Sharp LC-26SB14U Service Manual - Page 41

A B C D E F G H POWER SCHEMATIC DIAGRAM 8 F401 6.3A125V 6.3A 125V 51MS063L 1 C402 275V 0.22 ECQUL R404 1.2M 1W RCR60 CD3805 P201-2739-1 BLACK 2 J401 YKE31-0149N FH401 EYF-52BCY BLACK CP404 FH402 003P-2100 EYF-52BCY D404_1 ENE241D-10A-Q6 1 WHITE WHITE 7 D402 1 2 3 4 COIL,LINE FILTER L401 SS30V-R200132 SH402 YQ-12 SH410 YQ-12 DE37-452M ENE271D-10A D403 6 C464 250V 0.0022 KX C448 275V 0.22 ECQUL 12 34 COIL,LINE FILTER L402_1 SS11V-R22020-CH (SMALL) D415 1N4005-EIC 20.46 VCC SW Q401 19.75 KTA1281_Y 20.46 R463 22K D408 1SS133 R401 10K 1/4W R466 22K C455_1 200V 47 PX C493_2 35V 100 MHE C426 1B C429 0.1 B (POWER PCB) SW REGULATOR CONTROL IC IC402 MIP2F4 164.0 5 D 00 78 SS Vcc CL FB Vdd 4 3 2 1 16.0 2.5 1.0 5.9 R433 270K C428 0.001 B R506 100 1/4W PROTECT Q404 KTA1504S_Y_RTK 7.1 0 0 D424 MTZJ3.3B R469 10K C431_1 50V 10 YXF R537 R535 R534 R533 R532 R531 220K 220K 220K 220K 220K 220K R540 100K C483 50V 10 180K 180K YXF R545 220K R549 10K R497 1 1W D432_2 RL106F-E R436 68K 1/2W C430 T402 166.0 1 0 NC 2 R447 15 1/4W 81190084 10 0 NC 9 36.4 2KV 0.0022 R 166.0 3 0 4 8 5.2 0 7 D443 31DQ09-FC 0 5 6 0 NC D442 R445 R539 R538 180K 180K R548 180K R543 R542 R437 166 166 9.0 2.2 1/4W SW Q418 2SA1759_T100 R541 180K D433 1H3-E R441 15K 5.0 FEED BACK IC410 1H3-E 100 1/4W PS2561AL1-1-V(W) R443 1K 1.0 5.0 R546 10K 5.0 BUFFER D BUFFER Q424 16 G Q425 KTC3875S_Y_RTK SSM3K302T R544 16 0 S 5.0 220K 5.0 R444 2.2K CATHODE ANODE REFERENCE C440_1 C441_1 6.3V 2200 ZL 50V 2.2 YXF D444 1F5-E R523 C442_2 50V 47 YXF C444_2 6.3V 2200 ZL L413 10uH TSL0808 R458 R460 D445 MTZJ15B R452 10K 5.2 4.4 1K 1/4W POWER FAIL SWITCH 5.2 R505 Q416 KTA1504S_Y_RTK 18K R454 R455 REGULATOR IC IC404 KIA431A-AT 3 2 1 4.0 0 2.5 R451 C443 1K 0.01 B R456 47K 100K AT+34V AT+5V P_GND POWER_FAIL 2.2K +-1% 2.2K +-1% 330 +-1% 8 7 TO POWER2 AT+5V INV_SW+24V SW+12V[UNREG] INV_GND P_GND 6 34 R476 10K 21 0.1 B R521 22K W889 D418 1N4005-EIC C406 250V 0.0022 KX C405 0 0 0 0 0 R475 D413 INV_SW+24V 34 21 R494 1K C419 2.2 B C495 2.2 B R472 2.2K VCC SW Q403 6.6 KRC102SRTK0 PROTECT Q405 0 KTC3875S_Y_RTK 0 POWER SW IC406 OVP PROTECT 220 1/4W IC405 MTZJ30B 0 PS2561AL1-1-V(W) D0 R478 470 1/4W AT+5V TO SOUND 34 21 R439 1K PS2561AL1-1-V(W) 0.3 0.3 1.176 G 2.2 SOFT SWITCH S Q412 0 SSM3K302T R477 4.7K 1/4W SYS_POWER_H P_GND SOUND+B SOUND_GND 5 D405 R412 B404 R429 1M 1/4W RCR C423 T401 81400854 B401 