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TC-SD1 SERVICE MANUAL AEP Model UK Model E Model Manufactured under license from Dolby Laboratories Model Name Using Similar Mechanism TC-PX100 Licensing Corporation. Tape Transport Mechanism Type TCM-ACLM572 “DOLBY” and the double-D symbol a are trademarks of Dolby Laboratories Licensing Corporation.
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! 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.
SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. CASE, FRONT PANEL 4 Case 3 Screw (+B 2.6 × 8) 2 Two screws, case stopper 1 Two screws, case stopper 8 Front panel 6 Loading panel Connector M901 7 Two screws...
2-4. POWER TRANS BOARD, AC SELECT SW BOARD, POWER BOARD 3 POWER TRANS board Screw (+B2.6 × 8) 1 Connector 6 Screw (+B2.6 × 8) 8 POWER 2 Two screws board (+PWH3 × 6) 4 Two screws (+B3 × 10) 7 Suport 2-5.
2-6. MECHANISM CHASSIS BLOCK Mechanism chassis Four screws (+P 3 × 6) Screw (+P 3 × 8) 2-7. CAPSTAN REEL MOTOR (M902) Capstan reel motor (M902) Hook the belt. Claws (4 claws) Three screws for motor Remove soldering of the plunger solenoid Plunger solenoid CONTROL board...
TC-SD1 3-2. SCHEMATIC DIAGRAM — DISPLAY SECTION — Note on Schematic Diagram: • All resistors are in Ω and W or less unless otherwise specified. • C : panel designation. Note: The components identified by mark ! or dotted line with mark ! are critical for safety.
TC-SD1 3-3. PRINTED WIRING BOARD — DISPLAY SECTION — • Refer to page 8 for Circuit Boards Location. COMPONENT SIDE CONDUCTOR SIDE • Refer to page 24 for MODE CONTROL board Schematic Diagram. Note on Printed Wiring Board: • Y : parts extracted from the conductor side.
TC-SD1 3-4. PRINTED WIRING BOARD — MAIN SECTION — COMPONENT SIDE • Refer to page 8 for Circuit Boards Location. CONDUCTOR SIDE Note on Printed Wiring Board: • Y : parts extracted from the conductor side. • b : Pattern of the rear side.
TC-SD1 3-5. SCHEMATIC DIAGRAM — MAIN SECTION — • Refer to page 25 for IC Block Diagrams. • Refer to page 27 for IC Pin Function Description. • Refer to page 15 for MODE CONTROL board Printed Wiring Board. • Semiconductor Location Ref.
3-7. IC PIN FUNCTION DESCRIPTION • CONTROL BOARD IC05 TMP87CH48DF (SYSTEM CONTROL) Pin No. Pin Name Description — System ground terminal OSC-OUT System clock output (8 MHz) OSC-IN System clock input (8 MHz) RESET Reset input — No used — No used TEST Test terminal...
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Pin No. Pin Name Description PB MUTE Playback mute selector output DOLBY ON/OFF Dolby ON/OFF output DOLBY B/C Dolby B/C output STB-R-LED No used STB-G-LED Power ON LED (green) output PANEL-LED Panel LED (blue) output LEBEL1-LED Level meter 1 (minimum dB) LED (green) output LEVEL2-LED Level meter 2 LED (green) output LEVEL3-LED...
SECTION 4 SECTION 5 MECHANICAL ADJUSTMENT ELECTRICAL ADJUSTMENT Precaution Precaution 1. Clean the following parts with a denatured alcohol-moistened 1. Perform adjusting on the test mode. swab: 2. Demagnetize the record/playback head with a head record/playback heads pinch rollers demagnetizer. erase head rubber belts 3.
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Record/Playback Head Azimuth Adjustment 4. Enter the FWD mode and perform steps 1 to 3. 5. Check that the phase difference between L-CH and R-CH is in Note: • Perform this adjustment after the head is turned around. the range of in-phase to 90°. (If the head is positioned in the FWD direction, turn around 6.
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Playback Level Adjustment Record Level Adjustment Procedure : Setting : • The REC LEVEL control must be positioned at the standard record 1. Mode : FWD playback level position. (Refer to page 29.) test tape Procedure : P-4-L300 1. Record (315Hz, 0dB) level meter AF OSC...
CONNECTION SECTION 7 ELECTRICAL PARTS LIST CONTROL NOTE: • Due to standardization, replacements in the • CAPACITORS: • SEMICONDUCTORS parts list may be different from the parts uF: µF In each case, u: µ, for example: specified in the diagrams or the components •...