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WX-C570 SERVICE MANUAL US Model UK Model E Model SPECIFICATIONS Model Name Using Similar Mechanism CD Drive Mechanism Type MG-338X-121 Section AUDIO POWER SPECIFICATIONS (US Model) Optical Pick-up Name KSS-520A POWER OUTPUT AND TOTAL HARMONIC DISTORTION 17 watts per channel minimum continuous average power into 4 ohms,...
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THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. parts. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE The flexible board is easily damaged and should be handled with PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR care.
TABLE OF CONTENTS 1. GENERAL 4. MECHANICAL ADJUSTMENTS ......24 Location of Controls ............... 4 Getting Started ................ 4 5. ELECTRICAL ADJUSTMENTS Setting the Clock ..............4 Tape Section ................. 24 CD Player ................5 Tuner Section ................ 25 Cassette Player ............... 5 CD Section ................
SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. FRONT PANEL 7 cover 5 PTT 2.6x6 6 PTT 2.6x10 4 PTT 2.6x6 3 PTT 2.6x6 9 claws 1 PTT 2.6x14 2 PTT 2.6x6 0 front panel assy 8 claws 2-2.
2-3. CD MECHANISM BLOCK 6 bracket (CD) 5 PTT 2.6x6 4 CD mechanism block 1 PTT 2.6x10 2 PTT 2.6x6 3 CN401 2-4. HEAT SINK 1 PTT 2.6x10 4 heat sink 2 PTT 2.6x10 3 PTT 2.6x10 – 12 –...
2-7. MAIN BOARD 2 MAIN board 1 ground point screws (PTT 2.6x6) 3 insulating sheet 2-8. CHASSIS (T) ASSY 5 P 2x3 6 P 2x3 7 chassis (T) assy 2 Down the lever (IN SW). 3 PS 2x3 4 IN SW board 1 CN4 –...
SECTION 3 ASSEMBLY OF TAPE MECHANISM Note : Follow the assembly procedure in the numerical order given. ALIGNMENT OF ROTARY SWITCH 1 Align Δ mark on the rotary switch the position shown in the figure. hole chassis (S) assy 2 Align hole in the gear (LDG-D) with the position shown in the figure.
CHASSIS (S) ASSY 3 screw (PS 2x4) 2 screw (PS 2x4) 1 chassis (S) assy LEVER (MODE) 1. Align ¢ mark on the rotary switch with hole in the lever (mode). 2. Fit on positions A , B and C and install the lever (mode).
LEVER (PINCH SELECTION) 1 Align. 2 lever (pinch selection) HEAD PLATE ASSY 6 step screw (HP) 5 step screw (HP) head plate sub assy 2 Fit shaft in groove. 3 Press the ATS lever. 4 Position the head plate sub assy as shown in the figure.
LEVER (PINCH) ASSY 3 polyethylene washer 6 polyethylene washer 1 Fit shaft on the lever (pinch) assy in hole on the chassis (M) assy and install the lever (pinch) assy. 2 claw 5 claw shaft 4 Fit shaft on the lever (pinch) assy in hole on the chassis (M) assy and install the lever (pinch) assy.
ARM (SUCTION) 2 Move the arm (suction) in the arrow direction and fit on projection. projection 1 Fit the arm (suction) on the shaft. shaft D LEVER (LDG-A) / (LDG-B) shaft E shaft A shaft A shaft B shaft C shaft C 1 Fit the lever (LDG-A) on 3 two type-E stop ring 2.0...
GEAR (LDG-FT) 6 polyethylene washer 1 gear (LDG-A) 5 gear (LDG-FT) 2 tension spring (lever LDG) gear (LDG-D) hole gear (LDG-FB) 3 Move the lever (LDG-B) in the arrow direction. lever (LDG-A) gear (LDG-FB) 4 Align hole in the gear (LDG-D) with Δ...
SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS PRECAUTION See the adjustment location from on page 27 for the 1. Wipe the following components with an absorbent cotton cloth adjustment. moistened with alcohol before adjustment : PB head Pinch roller TAPE SECTION 0 dB = 0.775 V Idler...
TUNER SECTION 0 dB = 1 µV FM Auto Scan/Stop Level Adjustment Setting : D-BASS switch : OFF Cautions during repair TUNER button : FM When the tuner unit is defective, replace it by a new one because FREQUENCY SELECT switch (UK, E model) : FM 200K its internal block is difficult to repair.
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FM Stereo Separation Adjustment AM Auto Scan/Stop Level Adjustment Setting : Note : This adjustment should be performed after the FM Auto D-BASS switch : OFF Scan / Stop Level Adjustment is done. TUNER button : FM FREQUENCY SELECT switch (UK, E model) : FM 200K Setting : D-BASS switch : OFF...
