Panasonic SA-AK270PL / SA-AK270GCP / SA-AK270EB / SA-AK270EG / SA-AK270PR Service Manual / Supplement ▷ View online
1
4
2
3
5
1/2
2/2
SA-AK270PL/GCP SMPS CIRCUIT
TO SMPS
SECTION (1/2)
SCHEMATIC DIAGRAM - 14
SMPS CIRCUIT
: +B SIGNAL LINE
: -B SIGNAL LINE
15
16
17
18
19
20
21
22
23
24
25
26
27
28
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
B
D
E
F
H
G
C
6
7
5
2
4
3
8
1
-VCC
+VCC
IC5780
SYS6V
C5712
400V330...GCP
200V560...PL
6
7
5
2
4
3
8
1
IC5799
MIP4110MSSCF
1000V47P
C5797
R5795
43K
D5797
MA2J72800L
22P
C5794
R5787 75K
2.2K
R5796
50V2.2
C5791
0.1
C5796
2200P
C5795
R5797
4.7K
C5703
F0C2H1040001
0.1...GCP
F0CAF224A085
0.22...PL
3
2
1
4
B0FBAR000041
D5701
39K
R5893
SYNC
C5899 16V220
D5730
MA2J11100L
D5798
B0HAMP000094
390K
R5704
390K
R5705
R5798
10
C5798
50V56
4
3
1
2
PC5702
B3PBA0000402
4
3
1
2
B3PBA0000402
PC5799
100
R5897
Q5898
IC5899
C0DAEMZ00001
B1ABCF000176
R5896
100K
C5897
0.1
2.2K
R5890
1K
R5894
B0EAMM000057
D5896
B0HAMP000094
D5793
C5790
2200P
R5891
33K
200K
R5786
9
10
7
8
1
6
ETS19AB256AG
BACKUP TRANSFORMER
SWITCHING REGULATOR
T5751
4.7K
R5892
100
R5895
0.1
C5898
A
R
3
2
C
1
INVERTER
SYNC SWITCH
FEED BACK
FB
S
S
D
NC
VDD
CL
VCC
5
4
2
3
SHUNT REGULATOR
TH5701
D4CAA5R10001
BLK
RED
TO
AC INLET CIRCUIT
IN SCHEMATIC
DIAGRAM -9
BLU
WHT
TO
VOLTAGE SELECTOR
CIRCUIT
IN SCHEMATIC
DIAGRAM -9
C5711 400V330
FOR
GCP
ONLY
FOR GCP ONLY
FOR PL ONLY
K5736
0
K5711
0
C5750
0.1
FOR GCP ONLY
FOR GCP ONLY
0.1
FOR GCP ONLY
C5788
C5789
0.1
C5793
0.1
C5799
50V56
R5751
22K
R5752 2.2K
22K
R5788
22K
R5789
R5790
33K
1K
R5791
R5792 390K
R5794 390K
R5793 390K
R5799
10
D5795
B0BC5R000009
D5796
D5796
B0ACCK000005
MA2J11100L
D5799
B0EAMM000057
B1ABCF000176
Q5750
INVERTER
7
6
C0ABBA000168
OP AMP
IC5780
B0HAMP000094
CORRECTION POINT
CORRECTION POINT
SA-AK270PL / SA-AK270GCP / SA-AK270EB / SA-AK270EG / SA-AK270PR
5
•
SA-AK270EB/EG-K
With reference to original service manual (section 18.9) on page 93 for Model No. SA-AK270EB/EG-K.
