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Sony TC-S3 Service Manual
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Sony TC-S3 Service Manual

Sony TC-S3 Service Manual

Stereo cassette deck
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SERVICE MANUAL
Ver 1.0 2001.04
TC-S3 is the Tape deck section
in MHC-S7AV/SV7AV/S3.
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol ; are trade-
marks of Dolby Laboratories Licensing Corporation.
Sony Corporation
9-873-837-11
2001D0500-1
Home Audio Company
C 2001.4
Shinagawa Tec Service Manual Production Group
Model Name Using Similar Mechanism
Tape deck
Section
Tape Transport Mechanism Type
SPECIFICATIONS
Recording system
4-track 2-channel stereo
Frequency response
60 – 13,000 Hz (±3 dB),
(DOLBY NR OFF)
using Sony TYPE I
cassette,
60 – 14,000 Hz (±3 dB),
using Sony TYPE II
cassette
±0.15% W.Peak (IEC)
Wow and flutter
0.1% W.RMS (NAB)
±0.2% W.Peak (DIN)
Dimensions (w/h/d)
Approx. 280 x 128 x 330 mm
Mass
Approx. 2.4 kg
Design and specifications are subject to change
without notice.
TC-S3
AEP Model
UK Model
Australian Model
NEW
TCM-230AWR41/
230MWR41
STEREO CASSETTE DECK
E Model

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  • Page 1 SERVICE MANUAL AEP Model UK Model Ver 1.0 2001.04 E Model Australian Model TC-S3 is the Tape deck section in MHC-S7AV/SV7AV/S3. Dolby noise reduction manufactured under license Model Name Using Similar Mechanism from Dolby Laboratories Licensing Corporation. Tape deck “DOLBY” and the double-D symbol ; are trade-...

  • Page 2: Table Of Contents

    AND IN THE PARTS LIST ARE CRITICAL TO SAFE 3-2. Cover ................6 OPERATION. REPLACE THESE COMPONENTS WITH 3-3. MAIN Board ..............7 SONY PARTS WHOSE PART NUMBERS APPEAR AS 3-4. Front Panel Section ............7 SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- 3-5. Tape Mechanism Deck LISHED BY SONY.

  • Page 3: Servicing Notes

    TC-S3 SECTION 1 SERVICING NOTES • MODEL IDENTIFICATION This set is a component of the MHC-S7AV, MHC-SV7AV and – Rear Panel – MHC-S3. The MHC-S7AV/SV7AV/S3 system configuration is as shown be- low, and therefore it does not operate normally unless all four com- ponents are connected.

  • Page 4: General

    TC-S3 SECTION 2 This section is extracted from instruction manual. GENERAL LOCATION OF CONTROLS – Front Panel – CD SYNC rh (20, 21) DIRECTION t; (19, 20, 21) > > DOLBY NR rl (19, 20) EDIT rk (21) AUTO REVERSE...
  • Page 5 TC-S3 Remote Control 1 2 3 > CD H es (14, 15) SET UP qs (10, 12, 26, 28, 29) BUTTON DESCRIPTIONS CHECK 5 (15) SLEEP 7 (29) CLEAR 6 (15) SUR wd (25) @/1 (power) 3 CLOCK/TIMER SELECT qj TAPE A hH ea (19, 35) X (pause) q;...

  • Page 6: Disassembly

    TC-S3 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. COVER (Page 6) 3-3. MAIN BOARD 3-4. FRONT PANEL SECTION (Page 7) (Page 7) 3-5. TAPE MECHANISM DECK (TCM-230AWR41/230MWR41) (Page 8) 3-6.

  • Page 7: Main Board

    TC-S3 3-3. MAIN BOARD 2 three connectors (CN309, 310, 314) 1 wire (flat type) (17 core) (CN311) 3 three screws (BVTP3 × 8) 5 MAIN board 3 screw 2 connector (BVTP3 × 8) (CN1) 4 PC board holder 2 connector (CN2) 3-4.

