Philips FX20 Service Manual page 30

8-2
Circuit Diagram - Key board
A
XP1 XP1
5 3PIN/2.0mm 3PIN/2.0mm
5
XS1 XS1
4
4
3 3
3 3
2 2
2 2
1 1 1 LED1
1 1
5PIN/2.0mm 5PIN/2.0mm
2
LED1
100pF/50V/NP0 100pF/50V/NP0
3
4
A
B
SW17 SW17
R146 R146
1K/1% 1K/1%
SW16 SW16
SW27 SW27
TAC020 TAC020
SW26 SW26
TAC020 TAC020
LED3 LED3
LED6 LED6
LED_BULE LED_BULE
LED_BULE LED_BULE
B
C D
C D
8-2
E
1
2
3
4
E