CDX-3170 SERVICE MANUAL E Model Model Name Using Similar Mechanism CDX-2180 CD Drive Mechanism Type MG-363X-121 Optical Pick-up Name KSS-521A SPECIFICATIONS CD player section Power amplifier section System Compact disc digital audio Outputs Speaker outputs system (sure seal connectors) Signal-to-noise ratio...
5-1. Chassis Section ..............40 THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. 5-2. Front Panel Section ............41 REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE 5-3. CD Mechanism Section (1) ..........42 PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR 5-4.
2-3. SUB PANEL 3 sub panel 1 PTT 2.6x6 2 PTT 2.6x6 2-4. CD MECHANISM BLOCK 1 PTT 2.6x6 6 PTT 2.6x6 8 bracket (MD) 2 PTT 2.6x6 5 CD mechanism block 7 PTT 2.6x6 4 PTT 2.6x6 3 PTT 2.6x6 –...
2-7. CHASSIS (T) SUB ASSY 3 P 2x3 2 P 2x3 4 chassis (T) sub assy 1 Unsolder the lead wires. white black 2-8. LEVER ASSY 5 guide (disc) 6 lever (R) assy 3 tension spring (LR) 7 lever (L) assy 1 PS 2x4 2 DISC IN SW board 4 claws...
2-11. CHASSIS (OP) (O/S) ASSY 7 chassis (OP) (O/S) assy 8 compression spring (FL) 1 tension spring (angle) 9 compression spring (FL) 2 tension spring (KR1) 5 Fit lever (D) in the direction of the arrow. 6 Turn loading ring in the direction of the arrow.
SECTION 3 ELECTRICAL ADJUSTMENTS 0 dB = 1 µV TUNER SECTION FM Center Adjustment Setting : SOURCE button : FMI Cautions during repair When the tuner unit is defective, replace it by a new one be- FM RF signal cause its internal block is difficult to repair. dummy generator antenna...
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FM SENS/IF Adjustment AM VT Voltage Adjustment Setting : Setting : SOURCE button : FMI SOURCEnMODE button : AM FM RF signal AM RF signal level level dummy dummy antenna generator antenna generator meter meter antenna antenna terminal terminal 50 Ω 30 Ω...
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AM SENS Adjustment Setting : SOURCEnMODE button : AM AM RF signal level dummy antenna generator meter antenna terminal 30 Ω 15 pF 10 k Ω 60 pF – LINE OUT REAR Procedure : Adjust for a maximum reading on level meter. T6, T7 530 kHz Adjustment Location : See page 17.
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Adjustment Location : tuner assy (TU1) –tuner assy (TU1) (conductor side)– ’ ‘ FM VT SEEK FM CENTER AM VT (at FM AUTO SCAN/ STOP LEVEL ADJ, (Both side of R32.) add the +5 Vdc. AM VT AM/AUTO AM SENS VOLTAGE SCAN/STOP AM IF...
Focus Gain Adjustment (Coarse adjustment) CD SECTION This adjustment is not required unless the following parts are replaced: • Optical pick-up Note: • 1. CD Block basically constructed to operate without adjustment. Therefore, check each item in order given. Procedure: 2.
SECTION 4 DIAGRAMS 4-1. IC PIN DESCRIPTION • IC800 µPD17017GF-B28-3B9 (SYSTEM CONTROL) Pin No. Pin Name Pin Description CD SO/VOL DATA CD serial data/electric volume serial data output pin VOL CLK Electric volume serial clock output pin SENSE CD sens signal input pin ST/MONO FM/AM select pin Accessory power (ACC) voltage detection pin...
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Pin No. Pin Name Pin Description SK IN Not used. DK IN Not used. SELF SW SELF SW input/LCD segment signal output pin IN SW DISC IN SW input/LCD segment signal output pin L SW LIMIT SW input/LCD segment signal output pin D SW DOWN SW input/LCD segment signal output pin KEY-RETURN...
