CDX-525RF US Model Canadian Model SERVICE MANUAL AEP Model UK Model E Model SUPPLEMENT-1 File this supplement with the service manual. Subject: Mechanism Deck Modification (MG-250D-137) (ECN-CSA00838) The mechanism deck was changed from MG-250C-137 to MG-250D-137. At the same time, MAIN and JACK boards were been changed.
DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. MECHANISM DECK (MG-250D-137) 4 mechanism deck (MG-250D-137) 2 tension spring (FL) 2 tension spring (FL) 1 two dampers (250) firament tape 3 jack flexible board (CNJ901) 1 two dampers (250) MAIN BOARD 1 main flexible board (CNJ12)
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RF BOARD 1 OP flexible board 3 two screws (CNJ11) (PTT2 × 4) 3 two screws (PS2 × 4) 7 RF board 5 connector (CNP53) 2 Break the soldering 6 Break the soldering of lead. of motor (M102) lead. CHUCKING MOTOR ASS’Y (M103) 2 two screws (PTT2 ×...
DIAGRAMS 3-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Board: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF • Y : parts extracted from the conductor side. 50 WV or less are not indicated except for electrolytics •...
CDX-525RF 3-3. SCHEMATIC DIAGRAM – RF Section – (Page 8) The components identified by mark 0 or dotted Les composants identifiés par une marque 0 sont line with mark 0 are critical for safety. critiques pour la sécurité. Ne les remplacer que Replace only with part number specified.
CDX-525RF 3-8. PRINTED WIRING BOARDS – JACK Board – EXPLODED VIEWS NOTE: • Items marked “*” are not stocked since they • -XX and -X mean standardized parts, so they The components identified by mark 0 or dotted line with mark may have some difference from the original are seldom required for routine service.
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(2) MECHANISM DECK SECTION-1 (MG-250D-137) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3375-497-1 CHASSIS (U) SUB ASSY 3-011-997-01 SPRING (STOPPER. LOWER) 3-024-161-01 SPRING (SUT)
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(3) MECHANISM DECK SECTION-2 (MG-250D-137) M104 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-024-170-01 SPRING (SB), TENSION X-3378-136-1 CHASSIS (D.D) SUB ASSY * 102 3-024-172-01 BRACKET (EVM) M104 A-3301-123-A ELJ MOTOR ASSY (ELEVATOR)
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(5) MECHANISM DECK SECTION-4 (MG-250D-137) not supplied M101 not supplied M102 The components identified by Les composants identifiés par une mark 0 or dotted line with marque 0 sont critiques pour la mark 0 are critical for safety. sécurité. Replace only with part num- Ne les remplacer que par une pièce ber specified.
JACK MAIN ELECTRICAL PARTS LIST 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 are seldom required for routine service. parts list may be different from the parts speci- 0 are critical for safety.