Sharp XL-3700 Service Manual
Sharp XL-3700 Manual
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- Sharp XL-3700 | Service Manual - Page 1
XL-3600 XL-3700/C SERVICE MANUAL No. S6247XL3600// COMPACT AUDIO SYSTEM MODEL XL-3600 XL-3600 Compact Audio System consisting of XL-3600 (main unit) and CP-XL3600U (speaker system). MODEL XL-3700 XL-3700 Compact Audio System consisting of XL-3700 (main unit) and CP-XL3700U (speaker system). MODEL XL - Sharp XL-3700 | Service Manual - Page 2
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. - Sharp XL-3700 | Service Manual - Page 3
XL-3600 XL-3700/C FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS s General Power source Power 20 - 20,000 Hz 90 dB (1 kHz) s Amplifier XL-3600/XL-3700 Output power Output terminals Input terminals 20 watts minimum RMS per - Sharp XL-3700 | Service Manual - Page 4
XL-3600 XL-3700/C 8 1 9 10 2 5 3 6 7 4 1 23 4 6 7 NAMES OF PARTS s Front panel 11 1. CD Compartment 2. CD Open/Close Button 3. Power Button 12 4. Function Selector Button 5. Bass/Treble Selector Button 6. - Sharp XL-3700 | Service Manual - Page 5
. Bass Up and Down Buttons 27. Treble Up and Down Buttons Buttons with " " mark in the illustration can be operated on the remote control only. XL-3600 XL-3700/C - 5 - - Sharp XL-3700 | Service Manual - Page 6
XL-3600 XL-3700/C DISASSEMBLY Caution on Disassembly Follow the below-mentioned notes when nylon bands or wire holders where they need to be removed when disassembling the unit. After servicing the unit, be sure to rearrange the leads where they were before disassembling. 4. Take sufficient - Sharp XL-3700 | Service Manual - Page 7
ø3 x10mm Terminal PWB Rear Panel (F1) x1 ø3 x6mm (D1) x1 ø3 x10mm Tuner PWB (D2) x1 (H1) x1 CD PWB (J1) x4 ø2.5 x10mm Holder PWB XL-3600 XL-3700/C (H2) x1 (H3) x4 ø2.5 x10mm (K1) x2 ø2.5 x10mm Holder, Indicator Panel,CD LED PWB Chassis Figure 7-1 Gear Box Pull Pull , Gear Box Hook (N1 - Sharp XL-3700 | Service Manual - Page 8
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 - Sharp XL-3700 | Service Manual - Page 9
TUNER SECTION ADJUSTMENT XL-3600 XL-3700/C fL: Low-range frequency fH: High-range frequency • AM IF/RF Signal generator: 400 Hz, 30%, AM modulated • FM Mute Level Signal generator: 1 kHz, - Sharp XL-3700 | Service Manual - Page 10
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 - Sharp XL-3700 | Service Manual - 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 - Sharp XL-3700 | Service Manual - 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 - Sharp XL-3700 | Service Manual - 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 - Sharp XL-3700 | Service Manual - 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 - Sharp XL-3700 | Service Manual - Page 15
4. Electronic volume Test Mode (TEST 3) When this test mode is obtained, the following display lights for one second. XL-3600 XL-3700/C 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 - Sharp XL-3700 | Service Manual - 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 - Sharp XL-3700 | Service Manual - Page 17
