Control Diagram&C.b - Philips 170C8FS/00 Service Manual

52 HUDSON 8
1
CN101
FB101
A
1 2 1
2
300 OHM
3
4
5
6
7 2 1
FB102
300 OHM C101
CONN 470pF
B
2.4K? 1% 1/10W
C
D
E
1
2 3
KEY1
C102 C103 C104 C105
470pF 470pF 470pF 470pF
R103 R102
R101
910? 1% 1/10W
4.3K? 1% 1/10W
SW3 SW2 SW1
3 1 3 1 3 1 3
4 2 4 2 4 2 4
SKHHAM2520-PL SKHHAM2520-PL SKHHAM2520-PL SKHHAM2520-PL
2 3
Key Board Diagram(170C8)
4 5
KEY2
K-PWR
R106
R105 R104
2.4K? 1% 1/10W
910? 1% 1/10W 4.3K? 1% 1/10W
SW6 SW5 SW4
1 3 1 3 1 3
2 4 2 4 2 4
SKHHAM2520-PL SKHHAM2520-PL SKHHAM2520-PL
4 5
6
LED LED
LED1 LED2
SW7
1
2
6
7 8
A
CN101 A1
C101 B2
C102 B2
C103 B2
C104 B3
C105 B3
FB101 A1
FB102 A1
LED1 B6
LED2 B6
R101 B3
R102 B3
R103 B2
R104 B4
B
R105 B4
R106 B4
SW1 C3
SW2 C3
SW3 C2
SW4 C4
SW5 C4
SW6 C4
SW7 C5
C
D
E
7 8