Philips FTL13U Service Manual page 65

Circuit Diagrams and PWB Layouts
Small Signal Board (AA): Audio I/O
1 2
AUDIO I/O
A
B
7I17
TEA6422D 25 24 23 20 19 18
R1 R2 R3 R4 R5 R6
+8V
3 VS
C II72
2 CAP
SUPPLY BUS DECODER
1 GND
7
8
NC
21
22
L1 L2 L3 L4 L5 L6
D
4 5 6 9 10 11
E
RES
F
7I18
TEA6422D
25 24 23 20 19 18
R1 R2 R3 R4 R5 R6
+8V
G
3 VS
II71
2 CAP
SUPPLY BUS DECODER
1 GND
7
H
8
NC
21
22
L1 L2 L3 L4 L5 L6
4 5 6 9 10 11
I
8204 000 8202.6
1 2
FTL13U AA & AB
3 4 5 6
MATRIX SWITCH
B6a,B14d
9I32
SNDR-MAIN-IN
ROUT1
ROUT1 13
B6a,B14d
9I33
SNDR-SEC-IN
ROUT2 15
ROUT2
B14b
9I34
SNDR-BO-IN
ROUT3 17
ROUT3
3IJ0
SDA 28
S-SDA
100R 3IJ1
SCL 27
S-SCL
100R
ADDR 26
B6a,B14d
9I35
SNDL-MAIN-IN
LOUT1 12
LOUT1
B6a,B14d
9I36
SNDL-SEC-IN
LOUT2 14
LOUT2
B14d
LOUT3 16 9I37
SNDL-BO-IN
LOUT3
MATRIX SWITCH
FID2 B6a , B14d
ROUT1 13
SNDR-MAIN-IN
FID3
B6a
ROUT2 15
SNDR-SEC-IN
B14b
ROUT3 17
SNDR-BO-IN
3II8
SDA 28
S-SDA
100R 3II9
SCL 27
S-SCL
100R
ADDR 26
FID4 B6a
LOUT1 12
SNDL-MAIN-IN
B6a
FID5
LOUT2 14
SNDL-SEC-IN
B14b
LOUT3 16
SNDL-BO-IN
3 4 5 6
7. 65
7 8 9
RES
B1 --> B20
B6a
SUBW-SPI-SW
+5V
II73
3IT7
10R
BC847BW
7I00
B6b
SPDIF-IN1
9I59
3IR8
B14b 220R
SNDL-SC2-OUT
3II1
B6a
REG-SW
22K
B14b
SNDR-SC2-OUT
RES
SEL_IN_2_B
B14b
II69
SEL_IN_2_F
3IJ3
B6c
22K
SEL_IN_1_B
B14b
II70
SEL_IN_1_F
3II7
B6c
22K
7 8 9
10 11 12
+8V
RES
3IH9
SNDL-SC1-OUT
47K
II65 SNDL-SC1-OUT-DC
3IH5
7I22-A
SNDR-SC1-OUT-DC
BC847BS
22K
3II4
SNDR-SC1-OUT
47K
3IR4
22K
100n
2IH2
+8V
3IR1
2IA0
7I20 100K
16
1u
74HC4053
6 VCC II66
G3 3IR0
+8V
100K
14
MUXDX II68
2IH0
12
SPI-1
1y0
11
2IH1
13 100n
SPI-2
1y1
3IR7
100n
15
II67
75R
2
7I22-B
2y0
10 SNDL-MON-OUT
BC847BS
1
SNDL-SC1-OUT-DC
2y1
4
5
9
SNDR-MON-OUT
3y0
2IA1
3
SNDR-SC1-OUT-DC
3y1
1u
GND VEE
8 7
9I57
9I58
+5V
7I23-B
BC847BS
+5V
7I23-A
BC847BS
B1 --> B20
CL 36532064_023.eps
10 11 12
2I71 B2
2I72 B2
2I73 B2
2I74 B2
2I75 B2
2I76 B3
2I77 C1
2I78 C1
2I79 C1
2I80 D2
2I81 D2
B14b,d
2I82 D2
2I83 D2
B6a , B14d 2I84 D2
A
B6a , B14d
2I85 D3
2I86 F2
2I87 F2
2I88 F2
B14b,d
2I89 F2
2I90 F2
2I91 H1
2I92 H1
2I93 H1
2I94 I2
2I95 I2
B
2I96 I2
2I97 I2
2I98 I2
2I99 A11
2IA0 B9
2IA1 D9
2IA2 A12
2IA3 B9
2IA7 A11
B14b
2IF0 I3
2IF1 F3
B14b
2IH0 C12
C
2IH1 C12
2IH2 B12
B6a
3IH5 A9
3IH6 A10
B6a , B14d
3IH7 A10
3IH8 B9
3IH9 A11
3II0 C10
B6a
3II1 C9
3II2 C9
B6a , B14d
3II3 D9
D 3II4 A11
3II5 G9
3II6 H9
3II7 H9
3II8 G4
3II9 G4
3IJ0 C4
3IJ1 C4
3IJ2 F9
3IJ3 F9
3IJ4 G9
3IR0 C12
E
3IR1 B12
3IR2 B11
3IR3 B11
3IR4 B12
3IR6 C12
3IR7 C12
3IR8 B9
3IT7 A8
7I00 B9
7I17 B1
7I18 F1
7I20 B11
F
7I22-A A10
7I22-B C10
7I23-A H9
7I23-B F9
9I32 B4
9I33 B4
9I34 C4
9I35 C4
9I36 D4
9I37 D4
9I57 D11
G 9I58 E11
9I59 B9
FID2 G4
FID3 G4
FID4 H4
FID5 H4
II65 A10
II66 C12
II67 C9
II68 C11
II69 F9
II70 H9
H
II71 G1
II72 C1
II73 A9
I
090903