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Sony SLV-M20HF Service Manual

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SERVICE MANUAL
G
j
• Refer to the SERVICE MANUAL of VHS MECHANICAL
ADJUSTMENT
for MECHANICAL ADJUSTMENTS.
(9-921-647-11)
MICROFILM
SLV-M20HF
SPECIFICATIONS
VIDEO CASSETTE RECORDER
RMT-V250
US Model
Canadian Model
S MECHANISM

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  • Page 1 SLV-M20HF RMT-V250 SERVICE MANUAL US Model Canadian Model • Refer to the SERVICE MANUAL of VHS MECHANICAL ADJUSTMENT for MECHANICAL ADJUSTMENTS. S MECHANISM (9-921-647-11) SPECIFICATIONS VIDEO CASSETTE RECORDER MICROFILM...
  • Page 2 MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SERVICE NOTE 4-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS ············································ 4-3 ERROR CODE INDICATION ··········································· 5 • MA-335 (REC/PB AMP, VIDEO, SERVO/SYSTEM CONTROL, AUDIO, TUNER) GENERAL PRINTED WIRING BOARD ························· 4-3 Basic Operations • MA-335 (REC/PB AMP) SCHEMATIC DIAGRAM ·· 4-5 Playing a tape ·········································································...
  • Page 4 ADJUSTMENTS MECHANICAL ADJUSTMENTS ································· 6-1 6-2. ELECTRICAL ADJUSTMENTS ··································· 6-1 2-1. PREPARATION BEFORE ADJUSTMENT ··················· 6-1 2-1-1. Equipment Required ························································ 6-1 2-1-2. Equipment Connection ···················································· 6-1 2-1-3. Input Signal Check ·························································· 6-1 2-1-4. Alignment Tape ······························································· 6-1 2-1-5. Input/Output Levels and Impedance ······························· 6-2 2-1-6.

  • Page 5: Service Note

    SLV-M20HF SERVICE NOTE 1. ERROR CODE INDICATION • Error codes are indicated using the lower 5 digits in the fluorescent display tube. “At this time, Colon “:” between character is not indicated.” Mode code indication when the error has occurred.

  • Page 6: General

    SLV-M20HF SECTION 1 This section is extracted GENERAL from instruction manual.
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  • Page 27: Disassembly

    SLV-M20HF SECTION 2 DISASSEMBLY NOTE: Follow the disassembly procedure in the numerical order given. 2-1. UPPER CASE, FRONT PANEL BLOCK ASSEMBLY 1 Screws (case) Upper case 3 Connector From CN423 on MA-335 board 4 Hooks 1 Screws (case) 3 Flat cable...

  • Page 28: Power Block, Ma-335 Board

    2-4. POWER BLOCK, MA-335 BOARD (WITH S MECHANISM DECK) 1 Remove two screws securing NL holder and remove NL holder. 2 Connector (From CN201 on power block) 3 Screws 4 Power block 5 Screws 6 MA-335 board (with S mechanism deck) 2-5.

  • Page 29: Internal Views

    2-6. INTERNAL VIEWS — Top View — M901 Drum Assembly DZH-94A/Z-RP 8-839-044-02 ACE head block assembly A-6759-620-A Pinch press block assembly FE head A-6759-615-A 1-500-144-11 FL complete assembly A-6759-619-C Reel (T) table Reel (S) table 3-977-508-01 3-977-507-01 — Bottom View — M902 DC motor (capstan) 1-698-971-11...

  • Page 30: Circuit Boards Location

    2-7. CIRCUIT BOARDS LOCATION MA-335B MG-21 REC/PB AMP, VIDEO, AUDIO, SMART FILE, SERVO/SYSTEM CONTROL, GUIDE PLUS TUNER AN-16A INNER SMART FILE SENSOR/WRITER AJ-2A (LINE-2 IN) AN-17A FRONT SMART FILE SENSOR POWER BLOCK SR821 FR-139B DM-81A (MODE CONTROL) (OPERATION SWITCHES) 2-4E...

  • Page 31: Block Diagrams

    SLV-M20HF SECTION 3 BLOCK DIAGRAMS 3-1. OVERALL BLOCK DIAGRAM (SEE PAGE 4-32) MA-335 BOARD (SEE PAGE 4-5,8,11,15,17,19,21,23,25) AJ-2 IC500 TU700 VHF/ Q560 BOARD VIDEO TUNER/MOD/IF RF VIDEO VIDEO CJ801 SO 0 CJ570 IC160 DRUM MOTOR LINE 2 L VIDEO 2...

