Sanyo DC-PT70 Service Manual Download Page 8 | Manualshive

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EXPLODED VIEW (CABINET & CHASSIS)

60(UK)

60(XE,SS,KR)

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SCAR

T PWB(UK,XE Only)

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Summary of Contents for DC-PT70

Page 1: ...D 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 Cautions FM antenna wire 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 30 Wiring diagram 42 REMOTE CONTROLLER RB DVD1JP ...

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: ...el 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 0PRADC9695 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 s...

Page 4: ... 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 UK model is 02 and XE model is 03 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 Regio...

Page 5: ...isappears and then the Service Mode screen is displayed again for three seconds as shown on the right You should check the settings Region2 Market BackendVersion S31204A2 LoaderVersion 17 Z09 Y03 Value 6 2 Power OFF Internal Setup Market 00 Region 1 Exit 00 WM 01 SFC 02 UK 03 XE 04 S18 05 SS 06 PA 07 AU 08 CN 09 JP 10 FXE 11 MX 12 NT 1 Internal Setup Market 00 Region 1 00 WM 01 SFC 02 UK 03 XE 04 ...

Page 6: ...of update of LCD will be GOOD BY and disappears soon 5 The disk for update is taken out 6 Next set up market code and region code by SERVICE MODE CD ROM part code is 0PRADC9695 A CAUTIONS FOR PWB OR IC ASSY EXCHANGE After an MAIN board 614 329 5587 or IC ASSY 410 507 6601 exchange should carry out loading of the software by the newest CD R and should check operation CAUTIONS FM ANTENNA WIRE The kn...

Page 7: ...420 D2453 X2451 C2457 L2151 L2153 L2451 C2451 XF233 D2103 J2210 D2153 Q2451 J2201 XF221 XF222 C2321 C2305 C2328 C2327 C2307 C2317 T2002 J2218 C2303 J2108 J2204 J2101 J2103 J2104 J2022 J2105 J2031 C2116 R_CH L_CH 9 0V GND J2016 J2017 J2019 J2216 IC231 IC241 J2211 J2033 J2015 J2025 R2109 TP11 H J2213 CN201 S2001 IC211 J2009 J2011 J2012 C2306 J2024 L2104 D2102 L2103 C2311 C2313 J2030 J2214 J2212 J202...

Page 8: ...5 Y13 Y17 Y19 Y18 Y20 Y20 Y21 Y24 Y24 Y21 Y25 Y14 Y16 Y02 1 2 3 4 5 6 7 8 9 10 13 14 15 15 72 16 71 73 30 27 25 26 62 59 61 20 18 19 21 22 11 74 12 17 53 58 51 30 54 55 56 57 52 Y03 Y03 Y07 Y09 Y10 Y09 Y10 Y12 Y07 Y08 Y03 28 29 29 Y11 52 62 63 75 SCART PWB UK XE Only ...

Page 9: ...OR LOCKING 9 614 309 7969 ASSY GEAR LID CASSETTE 10 614 330 0816 BUTTON OPERATION 11 KEYS UK 10 614 330 0809 BUTTON OPERATION 11 KEYS XE 11 614 319 6945 BUTTON RIGHT 4 KEYS 12 614 325 7974 BUTTON POWER 13 614 328 7322 SHIELD MPEG 14 614 328 7254 MOUNTING MPEG 15 614 325 5369 SPACER MECHA BASE MECHA FIX 16 614 328 7193 COVER PICK UP 17 614 328 7261 MOUNTING DVD 18 614 322 2125 ASSY GEAR LID DVD 19 ...

Page 10: ...6 5958 SWITCH PUSH 1P 1T S6114 614 220 5471 SWITCH TACT or 614 240 1002 SWITCH TACT or 645 006 5958 SWITCH PUSH 1P 1T S6115 614 220 5471 SWITCH TACT or 614 240 1002 SWITCH TACT or 645 006 5958 SWITCH PUSH 1P 1T S6116 614 220 5471 SWITCH TACT or 614 240 1002 SWITCH TACT or 645 006 5958 SWITCH PUSH 1P 1T S6117 614 220 5471 SWITCH TACT or 614 240 1002 SWITCH TACT or 645 006 5958 SWITCH PUSH 1P 1T S62...

