Sharp XL-3500H Service Manual
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Sharp XL-3500H Service Manual

Compact audio system
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(Except for U.K.)
SAFETY PRECAUTION FOR SERVICE MANUAL .......................................................................................................... 2
IMPORTANT SERVICE NOTES (FOR U.K. ONLY) ......................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................ 3
NAMES OF PARTS .......................................................................................................................................................... 4
OPERATION MANUAL ..................................................................................................................................................... 6
DISASSEMBLY ................................................................................................................................................................. 8
REMOVING AND REINSTALLING THE MAIN PARTS .................................................................................................. 10
ADJUSTMENT ................................................................................................................................................................ 11
TEST MODE ................................................................................................................................................................... 12
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 19
TYPES OF TRANSISTOR AND LED .............................................................................................................................. 19
WAVEFORMS OF CD CIRCUIT ..................................................................................................................................... 20
BLOCK DIAGRAM .......................................................................................................................................................... 21
SCHEMATIC DIAGRAM ................................................................................................................................................. 24
WIRING SIDE OF P.W.BOARD ...................................................................................................................................... 32
TROUBLESHOOTING .................................................................................................................................................... 36
FUNCTION TABLE OF IC .............................................................................................................................................. 42
LCD SEGMENT .............................................................................................................................................................. 44
PARTS GUIDE/EXPLODED VIEW
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
- 1 -
COMPACT AUDIO SYSTEM
XL-3500H
MODEL
XL-3500H Compact Audio System consisting of XL-3500H
(main unit) and CP-XL3500H (speaker system).
• In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified should be used.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
XL-3500H
No. S4229XL3500H/
Page

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Summary of Contents for Sharp XL-3500H

  • Page 1: Table Of Contents

    COMPACT AUDIO SYSTEM XL-3500H MODEL XL-3500H Compact Audio System consisting of XL-3500H (main unit) and CP-XL3500H (speaker system). • In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified should be used.

  • Page 2: Safety Precaution For Service Manual

    XL-3500H SAFETY PRECAUTION FOR SERVICE MANUAL This product is classified as a CLASS 1 LASER PRODUCT. Precaution to be taken when replacing and servicing the Laser Diode Properties Laser Pickup. Material: GaAIAs The AEL (Accessible Emission Level) of Laser Power Output is...

  • Page 3: Specifications

    XL-3500H FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS General CD player Power source AC 230 V, 50 Hz Type Compact disc player Power on: 45 W Power consump- Signal readout...

  • Page 4: Names Of Parts

    9. AC Power Input Socket Speaker system 1. Tweeter 2. Woofer 3. Bass Reflex Duct <The bottom of the unit> 4. Speaker Terminals MODEL NO. XL-3500H MODEL NO. XL-3500H COMPACT AUDIO SYSTEM COMPACT AUDIO SYSTEM 230 V 50 Hz 45 W 230 V...
  • Page 5 XL-3500H Remote control 1. Remote Control Transmitter 2. On/Stand-by Button 3. CD Button 4. Tuner Button 5. Timer Button 6. Clock Button 7. Memory Button 8. Dimmer Button 9. Surround Button 10. Volume Up and Down Buttons 11. Video/Auxiliary Button 24 25 12.

  • Page 6: Operation Manual

    XL-3500H OPERATION MANUAL Setting the clock Within 1 minute, press the PRESET ( ) button to adjust the hour and then press the MEMORY button. When the 12-hour display is selected, "AM" will change auto- matically to "PM". Within 1 minute, press the PRESET ( ) button to adjust the minutes and then press the MEMORY button.
  • Page 7 XL-3500H Turn on your System Accessories Press the ON/STAND-BY button to turn the power on. (Except for U.K.) (For U.K.) AC power lead x 1 Remote control x 1 AM loop aerial x 1 (Except for U.K.) "AAA" size battery (UM-4,...

