Philips FX20 Service Manual page 32

8-4
Circuit Diagram - IN board
A
1
AUDIO IN
J20 J20 0 0
S S
2
MIC
JACK601 JACK601
1
1
6
6
3
3
5
5
3
4
4
2
2
MIC JACK MIC JACK
4
A
B
CON2 CON2
1
1
6
3PIN/2.0mm/260mm 3PIN/2.0mm/260mm
6
FB2 FB2
500/200mA 500/200mA
1 AUDIO IN_R 3
1 3
2
2
3
5
3
5
XS2 XS2
TP64 TP64
4
4
FB3 FB3
AUDIO IN_L
2
2
500/200mA 500/200mA
Audio in Audio in
S
TP65 TP65
C34 C34 S
3300pF/50V/X7R 3300pF/50V/X7R
S
12V_D_A
R609 R609 2.2K 2.2K 12VA R646 R646 22K 22K
CE608 CE608 + +
C772 C772
220uF/16V 220uF/16V
0.1uF/50V/X7R 0.1uF/50V/X7R
1K 1K
R650 R650 MIC_det C611 C611
R643 R643
S
FB611 FB611 1.2K 1.2K
2
R648 R648 3
CE610 CE610
10K 10K
2.2uF/25V 2.2uF/25V
R612 R612
C607 C607
680 680
1000pF/50V/X7R 1000pF/50V/X7R
REFM
S
S
S
B
C D
REFM
CE609 CE609 + +
47uF/16V 47uF/16V
R610 R610
22K 22K
47pF/50V/NP0 47pF/50V/NP0
110K 110K
R642 R642 S
S
100K 100K
S
J7 J7 0 0
AS4558M AS4558M
U602A U602A
AS4558M AS4558M
1 5
+ + U602B U602B
7 MIC
C623 C623
6
- -
2.2UF 2.2UF
C610 C610
12VA
100pF/50V/NP0 100pF/50V/NP0 R649 R649
R645 R645 100K 100K
20K 20K
C626 C626 47pF/50V/NP0 47pF/50V/NP0
C625 C625
2.2UF 2.2UF
S
C D
8-4
E
1
2
XP2 XP2
AUDIO IN_R 1
1
AUDIO IN_L 2
2
3
3
MIC 4
4
MIC_det 5
5
6
12V_D_A
6
6PIN/2.0mm 6PIN/2.0mm
S
3
4
E