Sharp XL-HP737 Service Manual
Sharp XL-HP737 Manual
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- Sharp XL-HP737 | Service Manual - Page 1
XL-HP737 SERVICE MANUAL No. S3410XLHP737U MICRO COMPONENT SYSTEM MODEL XL-HP737 XL-HP737 Micro Component System consisting of XLHP737 (main unit) and CP-HP737 (speaker system). • In the interests of user-safety the set should be restored to its original condition and only parts identical to those - Sharp XL-HP737 | Service Manual - Page 2
XL-HP737 AXSMECeLuaHrdH-vrHkiAioPcePe7tP73M3T77aEnuRal1. GENERAL DESCRIPTION FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. [1] IMPORTANT SERVICE NOTES (FOR U.S.A. ONLY) BEFORE RETURNING THE AUDIO PRODUCT (Fire & Shock Hazard) Before returning the - Sharp XL-HP737 | Service Manual - Page 3
[3] NAMES OF PARTS 1 2 3 4 5 6 7 8 9 21 23 22 24 XL-HP737 10 11 12 13 14 15 16 17 18 19 20 25 26 27 I Front panel 1. Disc Trays 2. Timer Indicator 3. Power On/Stand-by Button 4. - Sharp XL-HP737 | Service Manual - Page 4
XL-HP737 1 2 3 4 5 6 7 8 13 9 14 10 15 11 16 17 23 18 19 20 21 22 24 25 26 27 28 29 12 I Remote control 1. Remote Control Transmitter 2. - Sharp XL-HP737 | Service Manual - Page 5
AXSMECeLuaHrdH-vrHkiAioPcePe7tP73M3T77aEnuRal2. ADJUSTMENTS XL-HP737 [1] ADJUSTMENT 1. MECHANISM SECTION • Driving Force Check Torque Meter Play: TW-2111 Specified Value Over 80 g • Torque Check Torque Meter Play: TW-2111 Fast forward: TW- - Sharp XL-HP737 | Service Manual - Page 6
XL-HP737 2) Tracking balance adjustment 3) Gain adjustment (The gain is compensated inside the IC so that the loop gain at the gain crossover frequency will be 0 dB.) * - Sharp XL-HP737 | Service Manual - Page 7
then, press the CD button to enter the test mode. CD T EST OPEN/CLOSE operation is using manual. IL isn't done IL isn't done >,>buttons make pick's slide possible. IL isn't sec: a) "FOF_XXXX" b) "TOF_XXXX" c) "TBAL_XX" d) "TGAN_XX" f) "FGAN_XX" g) "RFLS_XX" -------- XL-HP737 2 - 3 - Sharp XL-HP737 | Service Manual - Page 8
XL-HP737 A key input. Laser ON. key input. Tracking OFF play at that specific point. key input. Tracking ON play from that specific point. - Sharp XL-HP737 | Service Manual - Page 9
[3] Standard Specification of Stereo System Error Message Display Contents XL-HP737 CD TUNER Error Contents DISPLAY Pickup Mechanism Error. 'ER-CD01' CD Changer Mechanism Error. 'ER-CD**' (*) CD DSP Communication Error. Focus Not Match/IL Time - Sharp XL-HP737 | Service Manual - Page 10
XL-HP737 AXSMECeLuaHrdH-vrHkiAioPcePe7tP73M3T77aEnuRal3. MECHANICAL DESCRIPTION [1] REMOVING AND REINSTALLING THE MAIN PARTS 1. TAPE MECHANISM SECTION Perform steps 1 to 9 of the disassembly method to remove the tape mechanism.( - Sharp XL-HP737 | Service Manual - Page 11
