Sharp LC-20AV7U Service Manual - Page 54

Pin No. Signal Name Function 22 SIF REF SIF Reference 23 STEREO REF Stereo Reference 24 SDA Serial Data 25 GND GND 26 NU Not Used 27 SCL Serial Clock 28 AGC DET Auto Gain Control Detect 29 R CH AUDIO OUT Right Channel Audio Output 30 L CH AUDIO OUT Left Channel Audio Output 31 NU Not Used 32 L-R REF L-R Reference IC852 (Input Select) Pin No. Signal Name Function 1 0Y Audio Signal 0 Input (R ch) 2 2Y Audio Signal 2 Input (R ch) 3 Y-COM Audio Signal Output (R ch) 4 3Y Audio Signal 3 Input (R ch) 5 1Y Audio Signal 1 Input (R ch) 6 INH Input Select Signal 7 VEE GND 8 GND GND 9B Input Select B Signal 10 A Input Select A Signal 11 3X Audio Signal 3 Input (L ch) 12 0X Audio Signal 0 Input (L ch) 13 X-COM Audio Signal Output (L ch) 14 1X Audio Signal 1 Input (L ch) 15 2X Audio Signal 2 Input (L ch) 16 VDD VDD IC901 (+1.2V Regulator) Pin No. Signal Name Function 1 GND GND 2 V IN Input Voltage 3 V OUT Output Voltage IC904 (+1.8V Regulator) Pin No. Signal Name Function 1 V IN Input Voltage Pin No. Signal Name Function 2 V OUT Output Voltage 3 GND GND 4 V ADJ Control Output Voltage IC905 (+5V Regulator) Pin No. Signal Name Function 1 V IN Input Voltage 2 V OUT Output Voltage 3 GND GND 12-4 A7144PIN