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Sony SLV-M20HF - Video Cassette Recorder, Service Manual

The Sony SLV-M20HF Video Cassette Recorder is a high-quality and reliable device for playback and recording of VHS tapes. It offers various features for user convenience. Gain a deeper understanding of its functionalities and troubleshooting methods by downloading the comprehensive Service Manual, available for free at manualshive.com.

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7-13

Ref. No.

Part No.

Description

Remarks

Ref. No.

Part No.

Description

Remarks

MA-335

R505

1-216-059-00 METAL CHIP

2.7K

5%

1/10W

R506

1-216-051-00 METAL CHIP

1.2K

5%

1/10W

R507

1-216-081-00 METAL CHIP

22K

5%

1/10W

R508

1-216-049-00 METAL CHIP

1K

5%

1/10W

R510

1-216-081-00 METAL CHIP

22K

5%

1/10W

R514

1-216-073-00 METAL CHIP

10K

5%

1/10W

R515

1-216-101-00 METAL CHIP

150K

5%

1/10W

R517

1-216-063-91 RES,CHIP

3.9K

5%

1/10W

R518

1-216-043-91 RES,CHIP

560

5%

1/10W

R519

1-216-043-91 RES,CHIP

560

5%

1/10W

R520

1-216-033-00 METAL CHIP

220

5%

1/10W

R521

1-216-073-00 METAL CHIP

10K

5%

1/10W

R522

1-216-073-00 METAL CHIP

10K

5%

1/10W

R523

1-216-073-00 METAL CHIP

10K

5%

1/10W

R560

1-216-022-00 METAL CHIP

75

5%

1/10W

R561

1-216-021-00 METAL CHIP

68

5%

1/10W

R562

1-249-407-11 CARBON

150

5%

1/4W F

R563

1-249-407-11 CARBON

150

5%

1/4W F

R565

1-216-037-00 METAL CHIP

330

5%

1/10W

R617

1-249-417-11 CARBON

1K

5%

1/4W F

R621

1-216-089-00 METAL CHIP

47K

5%

1/10W

R622

1-216-057-00 METAL CHIP

2.2K

5%

1/10W

R623

1-247-843-11 CARBON

3.3K

5%

1/4W

R624

1-216-430-11 METAL OXIDE

390

5%

1W

F

R625

1-249-429-11 CARBON

10K

5%

1/4W

R626

1-249-417-11 CARBON

1K

5%

1/4W F

R627

1-247-815-91 CARBON

220

5%

1/4W

R628

1-247-815-91 CARBON

220

5%

1/4W

R701

1-216-049-00 METAL CHIP

1K

5%

1/10W

R702

1-216-061-00 METAL CHIP

3.3K

5%

1/10W

R705

1-212-893-00 FUSIBLE

330

5%

1/4W F

R706

1-216-113-00 METAL CHIP

470K

5%

1/10W

R709

1-216-295-00 METAL CHIP

0

5%

1/10W

R710

1-216-295-00 METAL CHIP

0

5%

1/10W

R711

1-216-295-00 METAL CHIP

0

5%

1/10W

R712

1-216-295-00 METAL CHIP

0

5%

1/10W

R731

1-216-049-00 METAL CHIP

1K

5%

1/10W

R732

1-216-049-00 METAL CHIP

1K

5%

1/10W

R733

1-249-425-11 CARBON

4.7K

5%

1/4W F

R735

1-216-049-00 METAL CHIP

1K

5%

1/10W

R736

1-216-295-00 METAL CHIP

0

5%

1/10W

R737

1-216-081-00 METAL CHIP

22K

5%

1/10W

R738

1-216-081-00 METAL CHIP

22K

5%

1/10W

R739

1-249-429-11 CARBON

10K

5%

1/4W

R748

1-216-065-91 RES,CHIP

4.7K

5%

1/10W

R749

1-216-049-00 METAL CHIP

1K

5%

1/10W

R801

1-216-049-00 METAL CHIP

1K

5%

1/10W

R802

1-216-049-00 METAL CHIP

1K

5%

1/10W

R803

1-216-039-00 METAL CHIP

390

5%

1/10W

R804

1-216-039-00 METAL CHIP

390

5%

1/10W

R805

1-216-049-00 METAL CHIP

1K

5%

1/10W

R806

1-216-043-91 RES,CHIP

560

5%

1/10W

R807

1-216-039-00 METAL CHIP

390

5%

1/10W

R808

1-216-033-00 METAL CHIP

220

5%

1/10W

R809

1-216-077-00 METAL CHIP

15K

5%

1/10W

R810

1-216-075-00 METAL CHIP

12K

5%

1/10W

R811

1-216-033-00 METAL CHIP

220

5%

1/10W

R812

1-216-043-91 RES,CHIP

560

5%

1/10W

R813

1-216-069-00 METAL CHIP

6.8K

5%

1/10W

R814

1-216-057-00 METAL CHIP

2.2K

5%

1/10W

R815

1-216-067-00 METAL CHIP

5.6K

5%

1/10W

R816

1-216-075-00 METAL CHIP

12K

5%

1/10W

R817

1-216-077-00 METAL CHIP

15K

5%

1/10W

R818

1-216-039-00 METAL CHIP

390

5%

1/10W

R819

1-216-045-00 METAL CHIP

680

5%

1/10W

R820

1-216-039-00 METAL CHIP

390

5%

1/10W

R821

1-216-045-00 METAL CHIP

680

5%

1/10W

R822

1-216-049-00 METAL CHIP

1K

5%

1/10W

R823

1-216-041-00 METAL CHIP

470

5%

1/10W

R824

1-216-047-91 RES,CHIP

820

5%

1/10W

R825

1-216-057-00 METAL CHIP

2.2K

