Panasonic SA-PT70EB Service Manual page 88

VREF
1
3 IN OUT 1
IC202
C0CBABC00117
VOLTAGE
REGULATOR
TO POWER SUPPLY
SECTION (1/2)
Q105
DC DETECT
Q106
DC DETECT
D113 D204
IP100
2 1 2
D402
3
4
Q2011
-5V -5V
5
REGULATOR
6
7
1 VIN VOUT 2
IC106
C0DBAYH00005
SWITCHING
REGULATOR
VREF
SYS6V CN201 FP8101 NSW+6V
27 24
12V
Q107
+9V CN201 FP8101
M+9V M+9V
REGULATOR
29,31 20,22
D110
TO
DC DET2
SYSTEM CONTROL
-5V
TO
DC DET1
SYSTEM CONTROL
VDD
D703 D702
SW5V
DVD ADAC+5V CN201 FP8101
43 8
CN201 FP8101
DVD D5V
33,35,37,39 12,14,16,18
SW5V
+5V
IC107
C0CBABC00117
VOLTAGE
REGULATOR
SW5V D3.3V
+3.3V
3 IN OUT 1
V+5V CN201 FP8101
41 10
MAIN/D-AMP P.C.B
CN203
7
DVD MODULE P.C.B
+6V
IC3952
C0CBCDC00063
VOLTAGE
REGULATOR
DVD D+5V
+5V
5 IN OUT 4
+9V
CN203
16
CN203
15
CN203
17
CN203
6
+5V
+5V
DVD MODULE P.C.B
IC8111
C0DBFZG00001
SWITCHING
REGULATOR
D3.3V
+3.3V
1 VCC D3.3V 6
NSW1.2V
3 VCC 1.2V 7 +1.2V
FP8301
4
88
FL P.C.B
CN901 VREF
VREF
11
CN901 FL-
FL-
13
CN901 FL+
FL+
12
CN901 -VP
-VP
1
CN901
SW+3.3V
+3.3V
12
SCART P.C.B
CN4001
+5V
14
SA-PT70EB/EG/EP POWER SUPPLY(2/2) BLOCK DIAGRAM