Low Voltage Power Supply Board (Pcb6) - Panasonic KX-FLM652CX Service Manual

15.4. LOW VOLTAGE POWER SUPPLY BOARD (PCB6)

CN1
F2
L
1
2
N
19.5833V
-2.08333V
Q1
0.1kV/div
R19
10
875mV
-604.167mV
20V
5V/div
-1.45833V
TH1
L1 L2
( (
) )
( )
NC
NC NC
FG
D3
R41 R4 R3 R2
( )
100k 100k 150k 150k 329.167V
NC
5V/div
-175V
Q21
C10 C10
R6 270
R25
0.01
R7
0
D20
270
D7
R24 R21
Q22
0.2V
47k 47k
C15 100p
Q23
D23
R14
100k
Q2
18.3333V
0.5V/div
-24.1667V
R303
4.7k
C
Q272
R280
Q301 8.2k
Q274
D
2
10
R32
D10
1
SCR1
L3
D12
20V/div
0.0022
C6
Z2
NC
( )
C60
L101 C108 R34
( )
( )
NC
NC
0.001
T1
8
6
7
D101
5
0.1kV/div
4
D501
9
10
11
C110
3
( )
NC
13
12
PC2
D
1
C7
0.0047
2
11.25V
FG
C17
10V/div
( ) -24.5833V
NC
10V/div
26.875V
C275
5V/div
( )
NC -2.08333V R201
Q271
L271
Q275 R202
R203
R204
R205
4.7k
Q277
R206
KX-FLM652CX LOW VOLTAGE SCHEMATIC DIAGRAM (PCB6)
N
L
CN2
28.3333V
-51.6667V
CN101
L102
+24V
1
+24V
2
R151
( )
NC
D502
+5V
7
D401
IC501
0.1
R103
68k
C105
Q401
Q101
R503
9 PDWN
1k
6 DG
3 PG
PG
4
470
R501
10 HTRCTL
R502
( )
NC
L301
1
+3.3V
8
1
Q291
1
1
1
R275 C273
56k Q292
470p
DG
5