purpose, we exclude the top plate for easy viewing. (Figure 5,6) CD Disc Disc Tray Guide Tray CD Disc CD At 'PLAY' position. Stop Washer (A3) x1 Optical Pickup CD Mechanism (A1) x2 ø2.6 x5mm XL-HP737 Shaft Gear (A2) x1 (A4) x1 Figure 1 Reduction gear C Front Rear Figure 2 Reduction gear - Sharp XL-HP737 | Service Manual - Page 12
XL-HP737 [2] DISASSEMBLY Caution on Disassembly Follow the below-mentioned notes when disassembling 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-HP737 | Service Manual - Page 13
Main PWB (G1) x1 (G2) x2 ø3x6mm (G2) x2 (H1) x4 ø4x6mm CD Mechanism CD Changer Unit XL-HP737 (P2) x4 ø2.6x10mm Power PWB (J1) x1 ø3x6mm Terminal PWB Figure 4 Display PWB (K1) x1 Front Panel (K3) x1 (K2) x8 ø2.6x8mm Tape Mechanism Headphones - Sharp XL-HP737 | Service Manual - Page 14
XL-HP737 AXSMECeLuaHrdH-vrHkiAioPcePe7tP73M3T77aEnuRal4. DIAGRAMS [1] BLOCK DIAGRAM FM ANTENNA TERMINAL SO302 B.P.F BF301 IC301 TA7358AP FM FRONT END 1 34 6 9 57 8 FM RF L312 T301 FM OSC +B5 FM - Sharp XL-HP737 | Service Manual - Page 15
XL-HP737 . IF Q603 Q604 A_+10V LD_+8V 5V) 5V) 5V) Q851 +B10 SYSTEM MUTE VL+ VLñ GND VF1 +B10 LED701 +B5 Q711 LED708 12 FL701 - Sharp XL-HP737 | Service Manual - Page 16
XL-HP737 TO MAIN SECTION TO DISPLAY SECTION CNP2 1 2 3 4 5 6 7 8 CNP5 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 R-CH AGND L-CH DGND +5V D_GND +8V +5V CD_RES WRQ - Sharp XL-HP737 | Service Manual - Page 17
XL-HP737 IC6 SI3033LUS VOLTAGE REGULATOR 1 3 2 IC4 VHIL8316V35-1: (Serial No.40100012~40103011) VHILV1625635T: (Serial No.40203012~) D-RAM MDATA0 2 21 35 40 1 VCC 6 VCC 20 VCC MDATA3 5 MDATA4 7 - Sharp XL-HP737 | Service Manual - Page 18
XL-HP737 AXSMECeLuaHrdH-vrHkiAioPcePe7tP73M3T77aEnuRal5. CIRCUIT DESCRIPTION [1] WAVEFORMS OF CD CIRCUIT 1 IC1 21 Stopped CH1=500 mV DC 10:1 T FDO 1 CH3=500 mV DC 10:1 500 ms/div ( - Sharp XL-HP737 | Service Manual - Page 19
[2] VOLTAGE XL-HP737 IC1 PIN NO. VOLTAGE 1 3.26 V 2 1.63V 3 1.63 V 4 2.04 V 5 2.04 V 6 0.00 V 7 1.69 V 8 1.69 V 9 1.69 V 10 1.69 V 11 1.54 V 12 1.55 V 13 1.69 V 14 1.69 V 15 1.69 V - Sharp XL-HP737 | Service Manual - Page 20
XL-HP737 -MEMO- 5 - 3 - Sharp XL-HP737 | Service Manual - Page 21
AXSMECeLuaHrdH-vrHkiAioPcePe7tP73M3T77aEnuRal6. CIRCUIT SCHEMATICS AND PARTS LAYOUT [1] NOTES ON SCHEMATIC DIAGRAM XL-HP737 • 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 and - Sharp XL-HP737 | Service Manual - Page 22
XL-HP737 [3] WIRING SIDE OF P.W.BOARD/SCHEMATIC DIAGRAM MAIN PWB-A1(1/2) FM SIGNAL R601 1K CD SIGNAL R602 1K A AUX SIGNAL IC601 C652 220P C651 220P PLAYBACK - Sharp XL-HP737 | Service Manual - Page 23
XL-HP737 IC601 C75341 C653 PROCESSOR 220P CLK 24 CB RFACE -+ -+ VDD 23 VREF 22 ROUT 21 C601 220/16 +B C603 22/16 C608 0.12 C602 0.022 - Sharp XL-HP737 | Service Manual - Page 24
