Sharp XL-HP737E Service Manual
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Sharp XL-HP737E Service Manual

Sharp XL-HP737E Service Manual

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Illustration XL-HP737E
Illustration XL-HP737H
(XL-HP737H ONLY)
[1]
SAFETY PRECAUTION FOR SERVICE
MANUAL ....................................................... 1-1
[2]
ONLY)............................................................ 1-1
[3]
SPECIFICATIONS......................................... 1-2
[4]
NAMES OF PARTS ....................................... 1-3
[1]
ADJUSTMENT .............................................. 2-1
[2]
TEST MODE ................................................. 2-2
[3]
Error Message Display Contents................... 2-4
[1]
MAIN PARTS................................................. 3-1
[2]
DISASSEMBLY ............................................. 3-3
[1]
BLOCK DIAGRAM ........................................ 4-1
SHARP CORPORATION
SERVICE MANUAL
(XL-HP737H ONLY)
CONTENTS
No. S4418XLHP737H
MICRO COMPONENT SYSTEM
XL-HP737E
MODEL
XL-HP737E Micro Component System consisting of XL-
HP737E (main unit) and CP-HP737E (speaker system).
XL-HP737H
MODEL
XL-HP737H Micro Component System consisting of XL-
HP737H (main unit) and CP-HP737H (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.
• Note for users in U.K.
Recording and playback of any material may require consent which
SHARP is unable to give. Please refer particularly to the provisions
of Copyright Act 1956, the Dramatic and Musical Performers Pro-
tection Act 1956, the Performers Protection Acts 1963 and 1972
and to any subsequent statutory enactments and orders.
[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]
GRAM .................................................... . ........6-2
CHAPTER 7. FLOWCHART
[1]
TROUBLESHOOTING........................... . ........7-1
[1]
FUNCTION TABLE OF IC...................... . ........8-1
[2]
FL DISPLAY........................................... . ......8-15
[3]
(FOR U.K. ONLY) .................................. . ......8-16
Parts Guide
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
XL-HP737E/HP737H

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  • Page 1: Table Of Contents

    Illustration XL-HP737H • Note for users in U.K. Recording and playback of any material may require consent which SHARP is unable to give. Please refer particularly to the provisions of Copyright Act 1956, the Dramatic and Musical Performers Pro- (XL-HP737H ONLY)

  • Page 2: Chapter 1. General Description

    XL-HP737E/HP737H Audio XL-HP737E/HP737H Service Manual XLHP737H/E Market CHAPTER 1. GENERAL DESCRIPTION [1] SAFETY PRECAUTION FOR SERVICE MANUAL Precaution to be taken when replacing and servicing the Laser Pickup. The AEL (Accessible Emission Level) of Laser Power Output for this model is specified to be lower than Class 1 Requirements. However, the follow- ing precautions must be observed during servicing to protect your eyes against exposure to the Laser beam.

  • Page 3: Specifications

    XL-HP737E/HP737H FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. [3] SPECIFICATIONS XL-HP737E I General I Tuner Power source AC 230 V, 50 Hz Frequency range FM: 87.5 - 108.0 MHz Power 98 W...

  • Page 4: Names Of Parts

    22. Tuner (Band) Button 23. Tape Button 24. Video/Auxiliary Button 25. Tape Record Pause Button 26. Tuning Up Button 27. Tuning Down Button Illustration XL-HP737E I Display 4 5 6 1. Disc Number Indicators 2. MP3 Folder Indicator 3. MP3 Title Indicators 4.
  • Page 5 XL-HP737E/HP737H I Front panel 1. Disc Trays 2. Timer Indicator 3. On/Stand-by Button 4. Clock/Timer Button 5. Disc Track Down or Fast Reverse, Tape Fast Wind, Tuner Preset Down, Time Down Button 6. Tape Reverse Play Button 7. Tape Reverse Mode Select Button 8.
  • Page 6 XL-HP737E/HP737H I Rear panel 1. Cooling Fan 2. Speaker Terminals 3. AC Power Lead 4. FM 75 Ohms Aerial Socket 5. AM Loop Aerial Socket 6. Video/Auxiliary (Audio Signal) Input Sockets 7. Subwoofer Pre-output Socket I Speaker system 1. Tweeter 2.

  • Page 7: Chapter 2. Adjustments

    XL-HP737E/HP737H Audio XL-HP737E/HP737H Service Manual XLHP737H/E Market CHAPTER 2. ADJUSTMENTS • Tape Speed Test Tape Adjusting Specified Instrument [1] ADJUSTMENT Point Value Connection Normal MTT-111 Variable 3,000 ± 30 Hz Speaker Ter- 1. MECHANISM SECTION speed Resistor in minal (Load •...

