Sharp XL-3600 Service Manual
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Sharp XL-3600 Service Manual

Sharp XL-3600 Service Manual

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IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) ..................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................ 3
NAMES OF PARTS .......................................................................................................................................................... 4
DISASSEMBLY ................................................................................................................................................................. 6
REMOVING AND REINSTALLING THE MAIN PARTS .................................................................................................... 8
ADJUSTMENT .................................................................................................................................................................. 9
TEST MODE ................................................................................................................................................................... 10
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 17
TYPES OF TRANSISTOR AND LED .............................................................................................................................. 17
WAVEFORMS OF CD CIRCUIT ..................................................................................................................................... 18
BLOCK DIAGRAM .......................................................................................................................................................... 19
SCHEMATIC DIAGRAM ................................................................................................................................................. 22
WIRING SIDE OF P.W.BOARD ...................................................................................................................................... 30
TROUBLESHOOTING .................................................................................................................................................... 34
FUNCTION TABLE OF IC .............................................................................................................................................. 40
LCD SEGMENT .............................................................................................................................................................. 42
PARTS GUIDE/EXPLODED VIEW
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
- 1 -
COMPACT AUDIO SYSTEM
MODEL
XL-3600 Compact Audio System consisting of XL-3600
(main unit) and CP-XL3600U (speaker system).
MODEL
XL-3700 Compact Audio System consisting of XL-3700
(main unit) and CP-XL3700U (speaker system).
XL-3700C
MODEL
XL-3700C Compact Audio System consisting of XL-3700C
(main unit) and CP-XL3700U (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-3600
XL-3700/C
No. S6247XL3600//
XL-3600
XL-3700
Page

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  • Page 1: Table Of Contents

    XL-3600 XL-3700/C SERVICE MANUAL No. S6247XL3600// COMPACT AUDIO SYSTEM XL-3600 MODEL XL-3600 Compact Audio System consisting of XL-3600 (main unit) and CP-XL3600U (speaker system). XL-3700 MODEL XL-3700 Compact Audio System consisting of XL-3700 (main unit) and CP-XL3700U (speaker system). XL-3700C...

  • Page 2: Important Service Notes (For U.s.a. Only)

    XL-3600 XL-3700/C FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) BEFORE RETURNING THE AUDIO PRODUCT (Fire & Shock Hazard) Before returning the audio product to the user, perform the following safety checks.

  • Page 3: Specifications

    XL-3600 XL-3700/C FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS CD player General Power source AC 120 V, 60 Hz Type Compact disc player Signal readout Non-contact, 3-beam semiconductor laser Power consump-...

  • Page 4: Names Of Parts

    XL-3600 XL-3700/C NAMES OF PARTS Front panel 1. CD Compartment 2. CD Open/Close Button 3. Power Button 4. Function Selector Button 5. Bass/Treble Selector Button 6. Memory/Set Button 7. Clear Button 8. CD Stop, Tuning Down Button 9. CD Track Up or Fast Forward, Tuner Preset Up Button 10.

  • Page 5: Remote Control

    XL-3600 XL-3700/C Remote control 1. Remote Control Transmitter 2. Power 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: Disassembly

    XL-3600 XL-3700/C 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 7 XL-3600 XL-3700/C (E1) x2 (E2) x1 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...

  • Page 8: Removing And Reinstalling The Main Parts

    XL-3600 XL-3700/C REMOVING AND REINSTALLING THE MAIN PARTS How to remove the CD lid (See Fig. 8-1.) Perform steps 1 to 13 of the disassembly method to remove the gear box.(See page 6,7) 1. Remove the screws (A1) x 2 pcs., to remove the CD lid Hook motor.

  • Page 9: Adjustment

    XL-3600 XL-3700/C 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...

  • Page 10: Test Mode

    XL-3600 XL-3700/C 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.
  • Page 11 XL-3600 XL-3700/C 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 12 XL-3600 XL-3700/C 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 13 XL-3600 XL-3700/C 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 14 XL-3600 XL-3700/C 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 15 XL-3600 XL-3700/C 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 16 XL-3600 XL-3700/C 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 "POWER"...

  • Page 17: Notes On Schematic Diagram

    XL-3600 XL-3700/C 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 18: Waveforms Of Cd Circuit

    XL-3600 XL-3700/C 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...