XL-HP737 + IC901 VL+ VH+ GND VHVL- - - STK412-490 A + POWER AMP. 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 FM SIGNAL +B R916 0.22 (3W) R913 0.22 ( - Sharp XL-HP737 | Service Manual - Page 25
XL-HP737 R934 56K SIGNAL R L902 3µH L L L901 3µH R937 56K R935 56K LG2(231) CHASIS GND VH11 22 3 3 VL- 4 4 GND 5 5 VL+ 6 6 VH+ 77 88 0 99 1 10 10 CNS801 - Sharp XL-HP737 | Service Manual - Page 26
XL-HP737 C363 0 022 R379 A B C D AM LOOP ANTANNA 22 11 E SO302 FM ANTANNA TERMIANL F CHASSIS GND G CNP301 FM SIGNAL AM SIGNAL D301 DS1SS133 C323 0.022 D302 DS1SS133 - Sharp XL-HP737 | Service Manual - Page 27
ZD351 DZ5.1BSB 270 (1/4W) R391 Q360 270 (1/4W) KTA1504 GR R383 5.6K +B C388 0.001 58 K 24 23 22 21 20 19 18 TUNER PWB-C XL-HP737 - Sharp XL-HP737 | Service Manual - Page 28
XL-HP737 DISPLAY PWB-B1 A B C D E +B R756 150 R574 150 LED707 SDPB50CD Q710 KRC102 S 2 3 LED PWB-B3 1 Q711 KRA102 S 1 LED708 BI707 1 11 2 3 A304BC2H 2 R573 150 22 R772 150 - Sharp XL-HP737 | Service Manual - Page 29
XL-HP737 +B G5 G5 G4 G4 G3 G3 G2 G2 G1 G1 F1 F1 10 9 8 54 21 R795 1.5 C700 1/50 C701 220/10 0 +B 1 D R700 1K T2 S 3 R701 - Sharp XL-HP737 | Service Manual - Page 30
XL-HP737 CD/MP3 PWB-D C32 100P(CH) R47 1K C31 0.022 R46 1K C30 100P(CH) R45 1K C73 100P(CH) R44 1K A CD SIGNAL C28 - Sharp XL-HP737 | Service Manual - Page 31
XL-HP737 C63 1/50 C66 0.01 MDATA0 MDATA1 MDATA2 MDATA3 MDATA4 MDATA5 MDATA6 MDATA7 +B 0.001 R17 4.7K R37 390 R36 390 R35 390 R34 390 R33 390 - Sharp XL-HP737 | Service Manual - Page 32
XL-HP737 R132 C128 A COLOR TABLE BR BROWN MAIN PWB-A1 FROM TUNER PWB 6-21 8 - E CNS303 RD(R) RED R606 OR ORANGE R06 C610 C603 C608 C614 C606 - Sharp XL-HP737 | Service Manual - Page 33
XL-HP737 CNP2 TO CD/MP3 PWB 6-17 11 - G R904 R906 C902 R853 ZD805 ZD804 C865 C859 C855 C864 CNS102 GR YL WH PK 1 2 3 4 5 WH 6 TO TAPE - Sharp XL-HP737 | Service Manual - Page 34
XL-HP737 A SW728 OPEN/ CROSE SWITCH PWB-B2 B RD25 SW727 DISC 5 SW726 DISC 4 RD24 RD23 SW725 DISC 3 1 FFC706 6 SW724 C DISC 2 C721 RD22 RD21 RX701 REMOTE SENSOR 2 123 - Sharp XL-HP737 | Service Manual - Page 35
XL-HP737 LED PWB-B3 1 6 R573 1 2 BI707 LED708 12 CNS707 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 - Sharp XL-HP737 | Service Manual - Page 36
XL-HP737 A B WAVEFORM NUMBERS 9 6 21 10 11 12 21 41 20 40 35 30 25 45 15 4 50 IC1 10 55 5 65 70 75 60 15 61 - Sharp XL-HP737 | Service Manual - Page 37
XL-HP737 CNP4 FFC1 16 6-18 6 - B TO CD PICKUP UNIT 1 FFC4 1 CNB1 6-18 4 - E TO CHANGER PWB 11 CNW3 6-18 5 - D FROM CD MOTOR PWB C2 C18 R27 C3 - Sharp XL-HP737 | Service Manual - Page 38
XL-HP737 A B C D E F G H 1 CNP3A 1 2 3 4 5 6 SW1A PICKUP IN M2A SLED MOTOR CD MOTOR PWB-E 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 1 16 FFC1 M2 MAIN CAM MOTOR - + M1A SPINDLE - Sharp XL-HP737 | Service Manual - Page 39
