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Sharp CD-XP120 Service Manual

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IMPORTANT SERVICE NOTES ........................................................................................................................................ 2
SPECIFICATIONS ............................................................................................................................................................. 2
NAMES OF PARTS ........................................................................................................................................................... 3
DISASSEMBLY .................................................................................................................................................................. 5
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 7
ADJUSTMENT ................................................................................................................................................................... 9
TEST MODE .................................................................................................................................................................... 10
BLOCK DIAGRAM ........................................................................................................................................................... 12
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 16
VOLTAGE ........................................................................................................................................................................ 33
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 34
TYPES OF TRANSISTOR ............................................................................................................................................... 34
FUNCTION TABLE OF IC ................................................................................................................................................ 35
FL DISPLAY ..................................................................................................................................................................... 39
REPLACEMENT PARTS LIST/EXPLODED VIEW
All manuals and user guides at all-guides.com
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
MINI COMPONENT SYSTEM
CD-XP120
MODEL
CD-XP120 Mini Component System consisting of CD-XP120
(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.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-XP120
No. S4234CPXP120/
Page

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  • Page 1: Table Of Contents

    MINI COMPONENT SYSTEM CD-XP120 MODEL CD-XP120 Mini Component System consisting of CD-XP120 (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: Important Service Notes

    All manuals and user guides at all-guides.com CD-XP120 IMPORTANT SERVICE NOTES BEFORE RETURNING THE AUDIO PRODUCT (Fire & Shock Hazard) Before returning the audio product to the user, perform the following safety checks. 1. Inspect all lead dress to make certain that leads are not...

  • Page 3: Names Of Parts

    All manuals and user guides at all-guides.com CD-XP120 NAMES OF PARTS CD-XP120 Front panel 1. Disc Tray 2. Power On/Stand-by Button 3. Tuner (Band) Button 4. CD Button 5. CD Track Down or Fast Reverse, Tuner Preset Down Button 6. Headphone Jack 7.
  • Page 4 All manuals and user guides at all-guides.com CD-XP120 CD-XP120 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. Equalizer Mode Select Button 9.

  • Page 5: Disassembly

    All manuals and user guides at all-guides.com CD-XP120 DISASSEMBLY CD-XP120 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 6 All manuals and user guides at all-guides.com CD-XP120 (N1)x3 (N2)x1 (N2)x1 ø3x24mm Front Panel Display PWB (G2)x1 Display PWB (P1)x2 ø3x8mm (H1)x10 Loading ø2.5x10mm Tray CD Servo Switch A Tape Mechanism (J1)x8 ø3x10mm Open (G1)x3 (N2)x2 ø2.5x10mm Cassette Switch B...

  • Page 7: Removing And Reinstalling The Main Parts

    All manuals and user guides at all-guides.com CD-XP120 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 Hook ø2x3mm remove the tape mechanism.
  • Page 8 All manuals and user guides at all-guides.com CD-XP120 CD MECHANISM SECTION Perform steps 1, 2, 3, 11, 12, 13 and 15 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...

  • Page 9: Adjustment

    All manuals and user guides at all-guides.com CD-XP120 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 10: Test Mode

    All manuals and user guides at all-guides.com CD-XP120 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 &...
  • Page 11 All manuals and user guides at all-guides.com CD-XP120 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".

  • Page 12: Block Diagram

    All manuals and user guides at all-guides.com CD-XP120 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- D402 D403 O/C SW LOAD_SW DISC_SW –...
  • Page 13 All manuals and user guides at all-guides.com CD-XP120 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 LOAD_SW TO MAIN SECTION PICK_IN...
  • Page 14 All manuals and user guides at all-guides.com CD-XP120 ANTENNA AM LOOP FM IF ANTENNA T302 CF303 DZ5.1BSJ B.P.F IC301 TA7358AP BF301 X351 CF351 FM FRONT END 456 kHz T351 CF352 AM IF CNP301 AM MIX AM IF MO/ST L302 FM RF...
  • Page 15 All manuals and user guides at all-guides.com CD-XP120 FL701 FL DISPLAY 52 51 SW702~SW715 IC701 SC16312 SYSTEM CNP702 MICROCOMPUTER KEY3 FROM CD SECTION JK101 KEY1 CNS702 HEADPHONES CNP105 SW701 FROM CD SECTION CNS105 SP DET R-OUT L-OUT IC201 LM1876TF POWER AMP.

