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10 – 20,000 Hz Wow and flutter Below measurable limit General Tuner section Outputs Line outputs (2) (CDX-C4850R) Line output (1) (CDX-C4840R) Tuning range 87.5 – 108.0 MHz Power aerial relay control Aerial terminal External aerial connector lead Intermediate frequency 10.7 MHz...
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COMPONENTS IDENTIFIED BY MARK ! OR DOTTED 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 PUBLISHED BY SONY.
http://www.xiaoyu163.com 3 7 63 1515 0 TABLE OF CONTENTS 1. GENERAL Location of controls ..............4 Getting Started ................. 4 Setting the clock ..............4 CD Player ................4 Radio ..................5 RDS ..................5 Other Functions ............... 7 CD/MD Unit ................8 Connections ................
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http://www.xiaoyu163.com SECTION 1 GENERAL 3 7 63 1515 0 This section is extracted from instruction manual. L 13942296513 u163 – 4 – http://www.xiaoyu163.com...
http://www.xiaoyu163.com 3 7 63 1515 0 2-3. SUB PANEL (1) ASSY 5 claw 6 sub panel (1) assy 1 PTT 2.6x6 4 claw 2 PTT 2.6x6 3 PTT 2.6x6 L 13942296513 2-4. CD MECHANISM BLOCK 2 PTT 2.6x6 7 PTT 2.6x6 8 bracket (M/D) 3 PTT 2.6x6 5 CD mechanism block...
http://www.xiaoyu163.com 3 7 63 1515 0 2-5. MAIN BOARD 6 MAIN board 4 ground point screws (PTT 2.6x6) 5 ground point screw (PTT 2.6x6) 3 PTT 2.6x8 2 PTT 2.6x8 1 PTT 2.6x8 L 13942296513 2-6. HEAT SINK 5 heat sink 4 PTT 2.6x8 3 PTT 2.6x8 (C4850R)
http://www.xiaoyu163.com 3 7 63 1515 0 2-7. CHASSIS (T) SUB ASSY 5 chassis (T) sub assy 1 P 2x3 2 P 2x3 3 P 2x3 4 claw L 13942296513 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...
http://www.xiaoyu163.com 3 7 63 1515 0 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.
http://www.xiaoyu163.com SECTION 3 ELECTRICAL ADJUSTMENTS 3 7 63 1515 0 0 dB = 1 µV FM Auto Scan/Stop Level Adjustment TUNER SECTION Setting : D-BASS switch : OFF Cautions during repair SOURCE button : FM When the tuner unit is defective, replace it by a new one because its internal block is difficult to repair.
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http://www.xiaoyu163.com 3 7 63 1515 0 FM Stereo Separation Adjustment FM RDS S-Meter Adjustment Setting : Setting : D-BASS switch : OFF D-BASS switch : OFF SOURCE button : FM SOURCE button : FM FM RF signal FM RF signal generator generator level meter...
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http://www.xiaoyu163.com 3 7 63 1515 0 MW Auto Scan/Stop Level Adjustment Adjustment Location : tuner unit (TU601) Setting : D-BASS switch : OFF SOURCE n MODE button : MW 30 Ω 15 pF 65 pF AM RF signal generator AM dummy antenna (50 Ω...
http://www.xiaoyu163.com 3 7 63 1515 0 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.
http://www.xiaoyu163.com SECTION 4 DIAGRAMS 3 7 63 1515 0 4-1. IC PIN DESCRIPTION • IC801 MB90574APMT-G-199-BND (SYSTEM CONTROL) Pin No. Pin Name Pin Description LD ON Laser ON/OFF control output Focus OK signal detection input XLAT25 CD signal processing latch output DATA25 CD signal serial data output XRST...
http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 Pin No. Pin Name Pin Description Pin No. Pin Name Pin Description AMP ON Power amplifier power control output ANT REM ANT REMOTE power control output TXT ON Reset output to CD-TEXT decoder IC. —...
http://www.xiaoyu163.com 3 7 6 3 1 5 1 5 0 • Waveforms (MODE:PLAY) 4-5. CIRCUIT BOARDS LOCATION THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) for schematic diagram: •...
CDX-C4840R/C4850R 3 7 6 3 1 5 1 5 0 4-12. SCHEMATIC DIAGRAM — DISPLAY SECTION — (Page 46) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 Note: • Voltage is dc with respect to ground under no-signal (detuned) condition.
http://www.xiaoyu163.com 3 7 63 1515 0 • IC Block Diagrams IC1 CXD2507AQ IC602 SAA6588T-118 IIC-BUS PSWN SLAVE TRANSCEIVER SERVO AUTO SIGNAL SEQUENCER DATA PAUSE INTERFACE QUALITY DETECTOR REGISTER XRST AFIN DETECTOR SENS SUB CODE MUTE PROCESSOR INTERFACE DAVN CLOCKED RDS/RDBS RDS/RDBS SQCK DIGITAL...
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http://www.xiaoyu163.com 3 7 63 1515 0 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 L 13942296513 OUTPUT DECODER TOG1-3 FS1-4 TG1-2 TM1-7...
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http://www.xiaoyu163.com 3 7 63 1515 0 IC401 TDA7462 SE3L SE3R MUTE PAUSE PAUSE DETECT FRONT INPUT TREBLE/ OUT FL LOUDNESS VOICE BANDPASS VOLUME FADER GAIN & SOFT BASS CONTROL CONTROL SE1L AUTO MUTE CONTROL CIRCUIT CIRCUIT SE1R ZERO CIRCUIT FRONT MD–...
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http://www.xiaoyu163.com 3 7 63 1515 0 IC601 TDA7427AD1TR LPOUT VDD1 VDD2 LP FM SWITCH CHARGE PHASE 11 BIT PROG LP1/LP2 GND AM PUMP COMP COUNTER LP HC LP AM SWITCH SWITCH SWM/DIR SWM/DIR V REF AM IN SWITCH AM/FM INLOCK 6 BIT PROG PRE COUNTER DETECTOR...
http://www.xiaoyu163.com SECTION 5 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by number in the exploded views are not supplied. Example : mark ! or dotted line with mark. •...
http://www.xiaoyu163.com 3 7 63 1515 0 5-5. CD MECHANISM SECTION (3) (MG-363T-121) M901 M902 L 13942296513 The components identified by mark ! or dotted line with mark. ! are critical for safety. Replace only with part number specified. Ref. No. Part No.
http://www.xiaoyu163.com SECTION 6 DISC IN SW DISPLAY ELECTRICAL PARTS LIST 3 7 63 1515 0 NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by the parts list may be different from the they are seldom required for routine service.
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http://www.xiaoyu163.com DISPLAY LIMIT SW LOAD SW MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R512 1-216-043-00 METAL CHIP 1/10W 1-659-835-12 LIMIT SW BOARD R513 1-216-045-00 METAL CHIP 1/10W *************** R514 1-216-049-11 RES,CHIP 1/10W R515...
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CDX-C4840R/C4850R 3 7 63 1515 0 L 13942296513 u163 Sony Corporation 99C047542-1 9-926-458-11 Personal & Mobile Communication Company Printed in Hungary C1999. 3 – 70 – Published by Quality Assurance Dept. http://www.xiaoyu163.com...