Sanyo DC-TS750 Service Manual

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Service Manual
REMOTE CONTROLLER RB-TS750MT
CONTENTS
Specification ..................................................................... 1
Laser beam safety precaution .......................................... 2
DVD Mechanism replacement ......................................... 2
Mechanism Replacement ................................................ 3
Trouble shooting .............................................................. 5
Service mode ................................................................... 9
Tuner Adjustment for US,CA ........................................... 12
Exploded View (Cabinet & Chassis) ................................ 13
Parts List .......................................................................... 14
Exploded View (DVD Mechanism) ................................... 19
Parts List .......................................................................... 19
IC Block Diagram & Description ....................................... 20
Block diagram (DVD back end) ........................................ 36
DVD Home Theater System
Schematic Diagram (DVD) ............................................... 38
Schematic Diagram (MPEG) ............................................ 40
Schematic Diagram (AMP) ............................................... 42
Wiring Diagram (MAIN,AMP-DVD A side) ..................... 44
(A side for CA Top Left) ................................................ 46
(A side for CA Bottom Left) ........................................... 48
(A side for CA Top Right) .............................................. 50
(A side for CA Bottom Right) ......................................... 52
(B side) ........................................................................... 54
Schematic Diagram (FRONT , TUNER ) .......................... 56
Wiring Diagram (FRONT and TUNER) .......................... 58
Wiring Diagram (HEADPHONE , POWER SUPPLY
Wiring Connection ............................................................ rear
FILE NO.
DC-TS750
PRODUCT CODE No.
129 636 06
and MECH SW) ................................... 60
REFERENCE No.
(AU)
SM
5810311

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  Summary of Contents for Sanyo DC-TS750

  • Page 1: Table Of Contents

    FILE NO. DC-TS750 DVD Home Theater System Service Manual (AU) REMOTE CONTROLLER RB-TS750MT CONTENTS PRODUCT CODE No. 129 636 06 Specification ..............1 Schematic Diagram (DVD) ..........38 Laser beam safety precaution .......... 2 Schematic Diagram (MPEG) ..........40 DVD Mechanism replacement ......... 2 Schematic Diagram (AMP) ..........
  • Page 2: Specification

    SPECIFICATIONS Amplifier Tuner Main amplifier Reception frequency: Stereo mode FM: 87.5 - 108 MHz 26W x 2 AM: 522 - 1,710 kHz (at 8 ohms, 10% distortion) Dolby Digital mode General 26W x 2 Power requirements: (at 8 ohms, 10% distortion, with Centre/Surround/Subwoofer AC 230 - 240 V, 50 Hz amplifier off) Power consumption:...
  • Page 3: Laser Beam Safety Precaution

    LASER BEAM SAFETY PRECAUTION • Pick-up that emits a laser beam is used in this CD player section. CAUTION : USE OF CONTROLS OR ADJUSTMENTS CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND OR PERFORMANCE OF PROCEDURES INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. OTHER THAN THOSE SPECIFIED HEREIN ADVARSEL –...
  • Page 5: Mechanism Replacement

    MECHANISM REPLACEMENT 4. Base mechanism mounting parts. GREASE EM-30LG GREASE EM-30LG GREASE EM-30LG GREASE EM-30LG : Clean the groove by alcohol well. Apply screw lock 6. Tray parts. 5. Base mechanism parts. GREASE CDF-409 GREASE GREASE CDF-409 EM-30LG GREASE CDF-409 GREASE EM-30LG Do not remove the pick-up from base mechanism because of...
  • Page 6: Trouble Shooting

    TROUBLE SHOOTING VIDEO COMPOSITE OUT ; OK TUNER OUTPUT ; OK VIDEO 1,2 OUTPUT ; OK DVD/CD OUTPUT ; NG LOADER CHANGE LOADER CHANGE DAC5V LINE CONFIRM 3.3V,DAC5V 3.3V LINE CONFIRM CONFIRM IC412 PERIPHERAL CIRCUIT CN870 Pin18,43 CONFIRM (IC411,IC410 etc) IC870 Pin9~14 DAC IC870 PERIPHFRAL CONFIRM CONFIRM...
  • Page 7 TROUBLE SHOOTING AC CORD PLUG IC430 SYSCON IC410 REG. X4301 SYS-CLK IC411 REG. IC430,IC601 +5V POWER ONLY X4300 SUB-CLK IC241 TU-PLL IC450 FUNCTION DS601 IC430 RESET IC451 VOLUME IC800 DVD-MPU IC601 VFD-DRV IC818 FLASH X4300,X4301 CLOCK IC870 6CH-DAC IC820 MPEG IC801 EEPROM IC821...
  • Page 8: Service Mode