  • Page 19: Block Diagram

    XL-3600 XL-3700/C TUNER PWB SWITCHING AM Band Tracking fL Q351 FM MUTE T302 LEVEL X351 456kHz VD301 SVC348S 15 14 VR351 T306 AM Band Coverage fL FE301 FM FRONT END FM IF FM IF AM IF AM IF CF301 Q301...
  • Page 20 XL-3600 XL-3700/C FROM FROM TUNER PWB DISPLAY PWB CNP704 CNP301 10 9 8 7 6 5 4 3 2 1 CD PWB ZD801 SUB WOOFER Q808 Q809 R-CH SO401 Q810 VIDEO/AUX ZD802 INPUT VOLTAGE REGULATOR L-CH 7.3V 3.3V M701 Q802...
  • Page 21 XL-3600 XL-3700/C 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 22: Schematic Diagram

    XL-3600 XL-3700/C FM Mute Level T302 C329 0.022 VR351 Tracking L353 C360 D301 0.022 1N4148 C335 D302 AM OSC 560P 1N4148 2.3V R323 T306 AM Band Coverage 2.1V 2.1V FE301 T351 FM FRONT END AM IF 8 7 6 5...
  • Page 23 XL-3600 XL-3700/C AM SIGNAL FM SIGNAL 4.7V R361 (0V) 5.6K R362 5.6K C372 1/50 2.3V R366 2.2K C358 10 11 1/50 C357 2.2/50 L352 100µH FM ST D_GND C396 100/10 A_12V TUN_L A_GND R393 R391 TUN_R C395 0.022 R377 CNS301 5.6K...
  • Page 24 XL-3600 XL-3700/C 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 0.022 R804 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 25 XL-3600 XL-3700/C 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...
  • Page 26 XL-3600 XL-3700/C 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 27 XL-3600 XL-3700/C 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 M801(246-6) CNP705 CNW705 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 28 XL-3600 XL-3700/C FROM TUNER PWB-B1 DISPLAY CNS301 CNW7 P23 11-D,E P27 1 CNP301 MAIN PWB-A1 FM SIGNAL TERMINAL PWB-A4 DOUT CD SIGNAL CNW804 J801 L804 CD DIGITAL OUT 0.82µH C866 0.0047 CHASSIS CHASSIS C138 0.0047 CNP101 C137 R139 R140 0.47/50...
  • Page 29 XL-3600 XL-3700/C FROM DISPLAY PWB-A2 CNW702 P27 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 1N4148 SURROUND R217 CHASSIS CONTROL...

  • Page 30: Wiring Side Of P.w.board

    XL-3600 XL-3700/C CD PWB-A3 TO MAIN TO MAIN PWB-A1 PWB-A1 CNP808 CNP805 P33 10-G P32 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...
  • Page 31 XL-3600 XL-3700/C 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...
  • Page 32 XL-3600 XL-3700/C J801 SO401 CD DIGITAL OUTPUT VIDEO/AUX INPUT WOOFER RIGHT LEFT TERMINAL PWB-A4 CHASSIS MAIN PWB-A1 HEADP C413 C866 CHASSIS L804 RLY101 C865 R408 L401 C137 CNW804 CNW401 L106 D104 C864 CNW101 R131 Q107 R125 SO301 R126 TO CD...
  • Page 33 XL-3600 XL-3700/C SO651 AC POWER INPUT SOCKET AC 120V,60Hz SO601 SPEAKER TERMINAL RIGHT LEFT JK101 PWB-A1 HEADPHONES JACK RLY101 C124 C123 C141 R125 R126 L102 D891 L101 R138 R891 D892 R892 RLY601 CNP101 R122 R121 D101 Q104 Q103 C118 D102...

  • Page 34: Troubleshooting

    XL-3600 XL-3700/C 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 35 XL-3600 XL-3700/C 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 36 XL-3600 XL-3700/C • 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 37 XL-3600 XL-3700/C • 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 38 XL-3600 XL-3700/C • 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 39 XL-3600 XL-3700/C • 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 40: Function Table Of Ic

    XL-3600 XL-3700/C 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 41 XL-3600 XL-3700/C 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 41 BLOCK DIAGRAM OF IC – 41 –...