  • Page 8: Test Mode

    XL-HP737E/HP737H [2] TEST MODE • Setting the test mode During stand-by mode, press ON/STAND-BY button while pressing down the button and X-BASS/DEMO button. then, press the CD button to enter the test mode. T E S T IL isn’t done OPEN/CLOSE operation is using manual.
  • Page 9 XL-HP737E/HP737H <<MEMORY>> key input. Laser ON. <<MEMORY>> key input. Tracking OFF play at that specific point. <<MEMORY>> key input. Tracking ON play from that specific point. <<MEMORY>> key input. Adjustment result automatically will display as below for each 2 sec: a) "FOF_XXXX"...

  • Page 10: Standard Specification Of Stereo System Error Message Display Contents

    XL-HP737E/HP737H [3] Standard Specification of Stereo System Error Message Display Contents Error Contents DISPLAY Notes Pickup Mechanism Error. 'ER-CD01' PU-IN SW Detection NG. CD Changer Mechanism Error. 'ER-CD**' (*) 10: CAM SW Detection NG during normal operation 11: CAM SW Detection NG during initialize process...

  • Page 11: Chapter 3. Mechanical Description Removing And Reinstalling The Main Parts

    XL-HP737E/HP737H Audio XL-HP737E/HP737H Service Manual XLHP737H/E Market CHAPTER 3. MECHANICAL DESCRIPTION [1] REMOVING AND REINSTALLING THE Clutch Ass'y MAIN PARTS Record/Playback 1. TAPE MECHANISM SECTION Head Perform steps 1 to 9 of the disassembly method to remove the tape mechanism.(see page 3-3,3-4) 1.1.
  • Page 12 XL-HP737E/HP737H 2. CD MECHANISM SECTION (A3) x2 Perform steps 1 to 4 and 11 to 12 of the disassembly method to ø2.6 x5mm Stop Washer remove the CD mechanism.(see page 3-3,3-4) (A1) x1 2.1. How to remove the Optical Pickup (See Fig. 1) Optical Pickup 1.

  • Page 13: Disassembly

    XL-HP737E/HP737H [2] DISASSEMBLY Cabinet Caution on Disassembly (A1) x1 Front Panel ø3x10mm Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance: 1) Take cassette tape and compact disc out of the unit.
  • Page 14 XL-HP737E/HP737H Main PWB (P2) x4 (G1) x1 (G2) x2 ø3x6mm ø2.6x10mm (G2) x2 CD Mechanism (H1) x4 ø4x6mm CD Changer Unit Power PWB (J1) x1 ø3x6mm Terminal PWB Figure 4 Figure 7 Display PWB (K3) x1 (K1) x1 (K2) x8 ø2.6x8mm...
  • Page 15 XL-HP737E/HP737H MEMO — — 3 – 5...

  • Page 16: Chapter 4. Diagrams Block Diagram

    XL-HP737E/HP737H Audio XL-HP737E/HP737H Service Manual XLHP737H/E Market CHAPTER 4. DIAGRAMS [1] BLOCK DIAGRAM CF351 10.7MHz ZD351 ANTENNA 5.1V TERMINAL FM IF SO301 CF352 CF301 Q301 CF302 X351 FE301 450kHz 456kHz FM FRONT END T351 AM IF IC303 LA1832S FM IF DET./ FM MPX./AM IF...
  • Page 17 XL-HP737E/HP737H FL701 FL DISPLAY 50 51 MOTOR/ SOLENOID DRIVER TAPE Q701,702 MECHANISM Q712~715 ASS'Y +B10 REMOTE SENSOR REMOCON RX701 +B10 AVDD +B10 VLOAD P_IN SW701-SW705 SW706-SW708 H Only SW709-SW728 SMUTE VOLUME +B10 TIME LED IC701 LED701 +B9(SW_+5V) TUN_SM/SPAN VOL_JOG VR701...
  • Page 18 XL-HP737E/HP737H TO DISPLAY SECTION TO MAIN SECTION CNP5 14 13 12 CNP2 68 67 66 65 64 63 62 51 53 59 69 LVDD MO_B-/CONT2 RVDD MO_B+/CONT3 LCHO RCHO M0_SPEED/CONT6 MOT_A+/CONT5 XOUT MOT_A-/CONT4 LC78648E 16.9344MHz CD DIGITAL SIGNAL PROCESSOR SLDO...
  • Page 19 XL-HP737E/HP737H LC32V4265B D-RAM MDATA0 MDATA3 MDATA0 MDATA4 MDATA7 MDATA7 SI3033LUS MDATA8 DWEB VOLTAGE DRASB REGULATOR MDATA15 ADRS0 RASB LC78684E ADRS3 MP3 DECORDER ADRS4 ADRSB ADRS8 ADRS7 D0EM MDATA8 DCASUB ADRS0 MDATA11 DCASLB MDATA12 MDATA15 43 44 45 68 61 51 31 21 11 77 73 66...