5%

1/10W

R826

1-216-025-91 RES,CHIP

100

5%

1/10W

R827

1-216-045-00 METAL CHIP

680

5%

1/10W

R828

1-216-043-91 RES,CHIP

560

5%

1/10W

R838

1-249-410-11 CARBON

270

5%

1/4W F

R844

1-216-069-00 METAL CHIP

6.8K

5%

1/10W

R851

1-208-820-11 RES,CHIP

39K

0.50%

1/10W

R852

1-208-802-11 RES,CHIP

6.8K

0.50%

1/10W

R853

1-208-792-11 RES,CHIP

2.7K

0.50%

1/10W

R855

1-208-770-11 RES,CHIP

330

0.50%

1/10W

R856

1-208-758-11 RES,CHIP

100

0.50%

1/10W

R857

1-208-790-11 RES,CHIP

2.2K

0.50%

1/10W

R858

1-216-051-00 METAL CHIP

1.2K

5%

1/10W

R859

1-208-800-11 RES,CHIP

5.6K

0.50%

1/10W

R860

1-216-057-00 METAL CHIP

2.2K

5%

1/10W

R861

1-216-065-91 RES,CHIP

4.7K

5%

1/10W

R862

1-208-806-11 RES,CHIP

10K

0.50%

1/10W

R864

1-216-057-00 METAL CHIP

2.2K

5%

1/10W

R865

1-216-107-00 METAL CHIP

270K

5%

1/10W

R980

1-216-049-00 METAL CHIP

1K

5%

1/10W

R981

1-216-295-00 METAL CHIP

0

5%

1/10W

< VARIABLE RESISTOR >

RV731

1-241-766-11 RES, ADJ, CERMET 47K

< SWITCH >

S101

1-762-108-11 SWITCH, PUSH (1 KEY)(REC PROOF)

S102

1-771-155-11 SWITCH, ROTARY (MECHANISM MODE)

S102

1-771-394-11 SWITCH, ROTARY (MECHANISM MODE)

S701

1-571-588-11 SWITCH, SLIDE  (RF NUIT CH3/CH4)

< TRANSFORMER >

T331

1-431-097-11 TRANSFORMER, BIAS OSCILLATION

< TUNER >

TU700

8-598-289-00 TUNER, FSS BTF-MA401

< VIBRATOR >

X160

1-760-494-11 VIBRATOR, CRYSTAL 16MHz

X202

1-577-380-11 VIBRATOR, CRYSTAL 3.579545MHz

X500

1-577-381-11 VIBRATOR, CRYSTAL 14.31818MHz

X501

1-577-165-11 VIBLATOR, CERAMIC 503.5kHz

************************************************************

Summary of Contents for SLV-M20HF - Video Cassette Recorder

Page 1: ... RMT V250 US Model Canadian Model SERVICE MANUAL VIDEO CASSETTE RECORDER MICROFILM S MECHANISM Refer to the SERVICE MANUAL of VHS MECHANICAL ADJUSTMENT for MECHANICAL ADJUSTMENTS 9 921 647 11 G j SPECIFICATIONS ...

Page 2: ... the line cord for cracks and abrasion Recommend the replacement of any such line cord to the customer 6 Check the B voltage to see it is at the values specified 7 Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all expose...

Page 3: ...OCK DIAGRAM 3 7 3 5 MODE CONTROL BLOCK DIAGRAM 3 9 3 6 TUNER BLOCK DIAGRAM 3 11 3 7 POWER SUPPLY BLOCK DIAGRAM 3 13 4 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 4 1 FRAME SCHEMATIC DIAGRAM 4 1 4 2 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 4 3 MA 335 REC PB AMP VIDEO SERVO SYSTEM CONTROL AUDIO TUNER PRINTED WIRING BOARD 4 3 MA 335 REC PB AMP SCHEMATIC DIAGRAM 4 5 MA 335 VIDEO NORMAL AUDIO SCHE...

Page 4: ...335 Board 6 4 2 4 2 SYNC AGC Check MA 335 Board 6 4 2 4 3 Recording Y Level Check MA 335 Board 6 4 2 4 4 Recording Chroma Level Check MA 335 Board 6 5 2 4 5 Playback Level Check MA 335 Board 6 5 2 5 AUDIO SYSTEM ADJUSTMENT 6 5 2 5 1 ACE Head Adjustment 6 5 2 5 2 E E Output Level Check 6 5 2 5 3 Overall Output Level and Distortion Factor Check 6 6 2 5 4 Overall Noise Level Check 6 6 2 6 TUNER SYSTE...

Page 5: ...loading 4 FF 14 RVS pause 24 Mecha error Power on 5 REW 15 RVS x1 25 Power on eject initial 6 REC 16 RVS x2 26 Power off eject initial 7 REC pause 17 REV 27 APC REC 8 Power on stop 18 Power off initial 28 Cas loading 9 PB 19 Mecha error Power off No auto PB check 0 No error 1 Cam encoder error Loading direction 2 Cam encoder error Unloading direction 3 T reel error 4 S reel error 5 Capstan error 6...

Page 6: ...1 1 SLV M20HF SECTION 1 GENERAL This section is extracted from instruction manual ...

Page 7: ...1 2 ...

Page 8: ...1 3 ...

Page 9: ...1 4 ...

Page 10: ...1 5 ...

Page 11: ...1 6 ...

Page 12: ...1 7 ...

Page 13: ...1 8 ...

Page 14: ...1 9 ...

Page 15: ...1 10 ...

Page 16: ...1 11 ...

Page 17: ...1 12 ...

Page 18: ...1 13 ...

Page 19: ...1 14 ...

Page 20: ...1 15 ...

Page 21: ...1 16 ...

Page 22: ...1 17 ...

