Sanyo DC-TS780 Service Manual Download Page 1

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FILE NO.

Service Manual

CONTENTS

DVD Home Theater
System

DC-TS780

(AU)

PRODUCT CODE No.
129 688 05

REFERENCE No.

5810561

Laser beam safety precaution .......................................... 1

DVD Mechanism Replacement ........................................ 1

Service mode ................................................................... 2

Important Note ................................................................. 5

How to load software for MPEG P.W.Board .................... 5

Cautions for PWB or IC assy exchange ........................... 5

How to take out a disk ...................................................... 5

Tuner adjustment ............................................................. 6

Exploded View (Cabinet & Chassis) ................................ 7

Parts List .......................................................................... 8

Wiring Connection ........................................................... 13

IC Block Diagram & Description ....................................... 14

Schematic Diagram .......................................................... 34

Wiring diagram ................................................................. 42

REMOTE CONTROL RB-TS780

Summary of Contents for DC-TS780

Page 1: ... 1 DVD Mechanism Replacement 1 Service mode 2 Important Note 5 How to load software for MPEG P W Board 5 Cautions for PWB or IC assy exchange 5 How to take out a disk 5 Tuner adjustment 6 Exploded View Cabinet Chassis 7 Parts List 8 Wiring Connection 13 IC Block Diagram Description 14 Schematic Diagram 34 Wiring diagram 42 REMOTE CONTROL RB TS780 ...

Page 2: ...isconnect while power is on Connecting or disconnecting signal wires or the main power cord when the power is on may destruct the unit or fixture When connecting push all the way in securely An insufficient insertion may cause a bad contact leading to an erroneous operation Do not connect or disconnect roughly by an excessively strong force or a broken wire or bad contact may result Semiconductors...

Page 3: ...rket 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 0PRADC9687 A A 2 When replacing a DVD substrate While Market Region information are undefined the message Region Undefined is displayed on the screen NOTE Even if the condition is not under 1 or 2 above if the message Region Undefined is displayed be sure...

Page 4: ...the Market denotation push numeric buttons on the remote controller When you push wrong number push CLEAR button The indicator reset to 00 Be sure to input by double figures Maket code of this model is 07 3 2 Specify the code of the model in accordance with the Market Region Setup Table above 3 3 Once the desired code is displayed push p button to move the highlighted indicator to the Region input...

Page 5: ...4 above 5 2 After ensuring that the settings are all correct push ENT button while the indicator is on Exit area The settings are now saved 6 Finishing settings 6 1 After a few seconds the Internal Setup screen disappears and then the Service Mode screen is displayed again for three seconds as shown on the right You should check the settings Region1 Market BackendVersion S31204A2 LoaderVersion 17 ...

Page 6: ...2 It take on CD ROM for UPDATE software to the tray and tray close 3 For the time being tray open and FL display remain UP DATING 4 When software loading finished GOOD BY on a FL display disappears 5 Next set up market code and region code by SERVICE MODE CD ROM part code is 0PRADC9687 AA CAUTIONS FOR PWB OR IC ASSY EXCHANGE After an MAIN board 614 330 2926 or IC ASSY 410 510 2805 exchange should ...

Page 7: ...screw driver for adjustments MODE ST Stereo Speaker impedance 8 ohms TUNING FM 87 5 108MHz AM 522 1710 kHz 24 20 13 12 10 1 24 20 13 12 10 1 IC241 LC72121M LC72722 IC231 LA1844 TA8176S SH201 94V 0 F01 TP11 H TP12 E 0V ADJ R2303 1AD4B10D2210C 12V X2451 D2301 L2503 R2101 L2103 C2301 C2122 XF231 CN203 CN201 IC211 XF233 B2101 D2102 D2101 XF222 XF221 L2101 L2102 C2311 C2317 R2113 C2465 C2327 C2307 C230...

Page 8: ...1 12 13 14A 15 52 53 55 56 54 15 16 17 18 58 51 Y01 Y03 Y04 Y04 Y05 Y05 Y05 Y05 Y01 Y06 Y07 Y07 Y08 Y09 Y09 Y10 Y10 Y12 Y13 Y14 Y15 Y17 Y17 Y18 Y19 Y20 Y11 Y11 Y07 22 21 14B 20B 20D 20E Y06 23 54 54 54 54 MAIN P W Board s figure is reference figure 74 S VIDEO SOCKET Except XE UK Y01 UK XE SS KR US CA AU JP TW ...