  • Page 16: Schematic Diagram / Wiring Side Of P.w.board

    All manuals and user guides at all-guides.com CD-XP120 P23 12 - C P23 9 - A P23 12 - D FROM FROM FROM CD SERVO PWB CD SERVO PWB CD SERVO PWB CNS105 CNS101 CNS103 9 10 3 2 1...
  • Page 17 All manuals and user guides at all-guides.com CD-XP120 P19 12 - A, B TO TAPE SECTION CNP103 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 C619 220P...
  • Page 18 All manuals and user guides at all-guides.com CD-XP120 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...
  • Page 19 All manuals and user guides at all-guides.com CD-XP120 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...
  • Page 20 All manuals and user guides at all-guides.com CD-XP120 FM SIGNAL AM TRACKING fL AM SIGNAL AM ANTENNA FM MUT LEVEL VR351 C302 10K(B) 0.001 T302 C329 0.022 D301 C335 AM OSC. 1N4148 560P D302 R323 R336 1N4148 5.6K T306 C337 AM BAND 0.022...
  • Page 21 All manuals and user guides at all-guides.com CD-XP120 MAIN PWB-A1(3/3) Q351 KRC104 M FM MUTE LEVEL VR351 R358 10K(B) 8.2K 4.7V (0V) C371 R361 L353 1/50 R362 C372 1/50 2.3V R336 5.6K R366 2.2K IC303 LA1832S C358 1/50 2.1V R352 C350 0.022...
  • Page 22 All manuals and user guides at all-guides.com CD-XP120 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-A8 R418 R421 R434 R437 1.5K 1.5K 3.3K...
  • Page 23 All manuals and user guides at all-guides.com CD-XP120 P25 12 - F P16 4 - A TO DISPLAY PWB TO MAIN PWB CNP701 CNP101 CNS701 CNS101 BI701 BI101 D401 D405 L404 1N4148 1N4148 2.2 µH R482 L405 D404 Q412 R471A 2.2 µH...
  • Page 24 All manuals and user guides at all-guides.com CD-XP120 SW708 EQUALIZER/ SW712 DISC SKIP X-BASS/DEMO SW702 SW705 SW709 SW713 TAPE TUNER OPEN/ (BAND) CLOSE SW703 SW706 SW710 SW714 TUNING TUNING STOP PLAY/ DOWN REPEAT SW704 SW707 SW711 SW715 PRESET VOLUME PRESET...
  • Page 25 All manuals and user guides at all-guides.com CD-XP120 DISPLAY PWB-B RX701 REMOTE SENSOR C701 100/10 R701 C702 SWITCH A PWB-A5 0.047 R702 R703 SW701 ON/STAND-BY R704 BI702 C703 CNP702 CNS702 100P 2 21 20 19 18 17 16 15 14 13...
  • Page 26 All manuals and user guides at all-guides.com CD-XP120 P28 2 - B FROM CD SERVO PWB CNS105 MAIN PWB-A1 C384 TP301 C381 R374 X352 1 2 3 4 5 6 7 8 9 10 R373 R391 CNP105 C391 R372 D308...
  • Page 27 All manuals and user guides at all-guides.com CD-XP120 P28 2 - B P28 1 - D P31 11 - D P28 1 - B FROM FROM FROM FROM SERVO PWB CD SERVO PWB DISPLAY PWB CD SERVO PWB CNS105 CNS101...
  • Page 28 All manuals and user guides at all-guides.com CD-XP120 CNS405 P27 9 - A CNP103 BI405 IC404 R401 TO MAIN PWB CNS103 P26 6 - A TO MAIN PWB CNP105 CNS105 1 2 3 4 5 6 7 8 9 10...
  • Page 29 All manuals and user guides at all-guides.com CD-XP120 COLOR TABLE BROWN RD(R) ORANGE PICKUP UNIT(308) CNP405 YELLOW GREEN BLUE VIOLET GRAY WH(W) WHITE NM801 PICKUP IN BLACK SLED MOTOR PINK NM802 SPINDLE MOTOR CD MOTOR PWB-C T/T UP/DOWN CD LOADING...
  • Page 30 All manuals and user guides at all-guides.com CD-XP120 C703 RX701 R701 IC701 P28 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 31 All manuals and user guides at all-guides.com CD-XP120 COLOR TABLE DISPLAY PWB-B BROWN RD(R) ORANGE YELLOW R711 GREEN R707 BLUE VIOLET GRAY WH(W) WHITE BLACK PINK 1 22 23 24 25 26 27 28 29 30 31 32 33 CNS102...
  • Page 32 All manuals and user guides at all-guides.com CD-XP120 P27 10 - D CNP803 TO MAIN PWB TAPE 1 TAPE 1 TAPE 2 TAPE 2 PLAY FF/REW FF/REW PLAY P27 8 - G TAPE CNP804 MOTOR TO MAIN PWB TAPE 1...

  • Page 33: Voltage

    All manuals and user guides at all-guides.com CD-XP120 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...

