Sharp LC-26SB14U Service Manual - Page 40
Regulator2 Schematic Diagram
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A 8 FROM/TO REGULATOR CP3001(CP401) TWG-P23P-A1 1 TUNER+30V 2 POWER_FAIL 3 SYS_POWER_H 4 AT+3.3V 5 GND 7 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 NC 6 19 REMOCON_IN 20 LIGHT_CTL 21 KEY_A 22 LIGHT_POWER_H 23 KEY_B C3001_1 10P CH C3036 16V 220 V-S C3003 0.001 B R3001 100K B L3003 330uHNLCV32T TUNER+30V POWER_FAIL SYS_POWER_H AT+3.3V D5.0V AT+5V VDD_PANEL LCD-H P.CON+9V STBY-H IR_REMO VDIM KEY_A BLON KEY_B C3009 0.001 B 5 4 3 SH3001 SH3002 SH3003 SH3004 SH3005 2 YQ-12 YQ-12 YQ-12 YQ-12 YQ-12 C D E F REGULATOR2 SCHEMATIC DIAGRAM (DIGITAL PCB) AT+5V 1V_CTL L3001 22uH TSL0808 R3011 1K GND VCC1.0V DC/DC VDD CORE 1.05V IC IC3001 BD9130NV 0.8 ADJ 5.3 VCC 0.2 ITH 0 GND EN 3.5 PVCC 5.3 SW 2.5 PGND 0 R3016 1.5K +-1% R3018 100 +-1% L3002 10uHTSL0808 C3015 0.1 B C3016 R3008 680P CH 10K R3009 4.7K +-1% 4321 5678 C3024 10V 10 C C3026 10V10 C C3027 10V10 C C3029 6.3V 10 C C3031 6.3V 10 C C3032 6.3V 10 C C3033 6.3V 10 C G H FROM/TO FLASH D3.3V 8 BLON GND TO DDR D1.8V GND TO HDMI D3.3V D5.0V GND 7 FROM/TO SCALER VIDEO/AUDIO LCD-H AT+3.3V VDIM D3.3V B3003 (typ 1.8A) HCB1608KF-181T20 D1.0V GND TO TUNER TUNER+30V D3.3V D5.0V GND 6 TO SURROUND P.CON+9V AT+5V GND TO LVDS AT+5V W857 R3022 for CORE VCC+3.3V DC/DC L3004 D3.3V D1.0V VDD_PANEL 0.047 1/4W 5.3 3.3 3.3 22uH GND 2125 4 5 6 SLF10145T 5 DC DC FET IC3004 TPC6108 C3021HCB1608KF-181T20 B3004 HCB1608KF-181T20 B3005 W858 C3013 R3020 SDD FROM/TO MICON 6.3V 68 CD 2125 0.047 1/4W DC DC CTL (SCALER:typ 1800mA) SYS_POWER_H IC3002 AL1015 GDD 3.3V_POWER_H 0.001 B 5678 R3014 3.3K C3011 0.1 B C3012 0.01 B R3019 33K C3017 27P CH 4321 C3014 0.1 B 5.3 4.5 VIN V5/PWON CS EXT 5.3 C3019 3 2 1 1.9 0.1 B 1.9 3.3 3.3 W900 AT+3.3V STBY-H KEY_A C3022 6.3V 68 CD SW Q3004 KRC103SRTK 4.5 0 R3023 1.2 Vref/SS 1.3 CC GND 0 FB 1.3 R3024 R3025 1.5K +-1% 220 +-1% 1K +-1% D3004 EC31QS04 W901 D3.3V KEY_B IR_REMO POWER_FAIL AT+5V 1V_CTL GND 0 0 0 4 R3010 3.3V_POWER_H 1K SW Q3003 0 KRC103SRTK L3005 22uH TSL0808 TO SCALER POWER D3.3V D1.8V D1.0V GND TO AV SWITCH2 P.CON+9V D5.0V D3.3V 3 D1.8V D3.3V 1.8V_REGULATOR IC IC3003 PQ035ZN1HZPH V_IN VB V_OUT V_ADJ GND 1 2 6 4 5 5.0 3.3 1.8 1.3 0 (DDR2:typ 1095mA) TO JACK3 D5.0V P.CON+9V AT+5V GND C3037 6.3V 10 B C3038 6.3V 330 V-S C3023 1B R3007 100 R3015 6.8K +-1% R3017 150 +-1% 2 3.3K +-1% C3035 16V 10 V-S R3013 C3018 2.2 B 1 A H-23 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. NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C D 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 CAUTION: DIGITAL TRANSISTOR E F G PCBDH0 CEG352 H 1 H-24