Page 11: ... BOARD ASSY REF NO PART NO DESCRIPTION 73 614 329 5617 ASSY PWB MAIN A MP TUNER Only initial C2457 403 259 0508 NP ELECT 1U M 50V C4134 403 058 4608 POLYESTER 0 15U J 50V C4136 403 350 8403 ELECT 1000U M 16V or 403 366 5205 ELECT 1000U M 16V C4234 403 058 4608 POLYESTER 0 15U J 50V C4236 403 350 8403 ELECT 1000U M 16V or 403 366 5205 ELECT 1000U M 16V C4601 403 057 3503 POLYESTER 0 1U K 50V C4605 ...

Page 12: ...NP Q4410 405 141 3505 TR KTA1266 Y or 405 141 3406 TR KTA1266 GR or 405 004 4502 TR 2SA608 F NP or 405 004 5004 TR 2SA608 G NP Q4500 405 151 6107 TR KRA107S or 405 141 5707 TR DTA114YKA Q4501 405 151 6107 TR KRA107S or 405 141 5707 TR DTA114YKA Q4600 405 141 3703 TR KTA1271 Y or 405 008 2405 TR 2SB698 F or 405 008 2504 TR 2SB698 G Q4601 405 143 0007 TR KRC107M or 405 000 3806 TR DTC114YS Q4602 405...

Page 13: ...TERMINAL BOARD SCART P W BOARD ASSY REF NO PART NO DESCRIPTION 75 614 329 5624 ASSY PWB SCART Only initial CN301 614 310 2663 PLUG 10P or 645 006 0977 PLUG 10P CN302 645 041 8433 SOCKET RGB 21P D3000 407 206 5608 ZENER DIODE UDZS10B D3001 407 206 5608 ZENER DIODE UDZS10B D3002 407 206 5608 ZENER DIODE UDZS10B L3001 645 001 4550 INDUCTOR 10U K L3002 645 001 4550 INDUCTOR 10U K L3003 645 001 4550 IN...

Page 14: ... CN110 3P CN873 9P 10P CN100 24P PICK UP 24P CN871 OPTICAL OUT COMPOSITE OUT S VIDEO OUT CN872 CN870 CN410 7P CN490 7P CN401 2P FM A SPEAKE L CH R CH AM LO AN CN402 2P POWER SUPPLY P W B FRONT P W B DVD P W B AMP TUNER P W B PT490 AC IN WR491 WH WR490 BK CN875 10P CN301 10P SCART P W B UK XE Only CN302 A V EURO TV AUDIO IN This is a basic wiring connection ...

Page 15: ...ge 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 LDD1 LDS1 LDD2 LDS2 GND LDTH LDO...

Page 16: ... 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 Counter TR...

Page 17: ...AL Sarvo D A SGC 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 D...

Page 18: ... 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 Current sett...

Page 19: ...30 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 IC BLOCK DIAGRAM DESCRIPTION IC231 LA1844ML A...

Page 20: ...0 VREF_IN 29 VREF_OUT 28 FR FR REG_OUT 27 REG_IN 26 VIN OP 25 VIN OP 24 23 VIN3 VO_OP 22 VIN3 21 VIN2 19 20 VIN2 VIN2 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 set MUTE Match CH ON OFF H Output ON L Output OFF Output control Level shift Level shift Level shift Level shift To VREFOUT To VREFOUT Power stem GND Power ...

Page 21: ...ALC Mute Mute Logic A B Logic Rec PB Ripple Rejection Rec Amp L Rec Amp R PB Amp L PB Amp R A Rec A Rec B B 1 2 3 4 5 7 6 8 9 10 12 11 13 14 15 16 17 18 19 20 21 22 23 24 L PB AMP R PB AMP R PB NF R PB EO R PB OUT AB SW R REC OUT R REC IN REC PB SW A B SW FILTER GND VCC CRO NOR HI LO ALC L REC OUT L REC IN ALC L PB AMP OUT L PB EO L PB NF R PB AMP L PB AMP IC441 LC75342M Electric Volume CONTROL CI...

