Panasonic SA-PT470EB Service Manual page 124

15 16 17
SCHEMATIC DIAGRAM - 15
G SMPS CIRCUIT
: +B SIGNAL LINE
1
2
4
5
P1
SYS5V
TO SMPS
SECTION (1/2)
Q5899
B1ABCF000176
RELAY DRIVE
R5898
4.7K
SYS_GND
PCONT
QR5840
UNR221400L
DC DETECT
FAN_18V
VSS
D5842
MA2J11100L
DCDET
Q5841
B1ABCF000176
DC DETECT GND
FAN GND
GND
VDD
DCDET
DC_18V
H5801*
VDD +18V.-12V_GND
VDD 8
F VDD 7
C5831
TO
0.1
GND 6
D-AMP CIRCUIT
GND
GND 5
(CN5500)
C5832 -13V
VSS 4
0.1
IN SCHEMATIC
VSS
FAN_18V
VSS 3
DIAGRAM - 13
FAN GND
FAN GND 2
FAN_18V
FAN DC 1
C5823
FAN GND
0.1
FB
VCC
15 16 17
18 19 20
: -B SIGNAL LINE
RY5701
K6B1AEA00003
4 3
1 2
ZJ5803
D5801
1 2 3
B0HBSM000043
C5700
1 2 3
F1BAF1020020
1000P
ETS42BN1A6AD
MAIN TRANSFORMER
-30V
11
12
AMPGND
13
14
+30V
15
+FAN 18V
GND
R5843 16
2.2K
17
+18V
18
-12V
1 2 3
D5802
C5812 C5813 B0HBSM000054
0.1
35V330
C5815
0.1
C5826
0
C5827 0.01
C5824
D5805
25V220
B0EAMM000057
3 2 1
ZJ5801
18 19 20
21 22 23
D5799
R5707
R5705
B0EDKT000009
120K 270K
2 3
1 4
T5701
2 1
9
DRAIN
8
3
7
6
5
4
VIN
R5720
22
VCC
2
D5731
B0EAMM000057
1
21 22 23
124
24 25 26
R5704 R5706
RED
120K 270K
BLK
F2
T1.6AL 250V
D5701
B0FBAR000041
4
3
2
1
C5712
400V180
D5721
MAZ82000ML
Q5720
2SC3940ARA
D5727
R5722
CURRENT LIMITING MA2J11100L
1K
SWITCH
R5721
D5724
10K
MA2J11100L
R5725
D5729
C5720 1K
B0EAMM000057
1000P
D5722
MAZ82000ML
D5726
MA2J11100L
D5723
MA2J11100L
1/2 2/2
SA-PT470EB/EF/EG
24 25 26
27 28
A
H
TO
AC INLET CIRCUIT
IN SCHEMATIC
DIAGRAM - 16
B
C
D
E
IC5701
F
C5HACYY00003
SWITCHING REGULATOR
7 OCP/BD
C5723
470P
6 FB
5 OLP/SS
4 VCC
3 GND
G
2 S
1 D
SMPS CIRCUIT
H
27 28