Sharp XL 1700 - Executive Microsystem Service Manual
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Sharp XL 1700 - Executive Microsystem Service Manual

Sharp XL 1700 - Executive Microsystem Service Manual

Compact audio system
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IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) ..................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................ 2
NAMES OF PARTS .......................................................................................................................................................... 3
OPERATION MANUAL ..................................................................................................................................................... 5
DISASSEMBLY ................................................................................................................................................................. 7
REMOVING AND REINSTALLING THE MAIN PARTS .................................................................................................... 9
ADJUSTMENT ................................................................................................................................................................ 10
TEST MODE ................................................................................................................................................................... 11
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 18
TYPES OF TRANSISTOR AND LED .............................................................................................................................. 18
BLOCK DIAGRAM .......................................................................................................................................................... 19
SCHEMATIC DIAGRAM ................................................................................................................................................. 22
WIRING SIDE OF P.W.BOARD ...................................................................................................................................... 30
WAVEFORMS OF CD CIRCUIT ..................................................................................................................................... 34
TROUBLESHOOTING .................................................................................................................................................... 35
FUNCTION TABLE OF IC .............................................................................................................................................. 41
LCD SEGMENT .............................................................................................................................................................. 43
PARTS GUIDE/EXPLODED VIEW
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
- 1 -
COMPACT AUDIO SYSTEM
MODEL
XL-1700 Compact Audio System consisting of XL-1700
(main unit) and CP-XL1700U (speaker system).
XL-1700C
MODEL
XL-1700C Compact Audio System consisting of XL-1700C (main
unit) and CP-XL1700U (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-1700/1700C
No. S4221XL1700//
XL-1700
Page

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  • Page 1: Table Of Contents

    LCD SEGMENT ................................43 PARTS GUIDE/EXPLODED VIEW PACKING OF THE SET (FOR U.S.A. ONLY) This document has been published to be used SHARP CORPORATION for after sales service only. – 1 – The contents are subject to change without notice.

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

    XL-1700/1700C 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: Names Of Parts

    XL-1700/1700C 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 4: Remote Control

    XL-1700/1700C 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 5: Operation Manual

    XL-1700/1700C 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 6: System Connections

    XL-1700/1700C Accessories Turn on your system Accesorios Conexión de la alimentación de su sistema Press the POWER button to turn the power on. Pulse el botón POWER para conectar la alimentación. AC power cord x1 Remote control x1 AM loop antenna x1 Cable de alimentación de CA x1 Controlador remoto x1 Antena de cuadro de AM x1...

  • Page 7: Disassembly

    XL-1700/1700C DISASSEMBLY Caution on Disassembly (B1) x1 Top Cabinet ø3 x10mm Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance: (A1) x2 1. Take compact disc out of the unit. ø3 x10mm 2.
  • Page 8 XL-1700/1700C (E1) x2 ø3 x10mm (E2) x1 (G2) x2 (G3) x2 Terminal PWB ø3 x10mm Rear Panel (F1) x1 (E2) x1 ø3 x6mm (G1) x5 ø3 x8mm (H2) x1 (H1) x1 (H3) x4 (D1) x1 ø2.5 x10mm ø3 x10mm (K1) x2 CD PWB ø2.5 x10mm Tuner PWB...

  • Page 9: Removing And Reinstalling The Main Parts

    XL-1700/1700C REMOVING AND REINSTALLING THE MAIN PARTS How to remove the CD lid (See Fig. 9-1.) Perform steps 1 to 13 of the disassembly method to remove the gear box.(See page 7,8) 1. Remove the screws (A1) x 2 pcs., to remove the CD lid Hook motor.

  • Page 10: Adjustment

    XL-1700/1700C 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 Display Instrument Parts...

  • Page 11: Test Mode

    XL-1700/1700C 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 POWER button, while keeping pressing the following two buttons in the ordinary stand- by mode (power off ).
  • Page 12 XL-1700/1700C 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. "POWER"...
  • Page 13 XL-1700/1700C 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 14 XL-1700/1700C 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 15 XL-1700/1700C 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. 2.
  • Page 16 XL-1700/1700C 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 17 XL-1700/1700C 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 18: Notes On Schematic Diagram

    XL-1700/1700C 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 19: Block Diagram

    XL-1700/1700C 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 BALUN L341 CF301 Q301 CF302 CF352...
  • Page 20 XL-1700/1700C FROM FROM TUNER PWB DISPLAY PWB CNP704 CNP301 10 9 8 7 6 5 4 3 2 1 CD PWB SO401 ZD801 SUB WOOFER Q808 Q809 R-CH Q810 VIDEO/AUX ZD802 INPUT VOLTAGE REGULATOR L-CH 7.3V 3.3V M701 Q802 SPINDLE MOTOR –...
  • Page 21 XL-1700/1700C 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 FUNCTION/VOLUME EQUALIZER A_12V...

