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Sharp GX-M10 Service Manual
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Sharp GX-M10 Service Manual

Portable cd stereo system
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[1]
[2]
[3]
Specifications ..............................................
[4]
Name Of Parts .............................................
[1]
CD Section .................................................. 2-1
[2]
Test Mode .................................................... 2-1
[3]
detection display ......................................... 2-1
CHAPTER 3. MECHANICAL DESCRIPTION
[1]
Disassembly ................................................ 3-1
[1]
Waveform Of Servo Circuit .......................... 4-1
[2]
Voltage......................................................... 4-2
!
Parts marked with "
specified ones for maintaining the safety and performance of the set.

SHARP CORPORATION

SERVICE MANUAL
PORTABLE CD STEREO SYSTEM
iPhone not included.
CONTENTS
...... 1-1
...... 1-2
...... 1-3
" are important for maintaining the safety of the set. Be sure to replace these parts with
GX-M10
MODEL
GX-M10
GX-M10
without suffix : GUN METAL COLOR
(OR) : ORANGE COLOR
(RD) : RED COLOR
• In the interests of user-safety (Required by safety regulations in some
countries) the set should be restored to its original condition and only
parts identical to those specified be used.
iPad, iPhone, iPod, iPod classic, iPod nano, and
iPod touch are trademarks of Apple Inc., registered
in the U.S. and other countries.
"Made for iPod," "Made for iPhone," and "Made for iPad"
mean that an electronic accessory has been designed to
connect
respectively, and has been certified by the developer to
meet Apple performance standards. Apple is not
responsible for the operation of this device or its
compliance with safety and regulatory standards. Please
note that the use of this accessory with iPod, iPhone, or
iPad may affect wireless performance.
[1]
Troubleshooting ........................................... 5-1
[1]
Function Table of IC ..................................... 6-1
[2]
LCD Display ................................................. 6-5
[1]
Main Block Diagram..................................... 7-1
LAYOUT
[1]
Notes On Schematic Diagram ..................... 8-1
[2]
Type Of Transistor And LED ........................ 8-1
[3]
Schematic Diagram ..................................... 8-2
[4]
Chart Of Connecting Wires.......................... 8-7
[5]
Wiring Side Of PWB .................................... 8-8
This document has been published to be used for
after sales service only.
- 1
The contents are subject to change without notice.
GX-M10
No. SX243GXM10UC/
OR
(
RD
(
[For U.S.A./Canada]
specifically
to
iPod,
iPhone,
or
)
)
iPad,

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  • Page 1: Table Of Contents

    GX-M10 SERVICE MANUAL No. SX243GXM10UC/ PORTABLE CD STEREO SYSTEM GX-M10 MODEL GX-M10 GX-M10 [For U.S.A./Canada] without suffix : GUN METAL COLOR (OR) : ORANGE COLOR (RD) : RED COLOR • In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only iPhone not included.

  • Page 2: Precautions For Using Lead-Free Solder

    GX-M10 PRECAUTIONS FOR USING LEAD-FREE SOLDER 1. Employing lead-free solder "MAIN, iPod, DOOR SWITCH, SMPS, DISPLAY, KEY, USB, TRANSIT, SUBWOOFER FLASH (R-CH), SUBWOOFER FLASH (L-CH), BATTERY TERMINAL 1, BATTERY TERMINAL 2, AC INLET PWB" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWB and service manuals.

  • Page 3: Chapter 1. General Description

    GX-M10 CHAPTER 1. GENERAL DESCRIPTION [1] Important Service Safety Precaution CAUTION : “These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so”.

  • Page 4: Specifications

    GX-M10 [3] Specifications USB (MP3 / WMA) General AC 120 V ~ 60 Hz Power source USB host interface Complies with USB 1.1 (Full 15 V (UM/SUM-1, R20) x 10 Speed)/2.0 Mass Storage Class. DC IN 12 V Support Bulk only and CBI protocol.
  • Page 5 PRESET VOLUME 11. Volume Up Button 12. Docking station door open knob 13. Timer indicator 14. Remote sensor PORTABLE MUSIC BOOMBOX GX-M10 15. Docking station 16. USB/iPad Terminal 17. CD compartment 18. CD compartment open knob Rear panel 3 4 5 6 7 8 1.
  • Page 6 GX-M10 Speakers 1. Front speaker 2. Subwoofer 3. Bass Reflex Duct Remote Control 1. Remote Control Transmitter 2. Demo/Dimmer Button 3. Numeric Buttons 4. Equalizer (X-Bass) Button 5. Tuner Preset Up Button 6. Tuner Preset Down Button 7. Folder Button 8.