  • Page 8: Disassembly

    XL-3500H DISASSEMBLY Caution on Disassembly (B1) x1 Follow the below-mentioned notes when disassembling Top Cabinet ø3 x10mm the unit and reassembling it, to keep it safe and ensure excellent performance: 1. Take compact disc out of the unit. (A1) x2 ø3 x10mm...
  • Page 9 XL-3500H (E1) x2 ø3 x10mm (G2) x2 (G3) x2 Terminal PWB ø3 x10mm Rear Panel (E2) x1 (F1) x1 ø3 x6mm (F2) x1 (G1) x5 ø3 x8mm (H2) x1 (H1) x1 (H3) x4 (D1) x1 ø2.5 x10mm ø3 x10mm (K1) x2 CD PWB ø2.5 x10mm...

  • Page 10: Removing And Reinstalling The Main Parts

    XL-3500H REMOVING AND REINSTALLING THE MAIN PARTS How to remove the CD lid (See Fig. 10-1.) Perform steps 1 to 13 of the disassembly method to remove the gear box.(See page 8,9) 1. Remove the screws (A1) x 2 pcs., to remove the CD lid Hook motor.

  • Page 11: Adjustment

    XL-3500H ADJUSTMENT TUNER SECTION fL: Low-range frequency fH: High-range frequency • AM IF/RF • FM Mute Level Signal generator: 400 Hz, 30%, AM modulated Signal generator: 1 kHz, 40 kHz dev., FM modulated Frequency Frequency Display Setting/ Adjusting Instrument Frequency...

  • Page 12: Test Mode

    XL-3500H TEST MODE The test mode applied to this microcomputer has three modes, namely the ordinary test mode for adjustment or measurement, the aging test mode, and the self-diagnosis test mode for self-judgment in case of final product inspection. 1. Turning on the test mode For obtaining each test mode, press the ON/STAND-BY button, while keeping pressing the following two buttons in the ordinary stand-by mode (power off ).
  • Page 13 XL-3500H 2. Step 2 Mode Press the "CD PLAY" button in this mode to transmit the laser lighting command LDON (8400) and turn on the laser. Any other operations are not performed in this case. Press the following buttons in this state to obtain the operations specified below.
  • Page 14 XL-3500H 5. Step 5 Mode When the CD initialization operation flow is completed, the mute is turned off, and playback is started. Even if playback reaches the outermost periphery of disc, the operation does not stop. The LCD display indicates the playback passage time as in case of ordinary CD playback.
  • Page 15 XL-3500H 7. Step 7 Mode Press "MEMORY" key during step 6 operation to display automatically adjusted values on LCD in the order as below. Item names are displayed by left alignment, and adjusted values by right alignment in hexadecimal numbers. Operations other than display are as same as those for step 5.
  • Page 16 XL-3500H 3. Tuner Test Mode (TEST 2) 1. Outline of tuner (radio) test mode The tuner test mode is intended to store the adjustment and measurement frequencies in the preset memory CH. When adjusting the tuner section in the production line, adjusting personnel are not required to set frequency.
  • Page 17 XL-3500H 4. Electronic volume Test Mode (TEST 3) When this test mode is obtained, the following display lights for one second. In this mode, volume is -14 dB (STEP28), BASS/TREBLE is set to 0 (0 dB) and SURROUND mode to OFF, and start-up function to CD, respectively.
  • Page 18 XL-3500H 7. Button input diagnosis Test Mode (TEST 6) When the test mode is obtained, the following is displayed. This test mode is intended to check whether all the main unit buttons can be detected. Accordingly, in this test mode, it is checked whether the "ON/STAND-BY"...

  • Page 19: Notes On Schematic Diagram

    XL-3500H 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 20: Waveforms Of Cd Circuit

    XL-3500H WAVEFORMS OF CD CIRCUIT NO DISC FOCUS SEARCH STOP PLAY TMAX IC801 33pin IC801 16pin SBOK IC803 26pin IC801 8pin IC801 41pin IC803 25pin FOCUS SEARCH TOC IL STOP PLAY IC801 38pin IC801 31pin IC801 29pin IC801 34pin IC801 31pin...