  • Page 22: Schematic Diagram

    XL-1700/1700C 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 C341 L342 2.2 H 0.022...
  • Page 23 XL-1700/1700C 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 100 H FM ST D_GND C396 100/10 A_12V TUN_L A_GND R393 R391 TUN_R C395 0.022 R377 CNS301 5.6K R392 L351...
  • Page 24 XL-1700/1700C 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 R806 C817 1.6V 1.6V – R818 VREF R801 1.1V C818 1.6V R821 2.3V 8.2K –...
  • Page 25 XL-1700/1700C 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 R855 C818 C835 R821 C824 DOUT (CH) 8.2K R833 R829 5.6K C819 C825 100/10 47/10 TMAX 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 R832 VREF 150K...
  • Page 26 XL-1700/1700C 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 SW725 TUNING DOWN BASS/TREBLE...
  • Page 27 XL-1700/1700C IC804 TA7291S CD LID MOTOR DRIVER C840 LCD701 FL DISPLAY R825 2.2K TO SHIELD SHEET (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 CLID_SW R866 SEG25...
  • Page 28 XL-1700/1700C 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 0.82 H C866 0.0047 CHASSIS C138 CHASSIS 0.0047 CNP101 C137 R139 R140 0.47/50 WOOFER L106 R406...
  • Page 29 XL-1700/1700C 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 R215 Q203 KRC107 M R211...

  • Page 30: Wiring Side Of P.w.board

    XL-1700/1700C 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 CORE1 C805 L853 C808 6 5 4 3 2 1 C826 R855 C871 M702 C830 SLED MOTOR C846 CNP703A Q810 C852...
  • Page 31 XL-1700/1700C 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 R856 C830 R821...
  • Page 32 XL-1700/1700C J801 SO401 CD DIGITAL OUTPUT VIDEO/AUX INPUT WOOFER RIGHT LEFT TERMINAL PWB-A4 CHASSIS MAIN PWB-A1 HEADP C866 CHASSIS L804 C865 L401 C137 CNW804 CNW401 L106 C864 CNW101 SO301 TO CD ANTENNA PWB-A3 L402 TERMINAL CORE D101 FM 75 OHMS CNP804 D102 P31 8-C...
  • Page 33 XL-1700/1700C SO651 AC POWER INPUT SOCKET AC 230V,50Hz SO601 SPEAKER TERMINAL RIGHT LEFT JK101 PWB-A1 HEADPHONES JACK C124 C123 L102 L101 R138 D101 RLY601 D102 CNP101 R122 R121 C113 C112 R137 B C E Q103 CNP681 C111 R113 R114 R115 IC101 R111 R108...

  • Page 34: Waveforms Of Cd Circuit

    XL-1700/1700C 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 IC801 40pin STOP PLAY...

  • Page 35: Troubleshooting

    XL-1700/1700C 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 36 XL-1700/1700C 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. Check the pattern between pin 58 (PU_IN) of IC701 and Turn the power off and reset the CD TEST MODE (STEP 1).
  • Page 37 XL-1700/1700C • 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 ? Check the PWB pattern between cathode side of ZD801 and pin Is +5V applied to the pin 64 (VDD) of IC801 ? 64 of IC801.
  • Page 38 XL-1700/1700C • 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 ? Is +5V applied to the pin 7 Check the PWB pattern Is sawtooth wave obtained between pins 17 and 18 of IC803 ?
  • Page 39 XL-1700/1700C • 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. changed to "STEP 5"? Check the periphery of IC802.
  • Page 40 XL-1700/1700C • Track search failure Does the sled motor run in FF/REW state when the SERVO Check as stated in item "SLED MOTOR OPERATION FAILURE". TEST MODE "STEP1" is set? Is the following wave output to the pin 34 (TRO) of IC801 IC801 failure.

  • Page 41: Function Table Of Ic

    XL-1700/1700C 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. Data transfer enabled at [H] level.
  • Page 42 XL-1700/1700C 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 42 BLOCK DIAGRAM OF IC – 42 –...