TO DISPLAY PWB 6-14 4 - G CNP702 FFC702 1 7 TAPE MECHANISM Ass'y(213) 6 FFC1 1 7 SOLENOID TAPE MECHANISM PWB Ass'y(213-3) RD BK TAPE MOTOR (213-2) XL-HP737 E 3 PWB ABLE OWN RED ANGE LLOW REEN LUE OLET RAY HITE LACK INK RECORD/PLAYBACK/ERASE HEAD HEAD PLATE BLOCK(213-1) 6 1 CNS102 - Sharp XL-HP737 | Service Manual - Page 40
XL-HP737 A POWER PWB-A2 D846 RL841 RELAY PT841 POWER TRANSFORMER (SUB) 7 65 C844 34 98 BK 12 B WH F805 4A 125V R890 C 1 2 3 4 5 6 7 AC POWER SUPPLY CORD - Sharp XL-HP737 | Service Manual - Page 41
XL-HP737 AM LOOP ANNTENNA CNP301 21 SO302 FM ANNTENNA FM GND TERMINAL 75 OHMS TUNER PWB-C CHASSIS GND D302 D301 CNP303 6-12 6 - C TO MAIN PWB C331 - Sharp XL-HP737 | Service Manual - Page 42
XL-HP737 AXSMECeLuaHrdH-vrHkiAioPcePe7tP73M3T77aEnuRal7. FLOWCHART [1] TROUBLESHOOTING 1. When the CD does not above step is taken, check the following items. Remove the cabinet and follow the trouble shooting instructions. "Track skipping and/or no TOC (Table Of Contents) may be caused by build - Sharp XL-HP737 | Service Manual - Page 43
CD Eject Button without inserting a disc, and try starting the playback operation. Stopped CH1=500 mV DC 10:1 T FDO 1 CH3=500 mV DC 10:1 XL-HP737 500 ms/div (500 ms/div) NORM:20 kS/s TDO 3 =Filter= Smoothing : ON BW : FULL =Offset= CH1 : 0.000 V CH2 : 0.0 V CH3 : 0.000 V CH4 : 0.00 V CH1 - Sharp XL-HP737 | Service Manual - Page 44
XL-HP737 (2) Focus-HF system check. Check the TE waveform at pin 17 on IC1. If the waveform shown in Figure 4 appears and soon after NO DISC - Sharp XL-HP737 | Service Manual - Page 45
(4) PLL system check. When a disc is loaded, start play operation. Stopped CH1=500 mV DC 10:1 PDO1 3 XL-HP737 CH3=1 V DC 10:1 1999/04/05 17:33:17 CH4=1 V 500 ms/div DC 10:1 (500 ms/div) NORM:20 kS/s The HF waveform is - Sharp XL-HP737 | Service Manual - Page 46
XL-HP737 AXSMECeLuaHrdH-vrHkiAioPcePe7tP73M3T77aEnuRal8. OTHERS [1] FUNCTION TABLE OF IC IC1 VHiLC78648E-1: CD Digital Signal Processor (LC78648E) (1/2) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12* 13 14 15 16 17 18 - Sharp XL-HP737 | Service Manual - Page 47
XL-HP737 IC1 VHiLC78648E-1: CD Digital Signal Processor (LC78648E) (2/2) Pin No. 44 45 46 47 48 Terminal Name RCHO RVDD XVSS XOUT XIN Input/Output Output - - Output - Sharp XL-HP737 | Service Manual - Page 48
XL-HP737 IC1 VHiLC78648E-1: CD Digital Signal Processor(LC78648E) VVDD VVSS PCKIST PD02 PD01 CONT4 CONT5 MONI3 MONI4 MONI5 CONT6/SBCK C2F/SBCK DRF *RES *WRQ DO - Sharp XL-HP737 | Service Manual - Page 49
outside. * Set power system GND to the minimum potential together with SGND * Short-circuit three pins of power system SVSS and PVCC1 externally before use. XL-HP737 8 - 4 - Sharp XL-HP737 | Service Manual - Page 50
