Key Board - Philips 170CW8FB/00 Service Manual

28 HUDSON 8

6.3 Key Board

715G2515-1
1 2
A
CN001
B
LBADC1
1
LBADC2
2
DC_POWERON
3
LED_GRN#
4
LED_RED#
5
6
C001
NC/0.001uF
CONN
SGND
C
OK (3.0K)
LBADC1
UP (1.8K)
D
DOWN (1.8K)
LBADC2
MENU (3.0K)
E
1 2
3
LED_GRN#
LED001
LED
C002 C003 C004 C005
NC/0.001uF NC/0.001uF NC/0.001uF NC/0.001uF
1.435V
1.042V
1.042V
1.435V
CONNECTOR
3
4 5
R002 3K 1/10W 1%
R003 1.8K 1/10W
R004 1.8K 1/10W
R005 3K 1/10W 1%
SW005 SW004
SW SW
1 2
3 4
5
SGND SGND SGND
GND
LED
(OK) (UP) (Power) (DOWN) (MENU)
4 5
6 7
SW002
SW003 SW
SW
1 2 1 2 1 2
3 4 3 4 3 4
5 5 5
SGND SGND SGND SGND SGND
6 7
8
A
B
CN001 B1
C001 B2
C002 B2
C003 B3
C004 B3
C005 B3
C006 C7
SW001
SW C007 C4
1 2 C008 C7
C009 C5
C010 C6
LED001 B3
3 4 R002 B4
C
R003 B4
R004 B4
5
R005 B4
SW001 C7
SGND SW002 C7
SW003 C6
SGND
SW004 C5
SW005 C5
ZD001 C7
ZD002 C5
ZD003 C6
ZD004 C7
ZD005 C5
D
E
8