Page 23: ...1 18 ...

Page 24: ...1 19 ...

Page 25: ...1 20 ...

Page 26: ...1 21E ...

Page 27: ...sembly 1 Screws B2 6 8 2 DM 81 board 2 FR 139 board 3 Flat cable From CN140 on FR 139 board 3 Frexible board From CN441 on DM 81 board 1 Screws B2 6 8 6 Screw B2 6 8 4 Screw B2 6 8 8 AJ 2 board 7 JK ground plate 9 AN 17 board 5 Antenna large shield plate Note Note When peeling off the antenna large shield plate be sure to apply it to the original position on the AJ 2 board If not so the resonance ...

Page 28: ... From CN260 on MA 335 board 4 Screws 7 AN 16 board 6 AN holder 2 Screw MD base R MA 335 board S mechanism deck 5 MD base R MD base M 1 Remove two screws securing NL holder and remove NL holder a a 2 Connector From CN201 on power block 3 Screws 4 Power block 2 6 MA 335 board with S mechanism deck 5 Screws ...

Page 29: ... 11 Reel S table 3 977 507 01 FL complete assembly A 6759 619 C Reel T table 3 977 508 01 Pinch press block assembly A 6759 615 A ACE head block assembly A 6759 620 A M902 DC motor capstan 1 698 971 11 M901 Drum Assembly DZH 94A Z RP 8 839 044 02 Rubber belt 3 977 510 01 M903 Cam motor assembly X 3947 577 1 ...

Page 30: ...MA 335B REC PB AMP VIDEO AUDIO SERVO SYSTEM CONTROL TUNER FR 139B MODE CONTROL DM 81A OPERATION SWITCHES POWER BLOCK SR821 AJ 2A LINE 2 IN MG 21 SMART FILE GUIDE PLUS AN 17A FRONT SMART FILE SENSOR AN 16A INNER SMART FILE SENSOR WRITER ...

Page 31: ...REC REC P F MONO MAIN SAP SAP STEREO MPX PLL DATA Q VD AFT REC P DRIVE LED Q103 T REEL PH102 S REEL PH101 T SENS Q101 S SENS Q102 T S LED D103 SW12V T REEL FG S REEL FG T SENS S SENS T S LED IC160 CONTROL SYSTEM SERVO DRUM CONTROL SIGNAL IC100 CAPSTAN FG DRUM PG DRUM FG M DRUM MOTOR M CAPSTAN MOTOR CAP FG CAP VS D FG D PG D VS IC100 DRUM MOTOR CAPSTAN MOTOR CTL AMP LOADING MOTOR IC140 IC141 IC101 ...

Page 32: ...ER Q809 SW BUFFER Q804 D801 Q806 808 Q805 21 SP SW WAVE SHAPER PB RF EQ AMP Q851 854 CLAMP Q855 857 Q802 803 Q260 BUFFER C TRAP 22 28 PB RF REC RF Q201 BUFFER 24 AGC 27 Q801 BUFFER 3 579MHz Q211 BUFFER VD 5 HD 9 FSC BPF 46 45 33 Q502 BUFFER Q503 BUFFER Q560 P CONT1 CN162 21 RF VIDEO TU700 5 HDET CN162 2 CG CS CN164 12 CG V CN164 23 Q VD IC160 4 I2C DATA VIDEO IC160 28 SERIAL DECODER 64 I2C CLOCK V...

Page 33: ... SIRCS CBC I O REG ON OFF 12 STATUS 6 S IN 4 S OUT 5 9 CONTROL S OUT 11 CONTROL S IN 1 REG OUT IN OUT CABLE BOX CONTROL CONTROL S CNJ981 CNJ980 46 S OUT 0 47 S CLK 40 ASURA RESET 44 ASURA CS 26 TV VTR 11 TA MUTE 50 F MONO 5 I2C CLOCK1 IC360 42 FROM TO VIDEO BLOCK I2C DATA1 IC360 41 A MUTE IC201 70 AF ENV IC360 39 AF SWP IC340 1 AF REC P IC340 4 AF REC IC340 5 Q214 I2C DATA VIDEO IC201 64 I2C CLOCK...

Page 34: ... 39 5 6 3 4 SCL 42 SDA 41 AF SWP 40 AGC R L AUDIO CJ570 LINE 1 IN R L AUDIO 5 L2 L 3 5 BIAS ERASE OSC T331 Q331 CN301 1 2 4 ERASE ERASE HEAD AUDIO REC PB HEAD NOMAL AUDIO HEAD SW 4 2 IC301 1 FULL HEAD CN302 HEAD SW5V SEL 1 2 IC201 AUDIO PROCESSOR MONO MUTE CTL MUTE LINE AMP 77 PB PB ALC 10 11 8 9 PB LP SP EQ 76 AVCC REC SW5V REC REC 79 1 5 REC EP LP PB EP 4 3 AUTO BIAS BIAS SW Q301 6 70 7 80 AUTO ...

Page 35: ...N464 CN004 2 3 5 1 6 7 8 4 SCK0 SO0 SI0 RESET MUTE SDA0 SCL0 X CS SCK0 SO0 SI0 RESET G RESET X CS 8 7 5 9 4 3 2 6 CPD IN CNJ001 BOARD AN 17 MG 21 BOARD Q015 DSS IN 56 SCK0 48 SI0 49 31 32 SO0 50 RST 30 CS0 47 80 78 SDA0 SCL0 IC004 EEPROM 5 6 IC003 SMARTFILE CONTROL IC002 53 SO1 52 SI1 51 SCK1 8 X RST 7 ANT SEL 9 REQ 10 TOTAGZ 60 SINT 14 GUIDE ON 15 MUTE SI 44 SO 43 CLK 42 RST 5 ANT SEL 4 REQ 41 TO...