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Adjustment Location : – set upper view – TAPE SPEED ADJ RV1 AM AUTO SCAN/STOP LEVEL ADJ RV2 FM AUTO SCAN/STOP LEVEL ADJ RV4 FM STEREO SEPARATION ADJ RV200 RV100 (R-CH) (L-CH) DOLBY LEVEL ADJ – set lower view – R-CH TP (DOLBY) DOLBY LEVEL ADJ...
CD SECTION Focus Gain Adjustment (Coarse adjustment) This adjustment is not required unless the following parts are replaced: Note : • Optical pick-up 1. CD Block basically constructed to operate without adjustment. • Therefore, check each item in order given. 2.
• IC Block Diagrams IC1 CXD2507AQ (SERVO BOARD) IC801 PCM1717E DGND CONTROL CLKO SERVO AUTO SEQUENCER DATA LRCIN ML/MUTE INPUT XRST INTERFACE MODE MC/DM1 SENS CONT SUB CODE MUTE BCKIN MD/DM0 PROCESSOR INTERFACE DIGITAL SQCK DIGITAL FILTER RSTB ZERO LOCK SQSO TEST EXCK...
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IC2 CXA1782BQ (SERVO BOARD) 27 26 25 LEVEL S MIRR SENS RF IV AMP1 DFCT C.OUT XRST RF IV AMP2 FE BIAS IIL DATA REGISTER INPUT SHIFT REGISTER DATA ADDRESS DECODER OUTPUT DECODER TOG1-3 FS1-4 TG1-2 TM1-7 PS1-4 F IV AMP BAL1-3 FZC COMP E IV AMP...
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IC1 BU2624FV (MAIN BOARD) IC101-104, 201 µPC4558G2 A OUT XOUT B OUT – PHASE A IN– + – A IN+ B IN– REFERENCE DIVIDER B IN+ FMIN MAIN PRESCALER COUNT IC300 M62008FP SHIFT REGISTER LATCH AMIN IF COUNT INTERRUPT SIGNAL –...
Music with/without detection input at AMS. PLAY/AMS TAPE AMS control output FWD/REV detection output METAL control output BUS-SI Serial data input (for SONY BUS) BUS-SO Serial data output (for SONY BUS) BUS-CKI Serial clock input (for SONY BUS) BUS-CKO Serial clock output (for SONY BUS)
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Pin No. Pin Name Pin Description SYS-RST System reset control output BUS-ON BUS ON control output (for SONY BUS) 56, 57 RE1, 0 Rotary encoder input AD-ON Power control output for A/D conversion. RAMBU RAM reset detection input RESET –...
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Serial clock output for display driver. FL BLK Blank control output for display driver. Not used. (Connect to GND.) UNISI Serial data input (for SONY BUS) UNISO Serial data output (for SONY BUS) UNICKI Serial clock input (for SONY BUS)
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Pin No. Pin Name Pin Description Disc detection sensor input CTL1 Driver IC control output 1 TAPEIND TAPE IN LED drive output CDIND CD IN LED drive output BASIND D-BASS LED drive output – Reset input SCOR SCOR signal detection input CNIN Track jump number count input SELFSW...
SECTION 7 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • -XX and -X mean standardized parts, so • Accessories and packing materials and number in the exploded views are not supplied. they may have some difference from the hardware (# mark) list are given in •...
7-6. CD MECHANISM SECTION (3) (MG-338X-121) M901 M902 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. Description Remark ! 251...
SECTION 8 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by mark ! or dotted line with mark. ! are the parts list may be different from the they are seldom required for routine service.
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CONTROL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JC451 1-216-296-00 CONDUCTOR, CHIP (3216) R424 1-216-238-00 METAL GLAZE 1/8W JC453 1-216-296-00 CONDUCTOR, CHIP (3216) R425 1-216-105-00 METAL GLAZE 220K 1/10W JC454 1-216-296-00 CONDUCTOR, CHIP (3216) R426 1-216-089-00 METAL GLAZE 1/10W JC455...
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CONTROL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > < RESISTOR > D701 8-719-977-03 DIODE DTZ5.6B R701 1-216-041-00 METAL CHIP 1/10W D727 8-719-975-06 LED CL-70G-CD (CD WINDOW) R702 1-216-075-00 METAL CHIP 1/10W D728 8-719-975-06 LED CL-70G-CD (TAPE WINDOW) R703 1-216-075-00 METAL CHIP...
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IN SW LIMIT SW LOAD SW MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-660-798-11 IN SW BOARD 1-163-235-11 CERAMIC CHIP 22PF C100 1-163-022-00 CERAMIC CHIP 0.012uF ************ C101 1-163-023-00 CERAMIC CHIP 0.015uF < SWITCH > C102 1-163-989-11 CERAMIC CHIP 0.033uF...