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3.12. SMPS Circuit (For SA-AKX52PH/PN-K, SA-AKX52PR-K)
With reference to original service manual (section 17.9.) on page 113-114 for Model No. SA-AKX52PH/PN-K
With reference to SA-AKX52PH/PN-K service manual (section 17.9.) on page 113-114 for Model No. SA-AKX52PR-K
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
IN SCHEMATIC
SYNC
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
F
R5898
10K
G
FOR PN
H
1
2
3
4
5
6
: +B SIGNAL LINE
: -B SIGNAL LINE
Q5862
R5862
R5863
B1GBCFJJ0051
18K
18K
DC DETECT
R5860
R5861
3.3K
Q5860
10K
Q5861
B1ADCF000001
B1ABCF000176
TEMPERATURE DETECT
C5869
R5864
TEMPERATURE DETECT
0.1
10K
C5870
0.1
R5800
R5841
R5836
15K
120K
2.2K
R5840
R5837
C5843
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
SWITCH
CONTROL
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
15
D5801
B0ABSM000008
16
TH5860
D4CC11040013
17
1
2
3
T5701
18
G4DYZ0000051...PH
G4DYZ0000050...PN
MAIN TRANSFORMER
10
9
C5805
11
8
R5833
R5832
50V2200
2.2K
2.2K
12
7
13
6
C5808
R5835
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
PC5720
B3PBA0000503
FEEDBACK
R5809
R5807
330
330
1
4
R5808
2.2K
R5802
C5810
2
3
10K
0.1
IC5801
C0DABFC00002
R5803
C0DAAYY00072
10K
SHUNT REGULATOR
CHANGE
R5804
82K
C
1
R5806
B0BC019A0007
15K
3
C5818
A
0.1
B0ACCK000012
2
R
PC5701
B3PBA0000503
FEEDBACK
1
4
R5817
R5810
330
330
QR5810
2
3
B1GBCFLL0037
PCONT SWITCH
7
8
9
22
10
11
12
FOR PH
FOR PN
9
10
9
-37V
-37V
8
11
8
7
12
7
GND
GND
6
13
6
5
14
5
+37V
+37V
VIN
4
15
4
VIN
VIN
GND
GND
3
16
3
VCC
VCC
2
17
2
+16.8V
+16.8V
1
18
1
GND
GND
R5703
R5702
C5713
100K...PH
100K...PH
0.01
33K...PN
33K...PN
3
D5702
B0ZAZ0000052
1
2
R5724
D5726
120
B0EAKM000117
D5731
R5723
B0EAMM000057
1K
D5721
B0BC010A0007...PH
L5704
B0BC018A0267...PN
J0JBC0000019
Q5720
B1BABG000007
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
D5722
50V56
C5721
C5722
220P
1000P
D5723
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
S
2
1
D
4
R5726
0.1
FOR PN
R5727
0.1
13
14