Sansui DTV2798A, Service Manual

Page 1: ... DIGITAL TUNER SUPPLEMENT VERSION C All the specifications and features are subject to change without notice This SUPPLEMENT must be used together with SERVICE MANUAL for DTV2798 All other test and repair procedures are as shown in the ORIGINAL MANUAL Please file this SUPPLEMENT with the ORIGINAL VERSIONS ...

Page 2: ...1 769WSAA009 WASHER CRT T 1 DELETE 201 8141H60D5U SCREW TAP TITE P GW20 6 45 CH HEXAGON 8141H60D0U SCREW TAP TITE P GW20 6 40 CH HEXAGON 202 811063080U SCREW TAP TITE P BRAZIER 3 8 CH 8110630A2U SCREW TAP TITE P BRAZIER 3 12 CH 793WCDD810 GIFT BOX 793WCDD879 GIFT BOX 792WHAA097 PACKAGE TOP FRONT 792WHAA138 PACKAGE TOP FRONT 792WHAA098 PACKAGE TOP BACK 792WHA0431 PACKAGE TOP BACK 792WHAA099 PACKAGE...

Page 3: ...urs MICON VERSION and Digital TV MICON Firmware VERSION can be checked on the screen Total hours are displayed in 16 system of notation NOTE WHEN REPLACING EEPROM MEMORY IC If you set a factory initialization the total hours is reset to 0 Please refer to CONFIRMATION OF INITIAL DATA when SUM DATA is not corresponding FIG 1 INIT 00 40 CRT ON OEC7180A_12 DTV CA10E86032 INIT 1F6C ROM 3757 MICON Versi...

Page 4: ...C2416 0 1 B C2419 0 1 B C2423 0 1 B C2430 0 1 B C2435 0 1 B C2437 0 1 B C2444 0 1 B C2438 0 1 B C2445 0 1 B R2505 3 9K R2488 2 7K 1 R2489 1K 1 R2487 1K R2490 10 WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST ...

Page 5: ...DDQM0 DQ3 DQ12 DQ4 DQ11 SDDQS0 SSDDQS0 SDDQ4 DQ4 DQ5 DQ10 SDDQ5 DQ5 DQ6 DQ9 SDDQ6 DQ6 DQ7 DQ8 SDDQ7 DQ7 SDDQ0 DQ0 SSDDQS0 SSDDQS1 SDDQ1 DQ1 SDDQ2 DQ2 SDVREF SDDQ3 DQ3 SSDDQM0 SSDDQM1 SDDQ12 DQ12 SSDWE SSDCLKN SDDQ13 DQ13 SSDCAS SSDCLK SDDQ14 DQ14 SSDRAS SSDCKE SSDCS SDDQ15 DQ15 SSDA12 SDDQ8 DQ8 SSDBA0 SSDA11 SDDQ9 DQ9 SSDBA1 SSDA9 SSDA10 SSDA8 SDDQ10 DQ10 SSDA0 SSDA7 SDDQ11 DQ11 SSDA1 SSDA6 SDDQS1...

Page 6: ... AA15 VDD33 D2 MD2 AA14 D9 MD9 AA13 MD15 D1 MD1 AA12 MD7 AA11 MD14 D8 MD8 AA10 MD6 D0 MD0 AA9 MD13 AA20 MD5 AA21 MD12 WE_N MD4 RESET_N A1 AA1 MD11 MD3 A2 AA2 WAIT_N MD10 A3 AA3 AA19 MD2 A4 AA4 AA18 MD9 AA8 MD1 A5 AA5 AA7 MD8 A6 AA6 AA6 MD0 A7 AA7 D_GND AA5 RD_N AA4 A8 AA8 AA3 CS0_N A9 AA9 AA2 AA1 A10 AA10 A11 AA11 A12 AA12 A13 AA13 A14 AA14 A15 AA15 A16 AA16 A17 AA17 A18 AA18 A19 AA19 A20 AA20 A21...

