Sanyo DC-TS765KR Service Manual
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Sanyo DC-TS765KR Service Manual

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Service Manual
CONTENTS
Laser beam safety precaution ............................................... 1
Mechanism replacement ....................................................... 2
Wiring Connection ................................................................. 4
Trouble shooting ................................................................... 5
Service mode ........................................................................ 9
How to load software for MPEG P.W.Board ......................... 12
Tuner Adjustment .................................................................. 13
Exploded View (Cabinet & Chassis) ..................................... 14
Parts List ............................................................................... 15
Exploded View (DVD Mechanism) ........................................ 20
Parts List ............................................................................... 20
IC Block Diagram & Description ............................................ 21
Block diagram ....................................................................... 36
Schematic Diagram (DVD) .................................................... 38
DVD Home Theater System
Schematic Diagram (MPEG) .............................................. 40
Schematic Diagram (AMP ) ................................................ 42
Wiring Diagram (MAIN A side) ......................................... 44
(MAIN A side Top Left) .................................................... 46
(MAIN A side Bottom Left) ............................................... 48
(MAIN A side Top Right) .................................................. 50
(MAIN A side Bottom Right) ............................................. 52
(B side) ............................................................................. 54
Schematic Diagram (FRONT , TUNER) ............................. 56
Wiring Diagram (FRONT , SW1 BUTTON, SW2 BUTTON,
MECHA SW and MECHA IF) ............................................ 58
Wiring Diagram (POWER SUPPLY) ................................ 62
FILE NO.
DC-TS765KR
(SS)
PRODUCT CODE No.
129 656 10
SM
REFERENCE No.
5810391

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  • Page 1: Table Of Contents

    FILE NO. Service Manual DC-TS765KR DVD Home Theater System (SS) CONTENTS PRODUCT CODE No. 129 656 10 Laser beam safety precaution ..........1 Schematic Diagram (MPEG) ..........40 Mechanism replacement ............2 Schematic Diagram (AMP ) ..........42 Wiring Connection ..............4 Wiring Diagram (MAIN A side) .........

  • Page 2: Laser Beam Safety Precaution

    DVD MECHANISM REPLACEMENT 1. Cautionary instructions in handling the assy (Connectors) (Safety instructions) Do not connect or disconnect while power is on. Optical pickup Connecting or disconnecting signal wires or the main power cord The laser beam used in the pickup is classified as "class 2". when the power is on may destruct the unit or fixture.

  • Page 3: Mechanism Replacement

    MECHANISM REPLACEMENT 1. How to Remove DVD Mechanism Side of DVD mechanism First, it is necessary to remove Escutcheon. Front Rear Cylindrical thing How to remove Escutcheon. An eject button is pushed and a tray is taken out. Please remove Escutcheon, as shown in the left figure 2 . When an eject button 1 does not function.
  • Page 4 MECHANISM REPLACEMENT 5. Base mechanism mounting parts. G-FLOIL GREASE SY-31S G-FLOIL GREASE SY-31S G-FLOIL GREASE MEN-223R G-FLOIL GREASE MEN-223R G-FLOIL GREASE SY-31S G-FLOIL GREASE MEN-223R G-FLOIL GREASE SY-31S G-FLOIL GREASE MEN-223R : Clean the groove by alcohol well. Apply screw lock 7.

  • Page 5: Wiring Connection

    WIRING CONNECTION COMPONENT AC IN VIDEO OUT CN351 CN352 POWER SUPPLY COMPONENT (11P) P.W.B P.W.B FU401 3.15A 125V CN401 (9P) CN402 AM LOOP COOLING (2P) ANT. FAN MOTOR SPEAKERS MONITOR CENTER WOOFER SURROUND FRONT VIDEO VIDEO (AUDIO) S-VIDEO CN470 FM ANT. CN491 CN490 75ohm...