  • Page 21: Block Diagram

    XL-3500H TUNER PWB LOW PASS SWITCHING FILTER AM Band Tracking fL L354 Q351 FM MUTE T302 LEVEL X351 IC521 456kHz VD301 LC72723M SVC348S 15 14 VR351 T306 AM Band Coverage fL Q521 FE301 FM FRONT END BALUN FM IF FM IF...
  • Page 22 XL-3500H FROM FROM TUNER PWB DISPLAY PWB CNP704 CNP301 10 9 8 7 6 5 4 3 2 1 14 13 12 CD PWB R-CH SO401 ZD801 VIDEO/AUX Q808 INPUT Q809 L-CH Q810 ZD802 VOLTAGE REGULATOR 7.3V M701 3.3V Q802...
  • Page 23 XL-3500H FROM DISPLAY PWB CNP702 MAIN PWB R-CH OUT R-CH IN IC201 KIA4558P Q203 Q201 SURROUND CONTROL L-CH OUT L-CH IN R-CH OUT AUX R TUN R CD R LOGIC CD L TUN L IC401 AUX L LC75342M L-CH OUT...

  • Page 24: Schematic Diagram

    XL-3500H FM Mute Level T302 L354 C329 0.022 VR351 Tracking L353 C360 D301 0.022 1N4148 C335 D302 AM OSC 560P 1N4148 L341 2.3V R323 T306 AM Band Coverage 2.1V 2.1V FE301 T351 FM FRONT END AM IF 8 7 6 5...
  • Page 25 XL-3500H R529 AM SIGNAL C527 R528 FM SIGNAL C526 16 15 14 13 12 11 10 (CH) IC521 LC72723M L354 C525 4.7V R361 (0V) 2.5V 5.6K C537 C522 (CH) C524 0.022 330P 560P R362 5.6K C372 1/50 2.3V R366 L521 2.2K...
  • Page 26 XL-3500H CD PWB-A3 CD PICK-UP UNIT (308) HPC-3LX C801 0.022 C802 A_3.3V A3.3V 47/16 C807 100/10 R802 C812 100/10 R803 C806 R804 0.022 3.3V R805 C817 R806 1.6V 1.6V R818 (CH) VREF R801 1.1V C818 1.6V R821 2.3V 8.2K C815 1.6V...
  • Page 27 XL-3500H CD SIGNAL CD_STB R848 CD_RES R849 R870 BUCK R841 BUS3 R842 BUS2 R843 BUS1 R844 BUS0 PU_IN GVSW CNP704 A3.3V C817 R818 R855 (CH) C818 C835 R821 C824 DOUT (CH) 8.2K R833 R829 5.6K C819 C825 RFGO 100/10 47/10...
  • Page 28 XL-3500H DISPLAY PWB-A2 LCD701 FL DISPLAY SW727 SW720 CLEAR VOLUME UP R716 SW719 R706 VOLUME DOWN 1.5K SW726 R717 SW718 MEMORY/ 5.6K CD PLAY/PAUSE/ TUNING UP R707 R718 SW713 1.2K 3.9K CD STOP/ 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84...
  • Page 29 XL-3500H IC804 TA7291S CD LID MOTOR DRIVER C840 LCD701 FL DISPLAY R825 2.2K TO SHIELD SHEEET (242) Q806 KRC102 M R824 Q807 KRC102 M Q804 KTA1266 GR CNP705 CNW705 M801(246-6) CD LID OPEN/CLOSE SWITCH PWB-A5 R867 150K 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76...
  • Page 30 XL-3500H FROM TUNER PWB-B1 DISPLAY CNS301 CNW7 P25 11-D,E P29 1 CNP301 14 13 12 MAIN PWB-A1 FM SIGNAL TERMINAL PWB-A4 DOUT CD SIGNAL CNW804 J801 L804 CD DIGITAL OUT 0.82µH C866 0.0047 CHASSIS R406 R-CH R402 L402 CNP401 L401 SO401 2.2µH...
  • Page 31 XL-3500H FROM DISPLAY PWB-A2 CNW702 P29 11-F CNP702 R202 C204 C212 8.2K 1/50 0.0033 C214 C202 4.7/50 0.0056 R214 R218 CNP707 R216 C216 1/50 Q201 R208 2SK2541 R207 C208 IC201 100/16 KIA4558P R210 D201 SURROUND 1N4148 R217 CHASSIS R215 CONTROL...