    TROUBLE SHOOTING SERVICE MODE NO COLOR or ABNORMAL A. Market / Region SETUP In the initial condition for this model, Market and Region information are undefined. In the following cases, be sure to set up Market/Region. X8230 CRYSTAL RESONATOR 1. When updating the system using CD-R 27MHz CHANGE (Part code : 0PRADF9635--AC).
  • Page 9: Service Mode

    SERVICE MODE C. Setup Procedures 1. Displaying SERVICE MODE screen Display Service Mode screen following the instructions "How to enter Service Mode" above. 2. Displaying Internal Setup screen Push NEXT button within three seconds after operating the Service Mode display. On the Internal Setup screen shown on the right, set up Market and Region.
  • Page 10 You should check the settings. Backend version S 11225 A 0 Brand (S : SANYO , F : FISHER) Version ( 2 0 0 1 , 12 , 25) Sub Version (A,B,..Z) Region ( 0 : Region undefined...
  • Page 11: How To Load Software For Mpeg P.w.board

    SERVICE MODE D. IMPORTANT NOTE 1. Once the "Market/Region" settings are written into EEPROM (IC801) on the DVD substrate, they cannot be reset. (However, updating the system using CD-R enables you to make new settings.) 2. While the Internal Setup screen is displayed, pushing the Power button enables you to terminate the operations without HOW TO LOAD SOFTWARE FOR MPEG P.W.BOARD 1.
  • Page 12: Exploded View (Cabinet & Chassis)

    EXPLODED VIEW (CABINET & CHASSIS) - 13 -...
  • Page 13: Parts List

    PARTS LIST PRODUCT SAFETY NOTICE EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY CAN ! ! ! BE OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED BY , USE ONLY THE REPLACEMENT ! ! ! PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED...
  • Page 14 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION S6042 645 006 5958 SWITCH,PUSH 1P-1T C4654 403 184 9300 MT-POLYEST 0.047U J 50V 614 220 5471 SWITCH,TACT C4748 403 184 9805 MT-POLYEST 0.22U J 50V 614 240 1002 SWITCH,TACT C4749 403 184 9805 MT-POLYEST 0.22U J 50V S6043...
  • Page 15 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION 409 447 3702 IC T224162B-35S L4850 645 053 7493 INDUCTOR,0.7U 410 375 9407 IC LC324265AT-25DV-MPB L4851 645 045 6206 INDUCTOR,AIR 0.7U 410 388 4505 IC M11B416256A-35T L4960 645 040 6430 INDUCTOR,2.2U M IC160 409 532 0005 IC LA6560-A L4961...
  • Page 16 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION 405 141 5608 TR DTC114YKA 405 014 4509 TR 2SC2412K-R Q4501 405 159 0503 TR KRC107S 405 011 1006 TR 2SC1623-L6 405 141 5608 TR DTC114YKA Q1020 405 146 2107 TR KTC3875-Y Q4502 405 151 6107 TR KRA107S 405 146 2206 TR KTC3875-GR...
  • Page 17 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION Q4920 405 166 7007 TR KTD1304 D2452 407 153 7502 ZENER DIODE GZS3.0B Q4921 405 151 6107 TR KRA107S D2454 407 012 4406 DIODE 1SS133 405 141 5707 TR DTA114YKA IC211 409 292 5807 IC TA8176SN Q8880...
  • Page 18: Exploded View (Dvd Mechanism)

    EXPLODED VIEW (DVD MECHANISM) DM17 DM17 DM02 DM18 DM18 DM20 DM04 DM26 DM03 DM05 DM27 DM21 DM28 DM06 DM29 DM22 DM07 DM30 DM19 DM23 DM32 DM24 DM36 DM25 DM33 DM08 DM17 DM18 DM34 DM17 DM18 DM13 DM14 DM38 DM39 DM12 DM37 DM10 DM09...
  • Page 19: Ic Block Diagram & Description