  • Page 7: Chapter 2. Adjustments

    GX-M10 CHAPTER 2. ADJUSTMENTS [1] CD Section Items adjusted automatically • Adjustment 1) Offset adjustment (The offset voltage between the Since this CD system incorporates the following head amplifier output and the VREF reference voltage is compensated inside the IC) automatic adjustment functions, readjustment is not needed when replacing the pickup.

  • Page 8: Disassembly

    GX-M10 CD-ES700/CD-ES77 CD-ES700/CD-ES77 Service Manual CD-ES700/CD-ES77 Market CHAPTER 3. MECHANISM DESCRIPTION [1] Disassembly Caution On Disassembly Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance: 1. Take compact disc out of the unit.
  • Page 9 GX-M10 (H1) x 1 Speaker Cup Front Cabinet Ass’y (D1) x 1 PWB Holder Ass’y (H1) x 1 Speaker Cup (H2) x 4 M3 x 10mm (D2) x 2 M3 x 10mm (D2) x 4 M3 x 10mm (C2) x 1...
  • Page 10 GX-M10 (P2) x 1 From AC Inlet PWB (L1) x 4 (P1) x 4 Special Screw (M1) x 1 M3 x 8mm M3 x 8mm Door Switch PWB Top Cabinet Ass’y CD Mechanism Unit (C2) x 1 Figure 9 From Main PWB SMPS PWB Back Cabinet Ass’y...

  • Page 11: Chapter 4. Circuit Description

    GX-M10 CHAPTER 4. CIRCUIT DESCRIPTION [1] Waveform Of Servo Circuit Figure 1 Figure 2 RFOUT RFOUT Figure 4 Figure 3 SPOUT Figure 5 4 – 1...

  • Page 12: Voltage

    GX-M10 [2] Voltage IC500 IC600 Voltage (V) Voltage (V) Voltage (V) Voltage (V) Voltage (V) Voltage (V) Voltage (V) Voltage (V) 1.78 1.85 1.82 1.62 3.15 2.92 3.05 3.17 0.07 0.02 0.01 1.62 3.30 0.72 3.33 3.17 0.73 0.76 0.01 1.62...
  • Page 13 GX-M10 IC801 IC802 IC803 IC804 IC805 Voltage (V) Voltage (V) Voltage (V) Voltage (V) Voltage (V) 0.73 9.92 4.98 9.94 5.05 3.31 21.63 0.09 21.53 0.00 0.00 5.17 0.74 5.02 5.05 3.78 -0.02 0.05 -0.07 1.18 0.79 1.25 0.80 3.32 0.99...
  • Page 14 GX-M10 IC6(EM638165 SDRAM) Voltage (V) Voltage (V) Voltage (V) Voltage (V) Voltage (V) Voltage (V) 3.33 4.00 m 2.90 m 2.70 m 3.34 2.70 m 4.00 m 4.00 m 4.00 m 3.33 1.42 4.00 m 3.33 2.80 m 4.00 m 4.10 m...

  • Page 15: Chapter 5. Flowchart

    GX-M10 CHAPTER 5. FLOWCHART [1] Troubleshooting 1. When the CD does not function The CD section may not operate when the objective lens of the optical pickup is dirty. Clean the objective lens, and check the playback operation. When this section does not operate even after the above step is taken, check the following items.

  • Page 16: Figure

    GX-M10 (1) Focus-HF system check. Although a CD is inserted and the cover is closed, "NO DISC" is displayed. Without inserting a disc, close the CD top cover and try starting the playback operation. Figure 1 1. Does the pickup move to the PICKUP-IN Switch position ? Sled motor.

  • Page 17: Figure

    GX-M10 (2) Tracking system check. Check the TE waveform at pin 63 on IC1. The tracking servo is not activated. If the waveform shown in Figure 4 appears and soon after NO Check the peripheral circuits at pins 50, 51, 48, 49 on IC1 and DISC appears ? FFC1.