  • Page 42: Lcd Segment

    XL-3600 XL-3700/C 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 43: Model Xl

    XL-3600 XL-3700/C PARTS GUIDE COMPACT AUDIO SYSTEM XL-3600 MODEL XL-3600 Compact Audio System consisting of XL-3600 (main unit) and CP-XL3600U (speaker system). XL-3700 MODEL XL-3700 Compact Audio System consisting of XL-3700 (main unit) and CP-XL3700U (speaker system). XL-3700C MODEL XL-3700C Compact Audio System consisting of XL-3700C (main unit) and CP-XL3700U (speaker system).
  • Page 44 XL-3600 XL-3700/C PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK INTEGRATED CIRCUITS ZD701 VHEDZ3R3BSB-1 AB Zener,3.3V,DZ3.3BSB ZD801 VHEDZ5R1BSB-1 AC Zener,5.1V,DZ5.1BSB ZD802 VHEDZ3R9BSB-1 AC Zener,3.9V,DZ3.9BSB IC101 VHISTK40203-1 AX Power Amp.,STK40203 IC201 VHIKIA4558P-1 AC Surround Control ,KIA4558P FILTERS IC302 VHILC72131/-1...
  • Page 45 XL-3600 XL-3700/C PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK AB 10 µF,16V,Electrolytic C335 VCKYCY1HB561K AA 560 pF,50V C713 RC-EZD106AF1C AB 0.022 µF,50V C337 VCKYPA1HF223Z C714 VCKYCY1HB561K AA 560 pF,50V AB 0.022 µF,25V AB 100 µF,10V,Electrolytic C341 VCKYCY1EF223Z...
  • Page 46 XL-3600 XL-3700/C PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK R106 VRD-ST2EE682J AA 6.8 kohms,1/4W R603 VRD-ST2EE333J AA 33 kohms,1/4W R107,108 VRD-ST2CD393J AA 39 kohms,1/6W R604 VRD-ST2EE470J AA 47 ohms,1/4W R109,110 VRD-ST2EE102J AA 1 kohm,1/4W R605 VRD-ST2CD223J AA 22 kohms,1/6W...
  • Page 47 Connector Ass’y,3-4Pin GFTAT1013SJSB AG Slide Door [XL-3600] CNW805 QCNWN0393SJZZ J Connector Ass’y,5-5Pin HBDGA1002SJSB AD Badge,SHARP CNW808 QCNWN0445SJZZ J Connector Ass’y,2-2Pin HDECA0001SJSA AT Cover Plate,CD Lid [XL-3700/C] CNW881 QCNWN0398SJZZ J Connector Ass’y,2Pin HDECA0001SJSB AT Cover Plate,CD Lid [XL-3600] – 4 –...
  • Page 48 Net Frame Ass’y [XL-3600] HDECQ0094SJSA AH Clear Panel,CD Lid [XL-3700/C] 903- 1 ———— — Net Frame HDECQ0094SJSB AH Clear Panel,CD Lid [XL-3600] (Not Replacement Item) HDECQ0092SJSA LCD Window [XL-3600] 903- 2 PGUMM0004SJSA J AG Net Catcher HDECQ0096SJSA LCD Window [XL-3700/C]...
  • Page 49 XL-3600 XL-3700/C 308-3 308-1 308-2 702x2 M701 307x2 M702 306x2 SW702 PWB-C Figure 6 CD MECHANISM EXPLODED VIEW – 6 –...
  • Page 50 XL-3600 XL-3700/C 617x4 614x3 M802 T651    y y z | 616x2 Silicon grease 601x2 IC101 Q605 Q603 Q602 619x2 613x3 601x4 PWB-A4 PWB-A1 243x6 PWB-A8 PWB-B1 615x2 246-1 246-4 616x2 246-3 609x4 606x2 CNW909 246-5 246-2 246-6...
  • Page 51 XL-3600 XL-3700/C 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 52: Packing Of The Set (For U.s.a. Only)

    TLABR1262SJZZ [XL-3700] Packing Case SPAKC0246SJZZ [XL-3600] SPAKC0224SJZZ [XL-3700] : Not Replacement Item © COPYRIGHT 2002 BY SHARP CORPORATION SHARP CORPORATION ALL RIGHTS RESERVED. AV Systems Group Audio Systems Division No part of this publication may be reproduced, Higashihiroshima, Hiroshima 739-0192, Japan...

This manual is also suitable for:

Xl-3700Xl-3700c

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