+ - + - + - + + - + + - XL-HP737 IC2 VHILA6261//-1: Focus/Tracking/Spin/Sled Driver (LA6261) 1 CH3 2 3 4 5 CH2 6 7 8 9 CH1 Pre Drive Pre Drive + - 36 CH4 35 + - 34 33 32 CH5 31 30 29 - Sharp XL-HP737 | Service Manual - Page 51
IC3 VHiLC78683E-1: MP3 Decoder (LC78683E) (1/2) XL-HP737 Pin No. 1 2 3 4 5 6 Terminal Name LRSY ADDATA ADBCK ADLRCK C2FIN TEST1 7 CKIN 8 VSS 9 CKOUT 10 TEST2 11 DVDD1 12 PW 13 SBSY 14 SFSY 15* SBCK - Sharp XL-HP737 | Service Manual - Page 52
XL-HP737 IC3 VHiLC78683E-1: MP3 Decoder (LC78683E) (2/2) Pin No. 51 52 53 54 55 56 57 58 59 60 61 62 63* 1 µs. 6) A 16.9344 MHz clock signal must be supplied to the CKIN pin by the CD DSP. The LC786484E does not support the implementation of an oscillator circuit using an oscillator element. 8 - 7 - Sharp XL-HP737 | Service Manual - Page 53
CASLB 42 WEB 41 RASB 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 XL-HP737 DVDD2 VSS MDATA0 MDATA1 MDATA2 MDATA3 MDATA4 MDATA5 MDATA6 MDATA7 DVDD3 VSS MDATA8 MDATA9 MDATA10 MDATA11 MDATA12 MDATA13 MDATA14 MDATA15 WEB OEB CASLB CASUB RASB - Sharp XL-HP737 | Service Manual - Page 54
XL-HP737 IC4 VHiL8316V35-1 D-RAM (L8316V35) (Serial No.40100012 ~ 40103011) IC4 VHiLV1625635T D-RAM (LV1625635T) (Serial No.40203012 ~) Terminal Name A0-A8 I/O0-15 WE OE RAS Function - Sharp XL-HP737 | Service Manual - Page 55
filter comprising capacitor and resistor connection pin. Volume + equaliser output pin. Input selector output pin. Input signal pin. IC601 VHiLC75341/-1: Audio Processor (LC75341) XL-HP737 Pin No. 13-16 17 18 19 20 21 22 23 24 Terminal Name R1-4 RSEL0 RIN RTRE RBASS ROUT VREF VDD CLK Function - Sharp XL-HP737 | Service Manual - Page 56
XL-HP737 IC701 RH-iXA003AWZZ: System Microcomputer (IXA003AW) (Serial No.40100012 ~ 40103011) (1/2) IC701 RH-iXA021AWZZ: System Microcomputer (IXA021AW) (Serial No.40203012~) (1/2) Pin No. 1 2 3 4 5* 6 7 8 9* 10 11 12 13 - Sharp XL-HP737 | Service Manual - Page 57
-35V FL segment driver. FL grid driver. In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside. XL-HP737 8 - 12 - Sharp XL-HP737 | Service Manual - Page 58
XL-HP737 IC701 RH-iXA003AWZZ: System Microcomputer (IXA003AW) (Serial No.40100012 ~ 40103011) IC701 RH-iXA021AWZZ: System Microcomputer (IXA021AW) (Serial No.40203012 ~) S8 S7 S6 S5 S4 S3 - Sharp XL-HP737 | Service Manual - Page 59
of 800mA. 8.5V power supply with a minimum peak out current of 700mA. Peak Current Protection, Thermal Protection, Load Short Protection. Outputs XL-HP737 + - Prc Drive + - Prc Drive + - Prc Drive + - Prc Drive 5 MODE1 SW Reference Voltage 23 REG3 VCC 13V 4 GND 1 REG4 5.1V 7 REG1 - Sharp XL-HP737 | Service Manual - Page 60
XL-HP737 [2] FL DISPLAY FL701 VVKNA12MM44-1 GRID ASSIGNMENT 1a 1a 1a 1a 1a 1a 1a 1a 1a 1a 2a 2a 2a 2a 2a 2a 2a col2 Dot2 - Sharp XL-HP737 | Service Manual - Page 61