1
2
3
4
SA-AK270EB/EG SMPS CIRCUIT
1/2
2/2
TO
D-AMP CIRCUIT
(CN5500)
IN SCHEMATIC
DIAGRAM - 12
TO
MAIN CIRCUIT
(CN2701*)
IN SCHEMATIC
DIAGRAM - 5
TO SMPS
SECTION (2/2)
5
SCHEMATIC DIAGRAM - 13
SMPS CIRCUIT
: +B SIGNAL LINE
: -B SIGNAL LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
W5805
0
0
R5725
3
1
2
B0HBSM000043
D5801
R5834 2.2K
3
2
1
ZJ5801
2.2K
R5832
+30V_SENSE
FAN_18V
10K
R5863
DCDET
10K
3K
R5862
FAN_18V
C5823
0.1
-30V_SENSE
10K
R5864
DCDET
UNR221400L
QR5801
-30V_SENSE
R5801
10K
D5807
D5809
+30V_SENSE
R5800
12K
R5860
10K
0.1
C5831
0.1
C5832
5
6
1
3
4
2
8
7
7
H5801*
2SA207700L
Q5860
C5800
0.01
C5826 0.01
Q5862
R5861
Q5861 - Q5862
Q5861
B1ABCF000176
R5702
100K
R5703
100K
35V2200
C5805
B0HFRJ000012
D5803
35V2200
C5808
22
R5720
D5731
B0EAMM000057
3
2
1
D5702
B0ZAZ0000052
C5713 0.01
3 2 1
ZJ5803
C5700
F1BAF1020020
1000P
T5701
ETS42BN1A6AD
MAIN TRANSFORMER
C5821
0.01
C5819
0.01
C5822
0.01
C5820
0.01
25V470
C5824
SYNC
SYS6V
2.2K
R5805
15K
R5806
A
R
3
2
C
1
C0DABFC00002
SHUNT REGULATOR
FEEDBACK CONTROL
FEED BACK
INVERTER
CURRENT
LIMITING SWITCH
CURRENT
LIMITING SWITCH
FEED BACK
IC5801
0.1
C5818
-13V
DCDET
0.1
C5815
C5812
0.1
DC_18V
0
R5803
47K
R5804
0.1
C5810
2.7K
R5802
C5896
0.1
6
8
9
7
2
1
1
4
5
3
10
11
CN5802
PCONT
B1GBCFLL0037
QR5810
330
R5809
330
R5807
1K
R5730
B0BC6R100010
D5725
2.2K
R5808
4
3
1
2
B3PBA0000402
PC5720
R5817 330
R5810 330
4
3
1
2
B3PBA0000402
PC5701
1.5K
R5811
0.1
C5825
1.5K
R5816
8.2K
R5812
MAZ80750ML
D5806
SYS6V
-30V_SENSE
+30V_SENSE
2.7K
R5815
24K
R5813
Q5802
B1ABCF000176
120
R5724
DC_18V
3
1
2
B0HBSM000043
D5802
-13V
FAN_18V
25V470
C5816
B0EAMM000057
D5805
D5804
B0EAMM000057
11
13
14
12
10
8
6
5
7
9
18
15
16
17
1
4
3
2
C5813
35V470
R5722
1K
C5722
1000P
220P
C5721
R5729
10K
C5728
1000P
R5728
100K
D5724
D5727
MA2J11100L
MA2J11100L
R5732
100
R5726
82M
B1ABCF000176
Q5722
10K
R5721
D5722
B0BC019A0007
MA2J11100L
D5723
C5720
0.1
B0EAMM000057
D5729
D5721
MAZ81800ML
D5726
B0EAKM000117
SWITCH
R5723
1K
2SA207700L
Q5721
MA2J11100L
D5728
2SC3940ARA
Q5720
Q5720
Q5722
C5737
470P
C5726
0.1
C5730
50V1
C5724
D5732
B0BC035A0007
50V56
R5733 47K
R5731
0
C5725
0.1
C5723 470P
+30V_SENSE
PCONT
DC18V
AM_BP
-13V
DCDET
DC18V
+18V.-12V_GND
+18V.-12V_GND
+18V.-12V_GND
GND
GND
-30V_SENSE
FAN_GND
FAN_18V
-30V_SENSE
SYS6V
SYNC
SYS_GND
+30V_SENSE
R5750
0
TRANSFORMER TEMP DETECT
TRANSFORMER
TEMP DETECT
DC DETECT
C5869
0.1
TH5860
D4CC11040013
PCONT
8.2K
R5814
100V0.22
C5817
VIN
VCC
DRAIN
+30V
-30V
+FAN 18V
GND
GND
+18V
AMPGND
-12V
AM_BP
Q5803
2SC3940ARA
SWITCH
AM_BP
R5825
1K
91
R5820
91
R5824
91
R5822
91
R5821
91
R5823
MA2J11100L
MA2J11100L
W5801
0
W5806
0
W5804
0
W5803
0
R5841
120K
R5840
6
B1GDCFGA0018
QR5802
DC DETECT
0.01
C5801
C5802 0.01
0.01
C5804
0.01
C5803
C5811 0.01
0.01
C5814
C5827
0.01
IC5701
C5HACYY00003
SWITCHING REGULATOR
2
3
1 D
S
GND
FB
VCC
OLP/SS
OCP/BD
4
5
7
6
K1
0
K2
0
CORRECTION
POINT
100K
82K
SA-AK270PL / SA-AK270GCP / SA-AK270EB / SA-AK270EG / SA-AK270PR
6
•
SA-AK270PR-K
With reference to original service manual (section 18.9) on page 95-96 for Model No. SA-AK270PR-K.