Page 36: ...NGUAL PROCESSOR 3 L 10 SAP IND 4 R 11 ST IND 8 MS0 5 MS1 5 MUTE FROM TO SYSCON BLOCK RF AUDIO IC360 12 RF VIDEO Q560 FROM VIDEO BLOCK FROM AUDIO BLOCK TU VIDEO IC201 32 TU AUDIO L IC360 1 TU AUDIO R IC360 2 F MONO IC161 50 TA MUTE IC161 11 MAIN SAP CN162 16 SAP CN162 17 STEREO CN162 4 TV VTR IC161 26 TU AFT CN162 11 PLL DATA CN162 13 PLL CLOCK CN162 14 PLL ENABLE CN162 15 TO VIDEO BLOCK TO AUDIO B...

Page 37: ...EO REC PB AMP IC260 BIAS ERASE OSC T331 Q331 IC301 P CONT 2 P CONT 2 P CONT 2 SW5V M12V L607 L606 M12V F F 30V SW5V SW12V 30V IC733 ST BILNG PROCESSOR 5V 19 30V L703 L704 L731 VCC 16 VCC 29 L262 L263 AVCC 4 SW5V D6V VCC 14 L341 AFM REC PB AMP IC340 L331 REC PB AMP HEAD SW VCC 1 AVREF 53 AVDD 54 VDD 89 5V 90 L160 DRUM CAPSTAN AMP VCC 8 IC100 T S SENSOR Q101 102 PH101 102 IC980 SIRCS CBC I O REG IN ...

Page 38: ...SLV M20HF SECTION 4 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 4 1 FRAME SCHEMATIC DIAGRAM 4 1 4 2 FRAME SCHEMATIC DIAGRAM ...

Page 39: ...MA 335 REC PB AMP VIDEO SERVO SYSTEM CONTROL AUDIO TUNER PRINTED WIRING BOARD Ref No MA 335 Board 1 000 Series 4 3 4 4 There are few cases that the part printed on this diagram isn t mounted in this model REC PB AMP VIDEO SERVO SYSTEM CONTROL AUDIO TUNER MA 335 ...

Page 40: ...Line B B Line J IN OUT direction of B LINE Circled numbers refer to waveforms Readings are taken with a color bar signal input Voltage are dc between ground and measurement points Readings are taken with a digital multimeter DC10MΩ Voltage variations may be noted due to normal production tolerances When indicating parts by reference number please include the board name THIS NOTE IS COMMON FOR PRIN...

Page 41: ... PB CN261 2 PB 8 IC201 º PB 9 IC201 REC 0 1V div 0 1µsec div 200mV Div 0 1µsec div IC201 REC PB IC201 REC 3 579545MHz 550mVp p 0 5Vp p H º IC201 REC 1Vp p H IC201 REC 1Vp p H IC201 REC PB 4Vp p H 2Vp p H IC201 PB 3 579545MHz 500mVp p IC201 REC IC201 º REC 0 23Vp p H IC201 PB IC201 º PB 340mVp p H IC201 PB 500mVp p H 4 8 4 9 4 10 VIDEO NORMAL AUDIO MA 335 2 9 ...

Page 42: ...printed wiring board MA 335 BOARD IC161 1 REC PB IC161 ª IC161 REC PB 3Vp p 16MHz 5Vp p 30Hz º IC161 º REC PB IC161 REC PB IC161 ª REC PB IC161 REC PB IC161 REC PB IC161 7 REC IC161 REC 5Vp p 360Hz 5Vp p 360Hz 5Vp p 1 078kHz 5Vp p 30Hz 5Vp p 360Hz 4Vp p 30Hz 5Vp p 30Hz 100 4 11 4 12 4 13 SERVO SYSTEM CONTROL MA 335 3 9 ...

Page 43: ... DIAGRAM Ref No MA 335 Board 1 000 Series See page 4 3 for MA 335 BOARD printed wiring board SLV M20HF MA 335 BOARD IC501 º REC PB ª IC500 3 REC PB 2Vp p H IC500 9 REC PB 503 5kHz 0 65Vp p 5Vp p 14 31818MHz 4 15 4 16 ON SCREEN DISPLAY MA 335 4 9 ...

Page 44: ... 17 4 18 MA 335 DSF SCHEMATIC DIAGRAM Ref No MA 335 Board 1 000 Series See page 4 3 for MA 335 BOARD printed wiring board º Q802 Q810 E PB 0 1V div 0 1µsec div 0 2V div 0 1µsec div MA 335 BOARD B PB DSF MA 335 5 9 ...

Page 45: ...SLV M20HF 4 19 4 20 AFM AUDIO MA 335 6 9 MA 335 AFM AUDIO SCHEMATIC DIAGRAM Ref No MA 335 Board 1 000 Series See page 4 3 for MA 335 BOARD printed wiring board ...

Page 46: ...SLV M20HF 4 21 4 22 TUNER MA 335 7 9 MA 335 TUNER SCHEMATIC DIAGRAM Ref No MA 335 Board 1 000 Series See page 4 3 for MA 335 BOARD printed wiring board ...

Page 47: ...SLV M20HF 4 23 4 24 POWER SUPPLY MA 335 8 9 MA 335 POWER SUPPLY SCHEMATIC DIAGRAM Ref No MA 335 Board 1 000 Series See page 4 3 for MA 335 BOARD printed wiring board ...

Page 48: ...SLV M20HF MA 335 AV BUS SCHEMATIC DIAGRAM Ref No MA 335 Board 1 000 Series See page 4 3 for MA 335 BOARD printed wiring board 4 25 4 26 AV BUS MA 335 9 9 ...

