E) Transformer Cuircuit & (L) Voltage Selector Circuit - Panasonic SA-AK220GCP Service Manual

17.6. (E) Transformer Cuircuit & (L) Voltage Selector Circuit
SCHEMATIC DIAGRAM - 12
TRANSFORMER CIRCUIT
VCC+
1
2
VCC-
TO
3
POWER
4
CIRCUIT
AC GND
(H950/
5
W950) ON
6
SCHEMATIC
DIAGRAM-13 AC_IN
7
SUB B
8
SUB+B GND
9
CN950
Q951
2SB621ARSTA
VOLTAGE REGULATOR
(-VP)
FL2
1
-VP
2
FL1
3
SYS6V
TO
4
PANEL
SYS6V
CIRCUIT 5
(H600/W600) PCONT
6
ON
SYNC
7
SCHEMATIC
D_GND
DIAGRAM-9
8
ST_GND
9
CN951
KRC102MTA
SYCHRONISING
Q952
Q954
B1AAGC000007
CURRENT LIMITING
SWITCH
: +B SIGNAL LINE
D952
D953
D950~D953
B0EAMM000038
D951
D950
D956 D954
1T3T
C950
1T3T
C959
25V2200
0.01
D955
D957
1T3T
1T3T
D959
Q951 R959
1T3T
4.7
C958
R960
0.01
4.7K
C956
63V100
R961
C957
D960
150
100V10
MAZ42700HF
R956 R955 R954
10 10
10
D966
B0EAKM000122
Q950
Q950
Q952
KTC3205YTA
SYSTEM 6V
VOLTAGE REGULATOR
SWITCH
C963 C952
R958
10V47
35V4.7
10K
R957
C954
10K
0.01
: -B SIGNAL LINE
VOLTAGE
SELECTOR
CIRCUIT
T950
G4C7AGK00002
FP950
4000
FP951
C955 1000
50V100
Q953
B1AAGC000007
POWER CONTROL
SWITCH
D958
1T3T
Q953
R951
3.3K
Q954
R963
C964
820K
R952
1000P
1.2K
D963
R953
D967
C953
1.5K
0.01 D968
B0AACK000004
D964
B0BA7R000005
D961~D963, D967
B0EAKM000122
61
5 6
240
4 7
127
220
110
110
127
3 220 8
240
1
2
RL950
RSY0040M-0
1 2
3 4
D965
B0EAKM000122
Z950
D961
ERZV10V511CS
T951
G4C2AAJ00005
C951
0.01
D962
SA-AK220GCP
S950
K0AFZA000005
JK950
110V/127V/
220-230V/240V
50/60Hz