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Sony CFS-929SMK2 Service Manual
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Sony CFS-929SMK2 Service Manual

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SERVICE MANUAL
Ver 1.0 2003.12
Frequency range
FM: EA model: 87.5 - 107 MHz/
E15 model: 87.5 - 108 MHz
MW: EA model: 530 - 1,605 kHz/
E15 model: 530 - 1,611 kHz
SW1: 2.3 - 7 MHz
SW2: 7 - 22 MHz
IF
FM: 10.7 MHz
MW/SW: 455 kHz
Antennas
FM/SW: Telescopic
MW: Built-in ferrite bar
Recording system
4-track, 2-channel stereo
Frequency response
80 - 12,500 Hz
Speakers
Full range: 10 cm (4 inches) dia., 4 Ω cone type/
Tweeter: 5 cm (2 inches) dia.
Input
CD/TV LINE IN jacks (phono jacks),
sensitivity 0.43 V, input impedance 47 kΩ
Output
Headphones jack (stereo minijack), for 16 - 68 Ω
impedance headphones
Maximum Power output
24 W
Sony Corporation
9-961-448-01
2003L04-1
Personal Audio Company
© 2003.12
Published by Sony Engineering Corporation
CFS-929SMK2
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
SPECIFICATIONS
Battery life
FM Recording: Sony R20P: Approx. 6.5 hours/
Sony LR20 alkaline: Approx. 18 hours
Playback: Sony R20P: Approx. 1 hour/
Sony LR20 alkaline: Approx. 3.5 hours
Power requirements
110 - 127 V/220 - 240 V AC selectable, 50/60 Hz
12 V DC, eight R20 (size D) batteries
DC IN 12 V jack
Power consumption
AC 30 W
Dimensions
Approx. 679 × 263.5 × 239.5 mm (w/h/d)
(26
and controls, not incl. handle
Mass
Approx. 8.6 kg (18 lb 15 oz) incl. batteries
Supplied accessory
AC power cord (1)
Design and specifications are subject to change without
notice.
• Abbreviation
E15
EA
× 10
× 9
inches) incl. projecting parts
6/8
3/8
4/9
: AC 220-240V area in E model
: Saudi Arabia model
RADIO CASSETTE-CORDER
E Model
CFS-929S
MF-W616-148
1

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Summary of Contents for Sony CFS-929SMK2

  • Page 1 SPECIFICATIONS Frequency range Battery life FM: EA model: 87.5 - 107 MHz/ FM Recording: Sony R20P: Approx. 6.5 hours/ E15 model: 87.5 - 108 MHz Sony LR20 alkaline: Approx. 18 hours MW: EA model: 530 - 1,605 kHz/ Playback: Sony R20P: Approx. 1 hour/ E15 model: 530 - 1,611 kHz Sony LR20 alkaline: Approx.

  • Page 2: Table Of Contents

    COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

  • Page 3: General

    CFS-929SMK2 SECTION 1 GENERAL This section is extracted from instruction manual. Location of controls DIRECTION VOLUME FUNCTION FINE TUNING OPR/BATT DIR MODE BAND TUNING FWD/REV indicators Deck A Deck B ISS (rear) MAXI BASS DC IN 12 V (rear) CD/TV LINE IN...

  • Page 4: Disassembly

    CFS-929SMK2 SECTION 2 DISASSEMBLY • The equipment can be removed using the following procedure. 2-1. FRONT CABINET ASSY, REAR CABINET ASSY (Page 4) 2-2. POWER BOARD 2-3. F/T AND TUNER BOARDS (Page 5) (Page 5) 2-4. H/P, LED2, MAXI BASS,...

  • Page 5: Power Board

    CFS-929SMK2 2-2. POWER BOARD 5 BATT (+) board claw 4 RETAINER board 3 screw (+BVTP 3 x 10) 6 two screws (+BVTP 3 x 10) 2 shield plate (T) rear cabinet assy 1 two screws (+BVTP 3 x 10) 9 POWER board...

