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Sharp CD-XP120W Service Manual

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Download this manual See also: Operating Manual
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
VOLTAGE SELECTION ..................................................................................................................................................... 2
AC POWER SUPPLY CORD ............................................................................................................................................. 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
DISASSEMBLY .................................................................................................................................................................. 6
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 8
ADJUSTMENT ................................................................................................................................................................. 10
TEST MODE .................................................................................................................................................................... 11
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 13
TYPES OF TRANSISTOR ............................................................................................................................................... 13
BLOCK DIAGRAM ........................................................................................................................................................... 14
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 18
VOLTAGE ........................................................................................................................................................................ 35
FUNCTION TABLE OF IC ................................................................................................................................................ 36
FL DISPLAY ..................................................................................................................................................................... 40
REPLACEMENT PARTS LIST/EXPLODED VIEW
SERVICE MANUAL
MODEL
CD-XP120W Mini Component System consisting of CD-XP120W
(main unit) and CP-XP120 (speaker system).
CONTENTS

SHARP CORPORATION

MINI COMPONENT SYSTEM
CD-XP120W
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-XP120W
No. S7254CDXP120W
Page

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Summary of Contents for Sharp CD-XP120W

  • Page 1: Table Of Contents

    MINI COMPONENT SYSTEM CD-XP120W MODEL CD-XP120W Mini Component System consisting of CD-XP120W (main unit) and CP-XP120 (speaker system). • In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used.

  • Page 2: Safety Precaution For Service Manual

    CD-XP120W SAFETY PRECAUTION FOR SERVICE MANUAL WARNINGS THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR CLASS 1. THEREFORE IT IS IMPORTANT THAT THE FOLLOWING PRECAUTIONS ARE OBSERVED DURING SERVICING TO PROTECT YOUR EYES AGAINST EXPOSURE TO THE LASER BEAM.

  • Page 3: Specifications

    CD-XP120W FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS CD-XP120W General Tuner Frequency range FM: 88 - 108 MHz Power source AC 110/127/220/230 - 240 V, 50/60 Hz AM: 531 - 1,602 kHz...

  • Page 4: Names Of Parts

    CD-XP120W NAMES OF PARTS CD-XP120W Front panel 1. Disc Tray 2. Timer Set Indicator 3. On/Stand-by Button 4. Tuner (Band) Button 5. CD Button 6. CD Track Down or Fast Reverse, Tuner Preset Down Button 7. Headphone Socket 8. CD Stop Button 9.

  • Page 5: 2. Disc Number Select Buttons

    CD-XP120W CD-XP120W Remote control 1. Remote Control Transmitter 2. Disc Number Select Buttons 3. CD Pause Button 4. Memory/Set Button 5. Clear Button 6. CD Random Button 7. Clock Button 8. Equaliser Mode Select Button 9. Tuner (Band) Button 10. CD Button 11.

  • Page 6: Disassembly

    CD-XP120W DISASSEMBLY CD-XP120W Caution on Disassembly Top Cabinet Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure Front (A1)x2 excellent performance: Panel ø3x16mm 1. Take cassette tape and compact disc out of the unit.
  • Page 7 CD-XP120W (P1)x3 (P2)x1 (P2)x1 ø3x24mm Front Panel (Q1)x2 Display PWB (L1)x2 ø3x8mm ø2.5x10mm Loading (H1)x10 Switch A Tray ø2.5x10mm CD Servo Tape Display PWB Mechanism (G2)x1 (J1)x8 ø3x10mm Open (G1)x3 ø2.5x10mm (P2)x2 Cassette Switch B Holder (P2)x1 (K1)x1 ø2.5x10mm Figure 7-3...

  • Page 8: Removing And Reinstalling The Main Parts

    CD-XP120W REMOVING AND REINSTALLING THE MAIN PARTS (A1)x1 TAPE MECHANISM SECTION TAPE 1 ø2x7mm (A1)x1 Perform steps 1 to 6 and 9 of the disassembly method to ø2x3mm Hook remove the tape mechanism. (A2)x2 Record/Playback How to remove the record/playback and erase Head heads (TAPE 1) (See Fig.

