FL DRIVE, MODE CONTROL...

  • Page 23: Block Diagrams

    http://www.xiaoyu163.com SLV-ED8/ED9 SECTION 3 BLOCK DIAGRAMS 3 7 6 3 1 5 1 5 0 3-1. OVERALL BLOCK DIAGRAM LINE-1 OUT MA-325 BOARD Q901 CNJ901 (SEE PAGE 4-5~4-28) VIDEO BUFFER VIDEO HEAD IC501 M901 IC201 AUDIO L (2/2) IC401 S701 IC161 DRUM MOTOR Q401...

  • Page 24: Video1 Block Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 3 7 6 3 1 5 1 5 0 3-2. VIDEO1 BLOCK DIAGRAM IC501@™ PB MA-325 BOARD (1/5) (SEE PAGE 4-5) 640mVp-p (H) IC501 IC501 @• REC IC501 @¡ REC/PB VIDEO REC/PB AMP VIDEO CN502 HEAD SP CH1 F SP CH1 S 88mVp-p (H) 4.6Vp-p (2V)

  • Page 25: Video2 Block Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 3-3. VIDEO2 BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 IC201 $™ REC/PB IC201 $• REC/PB IC202 7 REC/PB IC202!£ REC/PB REC:440mVp-p(H) REC:320mVp-p(H) 400mVp-p(H) REC:360mVp-p (H) PB:400mVp-p(H) PB:270mVp-p(H) PB:270mVp-p(H) MA-325 BOARD (2/5) IC201 (1/2) (SEE PAGE 4-11,4-23,4-25) Y/C PROCESS IC202 CCD DELAY...

  • Page 26: Servo/System Control Block Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 3-4. SERVO/SYSTEM CONTROL BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 MA-325 BOARD (3/5) (SEE PAGE 4-15,4-17,4-19) IC161 MTR 12V SERVO/SYSTEM CN101 CONTROL MTR 12V IC101 (1/2) OUTPUT DRUM ERROR DRIVER INTEGRATOR CN105 DRUM VS DRUM DA SI 0 IC161 ^•REC/PB...

  • Page 27: Audio Block Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 3-5. AUDIO BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 MA-325 BOARD (4/5) (SEE PAGE 4-11,4-19,4-21,4-25) CN301 IC071 MONO IC201 (2/2) AUDIO HEAD HEAD SW NORMAL AUDIO PROCESS A-H SW REC:EP PB:EP T081, Q081 AUDIO BIAS ERASE ERASE HEAD Q301...

  • Page 28: Tuner Block Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 3-6. TUNER BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 MA-325 BOARD (5/5) (SEE PAGE 4-27) TU701 VHF/UHF 10 11 12 6 22 2 18 SYSTEM TV/VTR CONTROL (SEE PAGE 3-8) S701 RF UNIT 3 CH CN105 PLL CLK 4 CH...

  • Page 29: Mode Control Block Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 3-7. MODE CONTROL BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 SW-307 BOARD FR-137 BOARD (SEE PAGE 4-35) (SEE PAGE 4-35) IC301 IC400 TIMER/TUNER/MODE REMOTE COMMANDER CONTROL RECEIVER CN400 CN308 SIRCS SIRCS IN IC304 REMOTE COMMANDER RECEIVER CN303 D400...

  • Page 30: Power Block Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 3-8. POWER BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 NK-11 BOARD MA-325 BOARD (SEE PAGE 4-29) (SEE PAGE 4-5~4-28) TU701 KOREAN TUNER STEREO PS-414 BOARD T101 (SEE PAGE 4-39) CN162 CN201 CN600 CN601 D201 UN30V +35V L101, 102...

  • Page 31: Printed Wiring Boards And Schematic Diagrams

    http://www.xiaoyu163.com SLV-ED8/ED9 SECTION 4 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 3 7 6 3 1 5 1 5 0 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.)