Page 7: ...2438 4 7K R2430 100 R2433 100 R2432 1K R2431 1K R2440 180 WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME L2401 0 22uH LQW18AN IF_P IF_N VDD33_2 AGND VDD33_2 VDD33_2 VDD33_2 IF_AGC D_GND YOUT D_GND...

Page 8: ...473 15K R2470 22K R2469 100K R2467 100K R2453 1K WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME TU_I2C_CLK SICL0 I2C_BUS_SW TU_I2C_DATA SIDA0 SICL0 I2C_BUS_SW SIDA0 SIO_CLK IF_AGC SIO_DATA_IN TU_I...

Page 9: ...balloon number in the schematic diagram NOTE 25 26 27 21 22 23 24 19 18 POWER ON 5ms 10 0V 20 10µs 200mV 29 28 10µs 200mV 30 33 34 20µs 200mV 20µs 2V 20µs 2V 20µs 2V 10ms 0 5V 50µs 1V 50µs 1V 20µs 2V 0 1ms 1V 20µs 1V 2µs 1V 20µs 20V MICON DEFLECTION DEFLECTION AV SWITCH SOUND AMP CHROMA ...

Page 10: ... The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 37 39 36 35 38 50µs 200V 20µs 200mV 20µs 50V 20µs 50V 20µs 50V DEFLECTION AV SWITCH SOUND AMP CRT ...

Page 11: ... 111 111 111 111 104 104 PCB110 CRT PCB ASS Y 109 107 103 206 112 102B 106 102A 102B 206 206 102 206 206 206 205 110 102B 108 101 101B 101A 205 101C 205 205 205 101D 101E 101F 101E 101E 202 202 PCB070 TV MT PCB ASS Y 203 203 204 PCBDH0 DIGITAL PCB ASS Y 204 ...

Page 12: ...A0009 HOLDER CRT WIRE 110 726000A151 SHEET CRT SERVICEMAN 111 769WSAA009 WASHER CRT T 1 112 7230007075 SHEET INFORMATION 113 762WPAA006 HOLDER CRT WIRE 2 201 8141H60D5U SCREW TAP TITE P GW20 6x45 HEXAGON 202 811063080U SCREW TAP TITE P BRAZIER 3x8 203 8109I30A0U SCREW TAP TITE B WH7 3x10 204 810963080Q SCREW TAP TITE B BRAZIER 3x8 STAINLESS 205 8110630A0U SCREW TAP TITE P BRAZIER 3x10 206 8117540B...

Page 13: ...331J R METAL OXIDE 330 OHM 2W R116 R803R9105J RC 1M OHM 1 16W R504 R002T4331J RC 330 OHM 1 4W R117 R803R9102J RC 1K OHM 1 16W R505 R002T4103J RC 10K OHM 1 4W R118 R002T4101J RC 100 OHM 1 4W R506 R002T4682J RC 6 8K OHM 1 4W R119 R002T4472J RC 4 7K OHM 1 4W R507 R002T2823J RC 82K OHM 1 2W R120 R002T4470J RC 47 OHM 1 4W R508 R002T4101J RC 100 OHM 1 4W R121 R803R9100J RC 10 OHM 1 16W R510 R002T4101J R...

Page 14: ... R2418 R808R9220J RC 22 OHM 1 16W R660 R803R9105J RC 1M OHM 1 16W R2419 R808R9220J RC 22 OHM 1 16W R703 R803R9102J RC 1K OHM 1 16W R2420 R808R9220J RC 22 OHM 1 16W R704 R803R9102J RC 1K OHM 1 16W R2423 R808R9103J RC 10K OHM 1 16W R705 R002T4101J RC 100 OHM 1 4W R2424 R808R9102J RC 1K OHM 1 16W R710 R803R9821J RC 820 OHM 1 16W R2430 R808R9101J RC 100 OHM 1 16W R711 R803R9821J RC 820 OHM 1 16W R2431...