  • Page 20: Chapter 5. Circuit Description

    XL-HP737E/HP737H Audio XL-HP737E/HP737H Service Manual XLHP737H/E Market CHAPTER 5. CIRCUIT DESCRIPTION [1] WAVEFORMS OF CD CIRCUIT Stopped 1999/04/07 09:51:15 CH1=200 mV CH2=500 mV 500 ms/div DC 10:1 DC 10:1 (500 ms/div) NORM:20 kS/s Stopped CH1=500 mV CH3=500 mV 500 ms/div...

  • Page 21: Voltage

    XL-HP737E/HP737H [2] VOLTAGE ICT21 IC601 IC701 IC851 NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE 3.26 V 1.64 V 3.28 V 2.06 V 2.60 V 0.00 V 4.79 V 5.21 V 5.12 V...
  • Page 22 XL-HP737E/HP737H MEMO — — 5 – 3...

  • Page 23: Notes On Schematic Diagram

    XL-HP737E/HP737H Audio XL-HP737E/HP737H Service Manual XLHP737H/E Market CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT [1] NOTES ON SCHEMATIC DIAGRAM • Resistor: • The indicated voltage in each section is the one measured by Digi- tal Multimeter between such a section and the chassis with no sig- To differentiate the units of resistors, such symbol as K and M are nal given.