  • Page 6: H/P, Led2, Maxi Bass, Vol And Main Boards

    CFS-929SMK2 2-4. H/P, LED2, MAXI BASS, VOL AND MAIN BOARDS 9 screw 0 RETAINER board qg screw (+BVTP 3 x 10) (+BVTP 3 x 10) qa H/P board qf screw 1 CNP310 (+BVTP 3 x 12) 2 CNP309 fiber washer...

  • Page 7: Jog And Led1 Boards

    CFS-929SMK2 2-6. JOG AND LED1 BOARDS 3 JOG board 2 two screws (+BVTP 3 x 10) 4 two screws (+BVTP 3 x 10) 5 LED1 board 6 window (LED) 1 jog dial 2-7. REC SW BOARD, BELT AND MOTOR ASSY (W) (M301)

  • Page 8: Dial Pointer Setting

    CFS-929SMK2 SECTION 3 DIAL POINTER SETTING 1 pointer 2 knob (TUN) assy knob (TUN) assy midway gear pointer 4 screw knob (TUN) assy (+BVTP 3 x 10) 3 midway gear 5 screw (+BVTP 3 x 10) 1 gear (VC) 6 screw...

  • Page 9: Mechanical Adjustments

    CFS-929SMK2 SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS PRECAUTION TAPE SECTION 0 dB = 0.775 V 1. Clean the following parts with a denatured alcohol-moistened swab : Standard Output Level record/playback head pinch roller Output terminal SP OUT PHONES OUT...

  • Page 10: Tuner Section

    CFS-929SMK2 TUNER SECTION 0 dB = 1 µV MW IF ADJUSTMENT Common Setting: Adjust for a maximum reading on level meter. SOUND SELECT control: FLAT 455 kHz VOLUME control: MAX MAXI BASS switch: OFF MW FREQUENCY COVERAGE ADJUSTMENT • MW Section Adjust for a maximum reading on level meter.
  • Page 11 CFS-929SMK2 FM VCO Adjustment Setting: BAND switch: FM FM RF signal telescopic generator antenna terminal 0.01µF 98MHz frequency deviation by 1kHz signal Output level: 0.1V (100dB) digital frequency counter TUNER board 1 µ F IC1 pin 4 33k Ω IC1 pin 7 Procedure: 1.

  • Page 12: Diagrams

    CFS-929SMK2 SECTION 6 DIAGRAMS 6-1. CIRCUIT BOARDS LOCATION RETAINER2 board TUNER board PIN JACK board VOL board BATT (+) board RETAINER board (not supplied) MAIN board POWER board BATT (–) board LED1 board LED2 board F/T board H/P board RETAINER board...

  • Page 13: Block Diagram

    CFS-929SMK2 6-2. BLOCK DIAGRAM FLAT GROOVE LIVE CINEMA J306 CD/TV LED DRIVER KEY1 LINE IN Q309,310 R-CH IC301 KEY2 S306 REC/PB PRE AMP KEY3 SOUND SELECT KEY4 MIC301 MIC-IN KEY5 DECK A SOUND EQUALIZER R-CH D307,308 Q101,103 IC302 (L-CH) D310,...

  • Page 14: Printed Wiring Boards - Tuner Section

    CFS-929SMK2 6-3. PRINTED WIRING BOARDS — TUNER SECTION — • Refer to page 12 for Circuit Boards Location. THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) Common Note on Schematic Diagrams: •...

  • Page 15: Schematic Diagram - Tuner Section

    CFS-929SMK2 6-4. SCHEMATIC DIAGRAM — TUNER SECTION — • Refer to page 14 for Common Note on Schematic Diagrams and page 20 for IC Block Diagrams. S1-2 S1-5 S1-3 S1-1 S1-7 S1-6 ANT1 S1-4 CNP1 IC B/D S1-8 (Page 18)

  • Page 16: Printed Wiring Boards - Main Section

    CFS-929SMK2 6-5. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 12 for Circuit Boards Location and page 14 for Common Note on Printed Wiring Boards. • Semiconductor Location (Page 14) Ref. No. Location D304 D305 D306 D307...

