Sanyo LCD-32XL2 Service Manual

-9-Main CPU Port Functions (IC801)Pin No. Port Name Function131 A0 N_Reset Output (Active=H)133 A1 Power error-1 input10 A2 PLL Lock11 A3 LCD Brightness Output135 A4 LED / For software flash136 A5 Audio Mute / For software flash137 A6 Control of Inverter (Active=L)138 A7 For writing / FAN Control Check (For manufacturing process) (Active=L)146 B0 Power ON/OFF Switch Input (AD Input)145 B1 Key Board Input (AD Input)144 B2 8-pin of Scart-1 Input (AD Input) -Not used-143 B3 8-pin of Scart-2 Input (AD Input)142 B4 8-pin of Scart-3 Input (AD Input) -Not used-141 B5 AGC Input130 C0 SDA for ADE3800 (IC4001)129 C1 SCL for ADE3800 (IC4001)128 C2 AV Switch-C Output127 C3 Power-3 Output4 C4 SDA for EEPROM (IC802)3 C5 SCL for EEPROM (IC802)2 C6 SDA for device other than EEPROM1 C7 SCL for device other than EEPROM5 D0 AV Switch-A Output6 D1 LCD ON (Back-Light ON/OFF) Output7 D2 50/60Hz Switch (Switching PAL/NTSC) Output8 D3 AV Switch-B Output (Active=H)132 D4 RC Input (Active=L)147 D5 Power Switch-1 output9 D6 Power error-2 Input134 D7 Power Info. Input (Input of the power supply condition)