Smps Circuit - Panasonic SA-MAX500LMK Service Manual

14.8. SMPS Circuit

1 2 3
SCHEMATIC DIAGRAM - 25
A
M
SMPS CIRCUIT
CN5801
L
+35V_SENSE 6
TO
+35V_SENSE 5
D-AMP CIRCUIT
SYS_GND 4
(ZJ5500*)
SYS_GND 3
IN SCHEMATIC
-35V_SENSE 2
B DIAGRAM - 23
-35V_SENSE 1
CN5802
SMPS_ID
15
PCONT 14
DC16V 13
C
+16V_GND 12
ECO_CTL
11
B
TO DCDET2 10
MAIN(MICON)
TEMP_DET 9
CIRCUIT (CN2007) SYS3.3V 8
IN SCHEMATIC SYNC
7
DIAGRAM - 7 +35V_SENSE 6
+35V_SENSE
5
C5831
OUTP_GND 4
0.1
OUTP_GND 3
C5832
-35V_SENSE 2
0.1
-35V_SENSE
1
D
K1...PH
0
TP 1
E
F
G
NOTE: " * " REF IS FOR INDICATION ONLY
H
1 2 3
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE
R5701
220K
PCONT
PW_DC+16V
R5862 R5863
TEMP_DET
B1GBCFJJ0051
18K 18K
PW_SYS3.3V
R5860 R5861
SYNC
1.8K
10K
Q5860
Q5861
B1ADCF000001
B1ABCF000176
R5864
TEMPERATURE DETECT TEMPERATURE DETECT
C5896 10K
C5870
0.1
0.1
R5800 R5841
15K 120K
TH5861
D4CCY1040001
R5840 C5843
82K
10
R5801
C5844
22K
10
QR5801
B1GBCFJN0038
D5804 QR5802
SWITCH B0ACCK000012
B1GDCFGA0018
DC DETECT
TEMP_DET
PW_DC+16V
C5900
10
R5898
10K
PW_SYS3.3V
PCONT
4 5 6
7 8 9
D5801
Q5862
B0ABSM000010
TH5860
D4CCY1040001
DC DETECT
1 2 3
C5869 T5701
0.1
G4DYZ0000062
MAIN TRANSFORMER
1 0
-37V
C5805 11
R5836 R5833 R5832
50V2200
2.2K 2.2K 2.2K
12
13
GND
C5808
R5837 R5835 R5834
50V2200
2.2K 2.2K
2.2K
14
+37V
15
HEATSINK*
GND
16
3 2 1
17
G1 G2
+18V
D5803
18
B0HFRJ000012
D5802
B0ABSM000010
C5812 C5813
0.1 35V330
C5826 C5800
0.01 0.01
PC5720
B3PBA0000579
CHASSIS GND FEEDBACK
R5809 R5807
330 330
1 4
R5808
2.2K
R5802 C5810
10K 0.1 2 3
IC5801
C5817 R5803
C0DAZYY00039
100V0.1 10K
SHUNT REGULATOR
R5814 R5804
8.2K 82K
K
R5806
15K
A
R5805
C5818
3.3K
0.1
R
R5865
180 PC5701
B3PBA0000579
FEEDBACK
1 4
R5817 R5810
330 330
2 3
QR5810
B1GBCFLL0037
PCONT SWITCH
7 8 9
10 11 12
C5713
R5702
0.01
9
200K
R5703
8
200K
HEATSINK*
3
7
R5715
200K D5702
B0ZAZ0000089
6
G1 G2
R5716
1 2
200K
5
4
VIN
R5724
3
120
R5720
22
VCC
2
R5723
D5731 1K
B0EAMM000057
1
GND
D5721
L5704
B0BC010A0007
J0JBC0000019
Q5720
B1BABG000007
VOLTAGE REGULATOR
Q5722
R5722
D5724
1.2K
B1ABCF000176 B0ACCK000012
R5721 CURRENT
10K LIMITING SWITCH
D5728
B0ACCK000012
C5720
100P
R5730
C5728
1K 1000P
D5722
B0BC019A0007
R5728 C5721 R5729
100K 220P 10K
D5723
B0ACCK000012
1/2 2/2
SA-MAX500 SMPS CIRCUIT
10 11 12
1 3 1 4
P1
1
TO SMPS
CIRCUIT (2/2)
2
3
4
D5726
B0EAKM000117
D5729
B0EAMM000057
D5727
B0ACCK000012
5
6
C5722 D5732
1000P B0BC035A0007
7
D5725
B0BC6R100010
8
1 3 1 4