Page 49: ... TUNER FR 139B MODE CONTROL DM 81A OPERATION SWITCHES POWER BLOCK SR821 AJ 2A LINE 2 IN MG 21 SMART FILE GUIDE PLUS AN 17A FRONT SMART FILE SENSOR AN 16A INNER SMART FILE SENSOR WRITER FR 139BOARD 1 IC460 REC PB 4Vp p 16MHz 2 IC460 REC PB 2Vp p 32 768kHz FR 139 BOARD MODE CONTROL FR 139 CN460 A 11 CN461 D 1 CN464 D 10 D420 B 10 D460 A 13 D462 B 10 D463 B 10 D464 B 10 IC460 B 11 IC462 C 13 IC463 D ...

Page 50: ...SLV M20HF FR 139 MODE CONTROL SCHEMATIC DIAGRAM Ref No FR 139 Board 2 000 Series 4 29 4 30 MODE CONTROL FR 139 ...

Page 51: ...DEO AUDIO SERVO SYSTEM CONTROL TUNER FR 139B MODE CONTROL DM 81A OPERATION SWITCHES POWER BLOCK SR821 AJ 2A LINE 2 IN MG 21 SMART FILE GUIDE PLUS AN 17A FRONT SMART FILE SENSOR AN 16A INNER SMART FILE SENSOR WRITER OPERATION SWITCHES DM 81 AJ 2 LINE 2 IN PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM Ref No AJ 2 Board 3 000 Series There are few cases that the part printed on this diagram isn t mounted...

Page 52: ...ses that the part printed on this diagram isn t mounted in this model 4 33 MA 335B REC PB AMP VIDEO AUDIO SERVO SYSTEM CONTROL TUNER FR 139B MODE CONTROL DM 81A OPERATION SWITCHES POWER BLOCK SR821 AJ 2A LINE 2 IN MG 21 SMART FILE GUIDE PLUS AN 17A FRONT SMART FILE SENSOR AN 16A INNER SMART FILE SENSOR WRITER INNER SMART FILE SENSOR WRITER FRONT SMART FILE SENSOR AN 16 AN 17 ...

Page 53: ... SYSTEM CONTROL TUNER FR 139B MODE CONTROL DM 81A OPERATION SWITCHES POWER BLOCK SR821 AJ 2A LINE 2 IN MG 21 SMART FILE GUIDE PLUS AN 17A FRONT SMART FILE SENSOR AN 16A INNER SMART FILE SENSOR WRITER 4 35 4 36 CONDUCTOR SIDE MG 21 MG 21 BOARD CONDUCTOR SIDE D005 D 3 D007 C 8 D008 D 3 D303 A 5 D304 D 6 D305 B 8 D306 C 4 D351 D 6 D401 A 6 D402 A 4 D403 A 7 D404 A 4 Q003 A 2 Q012 B 2 Q015 C 3 Q302 B ...

Page 54: ...TCHES POWER BLOCK SR821 AJ 2A LINE 2 IN MG 21 SMART FILE GUIDE PLUS AN 17A FRONT SMART FILE SENSOR AN 16A INNER SMART FILE SENSOR WRITER MG 21 BOARD COMPONENT SIDE CN001 A 8 CN002 C 8 CN003 D 4 CN004 D 8 CN301 D 2 D001 C 8 D002 A 8 D003 A 6 D004 A 6 IC001 A 6 IC002 A 7 IC003 B 7 IC301 B 4 IC311 D 3 IC331 D 2 IC373 C 3 IC401 B 5 IC402 A 4 IC501 A 1 IC502 B 2 Q001 B 8 Q002 A 8 Q004 C 8 Q005 A 8 Q006...

Page 55: ...SLV M20HF 4 39 4 40 SMART FILE MG 21 1 3 MG 21 SMART FILE SCHEMATIC DIAGRAM Ref No MG 21 Board 3 000 Series 1 IC002 2 IC003 MG 21 BOARD 3 3Vp p 13 56MHz 3Vp p 16MHz ...

Page 56: ...SLV M20HF MG 21 GUIDE PLUS SMART FILE SCHEMATIC DIAGRAM Ref No MG 21 Board 3 000 Series 4 41 4 42 GUIDE PLUS MG 21 2 3 5 IC301 OSCI 3 6Vp p 4 0MHz MG 21 BOARD ...

Page 57: ...V M20HF MG 21 VIDEO ENCODER SMART FILE SCHEMATIC DIAGRAM Ref No MG 21 Board 3 000 Series 4 43 4 44 VIDEO ENCODER MG 21 3 3 3 IC502 3 H VCO1 4 IC502 CHR VCO1 MG 21BOARD 0 4Vp p 4 03MHz 40mVp p 14 31818MHz ...

Page 58: ...C101 R109 D104 R107 C110 0 047 D103 R104 10K R102 100K C107 4 7 50 R103 100K C106 120 200 D106 C109 0 033 400 FB1 D102 R106 33K 3 T101 POWER TRANSFORMER D201 D202 D204 C202 1000 16 D205 C201 47 50 L202 20uH C203 220 16 C205 470 10 L203 20uH C206 47 50 R207 R206 1 8K PC101 D206 C208 1 50 IC201 SHUNT REG Q101 102 SWITCHING 1N4005 EG01 ERA15 02 1SS119 RD3 0ES PR1003 RD51F PR1003 S3L20U D3S4M 2SC4040 ...

Page 59: ...in period in proportional to tape speed 7 360Hz pulse 8 Pulse at tape running 9 Approx 2 msec period H or L pulse 10 Approx 1 5 msec period H or L pulse 11 L when FWD SLOW H when RVS SLOW Signal REC CTL CAP STOP STEP PLS PB CTL DRM PG DRM FG CAP FG CAP DA DRM DA CTL RESET Pin No 7 ª ª º 8 I O O O O D O I I I I O O I O STOP Hi Z L L H 4 4 H L 8 10 Hi Z FF Hi Z Hi Z O D L 6 1 7 6 8 10 Hi Z REW Hi Z ...