  • Page 9: Cd Mechanism Section

    CD-XP120W CD MECHANISM SECTION Perform steps 1, 2, 3, 12, 13, 14 and 16 of the disassembly (B1)x3 method to remove the CD mechanism. ø3x8mm (B1)x2 ø3x8mm Loading How to remove the T/T up/down motor (A1)x4 Tray ø3x8mm (See Figs. 9-1, 9-2) 1.

  • Page 10: Adjustment

    CD-XP120W ADJUSTMENT MECHANISM SECTION TUNER SECTION • • • • • Driving Force Check fL: Low-range frequency fH: High-range frequency Torque Meter Specified Value • • • • • AM IF/RF Play: TW-2111 Tape 1: Over 80 g Signal generator: 400 Hz, 30%, AM modulated...

  • Page 11: Test Mode

    CD-XP120W TEST MODE PLAY + DISC SKIP test04 TIMER ON/OFF TEST MODE FL DISPLAY: STOP + DISC SKIP test05 VFD DISPLAY WINDOW TEST MODE FL DISPLAY: VFD ALL LIGHT FUNCTION: TEST THE VFD DISPLAY WINDOW PLAY + OPEN/CLOSE test08 OPEN/CLOSE & 3 DISC CHANGER AGING TEST...
  • Page 12 CD-XP120W PLAY + VOLUME DOWN test06 FRONT PANEL KEY TEST FL DISPLAY: FUNCTION: FRONT PANEL KEY TEST MODE,IF ALL KEY HAVE BEEN PRESSED 1 TIME, THEN PRESS THE "POWER" KEY, VFD DISPLAY "OK". PLAY + VOLUME UP test03 VOLUME TEST MODE...

  • Page 13: Notes On Schematic Diagram

    CD-XP120W NOTES ON SCHEMATIC DIAGRAM • Resistor: • The indicated voltage in each section is the one measured To differentiate the units of resistors, such symbol as K and by Digital Multimeter between such a section and the chas- M are used: the symbol K means 1000 ohm and the symbol sis with no signal given.

  • Page 14: Block Diagram

    CD-XP120W M_GND OPEN/ LOAD SW CLOSE DISC_SW DISC UP_SW LOAD+ LOAD– ROTATE Q405 Q406 Q409 Q402 – Q408 T/T UP/DOWN LOADING MOTOR Q403 Q407 M– ROTATE+ Q410 ROTATE- D403 D402 O/C SW LOAD_SW DISC_SW – PICK_IN CD LOADING MOTOR Q404...
  • Page 15 CD-XP120W CNP701 CNS701 CNS101 D405 D401 D404 Q412 Q411 Q413 CONSTANT VOLTAGE CNS105 FM_ST 36 35 34 33 32 31 30 29 28 27 26 25 UP_SW DISC_SW TO MAIN LOAD_SW SECTION PICK_IN IC403 CNP105 CD+B CD_STB X402 IX0052SJ 8 MHz...
  • Page 16 CD-XP120W SO301 FM ANTENNA FM IF TERMINAL T302 CF303 DZ5.1BSJ B.P.F IC301 TA7358AP BF301 X351 CF351 FM FRONT END 456 kHz T351 CF352 AM IF AM IF AM MIX MO/ST L302 L303 FM RF IC303 LA1832S FM/AM MPXIN FM/AM OSC BUFF...
  • Page 17 CD-XP120W FL701 FL DISPLAY 52 51 SW702~SW715 IC701 SC16312 SYSTEM CNP702 MICROCOMPUTER KEY3 FROM CD SECTION JK101 KEY1 HEADPHONES CNS702 CNP105 SW701 FROM CD SECTION CNS105 SP DET R-OUT L-OUT IC201 LM1876TF POWER AMP. –B1 F101 STEM SO102 T3.15A L 250V...

