Sony HT-CT180, Руководство по обслуживанию

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HT-CT180
31
MAIN BOARD U14 STA339BW (DIGITAL AMP)
Pin No. Pin Name I/O Description
1 GND_SUB - Ground terminal
2 SA I I2C select address signal input terminal Fixed at “L” in this unit
3 TEST_MODE I Fixed at “L” in this unit
4 VSS I/O Internal reference voltage (–3.3V) input/output terminal
5 VCC_REG I/O Internal reference voltage input/output terminal
6 OUT2B O Audio signal (R-ch) output terminal
7 GND2 - Ground terminal
8 VCC2 - Power supply terminal
9 OUT2A O Audio signal (R-ch) output terminal
10 OUT1B O Audio signal (L-ch) output terminal
11 VCC1 - Power supply terminal
12 GND1 - Ground terminal
13 OUT1A O Audio signal (L-ch) output terminal
14 GND_REG - Internal reference ground terminal
15 VDD I Internal reference voltage (+3.3V) input terminal
16 CONFIG I Parallel mode command signal input terminal Fixed at “L” in this unit
17 OUT3B/FFX3B O Not used
18 OUT3A/FFX3A O Not used
19 EPAD/OUT4B O Not used
20 TWARN/OUT4A I/O Not used
21 VDD_DIG - Power supply terminal (+3.3V)
22 GND_DIG - Ground terminal
23 PWRDN I Muting signal input terminal
24 VDD_PLL - Power supply terminal (+3.3V) (for PLL)
25 FILTER_PLL I Connection to PLL fi lter terminal
26 GND_PLL - Ground terminal (for PLL)
27 XTI I Master clock signal input terminal
28 BICKI I Bit clock signal input terminal
29 LRCKI I L/R sampling clock signal input terminal
30 SDI I Audio data (L-ch/R-ch) input terminal
31 RESET I Reset signal input terminal
32 INT_LINE O Fault signal output terminal
33 SDA I Serial data input terminal
34 SCL I Clock signal input terminal
35 GND_DIG - Ground terminal
36 VDD_DIG - Power supply terminal (+3.3V)
37 GND - Ground terminal