Smps Circuit - Panasonic SA-AKX10PH Service Manual

18.7. SMPS Circuit

1 2 3
SCHEMATIC DIAGRAM - 10
A
I SMPS CIRCUIT
B
C
CN5801
H
+30V_SENSE 6
TO
+30V_SENSE 5
D-AMP CIRCUIT C5831
0.1
GND 4
(ZJ5901*)
GND 3
IN SCHEMATIC
C5832
-30V_SENSE 2
DIAGRAM - 9 0.1
-30V_SENSE 1
D
E
CN5802
AM_BP
AM_BP 11
NC 10
PCONT
PCONT 9
B
TO
DC18V 8
MAIN CIRCUIT C5812
DC18V 7
0.1
(ZJ2701*)
+18V.-12V_GND 6
IN SCHEMATIC
+18V.-12V_GND 5
DIAGRAM - 5 DCDET 4
C5896
NC 3
0.1
SYS3.3
SYS3.3 2
F
SYNC
SYNC 1
K1...PN
0
K3...PH
0
G
H
1 2 3
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE
Q5862
B1GBCFJJ0051
R5862 R5863
TRANSFORMER
18K 18K
TEMP. DETECT
R5860 R5861
Q5860
10K 4.7K
B1ADCF000001 Q5861
TRANSFORMER B1ABCF000176
C5869
TEMP DETECT. R5864
TRANSFORMER 0.1
10K
C5870 TEMP. DETECT
0.1
R5800 R5841 R5836 R5832
15K 120K 2.2K 2.2K
FOR PH
R5840 C5843 R5837 R5834
82K 10 2.2K 2.2K
R5801
C5844
22K
10
QR5801
B1GBCFJN0038
D5804 QR5802
POWER CONTROL B0ACCK000012
B1GDCFGA0018
DC DETECT
D5802
B0ABSM000008
C5826 C5800
0.01 0.01
GND
R5821 R5822 R5823 R5824
470 470 470 470
R5825 R5826 R5827 R5828
470 470 470 470
C5817
100V0.1
R5814
Q5803
AM_BP
8.2K
B1BABG000007
R5820
AMBP SWITCH
10K
PCONT
4 5 6
7 8 9
10
-30V
11
12
AMPGND
13
14
+30V
15
+FAN 18V
GND
16
D5801
17
B0ABSM000008
+18V
TH5860
D4CC11040013
18
1 2 3
T5701
ETS39AG4M6AD...PH
ETS39AG4NGAD...PN
MAIN TRANSFORMER
10 9
11
C5805 8
R5833
50V1000
2.2K
12
7
13 6
C5808
R5835
50V1000
2.2K
14 5
15
4
16
3
3 2 1
R5720
22
17 2
D5803
B0EAMM000057
B0HFRJ000012
18 1
D5721
B0BC010A0007...PH
B0BC018A0267...PN
C5813
35V330
B1BABG000007
LIMITING SWITCH
PC5720
B3PBA0000402
FEED BACK
R5809 R5807
330 330 R5721
10K
1 4
R5808
2.2K
2 3
C5720
0.1
R5802 C5810
12K 0.1
IC5801
C0DABFC00002 R5730
1K
SHUNT REGULATOR
R5803
1K
C
1
D5722
R5804
R5806
B0BC019A0007
47K
15K
3
C5818 A D5723
0.1 B0ACCK000012
2
R
R5805
PC5701
2.2K
B3PBA0000402
FEED BACK
1 4
R5817 R5810
330 330
QR5810
2 3
B1GBCFLL0037
INVERTER
7 8 9
90
10 11 12
FOR PN FOR PH
10
9 9
-30V
DRAIN
DRAIN
8 11 8
7 12 7
AMPGND
13
6 6
14
5 5
+30V
4 15 4
VIN +FAN 18V VIN
GND
3 16 3
VCC VCC
17
2 2
+18V
18
1 1
R5702 R5703
C5713
100K...PH 100K...PH
0.01
33K...PN 33K...PN
3
D5702
B0ZAZ0000052
1 2
R5724
D5726
120
B0EAKM000117
D5731 R5723
1K
L5704
J0JBC0000019
Q5720
CURRENT
D5729
B0EAMM000057
Q5722
R5722 D5727
B1ABCF000176 1.2K
B0ACCK000012
CURRENT
LIMITING SWITCH
D5724
B0ACCK000012
D5728
B0ACCK000012
C5725 C5723
0.1 470P
C5728
1000P
C5724 R5733
50V56 47K
C5721 C5722
220P 1000P
C5737...PH
820P
C5727...PN
D5725
3300P
B0BC6R100010
1/2 2/2
SA-AKX10PH/PN SMPS CIRCUIT
10 11 12
13 14
P1
1
2
TO SMPS
SECTION (2/2)
3
R5732
100
IC5701
C5HACYY00004...PN
C5HACYY00005...PH
SWITCHING REGULATOR
7 OCP/BD
6 FB
5
OLP/SS
C5730
1
4
VCC
C5726
0.1
3 GND
2 S
1 D
4
R5726
0.1...PH
0.15...PN
R5727 0.13
FOR PN
13 14