    IC BLOCK DIAGRAM & DESCRIPTION FL601 Fluorecent Tube P I N C O N N E C T I O N PIN NO. 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 8 7 6 5 4 3 2 1 F2 F2 NP NP 1G 2G 3G 4G 5G 6G 7G 8G 9G 10G NX NX NX NX NX P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12P13P14 P15 P16 NP NP F1 F1...
  • Page 20 IC BLOCK DIAGRAM & DESCRIPTION IC100 LA9702WL-MPB (Read Channel) Pin No. Pin name Function Pin No. Pin name Function Defect output (H : Defect detection) RF signal - input DEFC Defect detection condenser connect terminal RF signal + input Defect detection constant setting register terminal Pickup signal input GND (DTD system) Pickup signal input...
  • Page 22 IC BLOCK DIAGRAM & DESCRIPTION IC130 LC78661W-D(DVD/CD Signal Processing) Block Pin # Pin Name Supplementation Block Pin # Pin Name Supplementation AV data I/F AVREQIO I/O AV data demand flag I/O pins Power supply DVDD5 I/O power supply [Digital 3.3V or 5V] [159 to 197] AVACKOI I/O AV data read strobe output pin DVSS...
  • Page 24 IC BLOCK DIAGRAM & DESCRIPTION IC251 LC72722(RDS Signal Processer) IC410,411 PQ1CG21H2RZ(Chopper Regulator) VREF FLOUT CIN CLOCK Vddd Vdda RECOVERY REFERENCE (57kHz) Constant- (1187.5Hz) VOLTAGE ON/OFF voltage Circuit Vssd Vssa VREF circuit 57kHz ON/OFF DATA ANTIALIASING SMOOTHING (SCF) RDS-ID MPXIN DECODER FILTER FILTER Soft start...
  • Page 25 IC BLOCK DIAGRAM & DESCRIPTION IC430 M38039MC-07FP(Single Chip 8-Bits Microcomputer) 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 (LED RDY2 (LED CLK1 CLK3 (LED RDY3 (LED (LED (LED /INT (LED /PWM /DA1 (LED /CNTR /CNTR...
  • Page 27 IC BLOCK DIAGRAM & DESCRIPTION IC601 PT6315 (VFD Driver/Controller) IC460,461,470,471,480,481,490,495 KIA4558F, NJM4558M(Dual Low Noise Operational Amplifier) SG1/KS1 SG2/KS2 SG3/KS3 Control SG4/KS4 SG5/KS5 Serial SG6/KS6 DOUT Data Segment SG7/KS7 Display Memory Interface OUT A Driver SG8/KS8 (24 bits x 17 Words) SG9/KS9 Grid Driver...
  • Page 28: Top View

    IC BLOCK DIAGRAM & DESCRIPTION IC800 ZR36705TQC (Micro Controller) 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 PB5/CS1L/DREQ2 PD3/AN3/INT5 PB6/CS1H/DACK2 PD2/AN2/DVDSOS PB7/DW1X PD1/AN1/STREQ/DRVVLD PD0/AN0/STRBIN PAG/CLK AVSS/AVRL PA5/CS5X...
  • Page 29 IC BLOCK DIAGRAM & DESCRIPTION IC800 ZR36705TQC (Micro Controller) I/O Circuit Function Number Name Format Bits 16 to 23 of external data bus. D16/P20 D17/P21 When the external bus width is set to 8 bits, these pins can be used as general-purpose I/O ports D18/P22 (P20 to P27).
  • Page 30 IC BLOCK DIAGRAM & DESCRIPTION IC800 ZR36705TQC (Micro Controller) I/O Circuit Function Number Name Format RDY/P80 External Ready input, 0 is input when the bus cycle being executed is not completed. When the pin is not used for this purpose, it can be used as a general-purpose I/O port. BGRNTX/P81 Output of external bus release acceptance.
  • Page 31 IC BLOCK DIAGRAM & DESCRIPTION IC800 ZR36705TQC (Micro Controller) Function Number Name SI2/PF5 [SI2] UART2 data input. This input is used from time to time while input operation is selected. Therefore, it is needed to stop output by other functions except when such output is performed intentionally. [PF5] Denerel-purpose I/O port.
  • Page 32 IC BLOCK DIAGRAM & DESCRIPTION IC806 74VHCT08A (Quad 2-Input AND Gate) 13 A 12 B 11 O 10 A Pin Names Description Inputs Outputs IC818 LE28DW8163T (8Mbit Flash) BYTE# CHARGE PUMP COLUMN DECODER & DQ15/A-1 VOLTAGE REFERENCE DQ14 CIRCUIT DQ13 128Kx16 ADDRESS BUFFER DQ12...
  • Page 33 IC BLOCK DIAGRAM & DESCRIPTION IC820 ZR36732 (MPEG) Status Afte r RESET/ Status Afte r RESET/ Name Type Direct io n During STANDBY Name Type Direct io n During STANDBY HD [7] I/O (r.t.) Reset: input (p.d.) General Purpos e I/O (Hos t Interface) (3 pi ns ). HD [6] I/O (r.t.) Standby: 3-S (p.d.)
  • Page 34 IC BLOCK DIAGRAM & DESCRIPTION IC820 ZR36732 (MPEG) Status Afte r RESET/ Status Afte r RESET/ Name Type Direct io n During STANDBY Name Type Direct io n During STANDBY SDRAM In terface (35 pins). Test Signal In terface (3 pins). SCNENBL Input RAMDAT [15]...
  • Page 35: Block Diagram (Dvd Back End)