Page 9: ...EON SLOT 2 614 330 0069 ASSY CABINET FRONT 3 614 328 9081 BUTTON EJECT EJECT 4 614 326 1964 KNOB VOLUME JOG VOLUME 5 614 326 1841 DEC RING VOL RING VOL 6 614 328 9074 BUTTON POWER POWER 7 614 327 4476 CAP BUTTON FUNCTION CAP 8 614 329 7802 BUTTON FUNCTION PLAY STOP 9 614 330 0083 CABINET TOP SIDE 11 614 316 1417 MOUNTING IC IC HEAT SINK 12 614 291 6568 MOUNTING PWB IC HEAT SINK 13 614 328 9142 HEA...

Page 10: ...107S or 405 141 5707 TR DTA114YKA R2101 401 017 0708 CARBON 270 JA 1 4W R2301 401 017 0708 CARBON 270 JA 1 4W R2311 401 017 0708 CARBON 270 JA 1 4W R2455 401 016 2505 CARBON 220 JA 1 4W SH201 614 325 5796 SHIELD FM ANT X2451 645 023 4965 OSC CRYSTAL 7 2MHZ XF211 645 026 2975 FILTER BP 108MHZ or 614 252 1045 FILTER LC XF221 645 010 7665 CERAMIC FILTER 10 70MHZ or 614 231 0199 FILTER or 614 030 5074...

Page 11: ...1A 7T or 410 453 9602 IC LC3816161ET 70 MPB or 409 482 0209 IC K4S161622D TC80 or 409 482 0209 IC K4S161622D TC80 IC850 409 534 5800 IC PQ2L2182MS IC870 409 540 1605 IC LC708746V L1002 645 034 7887 INDUCTOR 1000 OHM or 645 020 1813 INDUCTOR 1000 OHM or 645 045 7869 IMPEDANCE 1000 OHM P L1302 645 034 7887 INDUCTOR 1000 OHM or 645 020 1813 INDUCTOR 1000 OHM or 645 045 7869 IMPEDANCE 1000 OHM P L4100...

Page 12: ...00 RESISTOR 4 7 J 1W R4751 402 082 1300 RESISTOR 4 7 J 1W R4758 402 082 2802 RESISTOR 10 J 1W R4759 402 082 2802 RESISTOR 10 J 1W R4851 402 082 1300 RESISTOR 4 7 J 1W R4858 402 082 2802 RESISTOR 10 J 1W R4859 402 082 2802 RESISTOR 10 J 1W R4867 402 082 1300 RESISTOR 4 7 J 1W RN100 645 057 4252 R NETWORK 8 2KX4 1 16W RN101 645 057 4290 R NETWORK 47KX4 1 16W RN410 645 058 5043 R NETWORK 4 7KX4 1 16W...

Page 13: ...3 215 2201 CERAMIC 0 01U K 50V C6303 403 215 2201 CERAMIC 0 01U K 50V CN630 614 328 1085 ASSY WIRE HP MAIN CN631 645 053 5215 JACK PHONE D3 6 HP L6300 645 006 9864 INDUCTOR 80U L6301 645 006 9864 INDUCTOR 80U L6302 645 001 4550 INDUCTOR 10U K LUG60 645 023 8987 FIXER LUG61 645 023 8987 FIXER SG630 645 055 3202 SURGE ABSORBER SG631 645 055 3202 SURGE ABSORBER SG632 645 055 3202 SURGE ABSORBER ...

Page 14: ...N412 9P CN411 4P CN498 4P CN496 13P CN497 11P CN201 CN491 CN493 CN490 CN492 CN470 S VIDEO OUT Except UK XE COMPONENT VIDEO OUT VIDEO OUT VIDEO AUDIO OUT TUNER P W B MAIN_DVD P W B POWER SUPPLY P W B VR P W B FRONT P W B POWER SW P W B AC IN AM LOOP ANT FM ANT L L R R CENTER FRONT SUBWOOFER SURROUND SPEAKERS FU401 125V 4A WR402 BK WR401 WH P T DVD MECHANISUM BOARD TO BOARD SCART SOCKET UK XE only T...

Page 15: ... 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 1G a d f h j k Col g m c e r p n d Dp 2G a d f h j k Col g m c e r p n d Dp 3G a d f h j k Col g m c e r p n d Dp 4G a d f h j k Col g m c e r p n d Dp 5G a d f h j k Col g m c e r p n d Dp 6G a d f h j k Col g m c e r p n d Dp 7G a d f h j k Col g m c e r p n d Dp 8G a d f h j k Col g m c e r p...

Page 16: ... PH discharge coeffcient change RF servo signal gain up RF EQL band change TE output change WO output change Power supply Servo system Tracking hold H hold Tracking bottom band change High band Servo gain control RREC FE PP TE Terminal No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Symbole CAP VCC PDRF PD1 PD2 PD3 PD4 GND FIN1 FIN2 PIN1 PIN2 TIN1 TIN2 LDD...