  • Page 32: Video Block Diagram

    SLV-M20HF 3-2. VIDEO BLOCK DIAGRAM MA-335 BOARD CN501 (SEE PAGE 4-5,8,15,17,19) OSD V IN OSD V OUT TO/FROM IC501 !º REC/PB OSD V SYNC MG-21 BLOCK OSD H SYNC CJ570 503.5kHz 0.65Vp-p LINE Q502 Q560 IC500 3, @∞ REC/PB IC501...

  • Page 33: Servo/System Control Block Diagram

    SLV-M20HF 3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM MA-335 BOARD (SEE PAGE 4-8, 11, 26) IC161 (2/2) SYSTEM CONTROL M12V SDA 0 I2C DATA1 IC360 41 D161 L161 DRUM MOTOR AVREF SCL 0 I2C CLOCK1 IC360 42 D109 CN101 AVDD M901 A MUTE...

  • Page 34: Audio Block Diagram

    SLV-M20HF 3-4. AUDIO BLOCK DIAGRAM MA-335 BOARD (SEE PAGE 4-5, 21) FM PB HF ADJ CHECK IC360 CN341 SW5V SW12V IC340 AUDIO PROCESSOR L341 (HIFI) REC/PB SW12V SW12V DRUM CJ570 AUDIO CN260 HEAD LINE MUTE AUDIO OUTPUT FM PB Q387...

  • Page 35: Mode Control Block Diagram

    SLV-M20HF 3-5. MODE CONTROL BLOCK DIAGRAM MG-21 BOARD (SEE PAGE 4-34) (SEE PAGE 4-39,41,43) IC002 AN-17 IC003 MANCHESTER CODE MOD./DEMOD. BOARD SMARTFILE CONTROL /SERIAL TRANSFER CONTROL Q015 Q001-003,005 CNJ001 Q007,010,016,017 CN001 CN101 DSS IN CAR L+ CAR L- EXTAL SCK1...

  • Page 36: Tuner Block Diagram

    SLV-M20HF 3-6. TUNER BLOCK DIAGRAM MA-335 BOARD SW5V (SEE PAGE 4-23) L704 L731 L703 TU700 TUNER/MOD/IF TU VIDEO IC201 32 VIDEO SPLITTER BLOCK IC733 (SEE PAGE 3-3) VHF/ ST/BILINGUAL PROCESSOR TU AUDIO L IC360 AUDIO BLOCK CH 4 TU AUDIO R...

  • Page 37: Power Supply Block Diagram

    SLV-M20HF 3-7. POWER SUPPLY BLOCK DIAGRAM IC373 POWER AVDD1 DOWN AVDD0 IC311 AVDD2 IC301 R320 IC502 IC501 GUIDE D304 PLUS VDD2 VIDEO ENCODER DECODER IC331 FL301 VDD1 D351 D303 L502 VCC 31 VDD0 L351 L301 VIDEO SW IC002 MA-335 BOARD...

  • Page 38: Printed Wiring Boards And Schematic Diagrams

    SLV-M20HF SECTION 4 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 4-1. FRAME SCHEMATIC DIAGRAM FRAME SCHEMATIC DIAGRAM...

  • Page 39: Printed Wiring Boards And Schematic Diagrams

    SLV-M20HF 4-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS There are few cases that the part printed on this diagram isn’t mounted in this model. MA-335 (REC/PB AMP, VIDEO, SERVO/SYSTEM CONTROL, AUDIO, TUNER) PRINTED WIRING BOARD — Ref. No.: MA-335 Board; 1,000 Series —...

  • Page 40: Rec/Pb Amp) Schematic Diagram

    SLV-M20HF MA-335 (REC/PB AMP) SCHEMATIC DIAGRAM — Ref. No.: MA-335 Board; 1,000 Series — MA-335 BOARD THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. MA-335 BOARD IC260 4 REC (In addition to this, the necessary note is...