  • 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 Pin1,15,18 CONFIRM (IC411,IC410 etc) IC870 Pin17,19,21,23,25,27 DAC IC870 PERIPHFRAL CONFIRM CONFIRM...
  • Page 7 TROUBLE SHOOTING AC CORD PLUG IC430 SYSCON IC241 TU-PLL SYS-CLK X4300 DS601 IC430,IC601 +5V POWER ONLY FUNCTION DVD-MPU IC451 IC800 & & VOLUME MPEG IC601 VFD-DRV IC818 FLASH IC430 RESET IC870 6CH-DAC IC821 SDROM IC801 IC822 EEPROM SDRAM X4300 CLOCK IC410 REG.
  • Page 8 TROUBLE SHOOTING NO COLOR or ABNORMAL X8230 CRYSTAL RESONATOR 27MHz CHANGE IC800 OUTPUT LINE CONFIRM IC800 Pin 169~173 PERIPHERAL VIDEO OUTPUT CONFIRM NORMAL OK? LPF CONFIRM IC800 NG FLOATING CONFIRM IC800 NG TUNER OUTPUT ; NG VIDEO 1,2 OUTPUT ; OK DVD/CD OUTPUT ;...

  • Page 9: Service Mode

    SERVICE MODE 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. 1. When updating the system using CD-R (Part code : 0PRADF9655--AD). 2.
  • Page 10 On the Internal Setup screen shown on the right, set up Market Region and Region. Exit Model Market Region DC-TS765KR/SS 00-WM 01-SFC 02-UK 03-XE Market/Region setup table. 05-SS 06-PA 07-AU 08-CN 09-JP 3. Setting Market code 3.1. While a highlighted indicator is displayed on the right side Internal Setup of the Market denotation, push ENT button on the remote controller.
  • Page 11 55 50 05 Value Backend version S 21225 A 1 Brand (S : SANYO , F : FISHER) Version ( 2 0 0 2 , 12 , 25) Sub Version (A,B,..Z) Region ( 0 : Region undefined 1 ~ 6 : Region defined ) (Reference figure) 6.2 Power OFF.

  • Page 12: How To Load Software For Mpeg P.w.board

    SERVICE MODE D. IMPORTANT NOTE 1. Once the "Market/Region" settings are written into EEPROM (IC818) 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 making any settings.

  • Page 13: Tuner Adjustment

    TUNER ADJUSTMENTS • Use a plastic screw driver for adjustments. SG RF Level : 75Ω open Voltage dBµV Antenna : 75Ω unbalanced Direct, Modulation : 1 kHz : ±22.5kHz(MONO) , ±22.5kHz(STEREO) , ±6.75kHz(PILOT) Dev. Output Level : about 100mV at TP13,TP14,TP15 L2102 L2101 TP15...

  • Page 14: Exploded View (Cabinet & Chassis)

    EXPLODED VIEW (CABINET & CHASSIS) - 14 -...

  • Page 15: 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 AND ! ! ! PERFORMANCE 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...
  • Page 16 PARTS LIST REF.NO. PART NO. DESCRIPTION SW2,BUTTON P.W.BOARD ASSY C4109 403 325 2207 ELECT 3300U M 35V C4110 403 325 2207 ELECT 3300U M 35V REF.NO. PART NO. DESCRIPTION C4120 403 370 7004 ELECT 330U M 6.3V 614 325 6205 ASSY,PWB,SW2,BUTTON(Only initia) C4128 403 373 8404 ELECT 220U M 10V CN621...
  • Page 17 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION D4404 407 012 4406 DIODE 1SS133 645 053 7493 INDUCTOR,0.7U D4580 407 099 5303 ZENER DIODE MTZJ5.6B L4751 645 057 4405 INDUCTOR,0.7U D4581 407 063 9207 ZENER DIODE MTZJ7.5B 645 053 7493 INDUCTOR,0.7U D4582 407 063 9207 ZENER DIODE MTZJ7.5B L4850...
  • Page 18 PARTS LIST REF.NO. PART NO. DESCRIPTION Q4403 405 166 7007 TR KTD1304 X8230 645 053 4270 OSC,CRYSTAL 27.000MHZ Q4404 405 166 7007 TR KTD1304 645 045 8293 OSC,CRYSTAL 27.000MHZ Q4405 405 151 6107 TR KRA107S TUNER P.W.BOARD ASSY 405 141 5707 TR DTA114YKA Q4580 405 146 2107 TR KTC3875-Y REF.NO.
  • Page 19 PARTS LIST REF.NO. PART NO. DESCRIPTION Q4001 405 143 6504 TR KTA1267-GR 405 004 4601 TR 2SA608-F-SPA 405 004 5103 TR 2SA608-G-SPA 405 006 1806 TR 2SA933S-R 405 006 1905 TR 2SA933S-S Q4002 405 143 6504 TR KTA1267-GR 405 004 4601 TR 2SA608-F-SPA 405 004 5103 TR 2SA608-G-SPA 405 006 1806 TR 2SA933S-R 405 006 1905 TR 2SA933S-S...