Page 17: ...R PCK JVAO JVAIN JVRVO JVCPC JVCPI XIN XOUT X16MIO DVDCKIO VPDO VCOC VRPFR HDAT 7 0 HADR 12 0 HRDB HWRB HCSB HWAITB HWAITB FDO TDO SLDO SPDO SGC TBAL FBAL BST FO TSTDO TSTDI TESTO HFLIO EMPH FSX EFLG DOUT LRSY ROMCK ROMXA C2F MD 15 0 MA 10 0 MRASLB MRASUB MCASLB MOEB MWEB AVACKO AVREQI AVDACK AVSCTB AVERRB AVD 7 0 A D Block D A Block Servo Block SLC Block 8 bits A D 8 bits D A MPX RF I F Block FC ...

Page 18: ...Sarvo D A SLDO Sarvo D A SPDO Sarvo D A TDO Sarvo D A FDO Internal logic power source Digital 2 5V Digital GND FG Counter input General purpose port in output Interrupt signal output Wait signal output Servo reset input Reag reset input Write signsl input Chip select signal input DTA BUS 0 I O Power source Digital 3 3V Supplementation Digital GND Data bus 1 Data bus 2 Data bus 3 Data bus 4 Data bu...

Page 19: ...bus 7 EFM 2 value signal output EFM playback shift clock output Internel logic power source Digital 2 5V Digital GND VCO filter connect Phase comparison filter connect Frequency comparison filter connect Filter connect 1 Filter connect 2 Filter connect 3 Voltage monitor pin Phase comparson charge pomp PCH control voltage Current setting pin for the constant current phase comparison charge pomp Cur...

Page 20: ... NC No Connect CONTROL LOGIC DATA IN BUFFER CLOCK GENERATOR DATA OUT BUFFER COLUMN ADDRESS BUFFER REFRESH CONTROLER REFRESH COUNTER ROW ADDRESS BUFFERS 9 9 A0 A1 A2 A3 A4 A5 A6 A7 COLUMN DECODER OE 16 ROW DECODER 512 x512 x 16 MEMORY ARRAY 16 SENSE AMPLIFIERS I O GATING 8 512 x16 VCC VSS IO0 IO15 RAS CASH 512 512 9 9 9 9 9 CASL VBB GENERATOR WE 16 A8 IC402 KA78R12STU Regulator OVERVOLTAGE PROTECTI...

Page 21: ...4 15 16 17 18 Name FWD REV VCC2 VLO VLO VO4 VO4 VO3 VO3 VO2 VO2 VO1 VO1 VCCP1 VCCS VIN1 VIN1 VIN1 No 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Name VIN2 VIN2 VIN2 VIN3 VIN3 VO OP VIN OP VIN OP REG_IN REG_OUT VREF_OUT VREF_IN VIN4 VIN4 MUTE234 MUTE1 VCONT S_GND REV CH1 CH2 3 4 44k 11k 44k REG IN REG OUT VCC 11k 44k 44k 11k 11k Input Thermal shutdown Signal stem GND Load outout voltage s...

Page 22: ... 304kHz AM RF AMP AM MIX AM OSC ALC BUFF P DET FF 19k 2 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 2 1 24 17 16 3 4 5 6 18 15 7 8 9 10 11 14 19 20 21 22 13 Vssx XIN XOUT FMIN AMIN CE DI CL DO VDD Vssd PD AIN AOUT Vssa IFIN IO1 IO2 BO1BO2 BO3 BO4 PHASE DETECTOR CHARGE PUMP UNLOCK DETECTOR UNIVERSAL COUNTER REFERENCE DIVIDER SWALLOW COUNTER 1 16 1 17 4bits 12bits PROGRAMMABLE DIV...

Page 23: ... 34 35 36 37 28 26 XIN XOUT VSS VCC CNVSS RESET P4 4 INT 3 PWM P4 3 INT 2 P4 2 INT 1 P4 1 INT 0 P4 0 CNTR 1 V REF AV SS P2 7 CNTR 0 S RDY P2 6 S CLK P2 5 SCL 2 T X D P2 4 SDA 2 R X D P2 3 SCL 1 P2 2 SDA 1 P2 1 X CIN P2 0 X COUT P3 0 AN 0 P3 1 AN 1 P3 2 AN 2 P3 3 AN 3 P3 4 AN 4 P0 0 P0 1 P0 2 P0 3 P0 4 P0 5 P0 6 P0 7 P1 0 P1 1 P1 2 P1 3 LED 0 P1 4 LED 1 P1 5 LED 2 P1 6 LED 3 P1 7 LED 4 1 2 3 4 8 7 ...