  • Page 18: Chapter 6. Major Part Drawing

    GX-M10 CHAPTER 6. MAJOR PART DRAWING [1] Function Table Of IC IC600 CH-IXA369AWA5 : Micro Computer IXA369AW00 ( 1/4 ) NAME INPUT/ SOFT HARDWARE TYPE DESCRIPTION OUTPUT PULL-UP PULL-UP PORT_TYPE HP_SEL CMOS INPUT / HEADPHONE IN DETECTION SWITCH INPUT NEED...
  • Page 19 GX-M10 IC600 CH-IXA369AWA5 : Micro Computer IXA369AW00 ( 2/4 ) NAME INPUT/ SOFT HARDWARE TYPE DESCRIPTION OUTPUT PULL-UP PULL-UP PORT_TYPE LCD_DI CMOS INPUT / OUTPUT LCD DRIVER DATA OUTPUT OUTPUT P1_4/TXD0 MIC_SW CMOS INPUT / MIC IN DETECTION SWITCH INPUT...
  • Page 20 GX-M10 IC600 CH-IXA369AWA5 : Micro Computer IXA369AW00 ( 3/4 ) NAME INPUT/ SOFT HARDWARE TYPE DESCRIPTION OUTPUT PULL-UP PULL-UP PORT_TYPE TIMER_LED CMOS INPUT / TIMER LED CONTROL OUTPUT OUTPUT H : ON , L : OFF P6_2 AC_RELAY MAIN TRANS ON/OFF CONTROL...

  • Page 21: Figure

    GX-M10 IC600 CH-IXA369AWA5 : Micro Computer IXA369AW00 ( 4/4 ) P3_2/(INT2)(Note2 P3_6/(INT1)(Note2 Figure 6-1 BLOCK DIAGRAM OF IC 6 – 4...

  • Page 22: Lcd Display

    GX-M10 [2] LCD Display LCD701 RV-LXA009AWZZ GRID ASSIGNMENT ANODE CONNECTION 6 – 5...
  • Page 23 GX-M10 -MEMO- 6 – 6...

  • Page 24: Chapter 7. Diagrams

    GX-M10 CHAPTER 7. DIAGRAMS [1] Main Block Diagram CD MOTOR SA5888 CD DRIVER IC IC900 IC500 POWER AMP IC TAS5342LA TAS5504A PWMD PWM_P_1 Front speaker-R SDIN2 SRDATAT PWMC SCLK PWM_P_2 OUT_C BCLK CD/MP3 3Ω LRCK PWM_M_4 PWMB LRCK MCLK PWMA...
  • Page 25 GX-M10 -MEMO- 7 – 2...
  • Page 26 GX-M10 -MEMO- – 1 7 – 3...

  • Page 27: Chapter 8. Circuit Schematics And Parts

    GX-M10 CHAPTER 8. CIRCUIT SCHEMATICS AND PARTS LAYOUT [1] Notes On Schematic Diagram Resistor: • • Schematic diagram and Wiring Side of P.W.Board To differentiate the units of resistors, such symbol as this model subject change K and M are used: the symbol K means 1000 ohm improvement without prior notice.

  • Page 28: Schematic Diagram

    GX-M10 [3] Schematic Diagram MAIN PWB-A1 SIGNAL FLOW SMPS PWB-B (Not Serviceable Item) AUDIO SIGNAL BATTERY TERMINAL PWB 5.0A, 32 VDC 470/16 Figure 8-1: MAIN SECTION SCHEMATIC DIAGRAM (1/2) 8 – 2...
  • Page 29 GX-M10 SIGNAL FLOW AUDIO SIGNAL TUNER SIGNAL FROM SILICON TUNER PACK RTUNSA047AWZZ MICOM REFLASH TERMINAL FROM DISPLAY PWB-C1 CNP701 Figure 8-2: MAIN SECTION SCHEMATIC DIAGRAM (2/2) 8 – 3...
  • Page 30 GX-M10 MAIN PWB-A1 CD SERVO SECTION CD DSP FLASH MEMORY IC FROM CD PICK UP UNIT Figure 8-3: MAIN (CD SERVO) SECTION SCHEMATIC DIAGRAM 8 – 4...
  • Page 31 GX-M10 DISPLAY PWB-C1 KEY PWB-C2 Timer Section SELECTION TABLE VERSION LCD BACKLIGHT PANEL R722 R723 ORANGE (OR) HDECQA649AW01 100Ω 100Ω GUN METAL (GM) HDECQA649AW01 100Ω 100Ω RED (RD) HDECQA681AW01 150Ω 150Ω Figure 8-4: DISPLAY, KEY & TIMER SECTION SCHEMATIC DIAGRAM...
  • Page 32 GX-M10 iPod PWB-A2 TRANSIT PWB-C4 JP252 RBLN-0081 JP250 RBLN-0081 MAIN PWB-A1 SUBWOOFER FLASHING SECTION IPOD EXTERNAL REFER SELECTION TABLE FOR PARTS DEVICE ONLY MARKED WITH (*) SELECTION TABLE FOR SUBWOOFER FLASHING SIGNAL FLOW VERSION R790 R791 R792 R793 180Ω 180Ω...