Page 60: ...L FG T E LED CAP STOP CAP RVS T SENS S SENS Pin No 9 º ª I O HI Z I I I I I I I O O D O O D O I I EJECTED L H H L L H H L H L 4 L H 4 4 CASSETTE LOADING H L L L H 2 H L H L 4 L 4 4 CASSETTE UNLOADING L L L L H 2 H L H L 4 L 4 4 TAPE THREADING H 1 1 1 1 2 H L 3 4 H L 6 6 TAPE UNTHREADING L 1 1 1 1 2 H L 3 4 H H 6 6 STOP 7 H H H L 2 H L H L 4 L H L 6 6 FF 7 H H L H 2 3 3 4 H L 6 6 REW 7 H H L H 2 3 ...

Page 61: ...lock 16MHz System clock 16MHz Servo system control microcomputer chip select signal Serial communication signal Serial communication signal Serial communication signal NICOL control signal out Cable box control signal out Forced mono Pin No 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Pin Name...

Page 62: ... WC LANC IN LANC OUT A D 0 A D 1 A D 2 A D 3 A D 4 ML LED X CS AFT AVDD AV REF SCL 0 CG CS SDA 0 JOG LED AVSS EXTAL XTAL VSS RST PLL CLK PLL DATA PLL ENABLE MAIN SAP SAP DET V SET CS DMS 1 DMS 2 VFDP SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 I O I I I I I O O O O I I O O I O I I I I I O O I I O O O O I I O O O O O O I I I O O O O O O Function Not used Power failure detect signal input H DET_ TUNER H SYNC dete...

Page 63: ...pattern generator is used as an adjustment signal to perform electrical alignment for this unit This video signal must satisfy the specification Unless otherwise specified place the switches and controls of this unit in the following positions INPUT SELECT switch LINE or LINE 1 Remote commander Connect an oscilloscope to theVideo Input terminal Check that the synchronizing signal of the Y signal h...

Page 64: ...hms 2 1 6 Adjustment Sequence The adjustments should be performed in the following sequence 2 2 POWER SUPPLY CHECK 2 2 1 Output Voltage Check MA 335 Board Mode E E Measuring Instrument Digital voltmeter SW 12V Check Measurement point IC601 pin 2 Specified value 12 0 0 3V MTR12V Check Measurement point Q605 C Specified value 13 2 1 0V SW5V Check Measurement point Q603 E Specified value 5 1 0 3V Che...

Page 65: ...value 6 5 0 5H 410 32 µsec Adjustment Method 1 Short circuit between JS161 and ground for about 1 second to activate the RF switching position adjustment mode 2 Check that AP is indicated on FL display 3 Using the channel and buttons adjust to 410 32 µsec 6 5 0 5H 4 Press the PAUSE button Adjustment is over for mono models 5 The set goes to the AF switching position adjustment mode Fig 6 2 3 6 Che...

Page 66: ...djustment of the recording mode Check that the signal satisfies the specified value designated in the Check of input signal Fig 6 2 2 Unless otherwise specified set the switches to the following positions INPUT SELECT switch LINE 1 TAPE SPEED switch SP Remote commander Checking Sequence 1 X tal OSC Check 2 SYNC AGC Check 3 Recording Y Level Check 4 Recording Chroma Level Check 5 Playback Level Che...

Page 67: ...oint CJ570 Measuring instrument Audio level meter Specified value 7 5 2dBs Check Method 1 Input signal of 400Hz and 7 5dBs to the CJ461 L R 2 Check that the audio output level is 7 5 3dBs 2 4 4 Recording Chroma Level Check MA 335 Board Mode Recording SP Signal Color bar Measurement point IC201 pin Measuring instrument Oscilloscope Specified value A 450 70mVp p Check Method 1 Confirm the amplitude ...

Page 68: ... plug into the Audio LINE IN terminal Measurement point CJ570 Measuring instrument Audio level meter Specified value 45 5dBs or less Check Method 1 Record 2 Playback recorded portion 3 Check that noise level is 45 5dBs or less 2 6 TUNER SYSTEM ADJUSTMENT 2 6 1 Separation Adjustment MA 335 Board Mode E E Signal RF signal Video Color bar white 100 modulation Audio L 400Hz R 2kHz 30 modulation Electr...

Page 69: ... 335 BOARD CONDUCTOR SIDE 6 8E 4 1 CN261 RF SW POS AF SW POS CN341 AF SW POS 2 4 1 2 5 4 0 8 0 6 5 4 1 6 4 Video System Adj JS161 RF SW POS AF SW POS CJ570 LINE IN OUT I C 2 0 1 SW12V IC601 1 SW5V Q603 E 3 1 MTR12V E Q605 SEPARATION RV731 4 ...

Page 70: ... 12 4 15 14 5 6 7 7 8 9 10 11 13 15 15 15 15 15 16 not supplied not supplied not supplied Antenna large shield plate not supplied Ref No Part No Description Remarks Ref No Part No Description Remarks 7 1 1 FRONT PANEL ASSEMBLY AND UPPER CASE SECTION 1 3 979 310 01 RING AV JOG 2 3 979 309 01 BUTTON AV CENTER 3 X 3948 111 1 PANEL ASSY FRONT 4 A 6791 566 A AJ 2A BOARD COMPLETE 5 3 953 432 01 SPRING G...

