Akai LTA-26C904 Service Manual page 18

VCC_NISO
20
GND_SA
21 VSS33_CONV
22 VDD33_CONV
23 SC3_IN_L
24 SC3_IN_R
25 SCL_FLT
26 SCR_FLT
27 LS_C
28 LS_L
29 LS_R
30 LS_SUB
31 HP_LSS_L
32 HP_LSS_R
33 VSS18_CONV
34 VDD18_CONV
35 /HP_DET
36 ADR_SEL
37 VSS18
38 VDD18
39 SCL
40 SDA
41 VSS18
42 VDD18
43 /RST
44 S/PDIF_IN
45 S/PDIF_OUT
46 VDD33_IO1
47 VSS33_IO1
48 CK_TST_CTRL
49 VSS18
50 VDD18
51 CLK_SEL
52 XTALIN_CLKXTP
53 XTALOUT_CLKXTM
NISO polarization voltage（+3.3V）
DACS ground
DAC ground
DAC power (+3.3V)
SCART3 left audio input
SCART3 right audio input
SCART left channel filtering
SCART right channel filtering
No connection
Loudspeaker left channel output
Loudspeaker right channel output
No connection
No connection
No connection
DAC/ADC ground
DAC/ADC power (8V)
Earphone connection test terminal
Chip address selection signal
Digital ground
+1.8V power
I²C bus clock
I²C bus
Digital ground
+1.8V power
Reset signal input/output terminal
No connection
No connection
+3.3V power
Digital ground
Digital ground
Digital ground
+1.8V Power
Clock input format selection
Oscillator interface
17