  • Page 32: Wiring Side Of P.w.board

    XL-3500H CD PWB-A3 TO MAIN TO MAIN PWB-A1 PWB-A1 CNP808 CNP805 P35 10-G P34 6-F R807 R835 D803 R809 D804 C816 IC803 C805 L853 C808 6 5 4 3 2 1 C826 R855 C871 M702 C830 SLED MOTOR C846 CNP703A...
  • Page 33 XL-3500H D PWB-A3 C802 C801 CNP801 CD PICKUP UNIT (308) C812 R807 R835 L805 R804 L801 C815 R809 R801 C816 R803 CNW801 Q801 C805 R806 R802 IC802 C826 C818 R817 1 3 5 7 9 11 13 15 R818 2 4 6 8 10 12 14 16...
  • Page 34 XL-3500H J801 SO401 CD DIGITAL OUTPUT VIDEO/AUX INPUT RIGHT LEFT TERMINAL PWB-A4 CHASSIS MAIN PWB-A1 HEADP C413 C866 CHASSIS L804 RLY101 C865 R408 L401 CNW804 CNW401 D104 C864 R131 Q107 R125 L402 SO301 R126 TO CD ANTENNA PWB-A3 D891 CORE...
  • Page 35 XL-3500H SO651 AC POWER INPUT SOCKET AC 230V,50Hz SO601 SPEAKER TERMINAL RIGHT LEFT JK101 PWB-A1 HEADPHONES JACK RLY101 LF651 C124 C123 C141 R125 R126 LINE FILTER L102 R135 D891 L101 R891 D892 R136 R892 RLY601 R122 R121 D101 C133 Q104...

  • Page 36: Troubleshooting

    XL-3500H TROUBLESHOOTING When the CD does not function When the CD section does not operate when the objective lens of the optical pickup is dirty, this section may not operate. 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 37 XL-3500H Make sure that the disc is normal, and set the CD TEST MODE (STEP 1). Is the measured voltage as specified in circuit diagram? Check the main unit power supply circuit. Is "Er-CD01" displayed"? Move the pickup to most internal circumference side of disc.
  • Page 38 XL-3500H • Laser failure. Is +7.2V applied to the pin 1 of CNW805 ? Check the PWB pattern between emitter of Q605 and CNP805/ CNW805. Check the peripheral parts of ZD801,C820 and C821. Is +5V applied to the cathode side of ZD801 ?
  • Page 39 XL-3500H • Focus servo sawtooth wave failure. IC801 is faulty. Is sawtooh wave output to the pin 33 (FOO) of IC801 ? 1.5~2.5sec Check the PWB pattern between pin emitter of Q605 and IC803. Is +7.0V applied to the pins 21 and 22 (VCC) of IC803 ?
  • Page 40 XL-3500H • HF error. Is output (tracking error signal) obtained at the pins 31 (TEI) Optical pickup failure. Is output obtained at the pins 3 and and 32 (TEZI) of IC801 the CD TEST MODE "STEP 4" is 8 of CNP801/CNW801.
  • Page 41 XL-3500H • Track search failure Check as stated in item "SLED MOTOR OPERATION FAILURE". Does the sled motor run in FF/REW state when the SERVO TEST MODE "STEP1" is set? Is the following wave output to the pin 34 (TRO) of IC801 IC801 failure.

  • Page 42: Function Table Of Ic

    XL-3500H FUNCTION TABLE OF IC IC401 VHiLC75342M-1: Function/Volume Equalizer (LC75342M) Pin No. Port Name Function Serial data and clock input pin for control. Chip enable pin. Data written into an internal latch in a timing of [H] -> [L]. Each analog switch is activated.
  • Page 43 XL-3500H IC401 VHiLC75342M-1: Function/Volume Equalizer (LC75342M) TEST VSS CE CL VDD Vref LOUT ROUT LBASS2 RBASS2 LBASS1 RBASS1 LTRE RTRE RSEL0 LSEL0 14 15 16 17 Figure 43 BLOCK DIAGRAM OF IC – 43 –...