  • Page 20: 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 DM19 DM30 DM23 DM41 DM32 DM24 DM36 DM25 DM33 DM08 DM17 DM18 DM34 DM17 DM18 DM40 DM13 DM39 DM14 DM11 DM38 DM12...

  • Page 21: Ic Block Diagram & Description

    IC BLOCK DIAGRAM & DESCRIPTION FL601 Fluorecent Tube Note FN ; Filament pin nG ; Grid pin Pn ; Anode pin NP ; No Pin NX ; No Extended pin PIN NO. 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 CONNECTION F2 F2 NP P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 NX 9G 8G 7G 6G 5G 4G 3G 2G 1G NP F1 F1...
  • Page 22 IC BLOCK DIAGRAM & DESCRIPTION IC100 LA9703WL-MPB (DVD Player Fronted Processor) Functions Functions Terminal No. Symbole Terminal No Symbole Customer OP amp. + input EQL boost adjusting Power supply (For DPD) EQL I/O control Pickup signal input FE balance adjusting PDRF FEBL Pickup signal input...
  • Page 23 IC BLOCK DIAGRAM & DESCRIPTION IC130 LC78663NRW (DVD/CD Signal Processing) Block Pin Name Supplementation Block Pin Name Supplementation Microcom- DVSS Servo A/D AD1 Digital GND Servo A/D AD0 puter I/F HDAT1 Data bus 1 Servo A/D JV HDAT2 Data bus 2 RREC Servo A/D RREC HADT3...
  • Page 24 IC BLOCK DIAGRAM & DESCRIPTION IC130 LC78663W-D(DVD/CD Signal Processing) Block Pin name Supplementation Block Pin name Supplementation AV data AVREQI AV data requirement flag input System X16MIO External 16MHz output AVACKO AV data read strobe output TEST2 Test input 2 AVDACK AV data read output (Input;...
  • Page 25 IC BLOCK DIAGRAM & DESCRIPTION IC131 M11L416256(256K x 16 DRAM) IC231 LA1844ML(AM/FM-IF/MPX) DATA-IN BUFFER CONTROL LOGIC CASL IO15 CASH CLOCK GENERATOR RF.AMP DATA-OUT DECODER PILOT BUFFER BUFF CANCEL ANTI-BIRDIE COLUMN COLUMN DECODER ADDRESS BUFFER P-DET STEREO SENSE AMPLIFIERS REFRESH I/O GATING LEVEL CONTROLER AM/FM...
  • Page 26 IC BLOCK DIAGRAM & DESCRIPTION IC161 BA10358(Operational Amplifier) IC410,411 PQ1CG21H2RZ(Chopper Regulator) Constant- OUT1 ON/OFF voltage Circuit circuit ON/OFF -IN1 OUT2 Soft start Overcurrent +IN1 -IN2 detection circuit Oadj +IN2 Overheat detection circuit IC453,455 KTC801U-Y(Switching Transistor) IC450,460 NJM4558(Operational Amplifier) A: OUT A: -IN B: OUT A: +IN...
  • Page 27 IC BLOCK DIAGRAM & DESCRIPTION IC430 M38507M8(Micro Computer) RESET Sub- Sub- clock clock input output Ciock generating C P U circuit R A M Timer 1(8) R O N Prescaler 12(8) Timer 2(8) Prescaler X(8) Timer X(8) CNTR Timer Y(8) Prescaler Y(8) Watchdog timer...
  • Page 28 IC BLOCK DIAGRAM & DESCRIPTION IC801 AT24C02N-10SI(EEPROM) START STOP LOGIC SERIAL H,V. PUMP/TIMING CONTROL LOGIC LOAD COMP DATA RECOVERY DEVICE ADDRESS LOAD COMPARATOR DATA WORD E PROM ADDR/COUNTER SERIAL MUX Y DEC /ACK LOGIC IC802 PTS3627U(Voltage Regulator) Vref PIN No. PIN NAME FUNCTIONS GND 1...
  • Page 29 IC BLOCK DIAGRAM & DESCRIPTION IC471,491 KIA2058,NJM4558M(Operational Amplifier) IC601 PT6315 (VFD Driver/Controller) SG1/KS1 SG2/KS2 SG3/KS3 Control SG4/KS4 A OUTPUT D OUTPUT SG5/KS5 Serial SG6/KS6 DOUT Data Segment SG7/KS7 Display Memory Interface Driver SG8/KS8 (24 bits x 17 Words) D INPUT A INPUT SG9/KS9 Grid...
  • Page 30 IC BLOCK DIAGRAM & DESCRIPTION IC800 ZR36748 (AV Decorder) Pin No. Name Function Boot selection, debug interface, GPIO pin, test mode (23pin) BOOTSEL1 CPU software starting basis select I. Low:starting by flash memory. High : starting by down loaded program from UART. GPCI/O[0]# I/O# Controled general I/O by microcomputer software.
  • Page 31 IC BLOCK DIAGRAM & DESCRIPTION IC800 ZR36748 (AV Decorder) Pin No. Name Function Y/R/V YC O : Y signal O. (DAC B) RGB O : R signal O. YUV O : V signal O. C/B/U YC O : C signal O. (DAC C) RGB O : B signal O.
  • Page 32 IC BLOCK DIAGRAM & DESCRIPTION IC800 ZR36748 (AV Decorder) Pin No. Name Function Loader interface, AV bit stream interface (25pin) ATDD[11]# I/O# ATAPI data I / O. DVDDAT[0] A / V data I. ATDD[4]# I/O# ATAPI data I / O. DVDDAT[1] A / V data I.
  • Page 33 IC BLOCK DIAGRAM & DESCRIPTION IC800 ZR36748 (AV Decorder) Pin No. Name Function ATCS1# ATAPI chip select signal O. CDCLK# CD-DSP bit clock signal I. GPCI/O[44] Controled general I / O by microcomputer software. ATCS0# ATAPI chip select signal O. CDDAT# CD-DSP data I.
  • Page 34 IC BLOCK DIAGRAM & DESCRIPTION IC806 74VHCT08A (Quad 2-Input AND Gate) IC850 PQ2L2182MS (Regulator) 13 A 12 B 11 O 10 A CONTROL Pin Names Description Inputs Outputs IC818 LE28DW8163T (8Mbit Flash) BYTE# CHARGE PUMP COLUMN DECODER & DQ15/A-1 VOLTAGE REFERENCE DQ14 CIRCUIT...
  • Page 35 IC BLOCK DIAGRAM & DESCRIPTION IC870 LC708746V (6 ch. DAC) IC822 K4S16162D (512 X 16Bit X 2 Bank synchronous DRAM ) SCKI ML/I2S MC/IWL MD/DM MODE MUTE LC708746V CONTROL INTERFACE Data Input Register LDQM Bank Select L0A(7:0) 512K x 16 OUT0L Sigma 2,3,5,6,7,8,9,11,...