Page 22: ...ption Inputs Outputs O L L L H IC401 KIA7805API Regulator 1 2 3 1 INPUT 2 COMMON 3 OUTPUT IC881 KRX101U Switching Q1 Q2 1 5 2 3 4 IC602 801 S524A40X21 SCT0 EEPROM 1 5 6 7 2 3 4 8 Vcc GND WP SCL SDA A2 A1 A0 START STOP LOGIC LOAD DEVICE ADDRESS COMPARATOR COMP LOAD INC EN SERIAL CONTROL LOGIC DATA WORD ADDR COUNTER Y DEC H V PUMP TIMING E PROM 2 SERIAL MUX DATA RECOVERY X DEC DOUT ACK LOGIC DIN DOU...

Page 23: ...d during a Write Cycle The outputs are in tri state when OE or CE is high To activate the device when CE is low To gate the data output buffers To control the Write operations To provide power supply voltage Unconnected pins 3 0 3 6V for SST39LF200A 400A 800A 2 7 3 6V for SST39LF200A 400A 800A Address Inputs Data Input output Chip Enable Output Enable Write Enable Power Supply Ground No connection...

Page 24: ...t CLK CKE and L U DQM Masks system clock to freeze operation from the next clock cycle CKE should be enable at least one cycle prior to no command Disable input buffers for power down in standby Row column addresses are multiplexed on the same pin Row address RA0 to RA10 column address CA0 to CA7 Select bank to be activated during row address latchtime Select bank for read write during column addr...

Page 25: ...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 26: ...ed 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 C...

Page 27: ...AG 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 O 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 transition edge Controled general I O by ADP software 27 00...

Page 28: ... microcomputer software ATAPI PIO write 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 O by m...

Page 29: ...omputer 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 general ...

Page 30: ...SCRIPTION IC802 PST3627U Reset OUT GND VDD 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 ...

Page 31: ...2 16 22K 220 16 0 047 100P 100P 1500P 3300P 8 2K KTA1266 330 15K 10K 10K KRC107M KRC107M 470 470 1SS133 100 000 10 50 4 7K TA8223K TA8223K 470 47 10 330 10 470 47 10 100 16 0 15 100 16 0 15 1000 16 3300 25 82 220 25 1000 16 82 3300P 3300P 27 3000mA KTD1303 KTD1303 4 7K 4 7K 10K 1SS133 1K 1 50 1 50 1 50 15K 15K 1K 1K 000 1 50 1 50 3000mA 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 2700P 0 1 0...

Page 32: ... 10 KRA107S KRC107S 39 1 6K 1K PQ070XZ01Z 0 1 100 10 0 1 0 1 150 6 3 PQ2L2182MSP 0 01 47 25 0 1 PQ1X501M2ZP 4 7K 10 50 1 50 0 01 0 9 1000 100 10 0 1 0 1 74VHCT08A 330P 2 2U 220P 22P 330P 330P 22P 22P 22P 330P 220P 220P 220P 2 2U 2 2U 2 2U 150 150 150 150 150 150 150 150 33 100 0 1 NC7SZ157 1000 0 1 0 0 000 4 7K 4 7K 4 7K 4 7K 4 7K 4 7K 4 7K 000 33 1K 0 1 0 1 1K 4 7K 4 7K 4 7K 0 1 4 7K 4 7K 0 1 4 7...

