Panasonic SA-AK180PU Посібник з експлуатації - Сторінка 11

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3.3.

SMPS Circuit for (SA-AK280EB/EG/EP)

With reference to original service manual (section 18.7) on page 102 for Model No. SA-AK280EB/EG/EP-K
1
2
3
SCHEMATIC DIAGRAM - 10
A
I
SMPS CIRCUIT
B
DCDET
H5801*
+30V_SENSE
+30V_SENSE
8
FAN_18V
H
+30V_SENSE
7
TO
GND
6
D-AMP CIRCUIT
GND
5
(CN5500)
-30V_SENSE
4
IN SCHEMATIC
-30V_SENSE
-30V_SENSE
3
DIAGRAM - 9
C
FAN_GND
2
FAN_18V
FAN_18V
1
-30V_SENSE
+30V_SENSE
D
DCDET
CN5802
AM_BP
AM_BP
11
PCONT
PCONT
10
DC_18V
DC18V
9
B
DC_18V
AM_BP
TO
DC18V
8
MAIN CIRCUIT
C5812
+18V.-12V_GND
7
0.1
E
(CN2701*)
+18V.-12V_GND
6
C5815
IN SCHEMATIC
0.1
-13V
-13V
5
DCDET
DIAGRAM - 3
DCDET
4
SYS_GND
3
-13V
SYS6V
SYS6V
2
SYNC
SYNC
1
FAN_18V
C5896
0.1
F
K1
0
K2
0
K4
0
+30V_SENSE
G
-30V_SENSE
SYS6V
PCONT
H
1
2
3
4
5
6
: +B SIGNAL LINE
: -B SIGNAL LINE
D5809
MA2J11100L
Q5861 - Q5862
B1ABCF000176
TRANSFORMER TEMP DETECT
Q5860
2SA207700L
TRANSFORMER
C5869
TEMP DETECT
0.1
C5870
0.1
R5801
10K
D5807
MA2J11100L
C5800
1
QR5801
0.01 0
R5840
82K
2
UNR221400L
3
DC DETECT
QR5802
B1GDCFGA0018
CHANGE
DC DETECT
R5825
1K
Q5803
2SC3940ARA
SWITCHING
IC5801
C0DABFC00002
SHUNT REGULATOR
C
1
3
A
2
B1ABCF000176
R
FEED BACK CONTROL
D5806
MAZ80750ML
4
5
6
7
8
9
D5801
B0HBSM000043
1
2
3
T5701
ETS42BN1A6AD
MAIN TRANSFORMER
10
-30V
DRAIN
11
AMPGND
12
13
14
+30V
15
C5804
C5803
+FAN 18V
VIN
0.01
0.01
GND
3
2
1
16
+18V
VCC
ZJ5801
17
D5803
B0HFRJ000012
D5802
18
B0HBSM000043
-12V
2SC3940ARA
LIMITING SWITCH
D5805
B0EAMM000057
B1ABCF000176
LIMITING SWITCH
R5730
1K
D5725
B0BC6R100010
PC5720
B3PBA0000402
R5809
R5807
330
330
1
4
2
3
FEED BACK
Q5802
PC5701
B3PBA0000402
1
4
2
3
FEED BACK
QR5810
B1GBCFLL0037
INVERTER
7
8
9
11
10
11
12
9
R5703
R5702
100K
100K
8
3
7
6
1
2
5
4
3
2
R5720
22
1
D5726
B0EAKM000117
D5721
MAZ81800ML
Q5720
D5729
Q5720
B0EAMM000057
CURRENT
R5722
D5728
R5721
1K
MA2J11100L
10K
Q5722
D5724
D5727
C5720
MA2J11100L
MA2J11100L
CURRENT
0.1
R5725
0
D5722
B0BC019A0007
C5728
1000P
D5723
MA2J11100L
C5700
F1BAF1020020
1000P
R5750
0
3 2
1
ZJ5803
1/2
2/2
SA-AK280EB/EG/EP SMPS
10
11
12
13
14
P1
1
2
TO SMPS
SECTION (2/2)
3
R5732
100
IC5701
C5HACYY00003
SWITCHING REGULATOR
7
OCP/BD
6
FB
5
OLP/SS
C5730
50V1
4
VCC
GND
3
2
S
C5737
470P
1
D
R5726
82
6
CIRCUIT
13
14