System Configuration - Insignia NS-LCD32 Service Manual

26,27,34,35: PLL Power
11, 22, 23, 69,78,79: Digital Output Power
1,10,20,21,24,25,28,32,36,40,41,44,47,50,53,60,61,63,68,80:Ground
3. R2S15903SP
R2S15903SP is an audio signal processor. It has MUTE and Volume/Tone control. It can support 5
input selector.
Pin descriptions of R2S15903SP:
5, 28: AV OUT INPUT L/R
2, 31: other channels
17, 18:I2C SDA/SCL
32: Power Supply
16