  • Page 8: Tape Mechanism Deck (Tcm-230Awr41/230Mwr41)

    TC-S3 3-5. TAPE MECHANISM DECK (TCM-230AWR41/230MWR41) 2 five screws 3 lug (BVTP2.6 × 8) 4 tape mechanism deck (TCM-230AWR41/230MWR41) 1 Open the cassette holder (L)/(R). 3-6. LEAF SW BOARD, HEAD (A) BOARD, HEAD (B) BOARD 2 five claws 3 LEAF SW board 1 Remove the four solderings.

  • Page 9: Test Mode

    SECTION 4 TEST MODE Note: Use following buttons in the test mode. ALC checking no mark : Button of Tape unit (TC-S3) Procedure: : Button of amplifier unit (TA-S7AV or TA-S3) 1. Enter the MC test mode. : Button of CD unit (CDP-S3) 2.

  • Page 10: Mechanical Adjustments

    TC-S3 SECTION 5 SECTION 6 ELECTRICAL ADJUSTMENTS MECHANICAL ADJUSTMENTS Precaution DECK SECTION 0 dB=0.775 V 1. Clean the following parts with a denatured alcohol-moistened swab: 1. Demagnetize the record/playback head with a head record/playback heads pinch rollers demagnetizer. erase head rubber belts 2.
  • Page 11 Note: Use following buttons in the test mode. 2. Turn the adjustment screw and check output peaks. If the peaks no mark : Button of Tape unit (TC-S3) do not match for L-CH and R-CH, turn the adjustment screw : Button of amplifier unit (TA-S7AV or TA-S3) so that outputs match within 1dB of peak.
  • Page 12 TC-S3 Adjustable level: DECK B REC Bias Adjustment MD OUT jack PB level: 47.2 to 53.0 mV (–27.3 to –26.3 dB) Procedure: Adjustment Location: MAIN board 1. Insert a tape into Deck B. [REC PAUSE/START] 2. After press button, [MAIN BOARD] (Component Side)

  • Page 13: Diagrams

    TC-S3 SECTION 7 DIAGRAMS 7-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Circuit Boards Location Note on Printed Wiring Boards: Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF • X : parts extracted from the component side.

  • Page 14: Schematic Diagram - Main Section (1/2)

    TC-S3 7-2. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 13 for Waveforms. • See page 13 for IC Block Diagram. R334 R340 DECK A PB AMP DECK B PB AMP C322 100p C328 100p IC303(2/2) C330 R333...

  • Page 15: Schematic Diagram - Main Section (2/2)

    TC-S3 7-3. SCHEMATIC DIAGRAM – MAIN Section (2/2) – CN308 TP308 TCREC-L TP307 PB-L SYSTEM CONTROL 4 TP306 R308 AGND FROM TP305 ST-S5/S3/VS77 PB-R TP304 R305 C304 R307 C309 TCREC-R 3.3k 0.47 RV301 C417 EPT300 R306 C318 R318 1.2k SYSTEM CONTROL...

  • Page 16: Printed Wiring Board - Main Section

    TC-S3 7-4. PRINTED WIRING BOARDS – MAIN Section – • See page 13 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D306 D307 (Page 18) TC-PANEL-B DECK BOARD D308 NO304 HEAD (A) BOARD D309 IC301 NO312 C335 T301...

  • Page 17: Schematic Diagram - Leaf Sw Section

    TC-S3 7-5. SCHEMATIC DIAGRAM – LEAF SW Section – C1001 S1004 (A. 120/70) MAIN BOARD (2/2) CN311 (Page 15) S1008 (B. 120/70) • Voltages are dc with respect to ground under no-signal conditions. no mark : TAPE PLAY ) : TAPE REC 7-6.