1
2
3
4
SA-AK270PR SMPS CIRCUIT
1/2
2/2
TO
D-AMP CIRCUIT
(CN5500)
IN SCHEMATIC
DIAGRAM - 12
TO
MAIN CIRCUIT
(CN2701*)
IN SCHEMATIC
DIAGRAM - 5
TO SMPS
SECTION (2/2)
5
SCHEMATIC DIAGRAM - 13
SMPS CIRCUIT
: +B SIGNAL LINE
: -B SIGNAL LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
W5805
0
2
3
1
IC5701
C5HACYY00003
SWITCHING REGULATOR
0
R5725
3
1
2
B0HBSM000043
D5801
R5834 2.2K
3
2
1
ZJ5801
2.2K
R5832
+30V_SENSE
FAN_18V
10K
R5863
DCDET
10K
3K
R5862
FAN_18V
C5823
0.1
-30V_SENSE
10K
R5864
DCDET
UNR221400L
QR5801
-30V_SENSE
R5801
10K
D5807
D5809
+30V_SENSE
R5800
12K
R5860
10K
0.1
C5831
0.1
C5832
5
6
1
3
4
2
8
7
7
H5801*
2SA207700L
Q5860
C5800
0.01
C5826 0.01
Q5862
R5861
Q5861 - Q5862
Q5861
B1ABCF000176
R5702
100K
R5703
100K
35V2200
C5805
B0HFRJ000012
D5803
35V2200
C5808
22
R5720
D5731
B0EAMM000057
3
2
1
D5702
B0ZAZ0000052
C5713 0.01
3 2 1
ZJ5803
C5700
F1BAF1020020
1000P
T5701
ETS42BN1A6AD
MAIN TRANSFORMER
C5821
0.01
C5819
0.01
C5822
0.01
C5820
0.01
25V470
C5824
SYNC
SYS6V
2.2K
R5805
15K
R5806
A
R
3
2
C
1
C0DABFC00002
SHUNT REGULATOR
FEEDBACK CONTROL
FEED BACK
INVERTER
CURRENT
LIMITING SWITCH
CURRENT
LIMITING SWITCH
FEED BACK
IC5801
0.1
C5818
-13V
DCDET
0.1
C5815
C5812
0.1
DC_18V
0
R5803
47K
R5804
0.1
C5810
2.7K
R5802
C5896
0.1
6
8
9
7
2
1
1
4
5
3
10
11
CN5802
PCONT
B1GBCFLL0037
QR5810
330
R5809
330
R5807
1K
R5730
B0BC6R100010
D5725
2.2K
R5808
4
3
1
2
B3PBA0000402
PC5720
R5817 330
R5810 330
4
3
1
2
B3PBA0000402
PC5701
1.5K
R5811
0.1
C5825
1.5K
R5816
8.2K
R5812
MAZ80750ML
D5806
SYS6V
-30V_SENSE
+30V_SENSE
2.7K
R5815
24K
R5813
Q5802
B1ABCF000176
120
R5724
DC_18V
3
1
2
B0HBSM000043
D5802
-13V
FAN_18V
25V470
C5816
B0EAMM000057
D5805
D5804
B0EAMM000057
11
13
14
12
10
8
6
5
7
9
18
15
16
17
1
4
3
2
C5813
35V470
R5722
1K
C5722
1000P
220P
C5721
R5729
10K
C5728
1000P
R5728
100K
D5724
D5727
MA2J11100L
MA2J11100L
R5732
100
R5726
82M
B1ABCF000176
Q5722
10K
R5721
D5722
B0BC019A0007
MA2J11100L
D5723
C5720
0.1
B0EAMM000057
D5729
D5721
B0BC010A0007
D5726
B0EAKM000117
SWITCH
R5723
1K
2SA207700L
Q5721
MA2J11100L
D5728
2SC3940ARA
Q5720
Q5720
Q5722
D
C5737
470P
C5726
0.1
C5730
50V1
C5724
D5732
B0BC035A0007
50V56
R5733 47K
R5731
0
C5725
0.1
C5723 470P
S
GND
FB
VCC
OLP/SS
OCP/BD
+30V_SENSE
PCONT
DC18V
