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3V DC Batteries AA (R6) x 2 External DC 3V power sources Battery Life (approximate hours when using the batteries specified below) Battery Playback Radio Sony Alkaline LR6 (SG) 16 hours 48 hours Sony R6P (SR) 4.5 hours 16 hours Dimensions 94.2x 119.0 x 36.0 mm...
TABLE OF CONTENTS Flexible Circuit Board Repairing • Keep the temperature of the soldering iron around 270°C during repairing. Specifications ................1 • Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). 1.
SECTION 2 DISASSEMBLY The equipment can be removed using the following procedure. Main board, Mechanism deck Cassette holder sub assy Switch board Cabinet (Rear) Cabinet (Front) Note : Follow the disassembly procedure in the numerical order given. 2-1. CABINET (REAR) REMOVAL Cassette holder sub assy Cabinet (Rear) 2-2.
2-3. MAIN BOARD, MECHANISM DECK REMOVAL 1 Remove solder 2 Head flexible board Main board Mechanism deck 3 Claws 3 Claw 2-4. CASSETTE HOLDER SUB ASSY REMOVAL Cabinet (Front) 3 Flexible board Cassette holder sub assy NOTE FOR INSTALLATION The torsion spring will be removed together with the cassette lid that preform the following for installation. TORSION SPRING 1 Attach the torsion spring as shown in the figure...
WM-PA1 4-3. SCHEMATIC DIAGRAM IC BLOCK DIAGRAM IC1 TA8122AF PHASE PHASE STEREO DECODER FM/AM FREQ. MONO SW DIVIDER Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
SECTION 5 EXPLODED VIEWS NOTE : • -XX, -X mean standardized parts, so they • The mechanical parts with no reference may have some difference from the original number in the exploded views are not one. supplied. • Items marked “ * ”are not stocked since they •...
SECTION 6 MAIN ELECTRICAL PARTS LIST NOTE : • Due to standardization, replacements in the • Items marked “ * ”are not stocked since they When indicating parts by reference num- parts list may be different from the parts are seldom required for routine service. Some ber, please include the board.
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WM-PA1 MAIN SWITCH Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC401 8-759-702-02 IC NJM062M R410 1-216-001-00 METAL CHIP 1/10W R411 1-216-097-91 METAL GLAZE 100K 1/10W < JACK > R601 1-217-905-11 METAL GLAZE 1/10W R602 1-216-298-00 METAL CHIP...