Sharp LC-26SB14U Service Manual - Page 43

A B C D E F REGULATOR SCHEMATIC DIAGRAM 8 (POWER PCB) G H 8 7 FROM/TO POWER2 SW+12V VDIM BLON LCD-H LCD+B P.CON+5V SYS_POWER_H 6 FROM/TO POWER POWER_FAIL AT+34V AT+5V SYS_POWER_H P_GND 5 4 AT+5V AT+34V TU+32V SW Q409 KTA1504S_Y_RTK 36.4 36.4 R502 R496 35.8 1.5K 1/4W 22K R501 22K 1/4W P.CON+5V P_GND P.CON SW 0 Q410 KRC102SRTK 5.2 0 9V REG. IC409 KIA7809API D401 MTZJ33B C425 4.7 B REGULATOR IC411 S-1170B33UC-OTSTFG 3.27 5 OUT 5.37 4 IN ON/OFF GND NC 1 2 3 5.35 0 NC R430 1K C500_2 25V 100 MHE C502_2 16V 100 MHE SW+12V IN 1 12.4 GND OUT 2 3 0 9.06 P_GND SH407 YQ-12 SH404 YQ-12 C436 6.3V 4.7 B AT+3.3V P_GND TUNER+30V P.CON+9V 3 2 FROM/TO REGULATOR2 CP401 (CP3001) 127301123K2 1 TUNER+30V 2 POWER_FAIL 3 SYS_POWER_H 4 AT+3.3V 5 GND 6 P.CON+5V 7 AT+5V 8 AT+5V 9 GND 10 GND 11 LCD+B 12 LCD+B 13 LCD_H 14 P.CON+9V 15 GND 16 GND 17 STBY_H 18 SW+12V 19 REMOCON_IN 20 LIGHT_CTL 21 KEY_A NC 22 LIGHT_POWER_H 23 KEY_B NC C498 100P B C452 0.001 B C454 0.001 B 7 FROM/TO JACK2 STBY-H IR_REMO GND 6 TO AV SWICTH P.CON+9V GND 5 GND 4 TUNER+30V POWER_FAIL SYS_POWER_H AT+3.3V P.CON+5V AT+5V P_GND 3 LCD+B LCD-H P.CON+9V STBY-H SW+12V IR_REMO VDIM BLON 2 1 H-29 NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE A B 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 F CAUTION: DIGITAL TRANSISTOR G PCB240 CEG353 1 H H-30