  • Page 24: Wiring Side Of Pwb/Schematic Diagram

    XL-HP737E/HP737H [3] WIRING SIDE OF PWB/SCHEMATIC DIAGRAM MAIN PWB-A1(1/2) FM SIGNAL R601 CD SIGNAL R602 AUX SIGNAL IC601 PLAYBACK SIGNAL LC75341 AUDIO PROCESSOR RECORD SIGNAL C609 R605 1/50 VREF INTERFACE – + R613 LOUT ROUT C607 R611 R607 R617 0.12 R619 2.2K...
  • Page 25 TUN_SM C624 RDS_RDCL 1/50 RDS_RDDA R644 D_GND RDS_READY RDS_RST R643 A_+10V R641 CNP303 TO DISPLAY PWB XL-HP737E: 6-13 11 - B XL-HP737H: 6-15 11 - B CNP701A H ONLY R136 RDS-RST 220K Q107 RDS-RDDA KTC3875 GR R139 RDS-RDCL RDS-READY 0.7V TUN_SM/SPAN UNSW5.6V...
  • Page 26 XL-HP737E/HP737H IC901 STK412-490 POWER AMP. FM SIGNAL R903 –B Q903 L902 KTC3875 GR 3µH R917 R912 (3W) (1/4W) ZD902 ZD903 C917 DZ12BSB DZ12BSB 0.01 R925 R919 R926 R910 4.7K 1.5K 1.5K (1/2W) (1/2W) Q902 KTC3875 GR Q901 KTC3875 GR R920...
  • Page 27 XL-HP737E/HP737H MAIN PWB-A1(2/2) XL-HP737E M971(202-3) D912 R949 FAN MOTOR R942 DS1SS133 CNP971 CNS971 (2W) R943 Q906 R950 (2W) C931 R945 KTC3203 Y 10/50 1.5K JACK PWB-B4 R944 L902 1.5K 3µH JK701 CNP708 FW901 HEADPHONES M_+13.0V SP_RLY D911 R_CH DS1SS133 L_CH...
  • Page 28 XL-HP737E/HP737H IC901 STK412-490 POWER AMP. FM SIGNAL R903 –B Q903 L902 KTC3875 GR 3µH R917 R912 (3W) (1/4W) ZD902 ZD903 C917 DZ12BSB DZ12BSB 0.01 R925 R919 R926 R910 4.7K 1.5K 1.5K (1/2W) (1/2W) Q902 KTC3875 GR Q901 KTC3875 GR R920...
  • Page 29 XL-HP737E/HP737H MAIN PWB-A1(2/2) XL-HP737H SIGNAL M971(202-3) D912 R949 FAN MOTOR R942 DS1SS133 CNP971 CNS971 (2W) R943 Q906 C931 R950 (2W) R945 KTC3203 Y 10/50 1.5K JACK PWB-B4 R944 L902 1.5K 3µH JK701 CNP708 FW901 HEADPHONES M_+13.0V SP_RLY D911 R_CH DS1SS133...
  • Page 30 XL-HP737E/HP737H XL-HP737E FM SIGNAL AM SIGNAL AM ANTENNA AM TRACKING fL L354 T303 C330 C331 C323 0.022 0.047 (CH) LOW PAS R358 FILTER D301 C332 3.9K DS1SS133 0.022 LOOP D302 ANTANNA DS1SS133 VD301 SVC347S C335 560P T306 L341 BALUN C334...
  • Page 31 XL-HP737E/HP737H TUNER PWB-C L354 C371 1/50 LOW PASS FILTER C372 1/50 10 11 C358 1/50 R355 3.3K C357 2.2/50 C356 0.001 L352 100µH ZD351 DZ5.1BSB C396 100/10 C395 0.022 R392 R377 (1/2W) R391 0µH (1/2W) Q360 KTA1504 GR R383 C386 330P 5.6K...
  • Page 32 XL-HP737E/HP737H XL-HP737H FM SIGNAL AM SIGNAL AM ANTENNA AM TRACKING fL T303 C330 C331 C323 0.022 0.047 (CH) LOW P R358 FILTER D301 C332 3.9K DS1SS133 0.022 LOOP D302 ANTANNA DS1SS133 VD301 SVC347S C335 560P T306 L341 BALUN C334 R323...
  • Page 33 XL-HP737E/HP737H TUNER PWB-C L354 C371 1/50 LOW PASS FILTER C372 1/50 CT29 RT24 XT21 0.022 4.332MHZ RT26 RT25 QT21 KTC3875 GR XOUT CT30 VSSd TEST 0.022 CT26 VDDD 10 11 560P C358 MODE 1/50 FLOUT CT27 R355 0.022 3.3K C357 VSSA 2.2/50...
  • Page 34 XL-HP737E/HP737H DISPLAY PWB-B1 XL-HP737E R756 FL701 FL DISPLAY R574 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9...
  • Page 35 XL-HP737E/HP737H CNP701A UNSW5.6 P_IN SP_RLY AC_RLY CON SP_DET 10 9 +B_PROTECT R795 D_GND S_MUTE T_BIAS CNP701B C700 REC/PLAY 1/50 6-3 12 - F –20dB TO MAIN PWB(1/2) M_+13V SW_5V A_+10V –VF R700 R701 R702 FFC701 C702 0.022 R704 R705 R706...
  • Page 36 XL-HP737E/HP737H DISPLAY PWB-B1 XL-HP737H R756 FL701 FL DISPLAY R574 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9...
  • Page 37 XL-HP737E/HP737H CNP701A RDS-RST RDS-RDDA RDS-RDCL RDS-READY TUN_SM/SPAN UNSW5.6 P_IN SP_RLY AC_RLY CON SP_DET +B_PROTECT R795 D_GND S_MUTE T_BIAS CNP701B C700 REC/PLAY 1/50 6-3 12 - F –20dB TO MAIN PWB(1/2) M_+13V SW_5V A_+10V –VF FFC701 C702 0.022 R753 R708 C703...
