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CDX-605 SERVICE MANUAL US Model Model Name Using Similar Mechanism CDX-505RF CD Drive Mechanism Type MG-250C-137 Optical Pick-up Name KSS-521A/J2N SPECIFICATIONS System Compact disc digital audio system Frequency response 10 – 20,000 Hz Wow and flutter Below the measurable limit...
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 PUB- Magazine ass’y LISHED BY SONY.
SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. COVER (UPPER T), FRONT PANEL ASS’Y 1 screw 1 screw (PTT2.6 × 6) (PTT2.6 × 6) 2 cover (upper T) 3 lever (FL) 1 screw 1 screw (PTT2.6 ×...
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JACK BOARD Remove the jack board of the arrow. 1 ground point screw (PTT2.6 × 6) 2 jack board MAIN BOARD 1 main flexible board (CNJ12) 6 three screws (FP) 7 main board 2 connector (CNP301) 3 screw 5 two precision screws (PTT2 ×...
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ELEVATOR MOTOR ASS’Y (M104) 1 screw (PTT2 × 3) 2 bracket (ELV motor) 3 elevator motor ass’y ESCUTCHEON (T) 3 two claws 2 Remove the claw of the arrow A . 4 Remove the ditch of the arrow B . 5 Remove the escutcheon (T) of the arrow C .
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CASE (UPPER) ASS’Y 3 Remove the edge of the arrow A . 1 three screws (PTT2 × 4) 1 two screws (PTT2 × 4) 4 Remove the case (upper) ass’y of the arrow B . 1 screw (PTT2 × 4) CHASSIS ASS’Y 3 chassis ass’y 1 two polyethylene washers...
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RF BOARD 1 OP flexible board 2 two screws (CNJ11) (PS2 × 4) 2 two screws (PS2 × 4) 5 RF board 4 connector (CNP52) 4 two connectors (CNP11, 503) SLED MOTOR ASS’Y (M102), OPTICAL PICK-UP (KSS-521A/J2N) 1 two screws 2 sled motor ass’y (ESCUTCHEON) 3 optical pick-up...
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SW BOARD, SPINDLE MOTOR ASS’Y (M101) 8 two screws (P1.7 × 2.2) 3 spring (chucking) 6 retainer (disc) 1 screw (P2 × 2.2) 4 screw (P2 × 2.2) 5 bracket (CP) 9 Remove the spindle motor ass’y (M101) 2 SW board of the arrow.
SECTION 4 MECHANISM DECK ASSEMBLY Note: Follow the assembly procedure in the numerical order given. OPTICAL PICK-UP COMPLETE ASS’Y 1 Move the lever (LOCK 3) in direction A , and return it a little in direction B from the position where the chuck plate is moved chuck plate down to the lower limit.
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OPERATION CHECK 1 Confirm that the slider moves in direction C to move down the chuck plate if the gear (LOAD 1) is rotated in direction A or the chuck plate moves up and the slider moves in direction D if the gear is rotated in direction B .
7. After adjustment at addresses 5 to 6 is finished, check all op- erations from addresses 1 to 10 with the set placed vertically and horizontally respectively to confirm that the elevator shaft CDX-605 positions in a range between comb teeth A to B. comb tooth at address 6...
SECTION 6 ELECTRICAL ADJUSTMENTS Note: • TRACKING OFFSET CHECK 1. Perform adjustments as given. 2. Be sure to use the disc “YEDS-18” parts code: 3-702-101-01, but [RF BOARD] – Conductor Side – only when indicated. oscilloscope 3. Power supply voltage: DC14.4 V (more than 3A). CNJ12 •...
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• FOCUS GAIN ADJUSTMENT • When gain is lowered... (COARSE ADJUSTMENT) The set does not play because of no focus operation. This adjustment is to be performed when replacing the following • When gain is highered... parts. Operation noise is heard due to a scratch or a dust, then opera- •...
Sled limit in detect switch (SW1) input terminal LIM.SW “L”: When the optical pick-up is inner position BUSON Bus on/off control signal input from the SONY bus interface (IC204) “H”: bus on EJECT Eject switch (SW303) input terminal “H” active Save end detect switch (SW12) input terminal LOAD1 “L”: When completion of the disc chucking operation...
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Pin No. Pin Name Function Serial data output to the SONY bus interface (IC204) SQCLK Subcode Q data reading clock signal output to the CXD2530Q (IC101) SUBQ Subcode Q data input from the CXD2530Q (IC101) — Not used (open) —...
SECTION 8 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark ! 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-250C-137) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3375-497-1 CHASSIS (U) SUB ASSY 4-965-759-01 WASHER, POLYETHYLENE 3-024-161-01 SPRING (SUT) 3-011-997-01 SPRING (STOPPER. LOWER) – 37 –...
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(3) MECHANISM DECK SECTION-2 (MG-250C-137) M104 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-024-170-01 SPRING (SB), TENSION X-3375-498-1 CHASSIS (D) SUB ASSY * 102 3-024-172-01 BRACKET (EVM) M104 A-3301-123-A ELJ MOTOR ASSY (ELEVATOR) – 38 –...
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(5) MECHANISM DECK SECTION-4 (MG-250C-137) not supplied M101 not supplied M102 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No.
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CDX-605 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-085-00 METAL CHIP 1/10W PARTS FOR INSTALLATION AND CONNECTIONS ************************************** 1-216-073-00 METAL CHIP 1/10W 1-216-073-00 METAL CHIP 1/10W 3-022-693-01 BRACKET (705T) 1-216-073-00 METAL CHIP 1/10W * 502...