NOTES ON SCHEMATIC DIAGRAM XL-3600 XL-3700/C • Resistor: To differentiate the units of resistors, such symbol as K and M are used: the symbol K means 1000 ohm and the symbol M means 1000 kohm - Sharp XL-3700 | Service Manual - Page 18
XL-3600 XL-3700/C WAVEFORMS OF CD CIRCUIT NO DISC FOCUS SEARCH 1 FOO IC801 33pin FMO 3 IC801 40pin CUE 1 6 TEI 1 IC801 31pin 2 11 TRO 2 IC801 34pin 3 15 FMO 3 IC801 40pin REVIEW 1 6 TEI 1 IC801 31pin 2 11 TRO 2 IC801 34pin 3 15 FMO 3 IC801 40pin TCD-782 TNO-02 - Sharp XL-3700 | Service Manual - Page 19
13 12 IF REQ IF IN MO/ST FM VDD MUTE FM IN FM AM IN DO PD AIN CL DI CE 1 3456 7 8 9 10 11 XL-3600 XL-3700/C TUNER PWB SD FM ST DO CL DI CE A_12V TUN_L TUN_R D_GND A_GND TO MAIN PWB 11 10 9 8 7 6 5 4 3 2 1 CNS301 IC302 LC72131 PLL(TUNER - Sharp XL-3700 | Service Manual - Page 20
XL-3600 XL-3700/C CD PWB FROM DISPLAY PWB 10 9 8 7 6 5 4 3 2 1 CNP704 CD_STB CD_RES CCE BUCK BUS3 BUS2 BUS1 BUS0 PU_IN GVSW FROM TUNER PWB CNP301 11 10 9 8 7 6 5 4 3 2 +B4 - Sharp XL-3700 | Service Manual - Page 21
XL-3600 XL-3700/C D_GND A_12V TUN L A_GND TUN R CE DI CL DO FM ST SD D_GND P_MUTE CD +B SURROUND M PWB 5 4 3 2 1 +B4 CNP803 CD_L 1 2 CD_R 3 A_GND UP UNIT L - Sharp XL-3700 | Service Manual - Page 22
SD OUT 7 8 5V STEREO R353 FM DET 270 2.9V MPX VCO C367 1/50 R350 2.7K X351 2 3V456kHz C366 0.001 D301 1N4148 D302 1N4148 B C329 0.022 A XL-3600 XL-3700/C - Sharp XL-3700 | Service Manual - Page 23
SIGNAL FM SIGNAL SD 11 FM ST 10 DO 9 CL 8 DI 7 CE 6 D_GND 5 A_12V 4 TUN_L 3 A_GND 2 TUN_R 1 CNS301 11 TO CNP301 MAIN PWB-A1 P28 5-A XL-3600 XL-3700/C 12 - Sharp XL-3700 | Service Manual - Page 24
C823 C822 0.1 100/10 XL-3600 XL-3700/C A CD PWB-A3 CD PICK-UP UNIT (308) B HPC-3LX LD VCC MON C2A C3A GND +5V +B C801 0.022 C802 47/16 A3.3V - Sharp XL-3700 | Service Manual - Page 25
XL-3600 XL-3700/C P27 11-D CNW804 TERMINAL PWB-A4 CNW704 DISPLAY PWB-A2 FROM FROM P28 2-B TO CNP803 MAIN PWB-A1 P29 8-G +B R819 33K R820 10K R818 - Sharp XL-3700 | Service Manual - Page 26
XL-3600 XL-3700/C DISPLAY PWB-A2 A +B +B LCD701 FL DISPLAY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 B SW727 SW720 CLEAR VOLUME UP R706 1. - Sharp XL-3700 | Service Manual - Page 27
XL-3600 XL-3700/C +B LCD701 FL DISPLAY 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 - Sharp XL-3700 | Service Manual - Page 28
XL-3600 XL-3700/C A MAIN PWB-A1 FROM TUNER PWB-B1 CNS301 P23 11-D,E 11 10 9 8 7 6 5 4 3 2 1 CNP301 FRO DISPLAY CNW7 P27 1 1234 56 7 SD FM ST DO CL - Sharp XL-3700 | Service Manual - Page 29
FROM DISPLAY PWB-A2 CNW702 P27 11-F XL-3600 XL-3700/C CE DI CL DO FM ST SD D_GND P_MUTE CD +B SURROUND CNW707 P27 11-G FROM DISPLAY PWB-A2 C213 4.7/50 R213 12K R203 100K - Sharp XL-3700 | Service Manual - Page 30
R812 XL-3600 XL-3700/C A TO MAIN PWB-A1 CNP805 P32 6-F GY GY GY GY GY WH - B 654321 654321 CNP703A M702 SLED MOTOR C SW702 PICKUP IN + M701 D SPINDLE MOTOR - Sharp XL-3700 | Service Manual - Page 31
