E 272217190554 - 272217190562 Keyboard Control Module - Philips 40PFL7007H/12 Service Manual

Circuit Diagrams and PWB Layouts

10.4 E 272217190554 - 272217190562 Keyboard Control Module

10-4-1 Keyboard Control Module
Keyboard Control Module
E
J1
3
2
1
CON3
QFU1.1E LA 10.
+3.3 V
R6
6.8 kΩ
V
SS
C1
103 ZD1
RES RES
V
SS
V
SS
CH+
EN 180
R1 R2 R3 R5
Ω
Ω Ω Ω
1.5 k 3.9 k 5.6 k 18 k
V V V V
SS SS SS
CH- SOURCE VOL+ VOL-
back to
2012-Sep-14
div. table
R4
Ω
8.2 k
V
SS SS
POWER
Keyboard Control Module
E
1.1 2012-02-06
2722 171 90554, 2722 171 90555,
2722 171 90556, 2722 171 90557,
2722 171 90561, 2722 171 90562
19300_019_120403.eps
120403