PARTS GUIDE XL-HP737 MICRO COMPONENT SYSTEM MODEL XL-HP737 XL-HP737 Micro Component System consisting of XL-HP737 (main unit) and CP-HP737 (speaker system). "HOW TO ORDER REPLACEMENT PARTS" To have your order filled promptly and correctly, please furnish the following information. 1. MODEL - Sharp XL-HP737 | Service Manual - Page 62
XL-HP737 NO. PART CODE PRICE RANK DESCRIPTION NO. PARTS CODE PRICE RANK DESCRIPTION INTEGRATED CIRCUITS IC1 IC2 IC3 IC4 IC4 IC5 IC6 IC101 IC301 IC302 IC303 - Sharp XL-HP737 | Service Manual - Page 63
C310 C311 C312 C313 C315 C316 C317 C318 C320 C323 C324 C330 C331 C332 C334 C335 XL-HP737 PART CODE PRICE RANK DESCRIPTION VCKYCY1CB563K J VCKYCY1CB103K J VCKYCY1CB473K J VCKYCY1CF224Z J VCKYCY1CB104K J VCKYCY1CB103K J VCKYCY1CB104K J VCEAZA1AW107M J VCCCCY1HH330J J VCEAZA1AW107M J VCKYCY1CB103K - Sharp XL-HP737 | Service Manual - Page 64
XL-HP737 NO. PART CODE PRICE RANK DESCRIPTION C861 C864,865 C874 C901,902 C903,904 C905,906 C907 C908 C909 C910 C911,912 C913 C914,915 - Sharp XL-HP737 | Service Manual - Page 65
XL-HP737 NO. R388 R391,392 R393 R395 R562~565 R566 R573,574 R601~603 R604,605 R606,607 R608,609 R610,611 R612,613 R614,615 - Sharp XL-HP737 | Service Manual - Page 66
XL-HP737 NO. PART CODE PRICE RANK DESCRIPTION CNP706A CNP706B CNP707 CNP708 CNP801 CNP802 CNP902 CNP971 WZ1070AFZZ J 92LMTR5515CASY J 92LMTR1854BASY J QSW-F9001AW01 J AC Gear,Middle AC Gear,Drive AD Shaft,Guide AD Cushion BB Pickup Unit Ass'y -- Pickup Unit (Not Replacement Item) AC Gear,Rack - Sharp XL-HP737 | Service Manual - Page 67
XL-HP737 AH Panel,Cassette Cover AF Holder,Cassette AD Badge,SHARP AB Window,Cassette AD Panel,FL Display AD Indicator, Battery Lid,Remote Control AF Operation Manual AD Quick Guide P.W.B. ASSEMBLY (Not Replacement Item) Motor (PWB Only) OTHER SERVICE PARTS UDSKA0004AFZZ J AZ CD Optical Pickup Lens Cleaner - Sharp XL-HP737 | Service Manual - Page 68
XL-HP737 306-2 A 306 306-1 B 306-3 701 704 701 304 C 302 301 D E M1A F 305x2 G 703x2 SW4 307 308 M2A H PWB-D 1 2 3 4 5 6 Figure 7 CD MECHANISM EXPLODED VIEW - 7 - - Sharp XL-HP737 | Service Manual - Page 69
XL-HP737 A B 102x5 C D E F G H 122 101x2 107 101x3 115 109-3 116 109 109-2 123 803x4 109-5 109-4 803x2 109-1 114 108 135 104 106 CD MECHANISM 112 UNIT - Sharp XL-HP737 | Service Manual - Page 70
XL-HP737 CD CHANGER MECHANISM UNIT A 614x5 204 610 205x5 B CAUTION : RING SPRING ASSY.INTO FAN POSITION. OK RING GAP NG RING GAP 614x2 218 610 FAN - Sharp XL-HP737 | Service Manual - Page 71
A 903 908x2 B 904x2 C TWEETER SP3(L-CH) SP4(R-CH) XL-HP737 C1,2 BK Capacitor YL BK RED BK WOOFER SP1(L-CH) SP2(R-CH) 901 906 D 908x2 904x2 902 907x2 SP3, SP4 E 907x4 F SP1, SP2 905x4 TWEETER - Sharp XL-HP737 | Service Manual - Page 72