  • Page 18: Schematic Diagram - Panel Section

    TC-S3 7-7. SCHEMATIC DIAGRAM – PANEL Section – S306 S301 S302 S303 S304 S305 REC PAUSE/ S307 S308 S309 NO302 START CD SYNC HI DUB EDIT DGND NO304 NO303 NO303 D+5V S301 S302 S303 S304 S305 S306 S307 S308 S309...

  • Page 19: 7-9. Ic Pin Function Description

    TC-S3 7-9. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC310 PT8300-S (SYSTEM CONTROL) Pin No. Pin Name Description — Ground terminal RESET_B Reset signal input terminal Not used Serial data transfer clock signal input from the CD player section (CDP-S3)
  • Page 20 TC-S3 • MAIN BOARD IC311 PT8300-S (LED DRIVE, MOTOR DRIVER) Pin No. Pin Name Description — Ground terminal RESET_B Reset signal input terminal Nor used Serial data transfer clock signal input from the PT8300-S (IC310) LATCH Serial data latch pulse input from the PT8300-S (IC310)

  • Page 21: Exploded Views

    TC-S3 SECTION 8 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one. delay should be anticipated when ordering •...

  • Page 22: 8-2. Front Panel Section

    TC-S3 8-2. FRONT PANEL SECTION TCM-230AWR41/230MWR41 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-4953-607-1 PANEL ASSY, FRONT 4-951-620-01 SCREW (2.6X8), +BVTP X-4953-606-1 HOLDER (R) ASSY, CASSETTE 4-900-889-01 EJECT (LEVER-R) 4-233-091-01 SPRING (R), TORSION...

  • Page 23: Tape Mechanism Deck Section-1 (Tcm-230Awr41/230Mwr41)

    TC-S3 8-3. TAPE MECHANISM DECK SECTION-1 (TCM-230AWR41/230MWR41) Note: Two different types of tape mechanism are used depending on models. They maintain compatibility as an entire mechanism even though there are some different parts are used. PM901 HP901 PM902 HRPE901 Ref. No.

  • Page 24: Tape Mechanism Deck Section-2 (Tcm-230Awr41/230Mwr41)

    TC-S3 8-4. TAPE MECHANISM DECK SECTION-2 (TCM-230AWR41/230MWR41) not supplied not supplied M901 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-041-946-01 BELT (CAPSTAN B) 3-318-203-62 SCREW (B1.7X4), TAPPING 4-227-239-01 BELT (CAPSTAN C) 3-019-208-01 WASHER, STOPPER...

  • Page 25: Electrical Parts List

    TC-S3 SECTION 9 HEAD (A) HEAD (B) ELECTRICAL PARTS LIST LEAF SW MAIN NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 26 TC-S3 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C321 1-162-289-31 CERAMIC 390PF C388 1-126-964-11 ELECT 10uF C322 1-162-282-31 CERAMIC 100PF C389 1-126-935-11 ELECT 470uF C323 1-136-157-00 FILM 0.022uF C324 1-126-933-11 ELECT 100uF C390 1-126-964-11 ELECT...
  • Page 27 TC-S3 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q304 8-729-422-57 TRANSISTOR BN1A4M-TP R349 1-249-425-11 CARBON 4.7K 1/4W Q305 8-729-900-80 TRANSISTOR BA1A4M-TP R350 1-249-433-11 CARBON 1/4W R351 1-249-421-11 CARBON 2.2K 1/4W Q310 8-729-119-78 TRANSISTOR 2SC2785TP-HFE...
  • Page 28 TC-S3 MAIN TC-PANEL-A DECK TC-PANEL-B DECK TC-SUB PANEL-A TC-SUB PANEL-B Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TRANSFORMER > 1-680-722-11 TC-SUB PANEL-B BOARD ********************* T301 1-423-980-11 TRANSFORMER, BIAS OSCILLATION ************************************************************** < RESISTOR > 1-680-719-11 TC-PANEL-A DECK BOARD...
  • Page 29 TC-S3 MEMO...
  • Page 30 TC-S3 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision...

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