Page 71: ...ption Remarks 7 1 2 CHASSIS SECTION Note The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Note Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer que par une pièce portant le numéro spécifié 52 A 6791 607 A MA 335B BOARD COMPLETE 53 3 682 057 11 SPACER SMALL 54 1 468 308 11 POWER BLOCK ...

Page 72: ...PLETE ASSY 708 3 977 535 01 PLATE LUMINOUS END SENSOR 709 3 977 536 01 PLATE LUMINOUS TOP SENSOR 710 3 970 471 01 SPRING DECK OPEN TORSION 711 A 6759 615 A PRESS BLOCK ASSY PINCH 712 3 958 455 01 SPRING PINCH TENSION 713 3 977 447 01 GEAR ELEVATOR 714 3 977 514 01 OPENER LID 715 3 977 441 01 GEAR PINCH PRESSING 716 3 977 445 01 GEAR TG8 ARM DRIVING 717 3 977 465 01 SPRING EXTENSION RVS BRAKE 718 X...

Page 73: ... 3 976 767 01 SPRING TENS REC PROOF 757 3 977 487 01 BOSS TG1 FULCRUM 758 X 3947 587 1 TG1 ASSY 759 X 3947 589 1 BAND ASSY TG1 760 3 977 488 01 SPRING POWER TENSION 761 A 6750 324 A SHUTTLE S BLOCK ASSY 762 X 3944 378 1 ROLLER ASSY GUIDE 763 3 965 178 01 SPRING 764 3 969 632 04 BASE DRUM 765 A 6750 325 A SHUTTLE T BLOCK ASSY 766 3 977 501 01 PLATE LUMINOUS 767 X 3943 899 8 GROUND ASSY SHAFT 771 A ...

Page 74: ...7 518 02 PLATE LIMITTER FL 811 3 977 516 01 HOLDER FL SLIDER 812 3 977 877 01 PLATE RETAINER 813 3 977 504 01 GEAR CLUTCH 814 X 3947 585 1 GEAR ASSY PULLEY 815 3 977 510 01 BELT RUBBER 816 3 977 440 01 WASHER STOPPER 817 3 977 439 01 GEAR CAM 818 3 977 442 01 SLIDER 819 3 977 455 01 GEAR LOADING T 820 3 977 456 03 SPRING TORSION LOAD T 821 X 3947 579 1 LEVER ASSY LOADING T 822 3 977 451 01 GEAR LO...

Page 75: ...D804 8 719 421 59 DIODE MA3130WA TX RESISTOR R801 1 216 295 00 METAL CHIP 0 5 1 10W R802 1 216 295 00 METAL CHIP 0 5 1 10W R803 1 216 022 00 METAL CHIP 75 5 1 10W A 6791 571 A AN 16A BOARD COMPLETE Ref No 3 000 Series CAPACITOR C201 1 163 136 00 CERAMIC CHIP 620PF 1 50V CONNECTOR CN201 1 506 468 11 PIN CONNECTOR 3P RESISTOR R201 1 216 295 00 METAL CHIP 0 5 1 10W R202 1 216 295 00 METAL CHIP 0 5 1 ...

Page 76: ...6 1 216 057 00 METAL CHIP 2 2K 5 1 10W R407 1 216 057 00 METAL CHIP 2 2K 5 1 10W R408 1 216 061 00 METAL CHIP 3 3K 5 1 10W R409 1 216 065 91 RES CHIP 4 7K 5 1 10W R410 1 216 075 00 METAL CHIP 12K 5 1 10W R411 1 216 057 00 METAL CHIP 2 2K 5 1 10W R412 1 216 073 00 METAL CHIP 10K 5 1 10W R413 1 216 073 00 METAL CHIP 10K 5 1 10W R415 1 216 073 00 METAL CHIP 10K 5 1 10W R416 1 216 073 00 METAL CHIP 10...

Page 77: ... 10 10V C222 1 163 038 00 CERAMIC CHIP 0 1uF 25V C223 1 124 589 11 ELECT 47uF 20 16V C226 1 163 038 00 CERAMIC CHIP 0 1uF 25V C228 1 124 261 00 ELECT 10uF 20 50V C229 1 164 159 21 CERAMIC 0 1uF 50V C230 1 124 589 11 ELECT 47uF 20 16V C231 1 124 261 00 ELECT 10uF 20 50V C232 1 109 982 11 CERAMIC CHIP 1uF 10 10V C233 1 109 982 11 CERAMIC CHIP 1uF 10 10V C234 1 164 232 11 CERAMIC CHIP 0 01uF 50V C235...

Page 78: ...164 232 11 CERAMIC CHIP 0 01uF 50V C507 1 163 038 00 CERAMIC CHIP 0 1uF 25V C508 1 163 237 11 CERAMIC CHIP 27PF 5 50V C509 1 164 505 11 CERAMIC CHIP 2 2uF 16V C511 1 163 229 11 CERAMIC CHIP 12PF 5 50V C512 1 163 235 11 CERAMIC CHIP 22PF 5 50V C513 1 164 232 11 CERAMIC CHIP 0 01uF 50V C514 1 163 237 11 CERAMIC CHIP 27PF 5 50V C515 1 124 589 11 ELECT 47uF 20 16V C516 1 126 160 11 ELECT 1uF 20 50V C5...

Page 79: ...062M IC101 8 759 481 46 IC LB1943 IC140 8 759 100 93 IC UPC393G2 IC141 8 759 438 83 IC BA6305F E2 IC161 8 752 895 52 IC CXP87852 044Q IC201 8 759 488 74 IC LA71534M MPB IC202 8 759 439 51 IC LC89978M TE L IC260 8 759 352 17 IC HA118195NT IC301 8 759 499 30 IC BA7755AF E2 IC340 8 759 486 92 IC LA7256 IC360 8 759 486 64 IC TDA9615H N1 557 IC500 8 759 529 44 IC MB90089PF G 209 BND ER IC501 8 759 164 ...