  • Page 36: Block Diagram

    BLOCK DIAGRAM CONPONENT PWB (US,CA MODEL ONLY) MAIN PWB CN351 Y/C <-> YCbCr Y/C <-> RGB CONPONENT S3501 3.3V S3501 VIDEO SW VIDEO SW 3.3V PICK UP : SF-HD6AVST2 3.3V 2.5V IC130 CN302 DVD PD JVAD M11L4146256SA CN100 3.3V SCART DRAM CN491 CN492...

  • Page 37: Schematic Diagram (Dvd)

    SCHEMATIC DIAGRAM (DVD) R1832 R1830 Q1880 R1831 A.GND A.GND R1886 C1046 C1820 R1072 3.3V 3.3V 3.3V CN100 C1048 R1076 0.01 3.3K A.GND Q1882 A.GND PHBCA ADPH 1AV4J11YA240G Q1881 (Loader BLOCK) R1065 R1074 R1073 6.8K DGND A.GND A.GND PHBCA 2.5V R1066 2.5V A.GND 6.8K...

  • Page 38: Schematic Diagram (Mpeg)

    SCHEMATIC DIAGRAM (MPEG) LOADER BLOCK 3.3V 2.5V 2.5V 3.3V SG872 SG871 MAIN BLOCK 1608SGX 1608SGX MAIN BLOCK C8783 C8785 47/25 47/25 D-MUTE C8786 C8784 R8885 DVDD AVDD2 C8793 FRONT-R A_GND 3.3V SCKI D-MUTE AMCLK_DAC OUT0R FR_R C8794 ABCK DGND DGND ABCLK BCKIN C8795...

