Sony SRS-GD50iP Service Manual page 21

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MAIN BOARD IC115 TAS5602DCAR (DIGITAL POWER AMPLIFIER2)
Pin No.
Pin Name
1 to 3
PGNDA
4 to 6
PVCCA
7
NC
8
DVDD
9
DGND
10
PWM_AP
11
NC
12
PWM_BP
13
NC
14
PWM_CP
15
NC
16
PWM_DP
17
HIZ
18
RESET
19
FAULT
20
SE/BTL
21
THERM
22
NC
23 to 25
PVCCD
26 to 28
PGNDD
29, 30
OUTD
31 to 33
PGNDC
34, 35
OUTC
36, 37
PVCCC
38
BSC
39
VCLA_CD
40
BSD
41
BYPASS
42
AGND
43
AVCC
44
NC
45
BSA
46
VCLA_AB
47
BSB
48, 49
PVCCB
50, 51
OUTB
52 to 54
PGNDB
55, 56
OUTA
I/O
-
Ground terminal
-
Power supply terminal (+19V)
-
Not used
-
Power supply terminal (+3.3V)
-
Ground terminal
I
Audio signal input from the digital power amplifi er1
-
Not used
I
Audio signal input from the digital power amplifi er1
-
Not used
I
Audio signal input from the digital power amplifi er1
-
Not used
I
Audio signal input from the digital power amplifi er1
I
Power down signal input from the system controller
I
Reset signal input from the digital power amplifi er1
O
Fault signal output to the digital power amplifi er1
I
Not used
O
Thermal warming signal output to the system controller
-
Not used
-
Power supply terminal (+19V)
-
Ground terminal
O
Audio signal output terminal
-
Ground terminal
O
Audio signal output terminal
-
Power supply terminal (+19V)
I/O
Bootstrap input/output terminal
-
External capacitor connection terminal
I/O
Bootstrap input/output terminal
O
Reference voltage output terminal
-
Ground terminal
-
Power supply terminal (+19V)
-
Not used
I/O
Bootstrap input/output terminal
-
External capacitor connection terminal
I/O
Bootstrap input/output terminal
-
Power supply terminal (+19V)
O
Audio signal output terminal
-
Ground terminal
O
Audio signal output terminal
Description
"L": power down
"L": reset
"H": OK
SRS-GD50iP
21

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