Philips PET836 Service Manual page 32

5
CIRCUIT DIAGRAM- KEY_B
D
ZJ1 ZJ1
1
2
switchpower_3 switchpower_3
SW SW
C
ZS1 ZS1
UP
ENTER
LEFT
DOWN
GND
RIGHT
B
A
5
4
ZL10 ZL10 10R/FB 10R/FB
1
2
ZC204 ZC204
20pF 20pF
ZR197 ZR197 1K8 1K8
1
ZR199 ZR199 8K2 8K2
2
ZR200 ZR200 910R 910R
3
ZR202 ZR202 3K6 3K6
4
5
ZR204 ZR204 390R 390R
6
4
3
ADKEY1
ENTER
RIGHT
LEFT
DOWN
6
7
5
UP
4
1
Disc OUT
8
2
3
3
2 1
4.0V
3.2V
2.4V
1.6V
0.8V
0V
2 1
D
C
B
A