Ssb: I/O4: Audio (B14D) - Philips 3122 785 14580 Service Manual

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Circuit Diagrams and PWB Layouts
SSB: I/O4: Audio
1
2
3
B14D
I/O4: AUDIO
A
B
7I17
TEA6422
C
+8V
3
VS
II72
CAP
2
SUPPLY
1
GND
D
7
NC1
8
NC2
21
NC3
22
NC4
E
IIE6
3I39
4K7
F
G
H
I
8204 000 8478.1
1
2
3
FTP2.4E AA
7.
4
5
6
IIE7
3I43
4K7
ROUT1
13
SNDR-MAIN-IN
B6a ,B14d
B6a (2x),B14d
ROUT2
15
SNDR-SEC-IN
B14b
ROUT3
17
SNDR-BO-IN
3IJ0
SDA
28
SDA-S
BUS
100R
3IJ1
SCL
27
SCL-S
DECODER
100R
ADDR
26
B6a,B14d
LOUT1
12
SNDL-MAIN-IN
B6a (2x),B14d
LOUT2
14
SNDL-SEC-IN
B14b
LOUT3
16
SNDL-BO-IN
B6a (2x),B14d
SNDL-SEC-IN
B6a (2x),B14d
SNDR-SEC-IN
B6a,B14d
SNDL-MAIN-IN
B6a,B14d
SNDR-MAIN-IN
B6a
SNDL-SC2-IN
B6a
SNDR-SC2-IN
4
5
6
EN 64
7
8
9
B6a
REG-SW
IIE2
B14b
SNDL-SC2-OUT
B14b
IIE3
SNDR-SC2-OUT
IIE5
B14b
3IH9
SNDL-SC1-OUT
47K
B6a , B14d
SNDL-SC1-OUT-DC
B6a , B14d
SNDR-SC1-OUT-DC
B14b
3II4
SNDR-SC1-OUT
47K
IIE4
B14c(3x),f
TRI-STATE-DVI
+5V
RES
3
RES
II69
3IJ3
SEL_IN_2
B5a
5
7I23-2
BC847BS
22K
4
RES
B14e
SEL_IN_1_B
+5V
RES
6
II70
B5a
SEL_IN_1
3II7
7I23-1
2
BC847BS
22K
1
7
8
9
10
11
12
+8V
+8V
II67
3II1
7I22
BC847BW
7I20
22K
74HC4053PW
6
G3
14
MUXDX
1z
12
1y0
11
s0
13
1y1
2IA0
15
2z
2
SNDL-MON-OUT
10u
16V
2y0
10
s1
1
SNDL-SC1-OUT-DC
2y1
4
3z
9
5
SNDR-MON-OUT
s2
3y0
2IA1
3
SNDR-SC1-OUT-DC
3y1
10u
16V
GND VEE
9I57
9I58
10
11
12
13
2I13 F2
2I14 B4
B14D
2I71 B3
2I72 B3
2I73 B3
A
2I75 B3
2I76 B3
2I77 D1
2I78 D1
2I79 D2
2I80 E3
2I81 E3
2I82 E3
B
2I84 E3
2I85 E3
2I99 F7
2IA0 D10
2IA1 E10
2IA2 F7
3I39 E2
3I43 B4
C
3IH8 D10
3IH9 E7
3II0 C10
3II1 C10
3II2 C10
3II3 E10
B6a,B14b,B14d
3II4 F7
D
B6a , B14d
3II5 H7
3II6 I7
3II7 I7
B6a,B14b,B14d
3IJ0 D4
B6a , B14d
3IJ1 D5
3IJ2 G7
3IJ3 G7
3IJ4 H7
E
7I17 C2
7I20 C12
7I22 C10
7I23-1 I7
7I23-2 G7
9I30 E5
9I31 E5
9I32 E5
F
9I33 E5
9I34 E5
9I35 E5
9I57 E12
9I58 E12
9I68 G8
9IA1 B3
9IA3 E3
G
II67 C10
II69 G7
II70 I7
II72 D2
IIE2 D9
IIE3 D10
IIE4 F7
H
IIE5 E7
IIE6 E2
IIE7 B4
I
F_15460_034.eps
080405
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