Smps Circuit (Sa-Akx52Ph/Pn-K) - Panasonic SA-AKX32PH Service Manual

2.11. SMPS Circuit (SA-AKX52PH/PN-K)

With reference to original service manual (section 17.9) on page 113 & 114.
1 2 3
SCHEMATIC DIAGRAM - 21
A
J
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
ECO_CTL
11
B
TO
DCDET2 10
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
C5900
10
ADD...
PN ONLY
(TH5861,R5898,C5900)
F
R5898
10K
G
H
1 2 3
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE
Q5862
R5862 R5863
B1GBCFJJ0051
18K 18K
DC DETECT
R5860 R5861
Q5860 10K 3.3K
Q5861
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
R5866
Q5899
22
QR5812
B1ABGC000001
B1GDCFJJ0047
SHUNT REGULATOR
R5805
CONTROL
SWITCH
3.3K
SYS3.3V
R5868
R5867 C5871 R5865
22K
100K 0.01 220
QR5811
ECO_CTL
B1GBCFJJ0051
SWITCH
PCONT
4 5 6
7 8 9
10
11
12
13
14
+37V
15
D5801
GND
B0ABSM000008 16
TH5860
D4CC11040013
17
+16.8V
1 2 3 T5701
18
G4DYZ0000051...PH
G4DYZ0000050...PN
MAIN TRANSFORMER
10 9
C5805 11 8
R5832 50V2200
2.2K 2.2K
12 7
13 6
C5808
R5834
50V2200
2.2K 2.2K
14 5
15 4
16 3
3 2 1
R5720
22
17 2
D5803
B0HFRJ000012
18 1
D5802
B0ABSM000008
C5812 C5813
0.1 35V330
B1BABG000007
PC5720
B3PBA0000503
FEEDBACK
R5809 R5807
330 330
1 4
R5808
2.2K
R5802 C5810
2 3
10K 0.1
IC5801
R5803
C0DABFC00002
10K
SHUNT REGULATOR
R5804
82K
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
19
10 11 12
FOR PH FOR PN
10
9 9
-37V -37V
8 11 8
12
7 7
GND GND
13
6 6
5 14 5
VIN
+37V
4 15 4
VIN
VIN
GND
16
3 3
VCC VCC
17
2 2
+16.8V
1 18 1
GND GND
R5702 R5703
C5713
100K...PH
100K...PH
0.01
33K...PN
33K...PN
3
D5702
B0ZAZ0000052
1 2
R5724
120 D5726
B0EAKM000117
D5731
R5723
B0EAMM000057 1K
D5721
B0BC010A0007...PH
L5704
B0BC018A0267...PN
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...PH
820P
C5727...PN
D5725
3300P
B0BC6R100010
1/2 2/2
SA-AKX52PH/PN SMPS CIRCUIT
10 11 12
13 14
P1
1
TO SMPS
CIRCUIT (2/2)
2
3
R5732
100
IC5701
C5HACYY00004...PN
C5HACYY00005...PH
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
0.1
FOR PN
R5727
0.1
13 14