  • Page 33: Chart Of Connecting Wires

    GX-M10 [4] Chart Of Connecting Wires KEY PWB-C2 SUBWOOFER FLASH (R-CH) PWB-C6 SUBWOOFER FLAS H (L-CH) PWB-C5 CNP701B TO SUBWOOFER TO SUBWOOFER 2 4 6 (R-CH) (L-CH) 3 5 7 Bi701A 1 2 3 4 5 FFC702 TO MAIN TO MAIN...

  • Page 34: Wiring Side Of Pwb

    GX-M10 [5] Wiring Side Of PWB MAIN PWB-A1 1 2 3 4 5 6 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 DC ADAPTOR IN PHONES MICOM MIC IN GUITAR IN GUITAR AUDIO...
  • Page 35 GX-M10 MAIN PWB-A1 Lead-free solder indication Lead-free solder is used in the MAIN PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 8-8: WIRING SIDE OF MAIN PWB (BOTTOM VIEW) 8 – 9...
  • Page 36 GX-M10 iPod PWB-A2 DOOR SWITCH PWB-A3 Top View Top View Bottom View Bottom View Lead-free solder indication Lead-free solder is used in the iPod & DOOR SWITCH PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 8-9: WIRING SIDE OF iPod & DOOR SWITCH PWB...
  • Page 37 GX-M10 DISPLAY PWB-C1 USB PWB-C3 TIME PWB-C4 1 2 3 4 2 4 6 8 10 12 14 1 3 5 7 9 11 13 ¡ 1 2 3 4 5 TRANSIT PWB-C5 BATTERY TERMINAL 1 PWB-C8 KEY PWB-C2 1 2 3 4...
  • Page 38 GX-M10 DISPLAY PWB-C1 USB PWB-C3 TIME PWB-C4 TRANSIT PWB-C5 KEY PWB-C2 SUBWOOFER FLASH (R-CH) PWB-C6 SUBWOOFER FLASH (L-CH) PWB-C7 Lead-free solder indication Lead-free solder is used in the DISPLAY, KEY, USB, TIME, TRANSIT SUBWOOFER FLASH (R/L-CH), BATTERY TERMINAL 1/2 & AC INLET PWB.
  • Page 39 GX-M10 -MEMO- 8 – 13...
  • Page 40 GX-M10 -MEMO- – 1 8 – 14...

