Sharp LC32DV24U Service Manual - Page 67

A 8 7 FROM/TO POWER2 SW+12V VDIM BLON LCD-H LCD+B P.CON+5V SYS_POWER_H AT+5V 6 FROM/TO POWER SW+6V[UNREG] POWER_FAIL AT+34V AT+5V SYS_POWER_H P_GND 5 4 3 2 B 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 SW+12V IN 1 12.4 GND OUT 2 3 0 9.06 C500_2 25V 100 MHE C502_2 16V 100 MHE P_GND D401 MTZJ33B C425 4.7 B REGULATOR IC411 S-1170B33UC-OTSTFG C 3.27 5 OUT 5.37 4 IN R430 1K ON/OFF GND NC 1 2 3 5.35 0 NC C436 6.3V 4.7 B D E REGULATOR SCHEMATIC DIAGRAM (POWER PCB) P.CON+5V SW+12V AT+3.3V W805 P_GND W823 TUNER+30V SW+6V[UNREG] SYS_POWER_H C463 16V 680 ZL W806 1 DC-DC CONTROL IC413 LV5795-TE-L-E 17.2 BOOT SS 8 2.3 14 2 V_IN EN 7 3.2 13.8 3 SW 6 COMP 1.7 0 4 GND FB 5 1 51 R407 25V 10 B 25V 10 B C468 C466 C478 0.022 B C470 6.3V 22 B C477 C476 D417 EC31QS04 C472 0.001 B L403 22uHPF13 6.3 6.3 6.3 4 5 6 S D D DC-DC CONVERTER IC412 RTQ035P02 R405 8.2K W881 G D D 3 2 1 2.9 6.3 6.3 R408 6.8K C471 0.33 B 0 3.2 HFE Q421 0 KRC101S-RTK 6.3V 22 B C479 0.015 B C480 6.3V 22 B 0.1 B F R490 1K 1/4W R409 3.6K C481 0.0047 B R422 2.7K +-1% R418 R465 4.7K +-1% 3.9K +-1% W842 SH407 YQ-12 SH404 YQ-36 SH403 YQ-12 P.CON+9V 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 C447 100P CH C452 0.001 B C454 0.001 B C508 0.22 F C498 100P B W839 C488 0.1 B C490 0.1 B C487 0.1 B C489 0.1 B G H 8 SYS_POWER_H TO JACK 7 FROM/TO AUDIO/VIDEO GND CP403(CP8502) A2001WR2-8P GND(M) 8 P.CON+6V 7 P.CON+A5V 6 GND 5 P.CON+12V 4 FROM/TO JACK2 P.CON+3.3V 3 P.CON+3.3V 2 GND 1 STBY-H IR_REMO GND 6 TO SOUND GND TO AV SWICTH P.CON+9V GND 5 SH401 YQ-36 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 NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME 1 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. A B C H-37 NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR. THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP IS NON POLAR ONE. ATTENTION:LES PIECES REPAREES PAR UN ETANT DANGEREUSES AN POINT DE VUE SECURITE N'UTILISER QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES CAUTION:SINCE THESE PARTS MARKED BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY D E F G PCB240 CEG353 CAUTION: DIGITAL TRANSISTOR 1 H H-38