AM_BP
-13V
DCDET
DC18V
+18V.-12V_GND
+18V.-12V_GND
+18V.-12V_GND
GND
GND
-30V_SENSE
FAN_GND
FAN_18V
-30V_SENSE
SYS6V
SYNC
SYS_GND
+30V_SENSE
4
5
7
6
TRANSFORMER TEMP DETECT
TRANSFORMER
TEMP DETECT
DC DETECT
C5869
0.1
TH5860
D4CC11040013
PCONT
8.2K
R5814
100V0.22
C5817
VIN
VCC
DRAIN
+30V
-30V
+FAN 18V
GND
GND
+18V
AMPGND
-12V
AM_BP
Q5803
2SC3940ARA
SWITCH
AM_BP
R5825
1K
91
R5820
91
R5824
91
R5822
91
R5821
91
R5823
MA2J11100L
MA2J11100L
W5801
0
W5806
0
W5804
0
W5803
0
R5841
120K
R5840
6
7
B1GDCFGA0018
QR5802
DC DETECT
K3
0
K1
0
CORRECTION
POINT
100K
82K
SA-AK270PL / SA-AK270GCP / SA-AK270EB / SA-AK270EG / SA-AK270PR
7
1
4
2
3
5
1/2
2/2
SA-AK270PR SMPS CIRCUIT
TO SMPS
SECTION (1/2)
SCHEMATIC DIAGRAM - 14
SMPS CIRCUIT
: +B SIGNAL LINE
15
16
17
18
19
20
21
22
23
24
25
26
27
28
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
B
D
E
F
H
G
C
6
7
5
2
4
3
8
1
-VCC
+VCC
IC5780
SYS6V
C5712
400V330
6
7
5
2
4
3
8
1
IC5799
MIP4110MSSCF
1000V47P
C5797
R5795
43K
D5797
MA2J72800L
22P
C5794
R5787 75K
2.2K
R5796
50V2.2
C5791
0.1
C5796
2200P
C5795
R5797
4.7K
C5703
F0C2H1040001
0.1
3
2
1
4
B0FBAR000041
D5701
39K
R5893
SYNC
C5899 16V220
D5730
MA2J11100L
D5798
B0HAMP000094
390K
R5704
390K
R5705
R5798
10
C5798
50V56
4
3
1
2
PC5702
B3PBA0000402
4
3
1
2
B3PBA0000402
PC5799
100
R5897
Q5898
IC5899
C0DAEMZ00001
B1ABCF000176
R5896
100K
C5897
0.1
2.2K
R5890
1K
R5894
B0EAMM000057
D5896
B0HAMP000094
D5793
C5790
2200P
R5891
33K
200K
R5786
9
10
7
8
1
6
ETS19AB256AG
BACKUP TRANSFORMER
SWITCHING REGULATOR
T5751
4.7K
R5892
100
R5895
0.1
C5898
A
R
3
2
C
1
INVERTER
SYNC SWITCH
FEED BACK
FB
S
S
D
NC
VDD
CL
VCC
5
4
2
3
SHUNT REGULATOR
BLK
RED
TO
AC INLET CIRCUIT
IN SCHEMATIC
DIAGRAM -9
BLU
WHT
TO
VOLTAGE SELECTOR
CIRCUIT
IN SCHEMATIC
DIAGRAM -9
C5711 400V330
K5736
0
K5711
0
C5750
0.1
0.1
C5788
C5789
0.1
C5793
0.1
C5799
50V56
R5751
22K
R5752 2.2K
22K
R5788
22K
R5789
R5790
33K
56K
R5791
R5792 390K
R5794 390K
R5793 390K
R5799
10
D5795
B0BC5R000009
D5796
D5796
B0ACCK000005
D5799
B0EAMM000057
B1ABCF000176
Q5750
INVERTER
7
6
C0ABBA000168
OP AMP
IC5780
MA2J11100L
B0HAMP000094
CORRECTION POINT
CORRECTION POINT
SA-AK270PL / SA-AK270GCP / SA-AK270EB / SA-AK270EG / SA-AK270PR
8
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