  • Page 38 XL-HP737E/HP737H CD/MP3 PWB-D 100P(CH) PWB : F1053AW C 0.022 100P(CH) 100P(CH) 100P(CH) 100P(CH) 100P(CH) 47/25 CD SIGNAL 0.022 4.7K PICKUP UNIT(306) 0.01 0.22 4.7K 0.047 FFC1 0.01 KTA1504 Y VREF VREF 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 0.001...
  • Page 39 FFC5 2.2K 2.2K MP3-RES CDEMPH SYS-DI DISC SYS-DO IXA006AW CLAMP CNP704 MICRO- CNW1 TRAY SW1 XL-HP737E: 6-13 11 - E SYS-CL TRAY SW2 COMPUTER XL-HP737H: 6-15 11 - E SYS-CE PHOTO INTB TO DISPLAY PWB 2.2K AVDD AVREF SUB_CE 0.01 3 4 5 6 7 8 9 10 2.2K...
  • Page 40 XL-HP737E/HP737H FROM TUNER PWB 6-30 2 - E COLOR TABLE MAIN PWB-A1 CNS303 BROWN RD( R) ORANGE YELLOW GREEN C616 BLUE R136 VIOLET IC601 GRAY W H( W ) WHITE BLACK PINK CNP303 C623 R603 R602 R601 C617 M971(202-3) C615...
  • Page 41 6-27 10 - F CNP701B/FFC701 XL-HP737H :27Pin XL-HP737E :21Pin Q108 Q102 Q104 FFC701 C118 R111 TO DISPLAY PWB C103 CNP701A XL-HP737E: 6-21 11 - G C110 C138 L103 XL-HP737H: 6-23 11 - G BI102 R114 R149 IC101 C109 Q112 C141 C115...
  • Page 42 XL-HP737E/HP737H XL-HP737E SW728 SWITCH PWB-B2 OPEN/ CROSE SW727 RD25 DISC 5 FFC706 SW726 DISC 4 RD24 SW725 RD23 DISC 3 SW724 DISC 2 RX701 RD22 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22...
  • Page 43 XL-HP737E/HP737H R573 LED PWB-B3 BI707 LED708 CNS707 7 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 43 44 45 50 51 FL701 FL DISPLAY...
  • Page 44 XL-HP737E/HP737H XL-HP737H SW728 SWITCH PWB-B2 OPEN/ CROSE SW727 RD25 DISC 5 FFC706 SW726 DISC 4 RD24 SW725 RD23 DISC 3 SW724 DISC 2 RX701 RD22 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22...
  • Page 45 XL-HP737E/HP737H R573 LED PWB-B3 BI707 LED708 CNS707 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 43 44 45 50 51 FL701 L DISPLAY...
  • Page 46 XL-HP737E/HP737H WAVEFORM NUMBERS 70 75 6-26 6 - B CD PICKUP U 70 75 6-26 4 50 55 CHANGE CD/MP3 PWB-D (TOP VIEW) The numbers are waveform numbers shown in page 5-1 Figure 6-24 WIRING SIDE OF PWB (7/13) 6 – 24...
  • Page 47 CD MOTOR PWB CNP5 CNP2 CD/MP3 PWB-D (BOTTOM VIEW) CNS2 FFC5 6-19 12 - D FROM MAIN PWB CNP704 XL-HP737E: 6-20 3 - D XL-HP737H: 6-22 3 - D TO DISPLAY PWB Figure 6-25 WIRING SIDE OF PWB (8/13) 6 – 25...
  • Page 48 XL-HP737E/HP737H CNP3A SLED MOTOR SW1A PICKUP IN CD MOTOR PWB-E FFC1 CNP1 6-25 8 - C SPINDLE MOTOR TO CD/MP3 PWB CNP3 6-25 8 - F TO CD/MP3 PWB CNW3 TRAY MAIN CAM MOTOR MOTOR – – FFC4 CNB1 CNP6...
  • Page 49 XL-HP737E/HP737H TO DISPLAY PWB XL-HP737E: 6-20 4 - G XL-HP737H: 6-22 4 - G CD PICKUP UNIT(306) CNP702 FFC702 TAPE MECHANISM Ass'y(213) TAPE MECHANISM SOLENOID PWB Ass'y(213-3) TAPE MOTOR (213-2) RECORD/PLAYBACK/ERASE HEAD HEAD PLATE BLOCK(213-1) CNS102 6-19 9 - A...
  • Page 50 XL-HP737E/HP737H AC POWER XL-HP737H SUPPLY CORD AC 230 V, 50 Hz POWER PWB-A2 D846 L841 LINE FILTER When Servicing, Pay attention as the area enclosed by this line ( ) is directly F805 connected with AC main voltage. T2A L 250V...
  • Page 51 XL-HP737E/HP737H AC POWER SUPPLY CORD XL-HP737E AC 230 V, 50 Hz POWER PWB-A2 L841 LINE FILTER F805 T2A L 250V F801 T4A L 250V F802 T4A L 250V C809 R808 C808 COLOR TABLE Q801 B C E R807 BROWN C810...
  • Page 52 XL-HP737E/HP737H SO301 FM ANNTENNA TERMINAL AM LOOP TUNER PWB-C ANNTENNA CHASSIS CHASSIS CNP302 L341 C345 R346 C331 R369 C346 R344 C341 R345 FE301 R301 R348 T303 Q301 AM TRACKING fL L342 R323 C334 X352 TP301 C321 AM BAND C393 COVERAGE fL...