Page 80: ... 8 729 216 21 TRANSISTOR 2SA1162 Y Q210 8 729 230 49 TRANSISTOR 2SC2712 YG Q211 8 729 230 49 TRANSISTOR 2SC2712 YG Q214 8 729 421 19 TRANSISTOR UN2213 Q260 8 729 230 49 TRANSISTOR 2SC2712 YG Q301 8 729 281 53 TRANSISTOR 2SC1815 GR Q331 8 729 802 91 TRANSISTOR 2SD879 Q379 8 729 216 22 TRANSISTOR 2SA1162 G Q386 8 729 230 49 TRANSISTOR 2SC2712 YG Q387 8 729 230 49 TRANSISTOR 2SC2712 YG Q502 8 729 010...

Page 81: ...6 041 00 METAL CHIP 470 5 1 10W R260 1 216 044 00 METAL CHIP 620 5 1 10W R261 1 216 044 00 METAL CHIP 620 5 1 10W R262 1 216 295 00 METAL CHIP 0 5 1 10W R263 1 216 295 00 METAL CHIP 0 5 1 10W R264 1 216 295 00 METAL CHIP 0 5 1 10W R265 1 216 295 00 METAL CHIP 0 5 1 10W R266 1 216 053 00 METAL CHIP 1 5K 5 1 10W R267 1 216 073 00 METAL CHIP 10K 5 1 10W R268 1 216 081 00 METAL CHIP 22K 5 1 10W R269 1...

Page 82: ... METAL CHIP 390 5 1 10W R805 1 216 049 00 METAL CHIP 1K 5 1 10W R806 1 216 043 91 RES CHIP 560 5 1 10W R807 1 216 039 00 METAL CHIP 390 5 1 10W R808 1 216 033 00 METAL CHIP 220 5 1 10W R809 1 216 077 00 METAL CHIP 15K 5 1 10W R810 1 216 075 00 METAL CHIP 12K 5 1 10W R811 1 216 033 00 METAL CHIP 220 5 1 10W R812 1 216 043 91 RES CHIP 560 5 1 10W R813 1 216 069 00 METAL CHIP 6 8K 5 1 10W R814 1 216 ...

Page 83: ...HIP 27PF 5 50V C313 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C314 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C315 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C316 1 124 584 00 ELECT 100uF 20 10V C317 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C318 1 126 919 11 ELECT 6800uF 20 6 3V C319 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C320 1 164 004 11 CERAMIC CHIP 0 1uF 10 25V C321 1 109 982 11 CERAMIC CHIP 1uF 10 10V C32...

Page 84: ...8 759 535 83 IC MX23C4000PC 12 GP1 IC402 8 759 535 82 IC MSM514260CSL 60JSDR1 IC501 8 759 182 84 IC PQ05SZ5U IC502 8 759 351 44 IC MC1378FNR2 JUMPER JS001 1 216 295 00 METAL CHIP 0 5 1 10W COIL L002 1 414 934 21 INDUCTOR 10uH L003 1 414 934 21 INDUCTOR 10uH L006 1 414 934 21 INDUCTOR 10uH L007 1 414 934 21 INDUCTOR 10uH L008 1 414 940 21 INDUCTOR 100uH L009 1 414 936 21 INDUCTOR 22uH L010 1 414 93...

Page 85: ...ETAL CHIP 0 5 1 10W R085 1 216 295 00 METAL CHIP 0 5 1 10W R086 1 216 295 00 METAL CHIP 0 5 1 10W R087 1 216 295 00 METAL CHIP 0 5 1 10W R088 1 216 295 00 METAL CHIP 0 5 1 10W R089 1 216 295 00 METAL CHIP 0 5 1 10W R090 1 216 295 00 METAL CHIP 0 5 1 10W R091 1 216 295 00 METAL CHIP 0 5 1 10W R301 1 216 073 00 METAL CHIP 10K 5 1 10W R302 1 216 073 00 METAL CHIP 10K 5 1 10W R303 1 216 073 00 METAL C...

Page 86: ...z X501 1 567 878 11 OSCILLATOR CRYSTAL 14 31818MHz X502 1 760 798 11 VIBRATOR CERAMIC 4 03MHz 1 468 308 11 POWER BLOCK SR821 Ref No 9 000 Series CAPACITOR C101 1 104 705 51 FILM 0 1uF 250V C102 1 104 705 51 FILM 0 1uF 250V C106 1 119 882 41 ELECT 120uF 200V C107 1 126 963 11 ELECT 4 7uF 50V C110 1 130 491 51 FILM 0 047uF 50V C111 1 130 491 51 FILM 0 047uF 50V C201 1 126 967 11 ELECT 47uF 50V C202 ...

Page 87: ...1 783 325 11 CORD CONNECTION CABLE MOUSE 3 709 044 01 COVER BATTERY 3 861 574 11 MANUAL INSTRUCTION ENGLISH 3 861 574 21 MANUAL INSTRUCTION FRENCH CND 3 972 850 01 BUTTON FUNCTION 3 973 077 31 RING CHANGE SPEED 3 979 317 01 CUSHION 3 979 512 01 SPACER 3 987 412 11 INDIVIDUAL CARTON HARDWARE LIST 1 7 685 648 79 SCREW BVTP 3X12 TYPE2 IT 3 2 7 685 646 79 SCREW BVTP 3X8 TYPE2 IT 3 701 7 685 646 79 SCR...

Page 88: ...SLV M20HF 130 Sony Corporation Home A V Products Company 9 921 691 11 98G1637 1 Printed in Japan 1998 7 Published by Quality Assurance Dept Osaki East ...

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