    BLOCK DIAGRAM CN351 Y/C <-> RGB Y/C <-> YCbCr MAIN PWB CONPONENT IC821 S3501 S3501 K4S161622D VIDEO SW VIDEO SW 3.3V PICK UP : SF-HD3 3.3V IC141 CN302 DVD PD JVAD T224162B 16M SDRAM SCART CN100 DRAM CN491 Y,Cb,Cr CN492 S VIDEO OUT VIDEO(AUDIO)IN HEADPHONE IN(SWITCH) RFOP,RFON,PH,TE,ADBH...
  • Page 36: Schematic Diagram (Dvd)

    SCHEMATIC DIAGRAM (DVD) RF02 RF01 EQ04 Q1810 R1120 C1077 CDX2 L1090 1000 MPEG BLOCK A.GND A.GND C1079 R1121 A.GND 150P R1104 C1076 R1101 C1075 R1816 A.GND 220P 100P CDX4 Q1021 Q1020 R1107 KTC3875 KTC3875 R1103 CN100 L1190 R1100 A.GND 1000 1AV4J11RN240G Q1812 Q1811...
  • Page 37: Schematic Diagram (Mpeg)

    SCHEMATIC DIAGRAM (MPEG) LOADER BLOCK 3.3V R8099 3.3V R8790 SDA/MDI MAIN BLOCK R8791 SCL/MC from IC820-P134 FRONT-L C8599 FR_L C8785 L8781 47/25 1000 MAIN BLOCK DGND DGND DGND 3.3V 1.9V FRONT-R DGND SG872 FR_R 2012SGX IC851 IC850 D-MUTE C8783 DGND RC1117S33 RC1117S C8786...
  • Page 38: Schematic Diagram (Amp)

    SCHEMATIC DIAGRAM (AMP ) SG491 L4960 L/R-BUFFER L/R-BUFFER L/R-POWER 2012SGX 2.2U JCX-TS750 CN490 MONITOR OUT IC490 IC460 IC461 C4976 0.01 C4961 KIA4558F KIA4558F KIA4558F KIA4558F KIA4558F KIA4558F IC462 LM1876TF AMP SECTION SH_GND L4961 PR450 CN491 2.2U C4965 R4923 R4931 C4600 C4601 +12V C4622...
  • Page 39: Wiring Diagram (Main,Amp-Dvd A Side)

