Philips 26MF337B/27 Service Manual page 60

60
TPM1.0U LA
Key Board Schematic Diagram
1
K
A
MENU
B
CN030
60923
3
KEY
2
1
C
ZD031 colse to R030
ZD032 colse to SW031
D
1
2
Menu
SW030
SW
C030 colse to CN030
ZD030 colse to SW030
C031 colse to CN030
Right
R031
R030
SW031
11K 1/10W 4K3 1/10W
SW
ZD033 colse to R031
ZD034 colse to SW032
2
7. Circuit Diagrams and PWB Layouts
3
R034
0R05 1/10W
Left
R032
SW032
1K8 1/10W
SW
ZD035 colse to R032
ZD036 colse to SW033
3
4 5
CN030 B1
C030 C1
C031 B2
R030 C2
R031 C3
R032 C4
R033 C5
R034 B3
SW030 A3
SW031 C2
SW032 C3
SW033 C4
SW034 C5
ZD030 A2
ZD031 C2
ZD032 C2
ZD033 C2
ZD034 C3
ZD035 C3
ZD036 C4
ZD037 C5
ZD038 C5
Up
Down
R033
SW033 SW034
470R 1/10W
SW SW
ZD030 colse to R033
ZD031 colse to SW034
4 5
A
B
C
D