XL-HP737 PACKING METHOD (FOR U.S.A. ONLY) Setting position of switches and knobs Tape Mechanism AM Loop SPAKZA013AWZZ Antenna B FM Antenna Remote Control Polyethylene Bag,Accessories 92LBAG1460C1 Operation Manual Quick Guide B A Packing Case SPAKCA017AWZZ : Not Replacement Item - 11 - - Sharp XL-HP737 | Service Manual - Page 73
- M E M O - XL-HP737 - 12 - - Sharp XL-HP737 | Service Manual - Page 74
XL-HP737 - M E M O - - 13 - - Sharp XL-HP737 | Service Manual - Page 75
- M E M O - XL-HP737 - 14 - - Sharp XL-HP737 | Service Manual - Page 76
XL-HP737 COPYRIGHT © 2004 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication , photocopying, recording, or otherwise, without prior written permission of the publisher. SHARP CORPORATION AV Systems Group Audio Systems Division Higashihiroshima, Hiroshima 739-0192, Japan Printed
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SERVICE MANUAL
XL-HP737
No. S3410XLHP737U
MICRO COMPONENT SYSTEM
XL-HP737
MODEL
SHARP CORPORATION
CONTENTS
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CHAPTER 1. GENERAL DESCRIPTION
[1]
IMPORTANT SERVICE NOTES (FOR
U.S.A. ONLY)
................................................
1-1
[2]
SPECIFICATIONS
........................................
1-1
[3]
NAMES OF PARTS
.......................................
1-2
CHAPTER 2. ADJUSTMENTS
[1]
ADJUSTMENT
..............................................
2-1
[2]
TEST MODE
.................................................
2-3
[3]
Standard Specification of Stereo System
Error Message Display Contents
..................
2-5
CHAPTER 3. MECHANICAL DESCRIPTION
[1]
REMOVING AND REINSTALLING THE
MAIN PARTS
................................................
3-1
[2]
DISASSEMBLY
.............................................
3-3
CHAPTER 4. DIAGRAMS
[1]
BLOCK DIAGRAM
........................................
4-1
CHAPTER 5. CIRCUIT DESCRIPTION
[1]
WAVEFORMS OF CD CIRCUIT
...................
5-1
[2]
VOLTAGE
......................................................
5-2
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS
LAYOUT
[1]
NOTES ON SCHEMATIC DIAGRAM
............
6-1
[2]
TYPES OF TRANSISTOR AND LED
............
6-1
[3]
WIRING SIDE OF P.W.BOARD/SCHE-
MATIC DIAGRAM
..........................................
6-2
CHAPTER 7. FLOWCHART
[1]
TROUBLESHOOTING
..................................
7-1
CHAPTER 8. OTHERS
[1]
FUNCTION TABLE OF IC
.............................
8-1
[2]
FL DISPLAY
................................................
8-15
Parts Guide
XL-HP737 Micro Component System consisting of XL-
HP737 (main unit) and CP-HP737 (speaker system).
•
In the interests of user-safety the set should be restored to its origi-
nal condition and only parts identical to those specified be used.