Main Board (8) / Pbx_I/F - Panasonic VL-SWD272BX Service Manual

13.1.8. Main Board (8) / PBX_I/F

VL-SWD272BX/SWD272CX/SWD272CX1/SWD272AZ/VL-WD613CX/VL-WD613CX1
-
+
R809
68
0.25
D803
( )
NC
R812 R808
4.7k 10k
C812
C811
( )
NC
0.22u 16
3p C820
IC801
1 8
AOUT V+
R813 27k
2 7
A-IN BOUT
C816 100p
3 6
A+IN B-IN
4 5
V- B+IN
C819
C822 3p
3p
3p C821
10k
1 4
2 3
R810
R820 R819
5.6k 47k
VL-SWD272/VL-MWD272: Main Board No.8: PBX_I/F
89
C802
10u 10V
R803
1k
C801 R801
0.01u 10k
( )
NC
C818
NC: No Components