Sharp LC-26SH12U Service Manual - Page 38

A B C D E F G POWER3 SCHEMATIC DIAGRAM 8 REG+9V IC IC3404 BA00BC0WFP (DIGITAL PCB) FROM/TO SOUND SOUND_GND SOUND+B AT+5V 7 P.CON+5V P.CON+9V GND V_C V_IN GND V_OUT V_ADJ 1 2 6 4 5 5.0 12.0 0 9.0 4.5 SW+1.5V[DTV] SW+12V AT+5V SW Q3406 2SB1132 5.0 5.0 R3437 220 P.CON+9V P.CON+5V R3439 1.8K +-1% FROM/TO POWER2 R3424 0 22K P.CON+5V C3414 16V47 SJV R3440 12K +-1% C3412 16V47 SJV R3430 1K R3432 1K CP3401(CP411) 127301123K2 1 SOUND+B 2 SOUND+B 3 SOUND GND B3406 HCB3216KF-391T20 SOUND+B SOUND_GND R3433 47 R3441 2.2K +-1% 4 SOUND GND 5.0 6 5 GND 6 GND 7 GND 8 SW+12V 9 SW+12V 10 LCD+B 11 SYS_POWER_H 12 LIGHT_POWER_H 13 INVETER_H 14 AT+5V S801X B3407 HCB3216KF-391T20 B3403 FCM1608KF-102T02 B3404 FCM1608KF-102T02 B3405 FCM1608KF-102T02 B3408 HCB3216KF-391T20 SW+12V POWER_ON-H LIGHT_CTL INVETER_H AT+5V C3404 0.22 B 5.0 0 SW Q3408 KRC102SRTK S802Y 4.7 4.7 4.7 4 5 6 S D D LCD+B POWER_ON-H LCD+B LCD+B_SW IC Q3410 RSQ035P03 R3438 10K 15 AT+5V 16 POWER FAIL 5 17 GND 18 GND 19 GND 20 DTV+B2 21 DTV+B2 22 DTV+B 23 DTV+B W851 POWER_FAIL GND B3409 SW+4V[DTV] HCB3216KF-391T20 B3410 SW+1.5V[DTV] HCB3216KF-391T20 LCD-H R3442 1K 5 R3436 2.2K G D D 3 2 1 0.8 4.7 4.7 0 LCD+B_SW Q3407 KRC102SRTK 0 SW+4V[DTV] C3413 0.1 B R3402 3.3K C3419 1B C3410 2.2 B C3420 0.01 B SW IC3403 BD3504FVM 2.5 NRCS 4321 0 GND 1.8 EN 5.0 Vcc 5678 VD 0.8 G 1.0 VS 1.0 VFB 0.3 R3434 1K R3435 4.7K 4 FROM/TO MICON DTV_ON-H AT+5V POWER_FAIL POWER_ON-H INVETER_H LCD-H LIGHT_CTL P.CON+5V GND AT+5V 5.0 5.0 W815 SW 3.8 Q3402 R3401 2SB1132 47K DTV_+5V REG+3.3V IC IC3401 PQ035ZN1HZPH 220 6.3V 100 V-S C3401 R3403 560 R3405 560 R3407 W840 V_IN 1 5.0 V_C V_OUT V_ADJ GND 2 6 4 5 4 3.3 1.3 0 R3410 4.7K +-1% 3 FROM/TO FRONT END P.CON+5V R3425 220 C3402 1B R3408 1K +-1% R3409 22 FROM/TO AV SW/JACK P.CON+9V P.CON+5V GND FROM/TO PC JACK P.CON+9V P.CON+5V 2 GND DTV_ON-H 5.3 W816 3.1 SW 0 Q3401 KRC103SRTK SH3401 SH3402 SH3403 SH3404 SH3405 YQ-36 YQ-36 YQ-36 YQ-36 YQ-36 C3409 10 B R3411 C3447 0.1 B C3417 0.22 B R3416 2.7K 3.9K +-1% R3415 R3413 R3412 3.9K 2.2K +-1% +-1% C3423 390 +-1% R3418 R3406 3.3K +-1% 8765 C3422 2.2 B R3422 2.2K +-1% R3421 4.7K +-1% R3420 560 +-1% C3424 10 B C3430 0.1 B 1.5 S 1.5 S 1.5 S 1.5 S 1234 G 1.0 D 1.0 D 1.0 D 1.0 REGULATER IC Q3405 RSS065N03FL16TB B3402 HCB3216KF-391T20 VDDC_1.0V C3433 2V 150 CD C3426 22 B C3427 22 B C3437 10 B 0.022 B 220 C3421 22 B 22 B C3428 D3403 EC11FS2-TE12L D3406 EC31QS04 1.8V_REG IC IC3408 BD7820FP V_C V_IN 1 2 2.8 2.8 GND V_OUT V_ADJ 6 4 5 0 1.9 0.7 R3446 10 +-1% C3450 10 B C3451 6.3V 220 SJV R3448 R3447 680 +-1% 1K +-1% C3448 0.1 B C3449 2.2 B REG+2.5V IC IC3402 BD7820FP V_C Vin GND Vout Vadj 1 2 6 4 5 3.2 4.0 0 2.5 1.3 R3423 3.3K REG+1.8V IC IC3405 BD7820FP V_C Vin GND Vout Vadj 1 2 6 4 5 3.2 4.0 0 1.8 1.3 DTV_+5V +3.3V +2.5V_IO MEM[1.8V] C3425 2.2 B R3429 R3428 680 +-1% 820 +-1% R3427 150 +-1% C3434 10 B C3436 6.3V 220 SJV C3446 6.3V 220 SJV NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE 1 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 CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY ATTENTION ARE :LES PIECES REPAREES PAR UN ETANT DANGEREUSES AN POINT DE VUE SECURITE N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES CAUTION: DIGITAL TRANSISTOR A B C H-11 D E F G H 8 FROM/TO AV OUT P.CON+9V FROM/TO INTERFACE_HDMI IC 7 P.CON+5V HDMI_+1.8V GND +3.3V FROM/TO ASIC GND VDDC_1.0V +3.3V +2.5V_IO FROM/TO LVDS 6 LCD+B GND +3.3V FROM/TO FLASH GND DTV_+5V +3.3V 5 FROM/TO FRONT END +3.3V GND +2.5V_IO FROM/TO VIDEO AD CONVERTER +3.3V +2.5V_IO GND 4 FROM/TO AV OUT GND +3.3V +2.5V_IO 3 FROM/TO SDRAM +2.5V_IO +3.3V VDDC_1.0V MEM[1.8V] GND 2 PCBDH0 CEF276 1 H H-12