Smps Circuit - Panasonic SA-AKX76PH Service Manual

14.5. SMPS Circuit

1 2 3
SCHEMATIC DIAGRAM - 18
A
G SMPS CIRCUIT
CN5802
SMPS_BP 13
PCONT 12
DC 36V 11
B
SMPS_ID 10
A
TO SYS3.3V 9
MAIN (MICON)
SYNC 8
CIRCUIT (CN2008)
+36V_SENSE 7
IN SCHEMATIC
+36V_SENSE 6
DIAGRAM - 10
+36V_SENSE 5
POWER_GND 4
POWER_GND 3
POWER_GND 2
TEMP_DET 1
C
D
E
F
G
H
NOTE: " * " REF IS FOR INDICATION ONLY
1 2 3
4 5 6
: +B SIGNAL LINE
R5898 10K
R5700 C5800
1K...PH 0
220K...PN
C5896 0.1
C5895 C5812
0.1 0.1
C5826
0
C5832 0.1
C5813 C5808
50V330 50V6800
L5801
G0C220KA0174
D5801
B0ABSM000008
3 2 1
R5904 R5907 R5906 R5901
470 470 470 470
1 2 3
R5905 R5908 R5902 R5903
470 470 470 470
D5802
R5909
B0ABSM000008
1K
Q5803
B1BABG000007
BEATPROOF SWITCH
C5817
50V0.1
R5802
8.2K
R5806
R5814
C5818
100K
R5805
5.6K
R5865
1.8K
B1GBCFLL0037
4 5 6
7 8 9
HEATSINK
G1 G2
C5900
TH5861
10
D4CCY1040001
T5701
G4DYZ0000070
MAIN TRANSFORMER
9
AMPGND DRAIN
11
8
12 7
C5839 C5842
13 6
0.01 0.01
14 5
+36V VIN
15 4
16
D5731
R5720
B0EAMM000057
22
VCC
17 2
1
GND
PC5720
R5807 C5730
FEEDBACK
1.8K R5730 1
1K
1 4
R5808
2.2K
2 3
D5725
DZ2J062M0L
K
IC5801
15K
A C0DAZYY00039
SHUNT REGULATOR
0.1
R
C5708
F1BAF471A013...PN
470P
F1BAF1020020...PH
1000P
Q5720
B1BABG000007
VOLTAGE REGULATOR
D5728
DA2J10100L
R5721 10K
C5720 100P
D5722
DZ2J200M0L
D5723
DA2J10100L
PC5701
FEEDBACK
1 4
R5810
QR5810
330
2 3
PCONT SWITCH
7 8 9
70
10 11 12
D5702
B0ZBZ0000205
R5717 R5716 R5718 C5713
100K 100K 100K 4700P
R5715 R5703 R5702
100K 100K 100K
Q5701
B1DEHU000002
SWITCH D
G
IC5701
D5703
S
B0JCPD000025
C1ZBZ0004646
SWITCHING REGULATOR
R5713
330
R5711
D5732
10
DZ2J360M0L
GND DRIVE
1 8
C5724 C5726
R5712
50V56 0.1 10K
R5733 2 VCC OCP2 7
47K R5710
390K
3 6
OLP/SS BURST
C5709
1000P
4 FB OCP/BD 5
C5723
470P
R5732
100
Q5721
D5721 R5724
B1ADCF000001
120
DZ2J180M0L
L5704
J0JAC0000018
R5723
1K
Q5711
R5729 R5722
B1ABCF000176
10K 1.2K
CURRENT R5728
100K
LIMITING SWITCH
C5728
1000P
C5721
220P
1/2 2/2
SA-AKX76PH/PN SMPS
10 11 12
13 14
1
2
3
4
C5737
2700P
C5700
F1BAF471A013...PN
470P
F1BAF1020020...PH
1000P
5
6
7
D5726
B0EAMM000057
D5729
B0EAMM000057
TO SMPS
CIRCUIT (2/2)
D5724
DA2J10100L
C5722
1000P
D5727
DA2J10100L
CIRCUIT
13 14