  • Page 41: Video, Normal Audio

    SLV-M20HF MA-335 (VIDEO, NORMAL AUDIO) SCHEMATIC DIAGRAM — Ref. No.: MA-335 Board; 1,000 Series — • See page 4-3 for MA-335 BOARD printed wiring board. MA-335 BOARD !£ IC201 !∞ PB IC201 #• REC/ PB CN261 2 PB 2Vp-p 200mV/Div 0.1µsec/div...

  • Page 42: Servo/System Control

    SLV-M20HF MA-335 (SERVO/SYSTEM CONTROL) SCHEMATIC DIAGRAM • See page 4-3 for MA-335 BOARD printed wiring board. — Ref. No.: MA-335 Board; 1,000 Series — MA-335 BOARD !¶ @£ IC161 1 REC/PB IC161 ^• REC/PB !• IC161 5Vp-p 5Vp-p 30Hz 30Hz @¢...

  • Page 43: On Screen Display

    SLV-M20HF SLV-M20HF • See page 4-3 for MA-335 BOARD printed wiring board. MA-335 (ON SCREEN DISPLAY) SCHEMATIC DIAGRAM — Ref. No.: MA-335 Board; 1,000 Series — MA-335 BOARD @¶ @• @ª IC501 !º REC/PB IC500 9 REC/PB IC500 3, @∞ REC/PB...

  • Page 44: Dsf) Schematic Diagram

    SLV-M20HF MA-335 (DSF) SCHEMATIC DIAGRAM • See page 4-3 for MA-335 BOARD printed wiring board. — Ref. No.: MA-335 Board; 1,000 Series — MA-335 BOARD #º #¡ B PB Q810 E PB Q802 0.2V/div 0.1V/div 0.1µsec/div 0.1µsec/div 4-17 4-18 MA-335 (5/9)

  • Page 45: Afm Audio

    SLV-M20HF MA-335 (AFM AUDIO) SCHEMATIC DIAGRAM • See page 4-3 for MA-335 BOARD printed wiring board. — Ref. No.: MA-335 Board; 1,000 Series — AFM AUDIO 4-19 4-20 MA-335 (6/9)

  • Page 46: Tuner) Schematic Diagram

    SLV-M20HF MA-335 (TUNER) SCHEMATIC DIAGRAM • See page 4-3 for MA-335 BOARD printed wiring board. — Ref. No.: MA-335 Board; 1,000 Series — TUNER 4-21 4-22 MA-335 (7/9)

  • Page 47: Power Supply

    SLV-M20HF MA-335 (POWER SUPPLY) SCHEMATIC DIAGRAM • See page 4-3 for MA-335 BOARD printed wiring board. — Ref. No.: MA-335 Board; 1,000 Series — POWER SUPPLY 4-23 4-24 MA-335 (8/9)

  • Page 48: Av-Bus) Schematic Diagram

    SLV-M20HF MA-335 (AV-BUS) SCHEMATIC DIAGRAM • See page 4-3 for MA-335 BOARD printed wiring board. — Ref. No.: MA-335 Board; 1,000 Series — AV-BUS 4-25 4-26 MA-335 (9/9)

  • Page 49: Operation Switches)

    SLV-M20HF FR-139 (MODE CONTROL) PRINTED WIRING BOARD There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No.: FR-139 Board; 2,000 Series — FR-139 BOARD MA-335B MG-21 CN460 A-11 REC/PB AMP, VIDEO, AUDIO,...
  • Page 50 SLV-M20HF FR-139 (MODE CONTROL) SCHEMATIC DIAGRAM — Ref. No.: FR-139 Board; 2,000 Series — MODE CONTROL 4-29 4-30 FR-139...

  • Page 51: Printed Wiring Board And Schematic Diagram

    SLV-M20HF There are few cases that the part printed on this diagram isn’t mounted in this model. There are few cases that the part printed on this diagram isn’t mounted in this model. DM-81 (OPERATION SWITCHES) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM AJ-2 (LINE-2 IN) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM —...

