Philips 47PFL6057K/12 Service Manual page 140

Circuit Diagrams and PWB Layouts
10.8 E 2722171 90545, 90547, 90549, 90552, 90558 Keyboard control panel
10-8-1 Keyboard control panel
Keyboard control panel
E
J1
QFU2.1E LA 10.
+3.3V
R6
3
2
1
VSS
CON3
C1
103 ZD1
RES
VSS VSS
EN 140
1k Ω
( )
6.8kΩ
R1 R2 R3
1.5kΩ 3.9kΩ 5.6kΩ
(150 Ω) (330Ω) (680Ω)
VSS VSS VSS
CH+ CH- SOURCE
back to
2013-Apr-05
div. table
R5 R4
18kΩ 8.2kΩ
(3.9 kΩ) (1.5kΩ)
VSS VSS VSS
VOL+ VOL- POWER
Keyboard control panel
E
1.1 2012-02-16
2722 171 90545, 2722 171 90547,
2722 171 90549, 2722 171 90552,
2722 171 90558
19280_068_120426.eps
120426