1.0 0 6.0 D416 31DQ06-FC 1N5406FL-6737 POWER CONTROL IC 0.22 1W W5RH3.5X5X1.0 630V 0.082 FGSM W5RH3.5X5X1.0 8 9 C424_1 2KV 220P R W840 P_GND FROM/TO REGULATOR 5 IC401 MP3A5038 D421 R428 EC31QS04 330 1/2W 0 12.5 7 10 SOUND+B AT+5V POWER_FAIL R536 0 D435 W887 AT+34V R522 47K 1/4W C433_1 35V 1000 ZL C462_1 16V 1000 ZL 1SS133 1SS133 39K 1/2W R511 10K 1/2W R471 75K 165.6 MTZJ27B D425 Q1-d&Q2-s Q1-d&Q2-s Q2-g Q2-d Q2-d C403_1 200V 390 EE R434 1.2 7W D410 1SS133 165.6 R431 R420 47K R508 Q1-s Q1-s S-GND P-GND Vcc Vref IS FB CON VW Q2 DRIVE270 1/2W 11 ERC91-02 Q407 219 0 KTA1281_Y 5 12 MTZJ27B 165.6 D426 D427 47K 4 5 7 8 10 11 12 13 14 15 18 19 20 22 23 159.0 159.0 0 24.5 165.6 165.6 165.5 323.0 323.0 R406 0.047 1W 0 0 0 0 19.0 5.0 0 2.5 1.3 1.3 216.3 NC 4 13 C475 0.0018 M D411 C408 R416 Q2 DRIVE 165 24.5 D440 C404_1 200V 390 EE W834 R410 470P B Q406 3 14 YG862C15R 4 820 1/4W C409 10 1/4W 2SC2120Y 165 19.0 2 15 1B R423 219 0 R432 C401 W886 R411 D407 2.2K 1/2W 1 16 22 1W 2KV 0.0015 R 1N5406FL-6737 10K R421 HS403 C418 R498 2.2K 1/2W 763WAA0367 D437 0.001 100 1/4W FCH10A20 NC NC B 31 2 C435_1 25V 1000 ZL R528 100 1/4W SOUND_GND SYS_POWER_H P_GND L411 SW+12V[UNREG] TO JACK2 10uH AT+5V P_GND P_GND 4 INV_SW+24V 31 2 C434_1 35V 1200 ZL C438_1 35V 1200 ZL D412 MTZJ3.9B C412 0.1 B C407_3 35V 100 3 MHE R414 10K HS405 763WAA0365 W822 INV_GND 3 R417 100K C411 1B C414 0.0022 B 2 6.3A 125V CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE 6.3A 125V(F401). ATTENTION:POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE N'UTILISER QUE DES FUSIBLE DE MEME TYPE 1 6.3A 125V(F401). NOTE:THE RESISTOR MARKED F IS FUSE RESISTOR. THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP IS NON POLAR ONE. A B H-25 R448 39K +-1% R449 6.8K +-1% R467 75K +-1% CAUTION: IS THE LIVE CONNECTION 34 21 R435 1K C494_1 50V 4.7 MHE CATHODE ANODE REFERENCE R438 2.2K 1/4W 2.5 0 FEED BACK IC408 PS2561AL1-1-V(W) 20.5 19.4 SH406 YQ-12 R503 470 1/2W C439 C437_1 220P B R446 100V 0.033 MMTS 10K REGULATOR IC IC403 KIA431A-AT 3 19.4 21 0 2.4 R450 3.9K +-1% P_GND 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. ATTENTION:LES PIECES REPAREES PAR UN ETANT DANGEREUSES AN POINT DE VUE SECURITE N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES C D E CAUTION:SINCE THESE PARTS MARKED BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY CAUTION: DIGITAL TRANSISTOR F G 2 PCB240 CEG353 1 H H-26