  • Page 18: Schematic Diagram / Wiring Side Of P.w.board

    CD-XP120W P25 12 - C P25 9 - A P25 12 - D FROM FROM FROM CD SERVO PWB CD SERVO PWB CD SERVO PWB CNS105 CNS101 CNS103 TO TA 9 10 3 2 1 CNP105 CNP101 CNP103 SW102 SPAN...
  • Page 19 CD-XP120W P21 12 - A, B TO TAPE SECTION R618 R623 100K R620 R616 TAPE L C604 10/16 TUN L C605 10/16 R614 CD L C606 10/16 R624 7.5K R604 IC601 12 11 10 LC75341M CNP107 AUDIO PROCESSOR 13 14 15 16 17 18 19 20 21 22 23 24...
  • Page 20 CD-XP120W MAIN PWB-A1(2/3) TAPE 1 R834 D806 CNS803 CNP803 PLAY 1N4148 TAPE 1 FF/REW TAPE 2 FF/REW R835 TAPE 2 PLAY D803 1N4148 D804 TAPE 1N4148 – MOTOR CNS804 CNP804 PLAYBACK SINGAL TAPE 2 RECORD SINGAL C812 R801 PLAYBACK HEAD 0.0027...
  • Page 21 CD-XP120W B-A1(2/3) CHANEL_SW TAPE L TAPE R REC R REC L +10V M_GND R834 R837 D806 1N4148 A_GND TAPE_DET M_10V R835 D803 1N4148 R838 R828 5.6K R823 4148 C812 0.0027 C840 220/16 C815 0.033 R809 100K C825 22/50 R811 3.9K...
  • Page 22 CD-XP120W AM LOOP ANTENNA SO301 FM ANTENNA TERMINAL CNP301 MAIN PWB-A1(3/3) C349 0.001 D307 1N4148 BF301 FM SIGNAL B.P.F D305 1N4148 AM SIGNAL C304 0.01 C320 0.001 C319 D306 C305 18P(CH) 1N4148 0.0047 C307 C306 0.8V 0.0047 9P(UJ) 1.5V C308 FM RF 0.022...
  • Page 23 CD-XP120W MIC PWB-A9 MIC SIGNAL JK901 R913 C902 C910 R902 R901 C904 0.22/16 470P 2.7K 220P R907 C912 R911 1/16 R905 C901 R915 0.0015 C907 R903 C905 100/16 470P 5 6 7 8 IC901 R909 NJM4558D 4.7K R906 C906 IC902...
  • Page 24 CD-XP120W CD SERVO PWB-A2 SWITCH B PWB-A6 CNS401 BI401 CD SIGNAL M_GND OPEN/ LOAD SW CLOSE DISC_SW DISC UP_SW LOAD+ CNP401 LOAD– ROTATE T/T UP/DOWN MOTOR PWB-A7 R418 R421 R434 R437 1.5K 1.5K 3.3K Q409 KSC1815 GR Q402 – KSC3203 Y R419 3.3K...
  • Page 25 CD-XP120W P27 12 - F P18 4 - A TO DISPLAY PWB TO MAIN PWB CNP701 CNP101 CNS701 CNS101 BI701 BI101 D405 D401 L404 1N4148 1N4148 2.2 µH R482 L405 D404 Q412 2.2 µH R471A 1N4148 Q411 KSC1815 GR C426...
  • Page 26 CD-XP120W SW708 EQUALIZER SW712 X-BASS/DEMO DISC SKIP SW702 SW709 SW705 SW713 TAPE TUNER OPEN/CLOSE SW703 SW710 SW706 SW714 TUNING UP STOP TUNING DOWN PLAY/REPEAT SW704 SW707 SW711 SW715 PRESET UP PRESET DOWN VOLUME DOWN VOLUME UP VFD701 FL DISPLAY 22 21 20 19 18 17 16...
  • Page 27 CD-XP120W DISPLAY PWB-B W713 /CLOSE W714 Y/REPEAT SW715 ME DOWN RX701 REMOTE SENSOR C701 100/10 C702 SWITCH A PWB-A4 0.047 R702 SW701 R703 CNP702 ON/STAND-BY R704 C703 100P R713 BI702 CNS702 22 21 20 19 18 17 16 15 14 13...
  • Page 28 CD-XP120W P30 2 - B FROM CD SERVO PWB CD SER CNS105 MAIN PWB-A1 C384 TP301 C381 R374 X352 2 3 4 5 6 7 8 9 10 CNP101 R373 R391 CNP105 C391 R372 D308 R392 R379 R371 C380 C142...
  • Page 29 CD-XP120W P33 11 - D P30 1 - B P30 1 - D COLOR TABLE FROM FROM FROM MIC PWB-A9 DISPLAY PWB CD SERVO PWB VR901 CD SERVO PWB BROWN MIC VOLUME CNS101 CNS102 CNS103 R D ( R )
  • Page 30 CD-XP120W CNS405 BI405 P29 8 - A CNP103 R401 IC404 TO MAIN PWB CNS103 P28 5 - A TO MAIN PWB CNP105 CNS105 1 2 3 4 5 6 7 8 9 10 C450 C447 R485 R456 C448 C437 R486...
  • Page 31 CD-XP120W COLOR TABLE BROWN R D ( R ) ORANGE PICKUP UNIT(308) CNP405 YELLOW GREEN BLUE VIOLET GRAY W H ( W ) WHITE NM801 PICKUP IN BLACK SLED MOTOR PINK NM802 SPINDLE MOTOR CD MOTOR PWB-C T/T UP/DOWN CD LOADING...
  • Page 32 CD-XP120W R712 C703 RX701 R701 IC701 P30 2 - D CNS701 FROM CD SERVO PWB 11 12 CNP701 VFD701 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25...
  • Page 33 CD-XP120W COLOR TABLE DISPLAY PWB-B BROWN R D ( R ) R713 ORANGE YELLOW LED701 R711 GREEN R707 BLUE Q701 VIOLET GRAY W H ( W ) WHITE BLACK PINK 1 22 23 24 25 26 27 28 29 30 31...
  • Page 34 CD-XP120W P29 10 - D CNP803 TO MAIN PWB TAPE 1 TAPE 1 TAPE 2 TAPE 2 PLAY FF/REW FF/REW PLAY P29 8 - G TAPE CNP804 MOTOR TO MAIN PWB TAPE 1 TAPE 2 ERASE RECORD/PLAYBACK PLAYBACK HERAD HEAD...