  • Page 32: Frame Schematic Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 4-1. FRAME SCHEMATIC DIAGRAM 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 FRAME http://www.xiaoyu163.com...

  • Page 33: Head Amp) Schematic Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 4-2. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAMS 3 7 6 3 1 5 1 5 0 MA-325 (HEAD AMP) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. – Ref. No.: MA-325 board; 2,000 series – 1 3 9 4 2 2 9 6 5 1 3 •...
  • Page 34 http://www.xiaoyu163.com SLV-ED8/ED9 3 7 6 3 1 5 1 5 0 MA-325 BOARD CN101 CN102 CN103 CN105 J-12 CN161 I-11 CN162 CN301 CN302 CN341 C-10 CN423 C-11 CN501 CN502 CN751 H-13 CN901 D102 D103 D104 D130 D141 D161 D360 C-11 D401 D402 D403...
  • Page 35 http://www.xiaoyu163.com SLV-ED8/ED9 MA-325 (VIDEO, AUDIO, I/O, SERVO/SYSTEM CONTROL, TUNER) PRINTED WIRING BOARD 3 7 6 3 1 5 1 5 0 – Ref. No.: MA-325 board; 2,000 series – There are few cases that the part isn't mounted in this model is printed on this diagram. LINE-1 IN/OUT RF UNIT AUDIO...

  • Page 36: Ma-325 (Video, Audio) Schematic Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 MA-325 (VIDEO, AUDIO) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. 3 7 6 3 1 5 1 5 0 – Ref. No.: MA-325 board; 2,000 series – 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 VIDEO, AUDIO...
  • Page 37 http://www.xiaoyu163.com 3 7 63 1515 0 • Waveforms 1 IC201 !¢ REC 6 IC201 #• REC/PB !¡ IC202 !£ REC/PB 340 mVp-p (H) 2.0 Vp-p (H) REC : 360 mVp-p (H) PB : 270 mVp-p (H) !™ IC202 7 REC/PB 2 IC201 !∞...
  • Page 38 http://www.xiaoyu163.com 3 7 63 1515 0 • Waveforms 5 IC161 1 REC/PB 1 IC161 ^¶ PB 5.3 Vp-p (2 V) 5.1 Vp-p (2 V) 2 IC161 ^• REC/PB 6 IC161 7 REC 5.0 Vp-p (2 V) 5.0 Vp-p (2 V) 3 IC161 ^ª...

  • Page 39: Ma-325 (System Control) Schematic Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 MA-325 (SYSTEM CONTROL) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. 3 7 6 3 1 5 1 5 0 – Ref. No.: MA-325 board; 2,000 series – MA-325 BOARD(6/9) (SEE PAGE 4-21) MA-325 BOARD(4/9) (SEE PAGE 4-17) 1 3 9 4 2 2 9 6 5 1 3 MA-325 BOARD(5/9)

  • Page 40: Ma-325 (Servo Control) Schematic Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 MA-325 (SERVO CONTROL) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. 3 7 6 3 1 5 1 5 0 – Ref. No.: MA-325 board; 2,000 series – 1 3 9 4 2 2 9 6 5 1 3 w w w Note: The components identified by mark ! or dotted line with mark ! are critical for safety.

  • Page 41: Ma-325 (Bias, Ctl) Schematic Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 MA-325 (BIAS, CTL) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. 3 7 6 3 1 5 1 5 0 – Ref. No.: MA-325 board; 2,000 series – 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 Note: The components identified by mark ! or dotted line...
  • Page 42 http://www.xiaoyu163.com SLV-ED8/ED9 MA-325 (Hi-Fi, AUDIO) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. 3 7 6 3 1 5 1 5 0 – Ref. No.: MA-325 board; 2,000 series – 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 Hi-Fi, AUDIO...