  • Page 44: Lcd Segment

    XL-3500H LCD701: RV-LX0015SJZZ LCD Display 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42...
  • Page 45 XL-3500H PARTS GUIDE COMPACT AUDIO SYSTEM XL-3500H MODEL XL-3500H Compact Audio System consisting of XL-3500H (main unit) and CP-XL3500H (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 46 XL-3500H PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK INTEGRATED CIRCUITS ZD602 VHEDZ8R2BSC-1 AB Zener,8.2V,DZ8.2BSC ZD701 VHEDZ3R3BSB-1 AB Zener,3.3V,DZ3.3BSB ZD801 VHEDZ5R1BSB-1 AC Zener,5.1V,DZ5.1BSB IC101 VHISTK40203-1 AX Power Amp.,STK40203 ZD802 VHEDZ3R9BSB-1 AC Zener,3.9V,DZ3.9BSB IC201 VHIKIA4558P-1 AC Surround Control ,KIA4558P...
  • Page 47 XL-3500H PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK AA 0.001 µF,50V AB 0.047 µF,50V,Thin Film C302 VCKYCY1HB102K C665 VCFYFA1HA473J AB 0.022 µF,25V AB 0.047 µF,50V,Thin Film C329 VCKYCY1EF223Z C681 VCFYFA1HA473J AG 2200 µF,16V,Electrolytic C330 VCCCPA1HH8R0D J AA 8 pF (CH),50V...
  • Page 48 XL-3500H PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK RESISTORS R391,392 VRD-ST2EE391J AA 390 ohms,1/4W R393 VRS-CY1JB102J AA 1 kohm,1/16W R395 VRD-ST2CD473J AA 47 kohms,1/6W VRS-CY1JB000J AA 0 ohm,Jumper,0.8×1.55mm,Green R401,402 VRS-CY1JB102J AA 1 kohm,1/16W R7A0,A1 VRS-CY1JB102J AA 1 kohm,1/16W...
  • Page 49 XL-3500H PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK R809 VRD-ST2EE100J AA 10 ohm,1/4W CNS301 QCNCW010PAWZZ J AE Socket,14Pin R810 VRS-CY1JB222J AA 2.2 kohms,1/16W CNW102 QCNWN0447SJZZ J Connector Ass’y,2Pin R811 VRD-ST2EE4R7J AA 4.7 ohms,1/4W CNW103 QCNWN0446SJZZ J Connector Ass’y,2Pin...
  • Page 50 XL-3500H PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK CABINET PARTS GWAKP1019SJ01 AS Net Flame Ass’y 903- 1 ———— — Net Flame (Not Replacement Item) GCABA1077SJSA AQ Top Cabinet 903- 2 PGUMM0004SJSA J AG Net Catcher GCABB1082SJSA AN Bottom Cabinet [For U.K.]...
  • Page 51 XL-3500H 308-3 308-1 308-2 702x2 M701 307x2 M702 306x2 SW702 PWB-C Figure 6 CD MECHANISM EXPLODED VIEW – 6 –...
  • Page 52 XL-3500H 617x4 614x3 M802 T651 616x2    y y z | 601x2 IC101 Q605 Q603 Q602 619x2 613x3 601x4 PWB-A4 PWB-A1 243x6 PWB-A8 PWB-B1 615x2 246-1 246-4 246-3 609x4 606x2 CNW909 246-5 246-2 246-6 (M801) PWB-A5 CD MECHANISM...
  • Page 53 XL-3500H Tweeter SP603 (L-CH) SP604 (R-CH) 904-1 Capacitor Black Black 910x2 903-2x2 904-3 903-1 904-2 Woofer SP601 (L-CH) SP602 (R-CH) 910x2 903-2x2 903-3 908x2 SP603 SP604 SP601 SP602 909x4 902x2 Tweeter SP603 (L-CH) SP604 (R-CH) Capacitor 2.2µF,50V Woofer SP601 (L-CH)

  • Page 54: Packing Method (For U.k. Only)

    XL-3500H PACKING METHOD (FOR U.K. ONLY) 1. AC Power Supply Cord QACCB0003SJ00 12. Pad, Accessories SPAKZ0063SJZZ 2. AM Loop Antenna QANTL0001SJZZ 13. Polyethylene Bag, Unit SPAKZ0064SJZZ 3. FM Antenna QANTW0002SJZZ 14. Polyethylene Bag, Accessories SSAKA0009SJZZ 4. Speaker Wire QCNWH0005SJ01 15. Register Card TCADN0003SJZZ 5.
  • Page 55 XL-3500H –MEMO–...
  • Page 56 XL-3500H © 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 from or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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