Philips 32PF9968/10 Service Manual page 37
Chassis lc9.1a
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8.2
Diagram B03, Type TDA8932BT (IC7510), Audio Amplifier
Block Diagram
2
IN1P
3
IN1N
12
INREF
15
IN2P
14
IN2N
4
DIAG
7
CGND
6
POWERUP
5
ENGAGE
13
TEST
Pin Configuration
O
S
C
R
E
F
O
S
I C
O
1
0
3
1
OSCILLATOR
PWM
V
SSD
MODULATOR
PWM
MODULATOR
PROTECTIONS:
OVP, OCP, OTP,
UVP, TF, WP
MODE
TDA8932
9
1, 16, 17, 32
V
V
SSA
SSD(HW)
1
V
SSD(HW)
2
N I
1
P
3
N I
1
N
4
D
A I
G
E
N
G
A
G
E
5
P
O
W
E
R
U
P
6
C
G
N
D
7
V
8
DDA
V
9
SSA
OSCREF
10
H
V
P
R
E
F
11
N I
R
E
F
12
T
E
S
T
13
N I
2
N
14
N I
2
P
15
V
16
SSD(HW)
Figure 8-2 Internal block diagram and pin configuration
IC Data Sheets
V
DDA
8
DRIVER
HIGH
CTRL
DRIVER
LOW
MANAGER
DRIVER
HIGH
CTRL
DRIVER
LOW
V
DDA
STABILIZER 11 V
V
DDA
STABILIZER 11 V
REGULATOR 5 V
V
SSD
V
DDA
V
SSA
HALF SUPPLY VOLTAGE
32
V
SSD(HW)
31
O
S
I C
O
30
H
V
P
1
29
V
DDP1
28
B
O
O
T
1
27
O
U
T
1
26
V
SSP1
25
STAB1
TDA8932T
24
STAB2
V
23
SSP2
22
O
U
T
2
21
B
O
O
T
2
20
V
DDP2
19
H
V
P
2
18
D
R
E
F
17
V
SSD(HW)
LC9.1A LA
28
BOOT1
29
V
DDP1
27
OUT1
26
V
SSP1
21
BOOT2
20
V
DDP2
22
OUT2
23
V
SSP2
25
STAB1
V
SSP1
24
STAB2
V
SSP2
18
DREF
11
HVPREF
30
HVP1
19
HVP2
G_16860_045.eps
8.
EN 37
300107
2009-Apr-10
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