Philips 32PFL3507/56 Service Manual page 37

8.3 Diagram 10-3-14 Audio Amplifier & Headphone Out
Block diagram
INL[1:2]
INR[1:2]
PWRDN
TRI-STATE
TWARN
Pinning information
Logic I/F
VL
and Decode
Protection
FAULT
Circuitry
Regulators
GND-SUB 1
OUT2B 2
OUT2B 3
V 2B 4
CC
GND2B 5
GND2A 6
7
V 2A
CC
OUT2A 8
OUT2A 9
OUT1B 1
OUT1B 11
V 1B 12
CC
GND1B 1
GND1A 14
V 1A 15
CC
16
OUT1A
OUT1A 17
N.C. 18
Figure 8-4 Internal block diagram and pin configuration
IC Data Sheets
B14, STA515W13TR (IC U603)
LeftA
‰ -Bridge
LeftB
‰-Bridge
RightA
‰ -Bridge
RightB
‰ -Bridge
STA515W13TR
0
3
back to
div. table
TPM8.31A LA
STA515W13TR
OUTPL
OUTNL
OUTPR
OUTNR
V Sign
36
CC
V Sign
35
CC
34 V
SS
V
33
SS
32 IN2B
IN2A
31
30 IN1B
IN1A
29
TH_WAR
28
FAULT
2 7
TRI-STATE
26
25 PWRDN
CONFIG
2 4
23 V
L
V DD
22
21 V DD
GND-Reg
20
GND-Clean
19
8. EN 37
19170_301_110704.eps
110705
2012-Jun-08