Main (Supply) Circuit - Panasonic SA-PM250EB Service Manual

13.4. MAIN (SUPPLY) CIRCUIT

1 2 3
SCHEMATIC DIAGRAM - 3
A
B MAIN (SUPPLY) CIRCUIT
B
R1144 0
DA PW_BT_5V
CD MOTORGND
PW_5V
US
LB1108
C
J0JGC0000063
PW_D3R3V
DA MI
US DA MI DGND
LB1107
J0JGC0000063
DA MI PW_STBY3R3V
R1141
D
23.2K
R1130
10K
E
LB1101
J0JYC0000656
MI PW_STBY1R55V
VP_GND
DA
F
LB1100
J0JYC0000656
PW_LCD9V
DA
G
H
1 2 3
4 5 6
: +B SIGNAL LINE
IC1103
C0DBGYY03909
+3.3V VOLTAGE REGULATOR
GND VOUT VIN
1 2 3
C1101
1
C1100
10
IC1102
C0DBEYY00267
D1103
+3.3V VOLTAGE REGULATOR
B0JCGD000016
R1145
4 3 2 1 0
1
ADJ VOUT VIN CE
3
2
C1183
D1104
0.1 B0ADDH000009
GND GND GND GND
5 6 7 8
R1101
0
IC1106
R1142
5.6 C0DBGYY00911
+1.55V VOLTAGE REGULATOR
R1143
5.6
1 CE VDD 4
2 GND VOUT 3
R1147
C1187 C1137
100P 1
R1104
0
LB1102
C1130
R1116
C1131
1 J0JGC0000063
56K 1
1 2 3
IC1104
VOUT GND VIN
R1150
C0DBEYY00146
R1129 2.2K
150K
CE ADJ +9V VOLTAGE REGULATOR
5 4
4 5 6
7 8 9
MI SMPS_CUT
Q1100
B1CHRC000047
SWITCH
R1105
27K
5 4
6 3
QR1101
B1GBCFNN0038
7 2
SWITCH
DA PW_DAMP19V 8 1
DAMP_GND
DA
MI PCONT
QR1102
B1GBCFNN0038
D1100
PCONT
DA2J10100L
MI DC_DET_PWR
D1105
DZ2J062M0L
IC1108
C0DBGYY05244
+5V VOLTAGE REGULATOR
VOUT GND VIN
3 2 1 LB1106
J0JGC0000063
0
C1146
C1148
1
1
C1191
R1102
100P
0
7 8 9
49
10 11 12
MI M_VDET
LB1109 CN1100
C1125
J0JGC0000063
0.1
1 5.2V
2 DGND
3 PCONT
C1188
100P 4 19V
R1149 2.2K
5 19VGND
6 19V
7 19VGND
LB1110 J0JYC0000656
SMPS_ID
MI 8 REGION
LB1111 J0JYC0000656
MI PCONT3 9 PCONT3
LB1112 J0JYC0000656
STBY_CTRL 10 BURST SW
MI
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 1 ~ 2
DA: MAIN (DAMP): SCHEMATIC DIAGRAM - 4
CD: MAIN (CD MOTOR DRIVER): SCHEMATIC DIAGRAM - 5
US: MAIN (USB): SCHEMATIC DIAGRAM - 6
SA-PM250EB/EC/EE/EF/EG MAIN (SUPPLY)
10 11 12
13 14
A
B
C
D
G
TO
SMPS
CIRCUIT (P1700)
IN SCHEMATIC
DIAGRAM - 8
E
F
G
CIRCUIT
H
13 14