  • Page 41: Parts Guide

    GX-M10 PARTS GUIDE PORTABLE CD STEREO SYSTEM GX-M10 MODEL GX-M10 GX-M10 [For U.S.A./Canada] without suffix : GUN METAL COLOR (OR) : ORANGE COLOR (RD) : RED COLOR CONTENTS RESISTORS INTEGRATED CIRCUITS OTHER CIRCUITRY PARTS TRANSISTORS CABINET PARTS / DIODES CD MECHANISM PARTS...
  • Page 42 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [1] INTEGRATED CIRCUITS VHiMN7992AB-1 CD/USB/iPod DSP VHiSA5888TR-1 CD Motor Driver, SA5888, 28 Pin VHi337S3959-1 Apple Authentication IC VHiTS3USB++-1 USB Switch VHiTPS2561D-1 Current Limiter Power Switch VHiEM638165-1 16 Bit, SDRAM RH-iXA347AW00 CD DSP Flash Memory IC...
  • Page 43 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] DIODES D814 VHDDA1010++-1 Silicon, DA1010 D901 VHDRB521M30-1 Schottky Diode DZ451 RH-EXA680WJQZ Zener, 2.4V DZ801 RH-EXA741WJQZ Zener, 5.6V DZ802 RH-EXA701WJQZ Zener, 6.8V DZ803 RH-EXA718WJQZ Zener DZ804 RH-EXA701WJQZ Zener, 6.8V DZ805 RH-EXA701WJQZ Zener, 6.8V...
  • Page 44 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [5] CRYSTALS / VIBRATORS RCRSPA038AWZZ Crystal, 33.8688 MHz X501 RCRSPA039AWZZ Crystal, 13.50 MHz X601 RCRSPA037AWZZ Crystal, 32.768 KHz [6] CAPACITORS VCKYCZ1EF104Z 0.1 µF, 25V VCCCCY1HH222J 2200 pF, 50V VCKYCY1HB472K 4700 pF, 50V VCKYCY1EF104Z 0.1 µF, 25V...
  • Page 45 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [6] CAPACITORS C202 VCKYCY1EF104Z 0.1 µF, 25V C213 VCCCCY1HH101J 100 pF (CH), 50V C301 VCKYCY1HB102K 1000 pF, 50V C302 VCKYCY1HB221K 220 pF (CH), 50V C303 VCKYCY1HB221K 220 pF (CH), 50V C304...
  • Page 46 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [6] CAPACITORS C594 VCKYCY1HB333K 0.033 µF, 50V C595 VCKYCZ1EF104Z 0.1 µF, 25V C596 VCCCCY1HH470J 47 pF(CH), 50V C597 VCKYTV1HB102K 1000 pF, 50V C604 VCCCCY1HH150J 15 pF (CH), 50V C605 VCCCCY1HH150J 15 pF (CH), 50V...
  • Page 47 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [6] CAPACITORS VCEAZA1AW107M 100 µF, 10V, Electrolytic E402 VCEAZA1CW107M 100 µF, 16V, Electrolytic E404 VCEAZA1CW107M 100 µF, 16V, Electrolytic E432 VCEAZA1CW107M 100 µF, 16V, Electrolytic E434 VCEAZA1CW107M 100 µF, 16V, Electrolytic...
  • Page 48 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [7] RESISTORS JP709 VRS-TQ2BB000J 0 ohm, Jumper, 1.55x3.1mm, Green JP710 VRS-TQ2BB000J 0 ohm, Jumper, 1.55x3.1mm, Green JP711 VRS-TQ2BB000J 0 ohm, Jumper, 1.55x3.1mm, Green JP712 VRS-TV2AB000J 0 ohm, Jumper, 1.25x2mm VRS-CY1JB000J 0 ohm, Jumper, 0.8X1.55mm VRS-CY1JB000J 0 ohm, Jumper, 0.8X1.55mm...
  • Page 49 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [7] RESISTORS R444 VRS-CY1JF103J 10 kohm, 1/16W R446 VRS-CY1JF103J 10 kohm, 1/16W R447 VRS-CY1JF103J 10 kohm, 1/16W R451 VRS-CZ1JF684J 680 kohm, 1/16W R452 VRS-CZ1JF104J 100 kohm, 1/16W R453 VRS-CZ1JF104J 100 kohm, 1/16W...
  • Page 50 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [7] RESISTORS R601 VRS-CZ1JB000J 0 ohm, Jumper R602 VRS-CZ1JF330J 33 ohm, 1/16W R603 VRS-CZ1JB102J 1 kohm, 1/16W R606 VRS-CZ1JB000J 0 ohm, Jumper R611 VRS-CZ1JB102J 1 kohm, 1/16W R612 VRS-CZ1JB102J 1 kohm, 1/16W...
  • Page 51 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [7] RESISTORS R793 VRS-CY1JB181J 180 ohm, 1/16W ( Orange and Gun Metal Version ) R790 VRS-CY1JB221J 220 ohm, 1/16W ( Red Version ) R791 VRS-CY1JB221J 220 ohm, 1/16W ( Red Version )
  • Page 52 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [8] OTHER CIRCUITRY PARTS QCNWNB894AWPZ Connector Ass'y, 8 / 7 Pin [with CNS2] [Use in MAIN PWB-A1] QCNWNB978AWPZ Connector Ass'y, 5 / 4 Pin [with CNS4] [Use in MAIN PWB-A1] Bi250...
  • Page 53 GX-M10 -MEMO-...
  • Page 54 GX-M10 [9] CABINET PARTS / CD MECHANISM PARTS...
  • Page 55 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [9] CABINET PARTS / CD MECHANISM PARTS CCABA8678AW02 Front Cabinet Ass'y [ For ORANGE Version ] CCABA8761AW02 Front Cabinet Ass'y [ For RED Version ] CCABA8858AW02 Front Cabinet Ass'y [ For GUN METAL Version ]...
  • Page 56 GX-M10 PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [9] CABINET PARTS / CD MECHANISM PARTS PSHEZA310AWZZ Double Sided Tape QANTRA004AWSA FM Rod Antenna TLABZC132AWZZ Label, iPod/USB Rating TLABZC133AWZZ Label, CUL Safety TSPC-B766AWZZ Label, Specification [ For ORANGE Version ]...
  • Page 57 GX-M10 [10] ACCESSORIES / PACKING PARTS PACKING METHOD (FOR U.S.A. ONLY) Miramat Bag, Unit SSAKHA255AWZZ Stand for iPad Remote Control Packing Add., Unit, Left SPAKAA449AWZZ Label, Pop B TLABZC190AWZZ Label, ULEC CANADA Mark TLABZB481AWSA Label, Pop A TLABZC189AWZZ Packing Add., Unit, Right SPAKAA450AWZZ Carry Strap Ass’y...
  • Page 58 GX-M10 COPYRIGHT 2012 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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