DISPLAY PWB-A2 13 12 11 10 9 8 7 6 5 4 3 2 1 GY GY GY GY GY GY GY GY GY GY GY GY BK BR GY BK RD CNW705 XL-3600 XL-3700/C 1 16 10 CNW801 8 1 16 9 1 6 7 CD PICKUP UNIT (308) 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 SW802 CD LID R867 2 CNP706 1 R866 5 12 SWITCH PWB - Sharp XL-3700 | Service Manual - Page 32
XL-3600 XL-3700/C A B TO CD PWB-A3 CNP804 P31 8-C C D303 D304 C349 C302 C301 1 2 RD BK 3 4 WH CHASSIS GND J801 CD DIGITAL OUTPUT SUB WOOFER OUT CHASSIS - Sharp XL-3700 | Service Manual - Page 33
XL-3600 XL-3700/C PWB-A1 RLY101 JK101 HEADPHONES JACK RIGHT SO601 SPEAKER TERMINAL LEFT C124 C141 C123 SO651 AC POWER INPUT SOCKET AC 120V,60Hz C119 C122 - Sharp XL-3700 | Service Manual - Page 34
XL-3600 XL-3700/C TROUBLESHOOTING the following items. Remove the cabinet and follow the troubleshooting instructions. "Track skipping and/or no TOC (Table Of lens during use, and it may degrade performance. To avoid this problem, use a cleaning disc designed for CD optical pickup lenses. HOW TO - Sharp XL-3700 | Service Manual - Page 35
Make sure that the disc is normal, and set the CD TEST MODE (STEP 1). XL-3600 XL-3700/C Is the measured voltage as specified in circuit diagram? Yes Check the main unit power supply circuit. No Is "Er-CD01" displayed"? No Yes - Sharp XL-3700 | Service Manual - Page 36
XL-3600 XL-3700/C • Laser failure. Is +7.2V applied to the pin 1 of CNW805 ? Yes Is +5V applied to the cathode side of ZD801 ? Yes Check the PWB - Sharp XL-3700 | Service Manual - Page 37
• Focus servo sawtooth wave failure. Is sawtooh wave output to the pin 33 (FOO) of IC801 ? Yes 1.5~2.5sec IC801 is faulty. No XL-3600 XL-3700/C Is +7.0V applied to the pins 21 and 22 (VCC) of IC803 ? Yes Check the PWB pattern between pin emitter of Q605 and IC803. - Sharp XL-3700 | Service Manual - Page 38
XL-3600 XL-3700/C • HF error. Is output (tracking error signal) obtained at the pins 31 (TEI) and 32 (TEZI) of IC801 the CD TEST MODE "STEP 4" is - Sharp XL-3700 | Service Manual - Page 39
• Track search failure XL-3600 XL-3700/C Does the sled motor run in FF/REW state when the SERVO Check as stated in item "SLED MOTOR OPERATION FAILURE". TEST MODE "STEP1" - Sharp XL-3700 | Service Manual - Page 40
XL-3600 XL-3700/C FUNCTION TABLE OF IC IC401 VHiLC75342M-1: Function/Volume Equalizer (LC75342M) Pin No. Port Name Function 1 DI Serial data and clock input pin for control. 2 - Sharp XL-3700 | Service Manual - Page 41
IC401 VHiLC75342M-1: Function/Volume Equalizer (LC75342M) TEST VSS CE DI CL VDD Vref NC 4 3 2 1 30 29 28 27 XL-3600 XL-3700/C LOUT 5 26 ROUT LBASS2 6 LBASS1 7 25 RBASS2 24 RBASS1 LVref CCB INTERFACE RVref CONTROL CIRCUIT LOGIC CIRCUIT CONTROL CIRCUIT LTRE 8 LIN 9 LSEL0 10 23 - Sharp XL-3700 | Service Manual - Page 42
XL-3600 XL-3700/C LCD701: RV-LX0015SJZZ LCD Display z1 z4 z2 r z3 q 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 - Sharp XL-3700 | Service Manual - Page 43
PARTS GUIDE XL-3600 XL-3700/C COMPACT AUDIO SYSTEM MODEL XL-3600 XL-3600 Compact Audio System consisting of XL-3600 (main unit) and CP-XL3600U (speaker system). MODEL XL-3700 XL-3700 Compact Audio System consisting of XL-3700 (main unit) and CP-XL3700U (speaker system). MODEL XL-3700C XL-3700C - Sharp XL-3700 | Service Manual - Page 44