  • Page 35: Voltage

    CD-XP120W VOLTAGE IC101 IC401 IC403 IC404 IC701 IC801 Q204 Q408 VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE 18 V 2.6 V 0.2 V 4.8 V 2.7 V 0.6 V 2.6 V 2.7 V 2.7 V 1.5 V 0.3 V 4.9 V...

  • Page 36: Function Table Of Ic

    CD-XP120W FUNCTION TABLE OF IC IC402 VHiAN22000A-1: Head Amp. (AN22000A) Pin No. Terminal Name Function APC amp input. APC amp output. Power supply. RF amp inverting input. RFOUT RF addition amp output. RFIN AGC amp input. CAGC AGC loop filter connection.
  • Page 37 CD-XP120W IC401 VHiMN6627482W: CD Signal Control (MN6627482W) (1/2) Pin No. Terminal Name Input/Output Function BCLK Output SRDATA bit clock output. LRCK Output L/R identification signal output. SRDATA Output Serial data output. DVDD1 Input Digital circuit power supply. DVSS1 Input Digital circuit GND.
  • Page 38 CD-XP120W IC401 VHiMN6627482W: CD Signal Control (MN6627482W) (2/2) Pin No. Terminal Name Input/Output Function DSLF Input/Output DSL loop filter terminal. PLLF Input/Output PLL loop filter terminal. VCOF Input/Output VCO loop filter terminal. AVDD2 Input Analog circuit power supply. (DSL, PLL and DA output sections for AD)
  • Page 39 CD-XP120W IC401 VHiMN6627482W: CD Signal Control (MN6627482W) SUBCODE DSL • PLL VCO TIMING DIGITAL BUFFER DEEMPHSIS GENERATOR /RST /TEST PITCH CONTROL DEMODULATION 8TIMES CD-TEXT OVER BUFFER SYNC INTERPOLATION SAMPLING MICRO DIGITAL FILTER SUBCODE DEMODULATION COMPUTER RFENV INTERFACE CIRC ERROR CORRECTION...

  • Page 40: Fl Display

    CD-XP120W FL DISPLAY VFD701 : VVK250808//-1 M H z k H z M E M O R Y R A N D O M SLEEP X-BASS 2G-7G PIN NO. 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8...