    WIRING DIAGRAM (MAIN,AMP-DVD A SIDE) LM3876TF LM1876TF LM4700TF LM1876TF DGND DGND CN162 CN100 IC472 PICK-UP LOADING&OPN/CLS SW IC462 462 VR-CD L1001 R4860 IC482 CD/DVD CN160 VR-DVD SH401 IC483 Q1003 R4868 C4640 CN162 LIMIT D1101 CN100 Q4740 C4824 Q1004 D1102 C4755 C4856 C4860 C4857...
  • Page 40 WIRING DIAGRAM (MAIN,AMP-DVD A SIDE TOP LEFT) LM3876TF LM1876TF LM4700TF LM1876TF IC472 IC4 4 I R4860 IC482 IC483 SH401 R4868 C4640 Q4740 C4824 C4755 C4856 C4860 C4857 C4741 C4742 C4844 C4843 C4641 C4642 42 C4644 C464 4 4 C 44 44 R4846 C4862 C4760...
  • Page 41 WIRING DIAGRAM (MAIN,AMP-DVD A SIDE BOTTOM LEFT) R8 R8495 849 9 5 C8 C8224 82 822 2 4 C8 C8221 822 8 21 96 961 PR420 PR420 C8 C8215 821 1 1 5 L4962 C8 C8214 8214 2 4 *MUTEC C4970 R8881 C8281...
  • Page 42 WIRING DIAGRAM (MAIN,AMP-DVD A SIDE TOP RIGHT) DGND DGND CN162 CN100 LOADING&OPN/CLS SW PICK-UP IC462 462 VR-CD L1001 CD/DVD CN160 VR-DVD Q1003 CN162 LIMIT CN100 D1101 Q1004 D1102 44 4 4 4 44 44 C1001 C1605 C1100 MLD1 C1606 C1835 R1028 IC851 DGND...
  • Page 43 WIRING DIAGRAM (MAIN,AMP-DVD A SIDE BOTTOM RIGHT) HD3 3 H H D1 HD6 D6 H H D D 0 HD14 4 1 D HD H *DVDIRQ *DVDIRQ *DVDIRQ DVDIRQ D D VDIRQ VDIRQ HD15 HD H 5 HD D SEL_PICK SEL PICK SEL PICK SEL PICK...
  • Page 44 WIRING DIAGRAM (MAIN,AMP-DVD B SIDE) A_GND 02,05,28 02,05,28 LD-CD LD-DVD D_GND MGND A_GND A_GND A_GND TBAL RFVCA BOOT3T FBAL FOST TOST DGND D_GND 1AD4B10D1134A DSP88 DSP92 94V-0 F01 DSP84 D_GND R8950 AMCLK CAN11 D_GND LED5V STBY D_GND HA20 SELPANE JOG- JOG+ D_GND DGND...
  • Page 45: Schematic Diagram (Front , Tuner)

    SCHEMATIC DIAGRAM (FRONT , TUNER) IC211 TA8176S XF211 R2306 TO MAIN PWB C2306 XF221 XF222 1;50 2.7K R2111 XF231 C2322 XF233 C2123 1000P C2305 0.47;50 0.01 R6043 R6042 R6041 C2321 1;50 C2105 R2104 1000P 100K C2101 1000P L2101 R2301 CN201 TERMINAL FM IF AM MIX...
  • Page 46: Wiring Diagram (Front And Tuner)

    WIRING DIAGRAM (FRONT and TUNER) C6008 C6009 C6003 R6008 J6202 J6201 R6003 J6101 D6101 J6203 R6032 POWER R6031 J6204 S6040 J6206 C6021 J6102 DS601 J6207 C6020 T002 94V-0 J6106 R6006 J6208 J6104 1AD4B10D1140A J6109 T002 94V-0 J6210 J6108 1AD4B10D1140A J6111 J6113 J6110 S6001...
  • Page 47: Wiring Diagram

    WIRING DIAGRAM (HEADPHONE , POWER SUPPLY and MECHA SW) C4052 SG409 C4050 HP-L SG405 J4252 SG406 HP-GND HP-R C4053 MUTE R4051 HP-IN J4054 J4055 J4052 R4050 T002 94V-0 L4050 1AD4B10D1140D HEADPHONE Q4002 R4007 Q4001 J4001 R4005 C4007 R4008 R4006 D4008 R4004 C4009 D4009...
  • Page 48: Wiring Connection

    (5P) CN496 (16P) CN001 LOADING MOTOR & OPEN/CLOSE SWITCH (5P) DVD MECHANISM CN405 (5P) HEADPHONE FL601 P.W.B CN601 (16P) CN407 FRONT P.W.B PHONES This is a basic wiring connection. SANYO Electric Co., Ltd. OSAKA, JAPAN Jun./ '02 Printed in Japan...

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