  • Page 43: Ma-325 (Osd) Schematic Diagram

    http://www.xiaoyu163.com SLV-ED8/ED9 MA-325 (OSD) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. 3 7 6 3 1 5 1 5 0 – Ref. No.: MA-325 board; 2,000 series – 1 3 9 4 2 2 9 6 5 1 3 •...
  • Page 44 http://www.xiaoyu163.com SLV-ED8/ED9 MA-325 (I/O), RJ-79 (ADDITIONAL REAR OUT) SCHEMATIC DIAGRAMS AND RJ-79 PRINTED WIRING BOARD • See page 4-9 to 4-10 for printed wiring board. 3 7 6 3 1 5 1 5 0 – Ref. No.: MA-325 board; 2,000 series, RJ-79 board; 1,000 series – 1 3 9 4 2 2 9 6 5 1 3 MA-325 RJ-79...
  • Page 45 http://www.xiaoyu163.com SLV-ED8/ED9 MA-325 (TUNER) SCHEMATIC DIAGRAM • See page 4-9 to 4-10 for printed wiring board. 3 7 6 3 1 5 1 5 0 – Ref. No.: MA-325 board; 2,000 series – 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 TUNER...
  • Page 46 http://www.xiaoyu163.com SLV-ED8/ED9 NK-11 (KOREAN STEREO) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM 3 7 6 3 1 5 1 5 0 – Ref. No.: NK-11 board; 1,000 series – 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)
  • Page 47 http://www.xiaoyu163.com SLV-ED8/ED9 DM-77 (MODE CONTROL), IO-64 (FRONT IN) PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 3 7 6 3 1 5 1 5 0 – Ref. No.: DM-77 board, IO-64 board; 1,000 series – There are few cases that the part isn't mounted in this model is printed on this diagram. BOARD PAUSE (12)
  • Page 48 http://www.xiaoyu163.com SLV-ED8/ED9 FR-137 (FL DRIVE, MODE CONTROL), SW-307 (POWER SWITCH) PRINTED WIRING BOARDS 3 7 6 3 1 5 1 5 0 – Ref. No.: FR-137 board, SW-307 board; 1,000 series – There are few cases that the part isn't mounted in this model is printed on this diagram. FR-137 BOARD ONE TOUCH...
  • Page 49 http://www.xiaoyu163.com SLV-ED8/ED9 FR-137 (FL DRIVE, MODE CONTROL), SW-307 (POWER SWITCH) SCHEMATIC DIAGRAM 3 7 6 3 1 5 1 5 0 – Ref. No.: FR-137 board, SW-307 board; 1,000 series – 1 3 9 4 2 2 9 6 5 1 3 •...
  • Page 50 http://www.xiaoyu163.com SLV-ED8/ED9 PS-414 (POWER SUPPLY) PRINTED WIRING BOARD 3 7 6 3 1 5 1 5 0 – Ref. No.: PS-414 board; 1,000 series – There are few cases that the part isn't mounted in this model is printed on this diagram. PS-414 BOARD 1 3 9 4 2 2 9 6 5 1 3...
  • Page 51 http://www.xiaoyu163.com SLV-ED8/ED9 PS-414 (POWER SUPPLY) SCHEMATIC DIAGRAM 3 7 6 3 1 5 1 5 0 – Ref. No.: PS-414 board; 1,000 series – 1 3 9 4 2 2 9 6 5 1 3 Note: The components identified by mark ! or dotted line with mark ! are critical for safety.
  • Page 52 http://www.xiaoyu163.com SLV-ED8/ED9 SR-718 (SWITCHING REGULATOR) PRINTED WIRING BOARD 3 7 6 3 1 5 1 5 0 – Ref. No.: SR-718 board; 4,000 series – There are few cases that the part isn't mounted in this model is printed on this diagram. SR-718 BOARD 1 3 9 4 2 2 9 6 5 1 3 CN101...
  • Page 53 http://www.xiaoyu163.com SLV-ED8/ED9 SR-718 (SWITCHING REGULATOR) SCHEMATIC DIAGRAM 3 7 6 3 1 5 1 5 0 – Ref. No.: SR-718 board; 4,000 series – SR-708/718 BOARD R201 D201 T101 EG01C 1/2W R102 C110 R209 C201 0.01µF 47µF 400V IC101 SWITCH L202 D202 10µH...