  • Page 52: Line-2 In)

    SLV-M20HF AN-16 (INNER SMART FILE SENSOR/WRITER), AN-17 (FRONT SMART FILE SENSOR) PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No.: AN-16, AN-17 Board; 3,000 Series —...
  • Page 53 SLV-M20HF MG-21 (CONDUCTOR SIDE) (SMART FILE) PRINTED WIRING BOARD There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No.: MG-21 Board; 3,000 Series — MG-21 BOARD (CONDUCTOR SIDE) MA-335B MG-21 REC/PB AMP, VIDEO, AUDIO,...
  • Page 54 SLV-M20HF MG-21 (COMPONENT SIDE) (SMART FILE) PRINTED WIRING BOARD There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No.: MG-21 Board; 3,000 Series — MG-21 BOARD (COMPONENT SIDE) MA-335B MG-21 REC/PB AMP, VIDEO, AUDIO,...

  • Page 55: Smart File

    SLV-M20HF MG-21 (SMART FILE) SCHEMATIC DIAGRAM — Ref. No.: MG-21 Board; 3,000 Series — MG-21 BOARD IC002 !∞ IC003 #™ 3Vp-p 3.3Vp-p 16MHz 13.56MHz SMART FILE 4-39 4-40 MG-21 (1/3)

  • Page 56: Guide Plus) (Smart File)

    SLV-M20HF MG-21 (GUIDE PLUS) (SMART FILE) SCHEMATIC DIAGRAM — Ref. No.: MG-21 Board; 3,000 Series — MG-21 BOARD IC301 ^§ OSCI 3.6Vp-p 4.0MHz GUIDE PLUS 4-41 4-42 MG-21 (2/3)

  • Page 57: Video Encoder) (Smart File)

    SLV-M20HF MG-21 (VIDEO ENCODER) (SMART FILE) SCHEMATIC DIAGRAM — Ref. No.: MG-21 Board; 3,000 Series — MG-21 BOARD IC502 3 H.VCO1 IC502 !¡ CHR.VCO1 40mVp-p 0.4Vp-p 4.03MHz 14.31818MHz VIDEO ENCODER 4-43 4-44 MG-21 (3/3)
  • Page 58 SLV-M20HF POWER BLOCK SR821 (SWITCHING REGULATOR) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No.: SR821 Board; 9,000 Series — POWER BLOCK (SR821) T101 POWER TRANSFORMER...

  • Page 59: Interface, Ic Pin Function Description

    SLV-M20HF SECTION 5 INTERFACE, IC PIN FUNCTION DESCRIPTION...

  • Page 61: (Ma-335 Board Ic161)

    5-6. SERVO/SYSTEM CONTROL MICROPROCESSOR PIN FUNCTIONS (MA-335 BOARD IC161) Pin No. Pin Name Function Pin No. Pin Name Function RF SWP RF switching pulse output. Not used. AF REC P “H” when HiFi audio REC. AVSS — Unswitched ground. N.C. —...

  • Page 62: Tuner/Timer Mode Control Pin Functions

    5-7. TUNER/TIMER MODE CONTROL PIN FUNCTIONS (FR-139 BOARD IC460) Pin No. Pin Name Function Pin No. Pin Name Function N.C. Not used. SEG7 Segment terminal 7 POWER FAIL Power failure detect signal input. SEG8 Segment terminal 8. H DET_(TUNER H SYNC detect SEG9 Segment terminal 9.

  • Page 63: Mechanical Adjustments

    SLV-M20HF SECTION 6 ADJUSTMENTS 6-1 MECHANICAL ADJUSTMENTS 2-1-3. Input Signal Check Video signal produced by a pattern generator is used as an adjustment signal to perform electrical alignment for this unit. This video signal For the mechanical adjustments, please refer to the must satisfy the specification.

  • Page 64: Input/Output Levels And Impedance

    2-1-5. Input/Output Levels and Impedance 2-2. POWER SUPPLY CHECK Video input: LINE IN 2-2-1. Output Voltage Check (MA-335 Board) Input signal: 1Vp-p, 75ohms, unbalanced, Mode sync negative Measuring Instrument Digital voltmeter Video output: LINE OUT SW 12V Check Output signal: 1Vp-p, 75ohms, unbalanced, IC601 pin 2 sync negative Measurement point...

  • Page 65: Servo System Check

    2-3. SERVO SYSTEM CHECK Unless otherwise specified, set the switches to the following positions. • INPUT SELECT switch ........... LINE 1 • TAPE SPEED switch ..... SP (Remote commander) 2-3-1. RF Switching Position/ AF Switching Position Adjustments (MA-335 Board) [Adjustment Purpose] To adjust the link of the A-ch and B-ch of the tape playback outputs.