Page 24: ...de SW1 5 1ch Mode SW2 DVD 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k LINE R L MIX LINE R L MIX TNF2 TNF1 BNF11 BNF21 BNF12 BNF22 BBNF2 OUT2 BBNF1 OUT1 AGND8 AGND7 VCC AGND6 VEE AGND5 MUTE CL DA DGND AGND4 GOUTSR VINSR AGND3 IN31 IN32 IN41 IN42 IN51 IN52 IN61 IN62 IN71 IN72 IN81 IN82 INDVDSR INDVDSL INDVDC INDVDSW OUT2 OUT2 OUT1 OUT1 IN1D...

Page 25: ...CD 2 1 GND 1 VDD OUT CD 2 4 3 3 4 RD Vref PIN No 1 2 3 4 PIN NAME GND VDD CD OUT FUNCTIONS GND Pin VDD Pin Voltage Detect Pin Capacitor Connect Pin with Delay Reset Signal Output Pin IC850 PQ2L2182MS Regulator 3 1 5 4 2 CONTROL IC412 KA7805R Regulator CURRENT GENERATOR REFERENCE VOLTAGE STARTING CIRCUIT ERROR AMPLIFIER SOA PROTECTION THERMAL PROTECTION SERIES PASS ELEMENT 1 INPUT 3 OUTPUT 2 GND IC...

Page 26: ...n N Channel Open Drain This pin outputs scrial data at the falling cdge of the shift clock starting from the lower bit Data Input Pin This pin inputs serial data at the rising cdge of the shift clock starting from the lower bit Clock Input Pin This pin reads serial data at the rising cdge and outputs data at the falling cdge Serial Interface Strobe Pin The data input after the STB has fallen is pr...

Page 27: ...VDDP MEMCS0 GNDO MEMCS1 MEMCS2 MEMDA15 MEMDA7 MEMDA14 MEMDA6 MEMDA13 MEMDA5 VDDP MEMDA12 GNDP MEMDA4 MEMDA11 MEMDA3 MEMDA10 MEMDA2 MEMDA9 MEMDA1 MEMDA8 MEMDA0 VDDP DUPRD GPCIO19 GPCIO14 GPSIO13 GPCIO12 GPSIO11 GPCIO10 ATDD7 ATDD8 ATDD6 ATDD9 ATDD5 ATDD10 GNDP ATDD4 VDDP ATDD11 ATDD3 ATDD12 ATDD2 ATDD13 ATDD1 ATDD14 ATDD0 ATDD15 ATIOMV VDDC ATIOR GNDC ATIORDY ATINTRG GNDP ATDA2 VDDP ATDA1 ATDA0 ATC...

Page 28: ...general I O by microcomputer software Use general interrupt I Controled general I O by microcomputer software Use general interrupt I SSC mode synchronization communication data reception Controled general I O by microcomputer software SSC mode synchronization communication data transmission Controled general I O by microcomputer software SSC made synchronization communication clock reception Cont...

Page 29: ...ta I ITU R656 conform Y C multiplex digital video O CPUJTAG data O Probe UART data O Audio master clock I O 128 192 256 or 384fs sampling frequency Programable use S PDIF O N C Digital stereo audio serial data O Digital stereo audio serial data I Digital stereo audio bit clock O Palarity is programable Digital stereo audio LR clock O AOUT and AIN data output or latch clock trailing edge or last tr...

Page 30: ... I O by microcomputer software ATAPI PIO read signal O Controled general I O by microcomputer software ATAPI PIO ready signal I Survo DSP ready signal I Controled general I O by microcomputer software ATAPI data I O Controled general I O by microcomputer software ATAPI address signal O Controled general I O by microcomputer software ATAPI address signal O CD DSP error signal I Controled general I ...

Page 31: ...ocomputer software ADC analog I SDRAM data I O SDRAM address O SDRAM low select O Active low SDRAM column select O Active low SDRAM clock O Same internnal process clock SDRAM data mask O Active high SDRAM bank select O SDRAM chip select O Active low SDRAM write enable O Active low External memory data I O External memory address O Used MEMAD 18 16 for PLL debug Externaal address O Controled genera...

Page 32: ... A18 A10 DQ15 DQ0 CE OE WE BYTE RY BY WP RESET VDD VSS Pin Name Bank Selective Address Flush Bank Address Flush Bank Block Address Flush Bank Sector Sddress Data Input Output Chip Enable Output Enable Write Enable Bait Pin Ladey Beje Output Write Protect Reset Power Supply Ground Functions Selects bank 1 when L and bank 2 Sapply address for flush bank Select flush bank for erease Select flush bank...

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