  • Page 53: Troubleshooting

    XL-HP737E/HP737H Audio XL-HP737E/HP737H Service Manual XLHP737H/E Market CHAPTER 7. FLOWCHART [1] TROUBLESHOOTING 1. When the CD does not function The CD section may not operate when the objective lens of the optical pickup is dirty. Clean the objective lens, and check the playback operation.
  • Page 54 XL-HP737E/HP737H Stopped (1) Focus-HF system check. CH1=500 mV CH3=500 mV 500 ms/div DC 10:1 DC 10:1 (500 ms/div) NORM:20 kS/s Although a CD is inserted and the cover is closed, "NO DISC" is displayed. Press the Tray1 CD Eject Button without inserting a disc, and try starting the playback operation.
  • Page 55 XL-HP737E/HP737H (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 The tracking servo is not activated. DISC appears? Check the peripheral circuits at pins 16, 17 and 22 on IC1, and FFC1.
  • Page 56 XL-HP737E/HP737H (4) PLL system check. Stopped 1999/04/05 17:33:17 CH1=500 mV CH3=1 V CH4=1 V 500 ms/div DC 10:1 DC 10:1 DC 10:1 (500 ms/div) NORM:20 kS/s When a disc is loaded, start play operation. PDO1 The HF waveform is normal, but the TOC data cannot be read.

  • Page 57: Function Table Of Ic

    XL-HP737E/HP737H Audio XL-HP737E/HP737H Service Manual XLHP737H/E Market CHAPTER 8. OTHERS [1] FUNCTION TABLE OF IC IC1 VHiLC78648E-1: CD Digital Signal Processor (LC78648E) (1/2) Pin No. Terminal Name Input/Output Setting in Reset Function AVDD1 Output — Analog power supply pin 1.
  • Page 58 XL-HP737E/HP737H IC1 VHiLC78648E-1: CD Digital Signal Processor (LC78648E) (2/2) Pin No. Terminal Name Input/Output Setting in Reset Function RCHO Output RVDD /2 R channel Power supply pin. Right channel D/A converter RVDD — — R channel output supply pin. XVSS —...
  • Page 59 XL-HP737E/HP737H IC1 VHiLC78648E-1: CD Digital Signal Processor(LC78648E) 75 74 72 71 69 68 66 65 63 62 AVDD1 DVDD SLCO DATA EFMIN DATACK LRSY ASDFIN JITTC ASDACK ASLRCK F16MOUT OUT1 F16MIN LC78648E IOMODE PHLPF/RFMON XVDD VREF XOUT XVSS RVDD RCHO...
  • Page 60 XL-HP737E/HP737H IC2 VHILA6261//-1: Focus/Tracking/Spin/Sled Driver (LA6261) Pin No. Terminal Name Function VO3+ BTL Output pin (+) for channel 3. VO3- BTL Output pin (-) for channel 3. VO2+ BTL Output pin (+) for channel 2. VO2- BTL Output pin (-) for channel 2.
  • Page 61 XL-HP737E/HP737H IC2 VHILA6261//-1: Focus/Tracking/Spin/Sled Driver (LA6261) VOLTAGE CONTROL AMP DUFFER AMP DUFFER AMP For VREF For 1/2 VCC Refcronce voltage Bandgad Figure 2 BLOCK DIAGRAM OF IC 8 – 5...