  • Page 39: Schematic Diagram (Amp)

    SCHEMATIC DIAGRAM (AMP) SG491 L4960 SW MIX SW AMP L/R-BUFFER L/R-POWER 1608SGX 2.2U MIC AMP CENTER AMP CN490 MONITOR OUT IC491 C4976 0.01 C4961 NJM2058V 1/2 IC461 NJM4556AL IC450 IC462 LM1876TF KIA4558F C4979 0.01 SH_GND L4961 CN491 2.2U C4965 R4624 C4622 C4623 R4635...

  • Page 40: Wiring Diagram (Main A Side)

    WIRING DIAGRAM (MAIN A Side) LOADING&OPN/CLS SW CN100 CN100 CN100 LUG05 LUG07 CN16 CN160 CN160 PICK-UP MLD1 LM4700TF IC482 IC482 V V CC IC472 LM1876TF LM1876TF LM1876TF VR-CD VR-CD MLD2 CD/DVD CD/DVD CLS S SW W 1 1 1 VR-DVD IC462 DGND Q 0 0...

  • Page 41: (Main A Side Top Left)

    WIRING DIAGRAM (MAIN A Side Top Left) LM4700TF IC482 IC482 IC472 LM1876TF R486 4865 486 4865 R486 48 8 6 6 4 486 48 8 6 6 4 Q474 Q474 Q Q Q Q Q Q 0 40 Q Q Q Q 0 40 R486 6 6 486 6 6 C4742...
  • Page 42 WIRING DIAGRAM (MAIN A Side Bottom Left) C4 C44 C44 4 01 401 401 D4104 04 PR420 0 PR42 R 09 40 R 09 9 9 40 8 8 0 0 8 0 0 8 CN420 PR41 PR410 7000 00 0 D4105 125 25 496 961...

  • Page 43: (Main A Side Top Right)

    WIRING DIAGRAM (MAIN A Side Top Right) LOADING&OPN/CLS SW CN100 CN100 CN100 LUG05 LUG07 CN16 CN160 CN160 PICK-UP MLD1 V V CC LM1876TF LM1876TF VR-CD VR-CD MLD2 CD/DVD CD/DVD CLS S SW W 1 1 1 VR-DVD IC462 DGND Q 0 0 Q Q 03 03 03 Q Q Q Q 3 3 3 00...

  • Page 44: (Main A Side Bottom Right)

    WIRING DIAGRAM (MAIN A Side Bottom Right) FL L FL FL L FL L FL C4 C44 C44 4 01 401 401 87 7 8 L8 L 8 8 0 L8 L 8 8 0 87 7 80 C878 786 86 878 78 8 6 C87 7 93 93 87 7 9 9 3...
  • Page 45 WIRING DIAGRAM (MAIN B Side) A_GND A_GND MGND A_GND A_GND KEY0 KEY1 HP-IN HP-R A-GND HP-L VOL_JOG D-GND DATA -30V RESET 760KR/SS - 54 - - 55 -...

  • Page 46: Schematic Diagram (Front , Tuner)

    SCHEMATIC DIAGRAM (FRONT , TUNER) C3511 CN352 PRODUCT SAFETY NOTICE V-SW S3501 L3501 2.2U EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS GND X C3502 IDENTIFIED WITH THE IEC SYMBOL ! ! ! MARK IN THE PARTS LIST AND THE SCHEMATIC VI.GND VI.GND L3502...
  • Page 47 WIRING DIAGRAM (FRONT , SW1 BUTTON, SW2 BUTTON, MECHA SW and MECH IF) 1AD4B10D1740A C6031 SG601 SG G G G G S S S S S S G T002 94V-0 C6054 5 C C 60 0 5 05 C60 0 5 5 JW602 JW601 SG603...

  • Page 48: Wiring Diagram (Tuner , Component And Mic)

    WIRING DIAGRAM (TUNER , COMPONENT and MIC) C2314 14 C2 4 J2141 1 J214 J214 4 1 J214 R2114 4 R211 R211 R211 C C C C 211 11 C211 7 7 7 J20 1 2001 J2041 J204 041 D2455 55 D2 2 4 4 5 5 5 R2460 60 R246...

  • Page 49: Wiring Diagram (Power Supply)

    WIRING DIAGRAM (POWER SUPPLY) - 62 -...
  • Page 50 SANYO Electric Co., Ltd. OSAKA, JAPAN Mar./ '03 Printed in Japan...

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