Sony HT-XT100 Service Manual page 38

HT-XT100
MAIN BOARD U13 STA339BW (DIGITAL AMP)
Pin No. Pin Name
1 GND_SUB
2 SA
3 TEST_MODE
4 VSS
5 VCC_REG
6 OUT2B
7 GND2
8 VCC2
9 OUT2A
10 OUT1B
11 VCC1
12 GND1
13 OUT1A
14 GND_REG
15 VDD
16 CONFIG
17 OUT3B/FFX3B
18 OUT3A/FFX3A
19 EPAD/OUT4B
20 TWARN/OUT4A
21 VDD_DIG
22 GND_DIG
23 PWRDN
24 VDD_PLL
25 FILTER_PLL
26 GND_PLL
27 XTI
28 BICKI
29 LRCKI
30 SDI
31 RESET
32 INT_LINE
33 SDA
34 SCL
35 GND_DIG
36 VDD_DIG
37 GND
38
I/O
- Ground terminal
I I2C select address signal input terminal
I Fixed at "L" in this unit
I/O Internal reference voltage (–3.3V) input/output terminal
I/O Internal reference voltage input/output terminal
O Audio signal (R-ch) output terminal
- Ground terminal
- Power supply terminal
O Audio signal (R-ch) output terminal
O Audio signal (L-ch) output terminal
- Power supply terminal
- Ground terminal
O Audio signal (L-ch) output terminal
- Internal reference ground terminal
I Internal reference voltage (+3.3V) input terminal
I Parallel mode command signal input terminal
O Not used
O Not used
O Not used
I/O Not used
- Power supply terminal (+3.3V)
- Ground terminal
I Muting signal input terminal
- Power supply terminal (+3.3V) (for PLL)
I Connection to PLL fi lter terminal
- Ground terminal (for PLL)
I Master clock signal input terminal
I Bit clock signal input terminal
I L/R sampling clock signal input terminal
I Audio data (L-ch/R-ch) input terminal
I Reset signal input terminal
O Fault signal output terminal
I Serial data input terminal
I Clock signal input terminal
- Ground terminal
- Power supply terminal (+3.3V)
- Ground terminal
Description
Fixed at "L" in this unit
Fixed at "L" in this unit