  • Page 17: Printed Wiring Boards - Power Section

    CFS-929SMK2 6-6. PRINTED WIRING BOARDS — POWER SECTION — • Refer to page 12 for Circuit Boards Location and page 14 for Common Note on Printed Wiring Boards. T901 (Page 16) • Semiconductor Location Ref. No. Location D901 D902 D903...

  • Page 18: Schematic Diagram - Main Section (1/2)

    CFS-929SMK2 6-7. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 14 for Common Note on Schematic Diagrams and page 20 for IC Block Diagrams. • Waveform HE301 T301 10V/div 5µsec/div R109 C313 C312 L301 R305 C101 R307...

  • Page 19: Schematic Diagram - Main Section (2/2)

    CFS-929SMK2 6-8. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 14 for Common Note on Schematic Diagrams and page 20 for IC Block Diagrams. R340 D317 Q315 R359 R230 RV301 D316 D341 R329 R338 Q314 R325 CNP308...
  • Page 20 CFS-929SMK2 • IC Block Diagrams IC1 CXA1538S IC302 AN7338K 21 20 FLAT FLAT MULTIPLEX VREF MUTE FM FE τ REGULATOR TREBLE REGULATOR BASS AM FE REGULATOR TREBLE PD 1 BASS MUTING 1/2 COUNTER FM IF/ PD 2 FLAT DISCRI ANALOG SWITCH...

  • Page 21: Exploded Views

    CFS-929SMK2 SECTION 7 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied. Example : 0 are critical for safety.

  • Page 22: Cabinet (Front) Section-1

    CFS-929SMK2 7-2. CABINET (FRONT) SECTION-1 not supplied MIC301 not supplied (MAXI BASS board) supplied not supplied (F/T board) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-236-130-02 KNOB (TUNE) 3-236-140-02 CHASSIS (TUNE) 3-236-151-11 RING (KNOB) 3-236-148-01 GEAR (VC)

  • Page 23: Cabinet (Front) Section-2

    CFS-929SMK2 7-3. CABINET (FRONT) SECTION-2 MF-W616-148 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-236-125-31 CABINET (FRONT) 3-243-763-01 BUTTON (REW) (A) 3-236-127-01 LID (B), CASSETTE 3-243-762-11 BUTTON (PLAY) (A) 3-236-188-02 SPRING (CAS) 3-236-192-01 SHAFT (MD) 3-236-185-01 WINDOW (B)

  • Page 24: Mechanism Deck Section-1

    CFS-929SMK2 7-4. MECHANISM DECK SECTION-1 (MF-W616-148) DECK A DECK B not supplied M301 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-032-087-01 CHASSIS (JOINT) 3-034-405-01 CHASSIS (PWB) 3-014-797-01 CUSHION, MOTOR * 159 1-684-395-12 REC SW BOARD...

  • Page 25: Mechanism Deck Section-2

    CFS-929SMK2 7-5. MECHANISM DECK SECTION-2 (MF-W616-148) (DECK A) HP301 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-670-207-11 TRANSLATION (HEAD) BOARD 3-024-611-02 DETENT, CASSETTE 3-024-979-01 SPRING (PINCH R), TORSION 3-024-574-02 ARM (F), PINCH 3-024-575-01 ARM (R), PINCH...

  • Page 26: Mechanism Deck Section-3

    CFS-929SMK2 7-6. MECHANISM DECK SECTION-3 (MF-W616-148) (DECK A) J104 J102 supplied J101 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-343-358-01 RING, RETAINING 3-024-607-02 LEVER (B), SO X-3376-682-1 CHASSIS (SUB) ASSY * 267 3-024-561-02 SLIDER (MODE)

  • Page 27: Mechanism Deck Section-4

    CFS-929SMK2 7-7. MECHANISM DECK SECTION-4 (MF-W616-148) (DECK A) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-024-570-02 GEAR (MID) 3-024-984-01 SPRING (K), COMPRESSION 3-024-604-01 GEAR (DRIVING) 3-024-975-01 SPRING (IDLER LEVER), TORSION X-3375-505-6 LEVER ASSY, IDLER 3-321-483-11 RING, RETAINING...