Page 33: ...090 R1091 C1320 RN100 RN101 IC102 IC101 RN131 RN132 AVD7 AVD6 AVD5 AVD4 AVD3 AVD2 AVD1 AVD0 RN133 DREQ DACK DCLK DBGN C1891 C1892 R1601 C1658 R1603 R1605 R1607 C1650 C1600 R1606 IC160 R1604 SPD R1600 R1602 C1893 TD FD SLD DMUTE C1606 MLD1 MLD2 R1505 R1504 SLED2 SLED1 SP SP C1890 LIMIT C1894 CN162 C1702 R1706 R1610 R1333 C1084 C1085 C1086 C1087 Q1007 D1002 R1093 R1092 CN110 RN103 R1040 R1035 R1036 ...

Page 34: ...11 15 0 022 22 0 01 0 01 FM TERMINAL 0 47 50 5 6K 5 6K 0 01 33K 330 1000P 7 2M 1M 330 3 3K 27K 820K 56K MWOSC MWANT SVC342 820P 180 180 1000P 1SS133 20P 10K 0 047 560P KRA107M 10 50 0 018 36K 4 7 50 39K 0 1 4700P 1 50 100P 1K 100P 100P 1K 1K 1K 0 047 68K 10 50 10 50 12K 12K 330 0 01 KTC3193 LC72121M 1000P 27K 10K 100P 10K 22 16 0 018 0 018 0 01 470 16 10 50 0 01 100U 12P 12P 0 01 0 01 1 50 P 2 2K ...

Page 35: ... 4 3 2 1 4 5 3 2 1 1 2 3 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 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 30 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 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 40 39 38 37 36...

Page 36: ...0K 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 4 5 3 2 1 1 2 3 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 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 30 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20...

Page 37: ...581 R8583 R8584 R8586 R8824 R8724 R8820 R8720 C8821 R8821 C8721 R8721 R8823 R8723 R8585 C8511 C8521 R8520 R8511 R8512 C8501 C8502 C8532 R8004 R8005 R8006 C8004 R8008 R8009 R8011 C8005 R8016 R8014 R8012 R8013 R8092 C8007 C8006 C8041 R8521 L8440 L8400 L8420 L8410 R8063 R8062 R8061 R8054 R8053 R8058 R8057 C8051 R8052 R8051 C8037 R8049 R8048 C8036 R8047 R8046 C8049 R8045 R8040 C8053 C8054 R8044 R8028 ...

Page 38: ...AM MAIN AMP DVD B side ASPECT SW_V NC TV_RCH VGND I_P TV_LCH VGND PB RGB_BL Y RGB_BL PR RGB_RE NC COMPOSITE D_GND SW_RGB REQUEST DVD_CLK DVD_DATA_OUT DVD_DATA_IN READY GND LASER_CURRENT DVD_P CON DVD_P CON2 RF5 CD I DVD I ...

Page 39: ...2451 C2457 L2151 L2153 L2451 C2451 XF233 D2103 J2210 D2153 Q2451 J2201 XF221 XF222 C2321 C2305 C2328 C2327 C2307 C2317 T2002 J2218 C2303 J2108 J2204 J2101 J2103 J2104 J2022 J2105 J2031 C2116 R_CH L_CH 9 0V GND J2016 J2017 J2019 J2216 IC231 J2211 J2033 J2015 J2025 R2109 TP11 H J2213 CN201 S2001 IC211 J2009 J2011 J2012 C2306 J2024 L2104 D2102 L2103 C2311 C2313 J2030 J2214 J2212 J2026 J2002 J2045 J20...

Page 40: ...6114 C6114 C6113 R6221 C6221 C6311 R6311 R6113 R6111 C6214 R6212 R6211 C6011 C6118 R6150 R6151 R6153 R6154 R6156 R6152 R6155 R6250 R6251 R6120 R6121 R6252 R6253 R6255 R6256 R6254 C6001 CAN CAN R6271 R6272 IC602 C6000 R6275 R6175 R6115 CAN CAN R6001 C6021 IC601 IC603 CAN R6010 R6011 R6222 C6220 R6009 CAN CAN R6276 R6280 R6279 R6278 R6277 R6312 CAN CAN CAN CAN CAN CAN CAN CAN C6250 C6150 SG601 WIRIN...

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