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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-...
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.
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.
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...
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;...
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.
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.
TC-S3 SECTION 5 SECTION 6 MECHANICAL ADJUSTMENTS ELECTRICAL 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.
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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.
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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)
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.
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...
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.
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)
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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)
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 •...
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.
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...
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.
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...