  • Page 28: Mechanism Deck Section-5

    CFS-929SMK2 7-8. MECHANISM DECK SECTION-5 (MF-W616-148) (DECK B) HRP301 HE301 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-933-010-01 SPRING (S/P), TORSION * 363 3-008-587-01 SLIDER (STOP) 3-933-025-01 SPRING (P), TORSION * 364 3-008-591-01 SLIDER (PAUSE)

  • Page 29: Mechanism Deck Section-6

    CFS-929SMK2 7-9. MECHANISM DECK SECTION-6 (MF-W616-148) (DECK B) J103 J105 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-933-029-01 LEVER, ERASING PREVENTION X-3373-572-1 REEL ASSY (N), T 3-933-182-01 SPRING, CASSETTE 3-939-383-02 SPRING, COMPRESSION 3-932-995-01 GEAR (MID)

  • Page 30: Speaker Section

    3-236-154-01 CABINET (REAR (SP/R)) SP303 1-825-026-11 SPEAKER (5.7cm) (TWEETER) (L-CH) * 453 3-236-153-01 CABINET (REAR (SP/L)) SP304 1-825-026-11 SPEAKER (5.7cm) (TWEETER) (R-CH) 3-038-018-01 EMBLEM, SONY 7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S C150 1-109-953-11 ELECT 2.2uF 7-685-650-79 SCREW +BVTP 3X16 TYPE2 N-S (L-CH)

  • Page 31: Electrical Parts List

    CFS-929SMK2 SECTION 8 BATT (+) BATT (–) ELECTRICAL PARTS LIST LED1 LED2 MAIN NOTE: The components identified by • Due to standardization, replacements in • Items marked “*” are not stocked since mark 0 or dotted line with mark the parts list may be different from the they are seldom required for routine service.
  • Page 32 CFS-929SMK2 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C108 1-104-662-11 ELECT 22uF C232 1-127-872-21 CERAMIC 0.0047uF 10% C109 1-127-888-21 CERAMIC 0.1uF C233 1-126-960-11 ELECT C111 1-127-880-21 CERAMIC 0.022uF C234 1-126-963-11 ELECT 4.7uF C112 1-162-286-21 CERAMIC...
  • Page 33 CFS-929SMK2 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C375 1-126-964-11 ELECT 10uF < COIL > C376 1-128-548-11 ELECT 4700uF C377 1-104-658-11 ELECT 100uF L301 1-410-525-11 INDUCTOR 220uH C378 1-126-964-11 ELECT 10uF C379 1-126-925-11 ELECT 470uF <...
  • Page 34 CFS-929SMK2 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R123 1-249-421-11 CARBON 2.2K 1/4W R239 1-249-425-11 CARBON 4.7K 1/4W R124 1-249-421-11 CARBON 2.2K 1/4W R243 1-247-807-31 CARBON 1/4W R125 1-249-435-11 CARBON 1/4W R244 1-249-385-11 CARBON...
  • Page 35 CFS-929SMK2 MAIN MAXI BASS PIN JACK POWER REC SW Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R352 1-247-895-11 CARBON 470K 1/4W 1-683-432-12 PIN JACK BOARD R353 1-249-437-11 CARBON 1/4W ************** R354 1-249-425-11 CARBON 4.7K 1/4W...
  • Page 36 CFS-929SMK2 TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3021-650-A TUNER BOARD, COMPLETE (including 1-126-960-11 ELECT F/T BOARD) (EA) 1-126-959-11 ELECT 0.47uF A-3021-651-A TUNER BOARD, COMPLETE (including 1-126-963-11 ELECT 4.7uF F/T BOARD) (E15) 1-126-960-11 ELECT...
  • Page 37 CFS-929SMK2 TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-249-441-11 CARBON 100K 1/4W ACCESSORIES 1-249-421-11 CARBON 2.2K 1/4W ************ 1-249-411-11 CARBON 1/4W 1-249-427-11 CARBON 6.8K 1/4W 1-569-008-32 ADAPTOR, CONVERSION (EA) 1-249-427-11 CARBON 6.8K 1/4W 1-823-401-12 CORD, POWER...
  • Page 38 CFS-929SMK2 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2003. 12...

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