Smps Circuit (Sa-Akx92Ph-K) - Panasonic SA-AKX32PH Service Manual

2.19. SMPS Circuit (SA-AKX92PH-K)

With reference to original service manual (section 17.10) on page 126.
1 2 3
SCHEMATIC DIAGRAM - 22
A
K
SMPS CIRCUIT
CN5801
I
+35V_SENSE 6
TO
+35V_SENSE 5
D-AMP CIRCUIT
SYS_GND 4
(ZJ5500*)
SYS_GND 3
IN SCHEMATIC
-35V_SENSE 2
B DIAGRAM - 20
-35V_SENSE 1
CN5802
AM_BEATPROOF 15
PCONT
PCONT
14
DC16V
DC16V 13
C
+16V_GND
12
ECO_CTL
11
B
TO
DCDET2 10
TEMP_DET
MAIN CIRCUIT
TEMP_DET
9
SYS3.3V
(ZJ2007*)
SYS3.3V 8
SYNC
IN SCHEMATIC
SYNC 7
DIAGRAM - 5
+35V_SENSE 6
+35V_SENSE 5
C5831 C5896
SYS_GND 4
0.1 0.1
SYS_GND 3
C5832
-35V_SENSE 2
0.1
-35V_SENSE
1
D
TH5861
D4CC11040013
E
TEMP_DET
C5900
10
F
R5898
10K
SYS3.3V
G
H
1 2 3
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE
CHANGE
Q5862
R5862 R5863
B1GBCFJJ0051
18K 18K
DC DETECT
R5861
R5860
2.7K
Q5860 10K
Q5861
2.2K
B1ADCF000001
B1ABCF000176
C5869
TEMPERATURE DETECT
R5864 TEMPERATURE DETECT
0.1
10K C5870
0.1
R5800 R5841 R5836 R5833
15K 120K 2.2K
R5840 R5837
C5843 R5835
82K 10 2.2K
R5801
C5844
22K
10
QR5801
B1GBCFJN0038
D5804
QR5802
SWITCH
B0ACCK000012
B1GDCFGA0018
DC DETECT
DC16V
C5826 C5800
0.01 0.01
CHASSIS GND
C5817
100V0.1
R5814
8.2K
R5805
2.2K
R5865
0
PCONT
4 5 6
7 8 9
D5801
B0ABSM000008
TH5860
D4CC11040013
1 2 3
T5701
G4DYZ0000049
MAIN TRANSFORMER
10 9
-30V
C5805 11 8
R5832 50V2200
2.2K 2.2K
12 7
13 6
VIN
C5808
R5834
50V2200
2.2K 2.2K
14 5
+30V
15 4
VIN
GND
16 3
3 2 1
R5720
22
VCC
17 2
+18V
D5803
B0HFRJ000012
18 1
D5802
GND
B0ABSM000008
C5812 C5813
0.1 35V330
B1BABG000007
PC5720
B3PBA0000503
FEEDBACK
R5809 R5807
330 330
1 4
R5808
2.2K
R5802 C5810
2 3
12K 0.1
IC5801
R5803
C0DABFC00002
1K
SHUNT REGULATOR
R5804
47K
C
1
D5722
R5806 B0BC019A0007
15K
3
C5818 A
D5723
0.1 B0ACCK000012
2
R
PC5701
B3PBA0000503
FEEDBACK
1 4
R5817 R5810
330 330
QR5810 2 3
B1GBCFLL0037
PCONT SWITCH
7 8 9
35
10 11 12
C5713
R5702 R5703
0.01
100K 100K
3
D5702
B0ZAZ0000052
1 2
R5724
120 D5726
B0EAKM000117
D5731
R5723
B0EAMM000057 1K
D5721
L5704
B0BC010A0007
J0JBC0000019
Q5720
CURRENT D5729
LIMITING SWITCH
B0EAMM000057
Q5722
R5722
D5727
1.2K
B1ABCF000176 B0ACCK000012
R5721
CURRENT
10K LIMITING SWITCH
D5724
B0ACCK000012
D5728
B0ACCK000012
C5720
0.1
C5725
0.1
R5730
1K
C5728
1000P
C5724
50V56
C5721 C5722
220P 1000P
C5737
470P
D5725
B0BC6R100010
1/2 2/2
SA-AKX92PH SMPS CIRCUIT
10 11 12
13 14
P1
1
TO SMPS
CIRCUIT (2/2)
2
3
R5732
100
IC5701
C5HACYY00005
SWITCHING REGULATOR
7 OCP/BD
6 FB
5 OLP/SS
C5723
C5730
470P
1
4 VCC
C5726
0.1
GND
3
R5733
47K
2 S
1 D
4
R5726
0.15
R5727
0.15
13 14