Sharp LC-26SB14U Service Manual - Page 42

A B C D E F POWER2 SCHEMATIC DIAGRAM 8 (POWER PCB) G H 8 7 FROM POWER INV_SW+24V SW+12V[UNREG] AT+5V P_GND INV_GND INV_GND 6 LCD+B REG BLOCK R486 1K 1/4W R487 4.7K 1/4W C458_2 50V 10 YXF R481 1K 2W R473 1K 2W C456 0.01 B CP406 A2001WR-14A +24V 1 +24V 2 14PIN 7 +24V 3 +24V 4 +24V 5 CD406 E82E1301 GND 6 GND 7 GND 8 GND 9 GND 10 NC Analog/Dimming 11 W810 ON/OFF 12 PWM/Dimming 13 NC N.C(open) 14 6 LIGHT_CTL VDIM 2A 125V W814 LIGHT_POWER_H BLON SW+12V F404 SW+12V[UNREG] 13.5 DC/DC(5V) IC IC407 LCD+B LCD+B 20N_2000FS 12.4 LA5779 5 2A 125V 12.8 EV+17V REG Q422 KTB1151 R491_1 330 VIN VOUT G 2.5V ON/OFF W836 5 R485 47K 1 2 3 4 5 12.4 5.1 0 2.5 0 R492_1 2.7K C446_1 16V 470 MHE C461 6.3V 1000 ZL C453 16V 1000 ZL D406 EC31QS04 R482 2.7K +-1% P.CON+5V R495 100 12.8 13.5 5.1 5.2 SW+12V REG 4.5 Q420 KTC3875S_Y_RTK 4.5 SW+12V REG Q423 KTC3875S_Y_RTK L408 47uH 1315 R483 R484 8.2K 820 +-1% +-1% LCD+B SW 0 Q411 KRC102SRTK 3.2 0 PANEL_POWER_H LCD-H TO SOUND P.CON+5V R493_1 2.2K R470 560 1/4W P_GND 4 P.CON+5V SW Q417 KTA1281_Y 22K R461 5.2 5.2 4.4 C491_1 R513 47 1/4W 6.3V 220 MHE R480 2.2K 3.5 3.0 2.3 P.CON+5V SW Q408 KTC3875S_Y_RTK 3 C497_1 50V 10 MHE R464 100 1/4W L404 22uH TSL0808 TO JACK2 P.CON+5V 4 FROM/TO REGULATOR SW+12V VDIM BLON 3 LCD-H LCD+B P.CON+5V SYS_POWER_H P.CON+5V AT+5V SYS_POWER_H P_GND 2 2 1 H-27 2A 125V CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUS2EA 125V(F404). ATTENTION:POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE N'UTILISER QUE DES FUSIBLE DE MEME TYPE 2A 125V(F404). CAUTION:F404 IS MANUFACTURED BY SKYGATE CO.,LTD., TYPE 20N. 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 A B C D E PCB240 CEG353 ATTENTION:LES PIECES REPAREES PAR UN ETANT DANGEREUSES AN POINT DE VUE SECURITE CAUTION: DIGITAL TRANSISTOR N'UTILISER QUE CELLS DECRITES 1 DANS LA NOMENCLATURE DES PIECES F G H H-28