  • Page 43: Lcd Segment

    XL-1700/1700C 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 PinNo com1 com2...
  • Page 44 XL-1700/1700C –MEMO– – 44 –...
  • Page 45 “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information. Contact your nearest SHARP Parts Distributor to order. 1. MODEL NUMBER 2. REF. No. 3. PART NO. 4. DESCRIPTION For location of SHARP Parts Distributor, Please call Toll-Free;...
  • Page 46 XL-1700/1700C PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK INTEGRATED CIRCUITS TRANSFORMERS IC101 VHILA4282//-1 AM Power Amp.,LA4282 T302 RCILA0007SJZZ AG AM Antenna IC201 VHIKIA4558P-1 AC Surround Control ,KIA4558P T306 RCILB0009SJZZ AG AM OSC. IC302 VHILC72131/-1 AP PLL (Tuner),LC72131 T351 RCILI0004SJZZ AF AM IF...
  • Page 47 XL-1700/1700C PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK C353,354 VCKYCY1EF223Z AB 0.022 F,25V C809 VCKYCY1EF223Z AB 0.022 F,25V C355 VCCSCY1HL220J AD 220 pF,50V C810,811 VCKYCY1CB104K AB 0.1 F,16V C356 VCKYCY1HB102K AA 0.001 F,50V C812 RC-GZA107AF1A AB 100 F,10V,Electrolytic C357 RC-GZA225AF1H AB 2.2 F,50V,Electrolytic...
  • Page 48 XL-1700/1700C PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK R201 VRS-CY1JB822J AA 8.2 kohms,1/16W R706 VRS-CY1JB152J AA 1.5 kohms,1/16W R202 VRD-ST2EE822J AA 8.2 kohms,1/4W R707,708 VRS-CY1JB122J AA 1.2 kohms,1/16W R203,204 VRS-CY1JB104J AA 100 kohm,1/16W R716 VRS-CY1JB103J AA 10 kohm,1/16W R205,206 VRS-CY1JB103J AA 10 kohm,1/16W...
  • Page 49 GFTAT1012SJSA AG CD Lid CNW701 QCNWN0381SJZZ J Connector Ass'y,7-7Pin GFTAT1013SJSA AG Slide Door CNW702 QCNWN0448SJZZ J Connector Ass'y,13-13Pin HBDGA1002SJSB AD Badge,SHARP CNW703 QCNWN0383SJZZ J Connector Ass'y,2-2Pin HDECA0001SJSA AT Cover Plate,CD Lid CNW704 QCNWN0384SJZZ J Connector Ass'y,10-10Pin HDECA0002SJSA AN Plate,Slide Door...
  • Page 50 903- 1 ———— — Net Flame (Not Replacement Item) 903- 2 PGUMM0003SJSA J AD Net Catcher 903- 3 HBDGA1002SJSA AF Badge,SHARP HPNLS1011SJ01 AQ Front Panel Ass’y 904- 1 ———— — Front Panel (Not Replacement Item) 904- 2 HDECQ0073SJSA AG Panel,Tweeter...
  • Page 51 XL-1700/1700C 308-3 308-1 308-2 702x2 M701 307x2 M702 306x2 SW702 PWB-C Figure 6 CD MECHANISM EXPLODED VIEW – 6 –...
  • Page 52 XL-1700/1700C 615x4 614x3 602x2    y y z | T651 601x2 IC101 Q605 Q603 614x2 Q602 613x3 601x4 PWB-A4 PWB-A1 243x4 PWB-A8 PWB-B1 615x2 246-1 246-4 246-3 CNW909 606x2 246-5 246-2 246-6 (M801) PWB-A5 CD MECHANISM 615x4 PWB-B2 LCD701 607x4 PWB-A6...
  • Page 53 XL-1700/1700C Tweeter SP603 (L-CH) SP604 (R-CH) Black 904-1 White Line 904-3 904-2 Black Woofer SP601 (L-CH) SP602 (R-CH) 903-1 904-4 SP603, 604 903-2 903-3 SP601,602 908x4 Tweeter 902x2 SP603 (L-CH) SP604 (R-CH) Woofer SP601 (L-CH) SP602 (R-CH) Figure 8 SPEAKER EXPLODED VIEW –...

  • Page 54: Packing Of The Set (For U.s.a. Only)

    XL-1700/1700C PACKING OF THE SET (FOR U.S.A. ONLY) Setting position of switches and knobs CD Lid CLOSE Remote Control AC Power Supply Cord Speaker Cord FM Antenna AM Loop Antenna Polyethylene Bag,Speaker SPAKZ0039SJZZ Quick Guide Operation Manual Polyethylene Bag,Accessories SSAKA0009SJZZ Packing Add.,Speaker Top/Bottom SPAKA0112SJZZ Pad,Accessories...
  • Page 55 XL-1700/1700C –MEMO–...
  • Page 56 XL-1700/1700C © 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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