  • Page 66: Video System Checks

    2-4. VIDEO SYSTEM CHECKS 2-4-2. SYNC AGC Check (MA-335 Board) For the video system checks, follow the checking procedures given Mode below as a rule. The color bar video signal supplied from the pattern Signal Color bar generator is used as the video input signal for the video system IC201 pin #•...

  • Page 67: Recording Chroma Level Check (Ma-335 Board)

    2-4-4. Recording Chroma Level Check 2-5. AUDIO SYSTEM ADJUSTMENT (MA-335 Board) • For the adjustment of the audio system, perform in the SP mode if there is no special notes. Use the alignment tape. Mode Recording (SP) Signal Color bar [Connecting Instruments] IC201 pin !¢...

  • Page 68: Overall Noise Level Check

    2-5-3. Overall Output Level and Distortion Factor Check Mode Self-record playback Signal 400Hz, –7.5dBs : CJ570 Measurement point CJ570 Measuring instrument Audio level meter and Distortion meter Specified value Playback Level: –7.5 ± 3dBs Distortion: 4.0% or less [Check Method] 1) Input signal of 400Hz and –7.5dBs to the audio input.

  • Page 69: Adjusting Parts Location Diagram

    2-7. ADJUSTING PARTS LOCATION DIAGRAM MA-335 BOARD (CONDUCTOR SIDE) CJ570 LINE IN/OUT CN261 RF SW POS AF SW POS CN341 AF SW POS IC601 SW12V RV731 SEPARATION JS161 Q605 RF SW POS MTR12V AF SW POS Q603 SW5V 6-8E...

  • Page 70: Repair Parts List

    SLV-M20HF SECTION 7 REPAIR PARTS LIST 7-1. 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 71: Chassis Section

    7-1-2. CHASSIS SECTION not supplied supplied Q102 Q101 * AN holder (not supplied) * Antenna (small) shield plate (not supplied) * When peeling off the antenna (small) shield plate, be sure to apply it to the original position on the AN holder.

  • Page 72: Mechanism Deck-1

    7-1-3. MECHANISM DECK-1 #701 supplied #701 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-977-509-01 WASHER, THRUST 3-977-447-01 GEAR, ELEVATOR 3-977-507-01 TABLE, REEL (S) (GRAY) 3-977-514-01 OPENER, LID 3-977-508-01 TABLE, REEL (T) (BLACK) 3-977-441-01 GEAR, PINCH PRESSING 1-500-144-11 HEAD, FE 3-977-445-01 GEAR, TG8 ARM DRIVING 3-977-495-01 SHAFT TG2...

  • Page 73: Mechanism Deck-2

    7-1-4. MECHANISM DECK-2 #701 #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 ARM ASSY, PENDULUM A-6750-325-A 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 74: Mechanism Deck-3

    7-1-5. MECHANISM DECK-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 75: Electrical Parts List

