Key Board - Philips 220E1SB/00 Service Manual

Meridian 1
26

6.3 Key Board

715G2836-1-2
1
KEYPAD
A
CN001
LBADC1
1
LBADC2
2
DC_POWERON
3
LED_GRN#
4
LED_RED#
5
6
NC/0.001uF
CONN
B
SGND
C
D
LED
POWER MENU UP
1
2
LED_RED#
LED_GRN#
D001
LED
C001 C002 C003 C004 C005
NC/0.001uF NC/0.001uF
NC/0.001uF NC/0.001uF
CONNECTOR
CN101
DOWN AUTO SOURCE
2
3
R001 4.3K OHM 1/8W
R002 2K4 1/8W
R003 910R 1/8W
R004 4.3K OHM 1/8W
R005 2K4 1/8W
R006 910R 1/8W
SW006 SW005 SW004
1 2 1 2 1
5 5
SW SW SW
3 4 3 4 3
SGND SGND SGND SGND SGND SGND
GND
3
4
SW002 SW001
2 1 2 1 2
5 5 5
SW SW
4 3 4 3 4
SGND
SGND SGND SGND
4
5
A
CN001 A1
C001 B1
C002 B2
C003 B2
C004 B2
C005 B2
C006 B4
C007 B3
C008 B4
C009 B3
C010 B5
C011 B3
D001 A2
SW003
B
R001 A3
1 2
R002 A3
5
R003 B3
SW
R004 B3
3 4
R005 B3
R006 B3
SW001 B5
SW002 B4
SW003 B5
SW004 B4
SGND SGND
SW005 B3
SW006 B3
ZD001 B4
ZD002 B3
ZD003 B5
ZD004 B4
C
ZD005 B3
ZD006 B3
D
5