Sharp LC-26SB14U Service Manual - Page 38

A 8 7 6 5 4 3 2 1 A H-19 B FROM/TO JACK3 PC_V PC_H AV3/AV4_Y AV1_CVBS VGA-G AV3/AV4_PB VGA-B AV3/AV4_PR VGA-R S1_DET SPDIF AV2_CVBS FROM/TO TUNER TU_CVBS I2C_CLK I2C_DATA TO HDMI HP_RST FROM SCALER POWER AD_A3.3V FROM/TO AV SWITCH2 SW_Y_IN SW_C_IN MCLK SDOUT LRCK BCLK C D E F SCALER VIDEO/AUDIO SCHEMATIC DIAGRAM (DIGITAL PCB) SCALER IC2801 R8J66954BG PC_V PC_H SW_Y_IN TU_CVBS AV1_CVBS AV3/AV4_Y SW_C_IN AV2_CVBS VGA-G C2927 0.1 B AV3/AV4_PB 3.2 3.2 C2946 3.2 C2937 9 0.1 B 1.7 0.1 B C2939 2.6 C2938 11 0.1 B 1.3 0.1 B C2940 0 C2931 12 0.1 B 1.9 0.1 B C2941 1.6 0.1 B C2932 10 2.0 C2928 0.1 B 3.3 0.1 B 0.9 C2942 3.2 C2933 0.1 B C2934 13 0.1 B 1.6 C2943 1.6 0.1 B 1.9 0.1 B J1 PCVIN K1 SSIN1 K2 SSIN2 L1 VIN3A L2 VIN1A L3 VIN2A M1 VREFA M2 VIN4A M3 VRPA N1 VIN2B N2 VIN6A N3 VIN5A N4 VRMA P1 VRPB P2 VREFB P3 VIN3B VGA-B C2925 0.1 B AV3/AV4_PR VGA-R C2926 0.1 B C2929 0.1 B C2935 0.1 B C2944 1.6 0.1 B 1.3 2.7 C2936 1.6 0.1 B C2945 14 1.6 0.1 B C2947 3.3 0.1 B 3.3 R2837 3.3 1K R1 VREFC R2 VRMB R3 VIN4B T1 VRPC T2 VIN2C U1 VRMC U2 VIN3C V1 LPF ROUT LOUT SICL V9 W9 I2C_CLK I2C_DATA R2853 10K R2857 10K SCLK0(GPIO) AA8 3.3 SRXD0(GPIO) Y8 3.3 STXD0(GPIO) W83.3 ASW2 R2850 QBLCAJ21 3.3 BL_PWM R2846 4.7K 4.7K QBLCB(GPIO)J20 QBLCC(RXD0)J19 3.3 J18 3.3 NC R2847 10K C2959 0.1 B V8 3.3 SCIRXD V7 3.3 SCISCK(GPIO) W73.3 C2965 0.1 B ASW0 ASW1 ASW2 VDIM LCD-H MCU_SCIRXD MCU_SCITXD IIC_OFF NC 4321 0 A0 0 A1 0 A2 0 Vss Vcc WP SCL SDA 5678 3.4 0 R2856 C2968 3.4 10K R2860 0.1 B 3.4 4.7K R2862 4.7K EEP_ROM IC IC2805 M24256-BWMN6TP 3.3 V5 SPDIFO 3.3 W5 ACLK 3.3 W6 ADATAO 3.5 Y6 LRCKO 3.4 AA6 BCKO 3.3 V6 SANT 3.3 Y7 RFAGC(GPIO) DAC_VREF ROUT LOUT 1.6 W3 1.7 AA3 1.7 AA4 0 V4 3.3 W4 0 Y5 R2838 4.7K R2839 4.7K 10K R2841 G W889 W890 I2C_DATA I2C_CLK HP_RST LRCK BCLK SDOUT MCLK 10K S1_DET 10K R2842 R2840 SPDIF ROUT0.001 B 0.001 B C2951 0.1 B C2950 10V 22 V-S C2949 C2948 LOUT NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C D 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. E F G H 8 7 FROM SURROUND LOUT_FI 6 ROUT_FI FROM JACK3 ROUT_FI LOUT_FI ASW2 ASW1 5 FROM/TO FLASH IIC_OFF I2C_CLK I2C_DATA TO AV SWITCH2 ASW0 4 FROM/TO MICON I2C_CLK I2C_DATA MCU_SCIRXD MCU_SCITXD 3 FROM/TO REGULATOR2 LCD-H VDIM GND AT+3.3V D3.3V 2 PCBDH0 CEG352 1 H H-20