  • Page 34: Notes On Schematic Diagram

    All manuals and user guides at all-guides.com CD-XP120 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 35: Function Table Of Ic

    All manuals and user guides at all-guides.com CD-XP120 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.
  • Page 36 All manuals and user guides at all-guides.com CD-XP120 IC401 VHiMN6627482W: CD Signal Control (MN6627482WA) (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.
  • Page 37 All manuals and user guides at all-guides.com CD-XP120 IC401 VHiMN6627482W: CD Signal Control (MN6627482WA) (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.
  • Page 38 All manuals and user guides at all-guides.com CD-XP120 IC401 VHiMN6627482W: CD Signal Control (MN6627482WA) SUBCODE DSL • PLL VCO TIMING BUFFER DIGITAL DEEMPHSIS /RST GENERATOR /TEST PITCH CONTROL DEMODULATION 8TIMES CD-TEXT OVER BUFFER SYNC INTERPOLATION SAMPLING MICRO DIGITAL FILTER SUBCODE...

  • Page 39: Fl Display

    All manuals and user guides at all-guides.com CD-XP120 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 40 All manuals and user guides at all-guides.com CD-XP120 — M E M O — – 40 –...
  • Page 41 CD-XP120 PARTS GUIDE MINI COMPONENT SYSTEM CD-XP120 MODEL CD-XP120 Mini Component System consisting of CD-XP120 (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 All manuals and user guides at all-guides.com CD-XP120 PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK CD-XP120 FILTERS INTEGRATED CIRCUITS BF301 RFILR0008AWZZ AE Band Pass Filter CF302,303 RFILF0004SJZZ AG FM IF,10.7 MHz IC101 VHIMC7805CT-1 AF Voltage Regulator,MC7805CT CF351...
  • Page 43 All manuals and user guides at all-guides.com CD-XP120 PRICE PRICE DESCRIPTION DESCRIPTION PART CODE PARTS CODE RANK RANK AA 0.0047 µF,50V AB 3.3 µF,16V,Electrolytic C305 VCKYCY1HB472K J C426 RC-GZA335AF1C AC 0.1 µF,50V,Thin Film C306 VCCUCY1HJ9R0D J AB 9 pF (UJ),50V...
  • Page 44 All manuals and user guides at all-guides.com CD-XP120 PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK R109,110 VRD-ST2EE470J AA 47 ohms,1/4W R413 VRS-CY1JB392J AA 3.9 kohms,1/16W R111 VRD-ST2CD472J AA 4.7 kohms,1/6W R414 VRD-ST2CD222J AA 2.2 kohms,1/6W R113,114 VRD-ST2CD223J...
  • Page 45 All manuals and user guides at all-guides.com CD-XP120 PRICE PRICE DESCRIPTION DESCRIPTION PART CODE PARTS CODE RANK RANK R701 VRD-ST2CD102J AA 1 kohm,1/6W 9GDSO2210172 Switch,Leaf Type R702 VRD-ST2EE470J AA 47 ohms,1/4W [Tape 1 FF/REW] R703~707 VRD-ST2CD103J AA 10 kohm,1/6W 9GDSO2210172...
  • Page 46 All manuals and user guides at all-guides.com CD-XP120 PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK JBTN-0025SJSA AD Button,Record [Tape 1] PACKING PARTS (EXCEPT FOR U.S.A.) JBTN-0026SJSA AD Button,Play [Tape 1] JBTN-0027SJSA AD Button,Rewind [Tape 1] SPAKA0120SJZZ Packing Add.,Left...
  • Page 47 All manuals and user guides at all-guides.com CD-XP120 CD-XP120 308-2 308-1 308-3 702x2 NM802 NM801 PWB-C Figure 6 CD MECHANISM EXPLODED VIEW – 6 –...
  • Page 48 All manuals and user guides at all-guides.com CD-XP120 CD-XP120 PWB-A1 614x8 604x3 202-1 611x2 618x3 614x2 Q104 250x6 IC101 Q103 Silicon 202-2 Grease IC201 614x3 613x2 613x10 PWB-A4 228x2 PWB-B 613x3 PWB-A9 PWB-A5 201-2 201-1 201-7 201-3 VFD701 201-4 605x4...
  • Page 49 All manuals and user guides at all-guides.com CD-XP120 CD-XP120 619x2 619x2 MECHANISM PWB-A6 617x2 281x4 609x2 280x4 279x2 602x4 620x2 616x3 616x3 609x2 PWB-A8 610x4 PWB-A7 610x2 610x3 PWB-A2 616x4 Figure 8 CABINET EXPLODED VIEW (2/2) – 8 –...

  • Page 50: Packing Of The Set

    All manuals and user guides at all-guides.com CD-XP120 PACKING OF THE SET Setting position of switches and knobs Tape Mechanism STOP UNIT SPEAKER ASS'Y CP-XP120 SSAKH0017SJZZ Polyethylene Bag, Unit SPAKA0122SJZZ Packing Add., Left SPAKA0121SJZZ Packing Add., Right Bottom TLABZ0075SJZZ Label, Feature Tape2...
  • Page 51 All manuals and user guides at all-guides.com CD-XP120 — M E M O — – 10 –...
  • Page 52 All manuals and user guides at all-guides.com CD-XP120 © 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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