  • Page 62 XL-HP737E/HP737H IC3 VHiLC78684E-1: MP3 Decoder (LC78684E) (1/2) Pin No. Terminal Name Input/Output Block Function LRSY Input CD IF CD left/right clock input. ADDATA Output Audio interface Audio data output. ADBCK Output Audio bit clock output. ADLRCK Output Audio left/right clock output.
  • Page 63 XL-HP737E/HP737H IC3 VHiLC78684E-1: MP3 Decoder (LC78684E) (2/2) Pin No. Terminal Name Input/Output Block Function DVDD4 — Power supply Digital I/O system power supply. — MADRS7 Output Memory interface DRAM address output 7. MADRS6 Output DRAM address output 6. MADRS5 Output DRAM address output 5.
  • Page 64 XL-HP737E/HP737H IC3 VHiLC78684E-1: MP3 Decoder (LC78684E) 75 74 72 71 69 68 66 65 63 62 LRSY MADRS0 ADDATA MADRS1 ADBCK MADRS2 ADLRCK MADRS3 C2FIN MADRS4 TEST1 MADRS5 CKIN MADRS6 MADRS7 CKOUT LC78684 TEST2 DVDD4 (Top view) DVDD1 MADRS8 MADRS9...
  • Page 65 XL-HP737E/HP737H IC4 VHiLV1625635T D-RAM (LC32V4265B) Terminal Name Function Terminal Name Function UCAS Upper Column Address Strobe A0-A8 Address Inputs LCAS Lower Column Address Strobe I/O0-15 Data Inputs/Outputs Power Write Enable Ground Output Enable No Connection Row Address Strobe IC4 VHiLV1625635T D-RAM (LC32V4265B)
  • Page 66 XL-HP737E/HP737H IC601 VHiLC75341/-1: Audio Processor (LC75341) Pin No. Terminal Name Function Pin No. Terminal Name Function 13-16 R1-4 Input signal pin. Serial data and clock input pin for con- RSEL0 Input selector output pin. trol. Volume + equaliser output pin Chip enable pin.
  • Page 67 XL-HP737E/HP737H IC701 RH-iXA021AWZZ: System Microcomputer (IXA021AW) (1/2) Pin No. Port Name Terminal Name Input/Output Function Input (+) Power supply 5V. -20dBATT Output -20dB Attenuator. T BIAS Output Tape record bias control. T_REC/PLAY Output Tape REC/PLAY control. NO USE Output Open.
  • Page 68 XL-HP737E/HP737H IC701 RH-iXA021AWZZ: System Microcomputer (IXA021AW) (2/2) Pin No. Port Name Terminal Name Input/Output Function P120 TRAY SW1 Input 5-Changer Tray SW1. P117 DISC SW Input 5-Changer Disc SW. P116 CLAMP SW Input 5-Changer Clamp SW. P115 DIST Input Destination input.
  • Page 69 XL-HP737E/HP737H IC701 RH-iXA021AWZZ: System Microcomputer (IXA021AW) P87/FIP20 -20dBATT VLOAD VLOAD T_BIAS P36/BUZ P90/FIP21 T_REC/PLAY P35/PCL P91/FIP22 P34/T12 P92/FIP23 CD_RESOUT P33/T11 P93/FIP24 CD_WRQ P32/TO2 P94/FIP25 SUB_CE P31/TO1 P95/FIP26 ILLU_LED P30/TO0 P96/FIP27 (DIST3) RESET RESET P97/FIP28 (DIST2) XOUT P100/FIP29 (DIST1) P101/FIP30 (DIST0)
  • Page 70 XL-HP737E/HP737H IC851 VHIAN80T53/-1: Multi Regulator (AN80T53) Terminal Name Function REG4 Output 5.1V power supply with a minimum peak out current of 1200mA. REG3 Output 13V power supply with a minimum peak out current of 1350mA. Connected to Power supplies. Connected to the IC substrate.