  • Page 54: System Control-Video Block Interface (Ma-325 Board Ic161)

    http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 5-1. SYSTEM CONTROL – VIDEO BLOCK INTERFACE (MA-325 BOARD IC161) STOP/ TAPE TAPE PB • REC • × 2 Signal Pin No. THREAD- UNTHREAD- SLOW REVIEW PAUSE PAUSE RF SWP MA-325 (SW30) IC1611...

  • Page 55: System Control-Mechanism Block Interface (Ma-325 Board Ic161)

    http://www.xiaoyu163.com 5-3. SYSTEM CONTROL – MECHANISM BLOCK INTERFACE (MA-325 BOARD IC161) 3 7 6 3 1 5 1 5 0 TAPE TAPE CASSETTE CASSETTE PB • REC • × 2 Signal Pin No. EJECTED THREAD- UNTHREAD- STOP SLOW REVIEW LOADING UNLOADING PAUSE PAUSE MA-325...

  • Page 56: System Control-System Control Peripheral Circuit Interface (Ma-325 Board Ic161)

    http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 5-4. SYSTEM CONTROL – SYSTEM CONTROL PERIPHERAL CIRCUIT INTERFACE (MA-325 BOARD IC161) Signal Pin No. I/O Level MA-325 ASURA RESET Normally “H”, “L” when service interruption is detected or restored IC161$º...

  • Page 57: Servo/System Control Microprocessor Pin Function (Ma-325 Board Ic161)

    http://www.xiaoyu163.com 5-6. SERVO/SYSTEM CONTROL MICROPROCESSOR PIN FUNCTION (MA-325 BOARD IC161) 3 7 6 3 1 5 1 5 0 Pin No. Pin Name Function Pin No. Pin Name Function RF SWP RF switching pulse output – Not used AF REC P “L”...

  • Page 58: Timer/Tuner Control Microprocessor Pin Function (Fr-137 Board Ic301)

    http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 5-7. TIMER/TUNER CONTROL MICROPROCESSOR PIN FUNCTION (FR-137 BOARD IC301) Pin No. Pin Name Function Pin No. Pin Name Function – Not used (UNSW 5V) SEG8 Segment terminal 8 POWER FAIL Power failure detect signal input SEG9 Segment terminal 9...
  • Page 59 http://www.xiaoyu163.com 5-8. KOREAN STEREO PROCESSOR PIN FUNCTION (NK-11 BOARD IC1) 3 7 6 3 1 5 1 5 0 Pin. No. Pin Name Function OUTL Analog output left OUTR Analog output right VDDA1 – Analog power supply; DAC circuitry VSSA1 –...

  • Page 60: Error Code

    http://www.xiaoyu163.com SLV-ED8/ED9 SECTION 6 3 7 63 1515 0 ERROR CODES Table 6-2. Mechanism position list 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 Position VTR status...

  • Page 61: Adjustments

    5) Input data on Page 0 as following table. Video output VIDEO LINE OUT (75 Ω) Page Adress Fig. 7-3-1 SLV-ED8KR Data SLV-ED9KR 6) Turn off the Power. 7) Disconnect the adjustment remote and LANC jig from the connector. 8) Disconnect the connector from FR-137 board.

  • Page 62: Set-Up Of Adjustment

    http://www.xiaoyu163.com 3 7 63 1515 0 3-1-3. Set-up of Adjustment 3-1-6. Adjusting Sequence In this adjustment, NTSC pattern generator is connected with LINE Make the electrical adjustment in the following sequence. input signal terminal. When check to tuner, connected AERIAL terminal.

