Sharp LC-26SH12U Service Manual - Page 36

A B C D E F FRONT END SCHEMATIC DIAGRAM 8 (DIGITAL PCB) G H 8 7 FROM/TO PC JACK PC/HDMI_H 6 FROM/TO INTERFACE_HDMI IC RXT0_RST XRESET_HDMI FROM/TO MICON SD-H 5 AFT_1 AFT_2 AFT FROM/TO SOUND DTUNER_AUDIO_SW AUDIO_MUTE-H 4 FROM/TO AV SWITCH/JACK SW_C_OUT 3 PC/HDMI_H TU_VIDEO SIF SW_Y/CVBS_OUT FROM/TO POWER3 P.CON+5V 2 +2.5V_IO +3.3V GND C2504 220P CH C2516 220P CH R2434 75 +-1% JG2439 JG2440 JG2441 VI_ATBM GND VI_ATBP C2509 0.1 B C2510 10 C B2409 FCM1608KF-601T02 ATSC/CLEAR CABLE ASIC IC IC2401 X242 (11/14 FRONT END) C2523 0.1 B 0 C13 0 C12 2.5 A12 2.5 B12 1.2 A14 VI_ATBM VI_ATBP VI_REFM0 VI_REFP0 VI_BYPASS0 2.5 C14 2.5 C16 ADC0_AVDD_1 ADC0_AVDD_2 FAT_IFP A15 0.8 FAT_IFM A16 0.8 DNI AGC_SDMX AGC_SDM1 AGC_SDM2 B5 0 3.4 C5 A4 0 AUX_AGC JG2442 FAT_RFAGC JG2443 R2457 1K C2536 0.1 B C2537 0.1 B R2462 100 R2463 100 C2538 0.1 B C2507 10 C C2521 0.1 B C2533 0.1 B +3.3V 21 20 C2505 220P CH C2517 220P CH R2433 75 +-1% C2511 0.1 B C2512 10 C B2407 FCM1608KF-601T02 C2524 0.1 B 0 B13 0 B15 ADC0_AVSS_1 ADC0_AVSS_2 2.5 A8 2.5 B8 1.2 C9 VI_REFM1 VI_REFP1 VI_BYPASS1 2.5 B11 2.5 C10 ADC1_AVDD_1 ADC1_AVDD_2 C2508 10 C C2522 0.1 B C2534 0.1 B B2408 FCM1608KF-151T06 JG2455 L2403 2.2uH NLV25 L2401 2.2uH NLV25 C2519 0.1 B C2520 1B 0 A10 0 B9 ADC1_AVSS_1 ADC1_AVSS_2 3.4 D10 VI_AVDD33 CVBS_IN NC 0 B16 NC 0 C15 NC 0 B14 C2528 0.01 B 1.0 A13 0 C11 NC 0 A11 NC 0 B10 C2532 0.01 B 1.0 A9 VI_IN0 VI_IN1 VI_IN2 VI_IN3 VI_IN4 VI_IN5 VI_IN6 VI_IN7 R2458 4.7K R2460 4.7K R2461 4.7K R2513 4.7K R2456 4.7K R2464 4.7K GPIOC(0) GPIOC(1) 3.3 A5 3.3 C6 R2465 100 GPIOC(2) B6 3.3 GPIOC(3) GPIOC(4) A6 3.3 NC C7 3.3 GPIOC(5) B7 0 EXIT-MUTE-H GPIOC(6) A7 0 DVI_HPD1 GPIOC(7) C8 3.3 GPIOC(8) AD21 3.3 GPIOC(9) AE21 3.3 GPIOC(10) AF21 3.3 GPIOC(11) AD20 3.3 GPIOC(12) AE20 3.3 GPIOC(13) AF20 3.3 GPIOC(14) AD19 3.3 NC GPIOC(15) AE19 3.3 R2459 100 JG2446 JG2447 DVI_A_SW_COMP-H JG2449 DVI_A_SW_HDMI1-H JG2456 R2455 390 C2607 20P CH C2608 20P CH T_FAT_IFP T_FAT_IFN FAT_IFAGC PC/HDMI_H AUDIO_MUTE-H RXT0_RST SD-H AFT_1 AFT_2 XRESET_HDMI DTUNER_AUDIO_SW T_FAT_IFP T_FAT_IFN FAT_IFAGC TUNER+30V C2801 0.01 B D2801 EC11FS2-TE12L P.CON32V REG IC IC2801 LA7995M-TLM 7 C2819 50V0.47 V-S C2809 150P CH 5.0 4.2 0 0 0 17.8 33.7 14 13 12 11 10 9 8 CVCC COSC NC NC NC CP3 CP3 CP1 CP1 GND CP2 CP2 CREG COUT 1 2 3 4 5 6 7 9.4 5.1 0 17.0 9.5 30.9 30.6 6 C2808 50V 0.47 V-S C2817 50V 0.47 V-S C2818 50V 4.7 V-S C2820 50V4.7 V-S 22 23 TU2801 NC 1 NC ENG36E03KRF 0 5 NC 2 NC 0 C2803 6.3V 220 V-S C2806 0.1 B C2815 0.1 B NC 7 AGC 0 NC 8 TU P.CON+5V B2801 FCM1608KF-102T02 B2802 FCM1608KF-102T02 0 5.0 9 +5V 4 TUNER+30V C2810 0.1 B W821 C2821 0.1 B NC 0 30.0 10 NC 11 +30V TUNER_SDA R2801 100 C2811 47P CH 3.3 12 SDA TUNER_SCL R2802 100 C2812 47P CH 3.3 13 SCL AFT W820 C2813 47P CH 2.5 14 AFT SIF 1.0 15 SIF TU_VIDEO W877 1 B2804 B2803 FCM1608KF-102T02 1.0 16 V_OUT 3 FCM1608KF-102T02 5.0 17 +5V 0.8 18 IF OUT1 R2808 100 0.8 19 IF OUT2 3.4 20 IF AGC NC 21 IF OUT 0 24 25 2 C2805 L2802 27P CH 33uHNLV25T C2804 6.3V 220 V-S C2807 0.1 B C2816 0.1 B 1 H-7 NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. CAUTION:SINCE THESE PARTS MARKED BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY ATTENTION:LES PIECES REPAREES PAR UN ETANT DANGEREUSES AN POINT DE VUE SECURITE N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES A B C D E F G PCBDH0 CEF276 H 1 H-8