XL-3600 XL-3700/C NO. PART CODE PRICE RANK DESCRIPTION NO. PARTS CODE PRICE RANK DESCRIPTION INTEGRATED CIRCUITS IC101 IC201 IC302 IC303 IC401 IC681 IC701 IC801 IC802 IC803 - Sharp XL-3700 | Service Manual - Page 45
VCKYCY1EF223Z J AB 0.022 µF,25V VCKYPA1HF103Z J AB 0.01 µF,50V VCKYCY1EB103K J AA 0.01 µF,25V RC-GZA335AF1H J AB 3.3 µF,50V,Electrolytic VCKYCY1EB103K J AA 0.01 µF,25V XL-3600 XL-3700/C NO. PARTS CODE PRICE RANK DESCRIPTION C713 C714 C715 C801 C802 C803 C804 C805 C806 C807,808 C809 C810,811 - Sharp XL-3700 | Service Manual - Page 46
XL-3600 XL-3700/C NO. PART CODE PRICE RANK DESCRIPTION R106 R107,108 R109,110 R111,112 R113,114 R115,116 1 R117,118 R119,120 R121~124 R125, - Sharp XL-3700 | Service Manual - Page 47
J QSW-F9001AWZZ J AC Rail Guide AC Gear,Middle AC Gear,Drive AD Shaft,Guide AF Cover,Mechanism AD Cushion (Green XL-3700/C] 205 GFTAT1012SJSB J AG CD Lid [XL-3600] 206 GFTAT1013SJSA J AG Slide Door [XL-3700/C] 206 GFTAT1013SJSB J AG Slide Door [XL-3600] 208 HBDGA1002SJSB J AD Badge,SHARP - Sharp XL-3700 | Service Manual - Page 48
SHARP [XL-3700/C] Badge,SHARP [XL-3600] AQ Front Panel Ass'y [XL-3700/C] Front Panel Ass'y [XL-3600] - Front Panel (Not Replacement Item) AK Ring,Tweeter [XL-3700/C] Ring,Tweeter [XL-3600 Operation Manual [XL-3600/3700] TINSK0032SJZZ J Operation Manual [XL-3700C] TINSZ0139SJZZ J Quick Guide - Sharp XL-3700 | Service Manual - Page 49
XL-3600 XL-3700/C A 308-3 B 308 308-1 308-2 305 703 C 704 D 304 703 701 303 302 301 E 702x2 M701 F G 306x2 SW702 M702 307x2 H PWB-C 1 2 3 4 5 6 Figure 6 CD MECHANISM EXPLODED VIEW - 6 - - Sharp XL-3700 | Service Manual - Page 50
XL-3600 XL-3700/C 617x4 A 612 209 614x3 214 T651 M802 247 222 211 239 B 213 208 210 C 618 |zyy,, ,yz|,y,y| 240 604 613 PWB 205 IC101 616x2 - Sharp XL-3700 | Service Manual - Page 51
XL-3600 XL-3700/C A 904 904-1 B 903 903-2x2 903-1 910x2 C 904-2 904-3 D 903-3 910x2 903-2x2 908x2 E SP603, SP604 SP601, SP602 909x4 F Tweeter SP603 (L-CH) SP604 (R-CH) - Sharp XL-3700 | Service Manual - Page 52
Quick Guide Operation Manual Polyethylene Bag,Accessories SSAKA0009SJZZ Packing Add.,Speaker Top/Bottom SPAKA0112SJZZ Label,UL Caution TLABS0043SJZZ Label,Energy Star TLABZ0038SJZZ Polyethylene Bag,Unit SPAKZ0064SJZZ Label,Serial No. TLABN0229SJZZ [XL-3600] TLABN0189SJZZ [XL-3700
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XL-3600
XL-3700/C
CONTENTS
Page
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
PACKING OF THE SET (FOR U.S.A. ONLY)
SERVICE MANUAL
SHARP
CORPORATION
No. S6247XL3600//
• 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 Compact Audio System consisting of XL-3600
(main unit) and CP-XL3600U (speaker system).
COMPACT AUDIO SYSTEM
MODEL
XL-3600
XL-3700 Compact Audio System consisting of XL-3700
(main unit) and CP-XL3700U (speaker system).
MODEL
XL-3700
XL-3700C Compact Audio System consisting of XL-3700C
(main unit) and CP-XL3700U (speaker system).
MODEL
XL-3700C