  • Page 63: Servo System Adjustment

    http://www.xiaoyu163.com 3 7 63 1515 0 3-3. SERVO SYSTEM ADJUSTMENT 3-4. AUDIO SYSTEM ADJUSTMENTS • Adjust both Lch and Rch. 3-3-1. RF Switching Position Adjustment (MA-325 Board) [Connection] Purpose: Adjust the interval between A ch and B ch of tape playback out- Audio Audiolevel meter or generator...

  • Page 64: Overall S/N Check

    http://www.xiaoyu163.com 3 7 63 1515 0 3. Overall Level Characteristic and Distortion Factor Check RF SWP Purpose: Check the record level, play level, and distortion factor against the reference input. Mode REC and PB (SP mode) Signal 400 Hz, –7.5 dBs Measurement point Audio output terminal Measurement equipment...

  • Page 65: Normal Audio System Adjustment

    http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 3-4-2. Normal Audio System Adjustment 4. Overall Level Characteristic and Distortion Factor 3-6. PARTS ARRANGEMENT DIAGRAM FOR ADJUSTMENTS • Make adjustment in the SP mode, unless otherwise specified. Check Use a normal VHS cassette for an adjustment tape. Purpose: MA-325 BOARD (Side A) •...

  • Page 66: Repair Parts List

    1-783-849-11 CABLE, FLAT (FMF-30) 3-977-160-01 INSULATOR * 12 A-6791-701-A FR-137 BOARD, COMPLETE X-3948-596-1 DOOR ASSY, FRONT 3-710-901-11 SCREW, TAPPING 3-943-995-01 EMBLEM (NO.5), SONY 3-977-136-91 CASE, UPPER u163 X-3948-597-1 LOCK ASSY, DOOR * 15 A-6791-626-A DM-77 BOARD, COMPLETE 3-987-701-01 BUTTON, OPEN...

  • Page 67: Front Panel And Cabinet Assemblies (Ed9)

    A-6791-655-A SW-307 BOARD, COMPLETE 1-475-836-11 SWITCH BLOCK, CONTROL * 65 A-6791-653-A DM-77 BOARD, COMPLETE X-3948-845-1 PANEL ASSY, FRONT 1-783-850-11 CABLE, FLAT (FFD-3) 3-943-995-01 EMBLEM (NO.5), SONY * 67 A-6791-698-A FR-137 BOARD, COMPLETE 3-953-432-01 SPRING (GE), FL 1-783-849-11 CABLE, FLAT (FMF-30) u163...

  • Page 68: Chassis Assembly

    http://www.xiaoyu163.com 3 7 63 1515 0 8-1-3. CHASSIS ASSEMBLY supplied supplied L 13942296513 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.

  • Page 69: Mechanism Chassis Assembly (1)

    http://www.xiaoyu163.com 3 7 63 1515 0 8-1-4. MECHANISM CHASSIS ASSEMBLY (1) L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-977-514-01 OPENER, LID 3-977-509-01 WASHER, THRUST 3-977-441-01 GEAR, PINCH PRESSING 3-977-507-01 TABLE, REEL (S) 3-977-445-01 GEAR, TG8 ARM DRIVING 3-977-508-01 TABLE, REEL (T) 3-977-465-01 SPRING, EXTENSION (RVS BRAKE) 1-500-144-11 HEAD, FE...

  • Page 70: Mechanism Chassis Assembly (2)

    http://www.xiaoyu163.com 3 7 63 1515 0 8-1-5. MECHANISM CHASSIS ASSEMBLY (2) L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3944-378-1 ROLLER ASSY, GUIDE 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...