    AJ-2 AN-16 AN-17 DM-81 FR-139 7-2. 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 The components identified by mark ! or...
  • Page 76 FR-139 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C465 1-126-916-11 ELECT 1000uF 6.3V < RESISTOR > C466 1-163-038-00 CERAMIC CHIP 0.1uF C467 1-126-935-11 ELECT 470uF 6.3V R404 1-216-089-00 METAL CHIP 1/10W C468 1-163-038-00 CERAMIC CHIP 0.1uF R405 1-216-075-00 METAL CHIP...
  • Page 77 FR-139 MA-335 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < VIBRATOR > C219 1-164-159-21 CERAMIC 0.1uF C220 1-109-982-11 CERAMIC CHIP X460 1-760-494-11 VIBRATOR, CRYSTAL 16MHz C222 1-163-038-00 CERAMIC CHIP 0.1uF X461 1-579-463-11 VIBRATOR, CRYSTAL 32.768kHz C223 1-124-589-11 ELECT 47uF...
  • Page 78 MA-335 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C305 1-126-160-11 ELECT C509 1-164-505-11 CERAMIC CHIP 2.2uF C306 1-126-160-11 ELECT C511 1-163-229-11 CERAMIC CHIP 12PF C307 1-126-964-11 ELECT 10uF C512 1-163-235-11 CERAMIC CHIP 22PF C308 1-104-664-11 ELECT 47uF C513 1-164-232-11 CERAMIC CHIP...
  • Page 79 MA-335 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C981 1-104-664-11 ELECT 47uF < IC > C982 1-163-038-00 CERAMIC CHIP 0.1uF C983 1-163-038-00 CERAMIC CHIP 0.1uF IC100 8-759-702-02 IC NJM062M C984 1-163-009-11 CERAMIC CHIP 0.001uF IC101 8-759-481-46 IC LB1943 C985 1-163-017-00 CERAMIC CHIP...
  • Page 80 MA-335 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks JR044 1-216-296-00 METAL CHIP 1/8W Q211 8-729-230-49 TRANSISTOR 2SC2712-YG JR045 1-216-296-00 METAL CHIP 1/8W Q214 8-729-421-19 TRANSISTOR UN2213 JR047 1-216-296-00 METAL CHIP 1/8W Q260 8-729-230-49 TRANSISTOR 2SC2712-YG JR048 1-216-296-00 METAL CHIP 1/8W...
  • Page 81 MA-335 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R131 1-208-806-11 RES,CHIP 0.50% 1/10W R263 1-216-295-00 METAL CHIP 1/10W R132 1-208-806-11 RES,CHIP 0.50% 1/10W R264 1-216-295-00 METAL CHIP 1/10W R133 1-249-436-11 CARBON 1/4W R265 1-216-295-00 METAL CHIP 1/10W R134 1-216-089-00 METAL CHIP...
  • Page 82 MA-335 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R505 1-216-059-00 METAL CHIP 2.7K 1/10W R815 1-216-067-00 METAL CHIP 5.6K 1/10W R506 1-216-051-00 METAL CHIP 1.2K 1/10W R816 1-216-075-00 METAL CHIP 1/10W R507 1-216-081-00 METAL CHIP 1/10W R817 1-216-077-00 METAL CHIP...
  • Page 83 MG-21 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-6791-609-A MG-21 BOARD, COMPLETE C319 1-164-004-11 CERAMIC CHIP 0.1uF C320 1-164-004-11 CERAMIC CHIP 0.1uF ********************** (Ref.No.:3,000 Series) C321 1-109-982-11 CERAMIC CHIP C329 1-164-004-11 CERAMIC CHIP 0.1uF < CAPACITOR > C330 1-163-259-91 CERAMIC CHIP 220PF...
  • Page 84 MG-21 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < DIODE > IC331 8-759-710-07 IC NJM2234M IC373 8-759-252-54 IC S-80745SL-A9-T1 D001 8-719-404-49 DIODE MA111 IC401 8-759-535-83 IC MX23C4000PC-12-GP1 D002 8-719-404-49 DIODE MA111 IC402 8-759-535-82 IC MSM514260CSL-60JSDR1 D003 8-719-404-49 DIODE MA111 IC501...
  • Page 85 MG-21 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > R085 1-216-295-00 METAL CHIP 1/10W R086 1-216-295-00 METAL CHIP 1/10W R002 1-249-402-11 CARBON 1/4W F R087 1-216-295-00 METAL CHIP 1/10W R004 1-216-049-00 METAL CHIP 1/10W R088 1-216-295-00 METAL CHIP...
  • Page 86 MG-21 POWER BLOCK SR821 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R417 1-216-097-00 METAL CHIP 100K 1/10W C205 1-126-925-11 ELECT 470uF R418 1-216-097-00 METAL CHIP 100K 1/10W C206 1-126-967-11 ELECT 47uF R419 1-216-097-00 METAL CHIP 100K 1/10W C207...
  • Page 87 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks ACCESSORIES & PACKING MATERIALS ************** HARDWARE LIST ******************************* ************** 1-475-749-21 COMMANDER, STANDARD (RMT-V250) 1-775-454-21 CORD, CONNECTION (MONAURAL CABLE) 7-685-648-79 SCREW +BVTP 3X12 TYPE2 IT-3 1-776-258-11 CORD, AVC CONNECTION (FOR VIDEO/AUDIO) 7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3 1-696-592-11 CORD, CONNECTION (NTSC)(FOR RF)1.5m #701...
  • Page 88 SLV-M20HF Sony Corporation 98G1637-1 Printed in Japan © 1998.7 9-921-691-11 Home A&V Products Company Published by Quality Assurance Dept. — 130 — (Osaki East)

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