  • Page 71: Fl Display

    XL-HP737E/HP737H [2] FL DISPLAY FL701 VVKNA12MM44-1 GRID ASSIGNMENT col2 Dot2 col1 Dot1 2G 3G 4G 5G 6G 7G h j k (1G) (2G~11G) ANODE CONNECTION FOLDER TITLE-1 TITLE-2 TOTAL TITLE-3 D5-a PTYI D5-b D5-c SLEEP DAILY D4-a D4-b D4-c D3-a...

  • Page 72: Wiring Of Primarily Supply Leads (For U.k. Only)

    XL-HP737E/HP737H [3] WIRING OF PRIMARILY SUPPLY LEADS (FOR U.K. ONLY) If any one of the bands shown in Fig.1 is removed for some reason, be sure replace it to the original position and same appearance as before. Nylon Band LBND-1011AWZZ...
  • Page 73 “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 74 XL-HP737E/HP737H PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK INTEGRATED CIRCUITS LED701 VHP304VT2H3-1 AC LED,Red,304VT2H3 LED707 VHPSDPB50CD-1 AK LED,Blue,SDPB50CD LED708 VHPA304BC2H-1 AK LED,Blue,A304BC2H VHILC78648E-1 AW CD Digital Signal Proscessor, VD301 VHCSVC347S/-1 AG Variable Capacitance,SVC347S LC78648E VHEMA8033//-1 AC Zener,3.3V,MA8033...
  • Page 75 XL-HP737E/HP737H PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AB 2.2 µF,50V,Electrolytic VCCCCY1HH101J AA 100 pF (CH),50V C364 VCEAZA1HW225M J AB 0.056 µF,16V AA 0.022 µF,16V VCKYCY1CB563K C365 VCTYPA1CX223K AA 0.01 µF,16V AA 0.001 µF,50V VCKYCY1CB103K C366 VCKYCY1HB102K AA 0.047 µF,16V...
  • Page 76 XL-HP737E/HP737H PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK C910 VCCCCY1HH3R0C J AA 3 pF (CH),50V VRS-CY1JB222J AA 2.2 kohms,1/16W AD 100 µF,100V,Electrolytic C911,912 VCEAZA2AW107M J VRS-CY1JB102J AA 1 kohm,1/16W C913 VCCCCY1HH101J AA 100 pF (CH),50V VRS-CY1JB221J AA 220 ohms,1/16W AD 100 µF,100V,Electrolytic...
  • Page 77 XL-HP737E/HP737H PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK R384 VRD-ST2CD562J AA 5.6 kohms,1/6W R808 VRD-RT2HD222J AA 2.2 kohms,1/2W R385 VRS-CY1JB562J AA 5.6 kohms,1/16W R841 VRD-ST2CD224J AA 220 kohms,1/6W [H Only] R386 VRD-ST2CD223J AA 22 kohms,1/6W R842 VRD-ST2CD102J...
  • Page 78 XL-HP737E/HP737H PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK OTHER CIRCUITRY PARTS SW703 QSW-K0005AWZZ J AC Switch,Key Type [REVERSE MODE] SW704 QSW-K0005AWZZ J AC Switch,Key Type BI102/CNS102 QCNWN2748AWPZ J AL Connector Ass’y,8/6Pin [REVERSE PLAY] BI601/CNS2 QCNWN2750AWPZ J AG Connector Ass’y,9/8Pin...
  • Page 79 XL-HP737E/HP737H PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK MLEVP0132AWZZ J AD Mechanism Up/Down Board (R) CFANB5609AW01 AQ Fan Motor Ass’y MLEVP0133AWZZ J AC Mechanism Clamp Board 202- 1 LANGK0434AWFW J AF Bracket,Fan Motor MLEVP0134AWZZ J AD L/R Joint Lever...
  • Page 80 XL-HP737E/HP737H PRICE PARTS CODE DESCRIPTION RANK SPAKCA116AWZZ J Packing Case [H] SPAKCA118AWZZ J Packing Case [E] SPAKZA008AWZZ J AC Space Pad [E Only] SSAKH0094AWZZ J AE Polyethylene Bag,Unit TGAN-3170UMZZ AE Warranty Card [E Only] TINSEA053AWZZ AL Operation Manual [E] TINSZA065AWZZ...
  • Page 81 XL-HP737E/HP737H 306-2 306-1 306-3 703x2 305x2 PWB-D Figure 8 CD MECHANISM EXPLODED VIEW – 8 –...
  • Page 82 XL-HP737E/HP737H 101x2 109-2 109-3 101x3 102x5 109-5 803x4 109-4 803x2 109-1 MECHANISM UNIT 802x4 141 140 148 147 801x2 PWB-F Figure 9 CD CHANGER MECHANISM EXPLODED VIEW – 9 –...
  • Page 83 XL-HP737E/HP737H 614x5 CD CHANGER MECHANISM UNIT 205x5 614x2 CAUTION : RING SPRING ASSY.INTO FAN POSITION. RING GAP RING GAP 610x2 FAN RIB FAN RIB 610x2 CAUTION : MUST VISUAL CHECK AFTER FULLY INSERTED THE FAN TO MOTOR. 614x2 ( FOR REFERENCE ONLY ) GAP IS 4.9 mm BETWEEN FAN AND FAN...
  • Page 84 XL-HP737E/HP737H TWEETER SP3(L-CH) SP4(R-CH) C1,2 Capacitor 908x2 WOOFER 904x2 SP1(L-CH) SP2(R-CH) 908x2 904x2 907x2 SP3, SP4 907x4 905x4 SP1, SP2 TWEETER SP3(L-CH) C1,2 SP4(R-CH) Capacitor 2.7µF,100V WOOFER SP1(L-CH) SP2(R-CH) Figure 11 SPEAKER EXPLODED VIEW – 11 –...
  • Page 85 XL-HP737E/HP737H PACKING METHOD (FOR U.K.ONLY) Setting position of switches and knobs Tape Mechanism STOP 1. Polyethylene Bag, Accessories 92LBAG1460C1 11. Operation Manual TINSEA053AWZZ 2. FM Antenna 92LFANT1535A 12. Quick Guide TINSEA054AWZZ 3. AM Loop Antenna QANTL0005AWZZ 15. Label, Pop TLABZA105AWZZ 4.
  • Page 86 XL-HP737E/HP737H — M E M O — – 13 –...
  • Page 87 XL-HP737E/HP737H — M E M O — – 14 –...
  • Page 88 XL-HP737E/HP737H © COPYRIGHT 2004 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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