  • Page 71: Mechanism Chassis Assembly (3)

    http://www.xiaoyu163.com 3 7 63 1515 0 8-1-6. MECHANISM CHASSIS ASSEMBLY (3) M902 L 13942296513 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)

  • Page 72: Electrical Parts List

    http://www.xiaoyu163.com DM-77 FR-137 3 7 63 1515 0 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 73 http://www.xiaoyu163.com FR-137 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C341 1-164-004-11 CERAMIC CHIP 0.1uF R305 1-216-049-00 METAL CHIP 1/10W < CONNECTOR > R306 1-216-089-00 METAL CHIP 1/10W R307 1-216-049-00 METAL CHIP 1/10W CN302 1-691-036-21 HOUSING, CONNECTOR 4P (ED9)
  • Page 74 http://www.xiaoyu163.com IO-64 MA-325 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-6791-628-A IO-64 BOARD, COMPLETE C133 1-164-232-11 CERAMIC CHIP 0.01uF C134 1-164-232-11 CERAMIC CHIP 0.01uF ********************* (Ref.No.1,000 Series) C141 1-164-232-11 CERAMIC CHIP 0.01uF C143 1-137-372-11 FILM...
  • Page 75 http://www.xiaoyu163.com MA-325 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C302 1-124-589-11 ELECT 47uF C414 1-163-233-11 CERAMIC CHIP 18PF C305 1-126-160-11 ELECT C415 1-163-233-11 CERAMIC CHIP 18PF C306 1-126-160-11 ELECT C416 1-107-823-11 CERAMIC CHIP 0.47uF C307...
  • Page 76 http://www.xiaoyu163.com MA-325 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * CN103 1-766-716-11 CONNECTOR, BOARD TO BOARD 3P JR010 1-216-295-00 METAL CHIP 1/10W * CN105 1-695-352-11 PIN, CONNECTOR (PC BOARD) 29P CN161 1-506-468-11 PIN, CONNECTOR 3P JR011...
  • Page 77 http://www.xiaoyu163.com MA-325 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark L502 1-414-940-21 INDUCTOR 100uH R027 1-216-065-00 METAL CHIP 4.7K 1/10W R071 1-216-079-00 METAL CHIP 1/10W L702 1-414-930-21 INDUCTOR 2.2uH L703 1-414-930-21 INDUCTOR 2.2uH R081 1-249-408-11 CARBON...
  • Page 78 http://www.xiaoyu163.com MA-325 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R198 1-216-049-00 METAL CHIP 1/10W R372 1-216-065-00 METAL CHIP 4.7K 1/10W R199 1-216-049-00 METAL CHIP 1/10W R378 1-216-083-00 METAL CHIP 1/10W R203 1-249-417-11 CARBON 1/4W F...
  • Page 79 http://www.xiaoyu163.com MA-325 NK-11 POWER BLOCK 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R752 1-216-295-00 METAL CHIP 1/10W C018 1-163-989-11 CERAMIC CHIP 0.033uF R754 1-216-295-00 METAL CHIP 1/10W C019 1-109-982-11 CERAMIC CHIP R755 1-216-295-00 METAL CHIP 1/10W...
  • Page 80 http://www.xiaoyu163.com POWER BLOCK PS-414 RJ-79 SW-307 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C115 1-130-495-51 FILM 0.1uF < TRANSISTOR > < DIODE > Q600 8-729-140-93 TRANSISTOR 2SB733-34 Q601 8-729-421-19 TRANSISTOR UN2213 ! D107 9-900-534-01 DIODE ERA18-02...
  • Page 81 http://www.xiaoyu163.com SW-307 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > R400 1-216-029-00 METAL CHIP 1/10W R401 1-216-295-00 METAL CHIP 1/10W < SWITCH > S400 1-762-196-21 SWITCH, TACT (POWER) MISCELLANEOUS ************** 1-783-849-11 CABLE, FLAT (FMF-30) (ED8)
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  • Page 83 SLV-ED8/ED9 3 7 63 1515 0 L 13942296513 u163 Sony Corporation 98J05016-1D Printed in Japan © 1998. 10 9-921-703-11 Home A&V Products Company Published by Quality Assurance Dept. – 120 – (Osaki East) http://www.xiaoyu163.com...
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