CDX-3170 4-3. PRINTED WIRING BOARDS — CD MECHANISM SECTION — (Page 31) • Semiconductor Location Ref. No. Location Note: • Y : parts extracted from the conductor side. • b : Pattern from the side which enables seeing. – 23 –...
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CDX-3170 4-4. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 22 for Waveforms and Note and page 37 for IC Block Diagrams. (Page 33) – 25 – – 26 –...
CDX-3170 4-6. SCHEMATIC DIAGRAM — DISPLAY SECTION — (Page 35) Note: • All capacitors are in µF unless otherwise noted. pF: µµF • C : panel designation. 50 WV or less are not indicated except for electrolytics • Voltage is dc with respect to ground under no-signal and tantalums.
CDX-3170 4-9. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — Note: (Page 29) • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and W or less unless otherwise specified.
• IC Block Diagrams IC1 CXD2507AQ SERVO AUTO DATA SEQUENCER XRST SENS SUB CODE MUTE PROCESSOR INTERFACE SQCK DIGITAL LOCK SQSO TEST EXCK SBSO FILO SCOR DIGITAL FILI DEMODULATOR WFCK EMPH AVSS CLTV ASYMMETRY AVDD CORRECTOR DIGITAL DOUT INTERFACE BIAS ERROR ASYI FSTT...
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IC2 CXA1782BQ 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 TE AMP...
SECTION 5 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Color Indication of Appearance P ar ts The components identified b number in the e xploded vie ws are not supplied. Example : mark ! or dotted line with mark. •...
5-5. CD MECHANISM SECTION (3) (MG-363X-121) M901 M902 The components identified b mark ! or dotted line with mark. ! are critical f or saf ety . Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No.
SECTION 6 DISC IN SW DISPLAY ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stoc ked since The components identified b the par ts list ma y be diff erent fr om the the y are seldom required f or r outine ser vice .
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DISPLAY DISPLAY SUB LIMIT SW LOAD SW MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R865 1-249-429-11 CARBON 1/4W 1-659-837-11 LOAD SW BOARD R871 1-216-053-00 METAL CHIP 1.5K 1/10W *************** R872 1-216-057-00 METAL CHIP 2.2K 1/10W R873 1-216-061-00 METAL CHIP...
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MAIN SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R224 1-216-085-00 METAL CHIP 1/10W R903 1-249-421-11 CARBON 2.2K 1/4W R231 1-216-061-00 METAL CHIP 3.3K 1/10W R904 1-249-421-11 CARBON 2.2K 1/4W R401 1-247-895-00 CARBON 470K 1/4W R905 1-216-049-11 RES,CHIP 1/10W...
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SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-164-232-11 CERAMIC CHIP 0.01uF JR14 1-216-296-00 SHORT 1-163-989-11 CERAMIC CHIP 0.033uF JR15 1-216-296-00 SHORT 1-164-232-11 CERAMIC CHIP 0.01uF JR16 1-216-296-00 SHORT 1-163-989-11 CERAMIC CHIP 0.033uF JR17 1-216-296-00 SHORT 1-164-004-11 CERAMIC CHIP 0.1uF JR18...
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SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-073-00 METAL CHIP 1/10W MISCELLANEOUS 1-216-085-00 METAL CHIP 1/10W *************** 1-216-085-00 METAL CHIP 1/10W 1-216-077-00 METAL CHIP 1/10W 1-769-786-91 CORD (WITH CONNECTOR) (POWER) 1-216-081-00 METAL CHIP 1/10W 1-659-880-11 MOTOR FLEXIBLE BOARD ! 210 8-820-010-03 PICK-UP, OPTICAL KSS-521A/Q-NP...
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CDX-3170 Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS *************************************** 3-014-370-21 FRAME, FITTING X-3366-405-1 SCREW ASSY (EXP), FITTING 3-934-325-01 SCREW (+K 5X8 TP) 3-388-078-01 KEY 1-769-786-91 CORD (WITH CONNECTOR) (POWER) Sony Corporation 98C0423-1 9-925-921-11 Personal & Mobile Communication Company Printed in Japan C1998.