Page 15: ... CE 100 UF 6 3V or C417 P235W1224J CMP 0 22 UF 100V MKT E7EPU1101M CE 100 UF 10V C418 P4J7F3434J CMPP 0 43 UF 250V PMS C027 CS0PCH4H2J CC 220 PF 50V CH C419 C0JTB05H3K CC 0 0022UF 500V B C029 CS0PCH4H2J CC 220 PF 50V CH C420 P4N8FJ183H CMPP 0 018 UF 1 25KV C030 CS0PCH412J CC 100 PF 50V CH C421 P3G1F5223J CPP 0 022 UF 630V PP C031 CS0PB0414K CC 0 01 UF 50V B C422 P235W1224J CMP 0 22 UF 100V MKT C03...

Page 16: ... CC 0 1 UF 25V B C2408 CS0UB0N15K CC 0 1 UF 10V B C645 CS0PB0315K CC 0 1 UF 25V B C2409 CS0UB0N15K CC 0 1 UF 10V B C646 CS0PB0315K CC 0 1 UF 25V B C2410 CS0UB0N15K CC 0 1 UF 10V B C647 CS0PB0N16K CC 1 UF 10V B C2411 CS0UB0N15K CC 0 1 UF 10V B C648 E70QU3100M CE 10 UF 25 V C2412 CS0UB0N15K CC 0 1 UF 10V B C649 E70QU3100M CE 10 UF 25 V C2413 CS0UB0N15K CC 0 1 UF 10V B C650 E70QU3100M CE 10 UF 25 V C...

Page 17: ...9 D97U01501B DIODE ZENER MTZJ15B T 77 C2496 CS0UCH4Q1J CC 47 PF 50V CH D510 D28F0PRA60 DIODE RECTIFIER 30PRA60 FC C2497 CS0UCH4Q1J CC 47 PF 50V CH D511 D2LXN49370 DIODE FAST RECOVERY 1N4937 F C2498 CS0UCH4Q1J CC 47 PF 50V CH D512 D2WXSR2900 DIODE SCHOTTKY SR290 C2499 CS0UB0N15K CC 0 1 UF 10V B D513 D1VT001330 DIODE SILICON 1SS133T 77 C2501 CS0UB0413K CC 0 001 UF 50V B D514 D1VT001330 DIODE SILICON...

Page 18: ...NSISTOR KRC102SRTK B2404 024HC51023 CORE BEADS FCM1608KF 102T02 Q602 TT4T03209Y TRANSISTOR SILICON KTC3209 Y GP B2405 024HC51023 CORE BEADS FCM1608KF 102T02 Q603 TAATA12660 TRANSISTOR SILICON KTA1266 AT Y GR B2406 024HC51023 CORE BEADS FCM1608KF 102T02 Q605 TPAAB05001 COMPOUND TRANSISTOR KRA102SRTK B2410 024HC51023 CORE BEADS FCM1608KF 102T02 Q607 TT4T03209Y TRANSISTOR SILICON KTC3209 Y GP B2411 0...

Page 19: ...7 110P4220M5 R NETWORK 4D02WGJ0220TCE NR2418 110P4220M5 R NETWORK 4D02WGJ0220TCE NR2420 110P4220M5 R NETWORK 4D02WGJ0220TCE OS101 077A038004 REMOTE RECEIVER ROM V338SYN or 077A038003 REMOTE RECEIVER ROM V338SY RY501 0560V20119 RELAY ALKS321_M60 SP1001 070Y435022 SPEAKER S0509F75 SP1002 070Y435022 SPEAKER S0509F75 TH501 D8EE0B1400 DEGAUSS ELEMENT B59203 S1060 B14 or DF5EL3R0A0 DEGAUSS ELEMENT ZPB45...

Page 20: ...A B C D MODEL NUMBER and VERSION NUMBER Located on the back of the unit EX VR0100 Model no VERSION A Version no PART NO and DESCRIPTION Located in your SERVICE MANUAL See pages M1 1 M2 7 EX I235953420 STK5342 Voltage Regulator QUANTITY Mailing address and NAME EX ABC Service Center 111 Broadway NEW YORK N Y 10005 ATTN MR X Y Z DESCRIPTION PART NO ...

Page 21: ...ORION SALES INC HIGHWAY 41 ORION PLACE PRINCETON INDIANA 47670 ...