  • Page 41: Parts Guide

    CD-XP120W PARTS GUIDE MINI COMPONENT SYSTEM CD-XP120W MODEL CD-XP120W Mini Component System consisting of CD-XP120W (main unit) and CP-XP120 (speaker system). “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information.
  • Page 42 CD-XP120W PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK ZD203,204 VHEDZ3R3BSB-1 AB Zener,3.3V,DZ3.3BSB CD-XP120W ZD351 VHEDZ5R1BSB-1 AC Zener,5.1V,DZ5.1BSB ZD401 VHEDZ3R3BSB-1 AB Zener,3.3V,DZ3.3BSB INTEGRATED CIRCUITS FILTERS IC101 VHIMC7805CT-1 AF Voltage Regulator,MC7805CT IC201 VHILM1876TF-1 BD Power Amp.,LM1876TF BF301 RFILR0008AWZZ AE Band Pass Filter...
  • Page 43 CD-XP120W PRICE PRICE DESCRIPTION DESCRIPTION PART CODE PARTS CODE RANK RANK AA 0.01 µF,25V AA 0.012 µF,25V C422 VCKYCY1EF103Z C301 VCKYCY1EF123Z AA 0.0022 µF,50V AA 0.001 µF,50V C423 VCKYPA1HB222K C302,303 VCKYCY1HB102K J AB 47 µF,16V,Electrolytic AA 0.01 µF,25V C424 RC-GZA476AF1C...
  • Page 44 CD-XP120W PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK RESISTORS R401 VRD-ST2CD102J AA 1 kohm,1/6W R402 VRD-ST2CD224J AA 220 kohms,1/6W R403 VRS-CY1JB100J AA 10 ohm,1/16W VRS-CY1JB000J AA 0 ohm,Jumper,0.8×1.55mm,Green R404 VRD-ST2CD330J AA 33 ohms,1/6W R101 VRD-ST2CD223J AA 22 kohms,1/6W...
  • Page 45 CD-XP120W PRICE PRICE DESCRIPTION DESCRIPTION PART CODE PARTS CODE RANK RANK R491 VRS-CY1JB102J AA 1 kohm,1/16W CNP104 QCNCM998GAFZZ J AH Plug,7Pin R492 VRD-ST2CD123J AA 12 kohms,1/6W CNP105 QCNCM999KAFZZ J AD Plug,10Pin R493 VRS-CY1JB752J AA 7.5 kohms,1/16W CNP107 QCNCM999DAFZZ J AG Plug,4Pin...
  • Page 46 CD-XP120W PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK 9GDM03-XPD01 Belt XBBSD26P06000 AA Screw,ø2.6×6mm 9GDM03-SCL06 Gear,Transporting XHBSD20P05000 AA Screw,ø2×5mm 9GDM03-SCL01 Pulley,Loading NM801 RMOTV0409AFM1 J AN Motor with Gear [Sled] 9GDM03-JDB03 Base,Transporting Parts NM802 RMOTV0003SJM1 J AP Motor with Chassis [Spindle]...
  • Page 47 CD-XP120W PRICE DESCRIPTION PART CODE RANK P.W.B. ASSEMBLY (Not Replacement Item) PWB-A1~9 DCEKAV233SJ03 –– Main/CD Servo/Headphones/ Switch A/Switch B/CD Loading Motor/T/TUp/Down Motor/ Speaser/Mic (Combined Ass’y) PWB-B DCEKNV233SJ03 –– Display PWB-C QPWBF3895AFZZ J AC CD Motor (PWB Only) 1 PWB-D DCEKKV233SJ03 ––...
  • Page 48 CD-XP120W CD-XP120W 308-3 308-1 308-2 702x2 NM802 NM801 PWB-C Figure 7 CD MECHANISM EXPLODED VIEW – 7 –...
  • Page 49 CD-XP120W CD-XP120W PWB-A1 614x10 604x3 610x2 202-1 611x2 Q104 620x2 250x6 611x2 618x3 202-2 613x2 Q103 Silicon IC101 228x2 Grease 613x10 IC201 PWB-A4 PWB-A3 613x3 PWB-A8 614x4 201-2 201-1 614x2 VFD701 201-7 PWB-B T101 605x4 201-9 201-3 PWB-D 201-4 201-5...
  • Page 50 CD-XP120W CD-XP120W 619x2 619x2 MECHANISM PWB-A5 617x2 281x4 609x2 280x4 279x2 602x4 620x2 621x3 621x3 609x2 PWB-A7 610x4 PWB-A6 610x2 610x3 PWB-A2 616x3 Figure 9 CABINET EXPLODED VIEW (2/2) – 9 –...
  • Page 51 CD-XP120W — M E M O — – 10 –...
  • Page 52 CD-XP120W © COPYRIGHT 2002 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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