Read Panasonic SA-PT22EE / SC-PT22EE Service Manual Simplified online
30
7.5.
SMPS Circuit
P1
3
4
2
1
SA-PT22EE SMPS CIRCUIT
2/2
1/2
SMPS CIRCUIT
SCHEMATIC DIAGRAM - 13
TO SMPS
SECTION (2/2)
SECTION (2/2)
G
: +B SIGNAL LINE
: -B SIGNAL LINE
B
TO
MAIN/D-AMP
CIRCUIT
(CN103)
IN SCHEMATIC
DIAGRAM - 9
MAIN/D-AMP
CIRCUIT
(CN103)
IN SCHEMATIC
DIAGRAM - 9
5
6
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
3
1
2
B0HBSM000043
D5802
C5801
0.01
2.2K
2.2K
25V1000
C5808
D5725
B0BC6R2A0266
D5736
B0BC4R0A0006
D5735
B0ACCK000012
R5804
2.7K
R5803
2.7K
A
R
3
2
C
1
IC5801
C0DAEMZ00001
SHUNT REGULATOR
R5806
15K
C5818
0.1
R5866
100K
C5870
0.01
R5865
4.7K
C5864
0.1
22
R5829
50V10
C5820
R5801
2.7K
6.8K
R5817
Q5863
B1ABCF000176
R5730
1K
3
21
ZJ5802
0.01
C5800
R5802
18K
C5810
0.1
R5808
2.2K
R5807
330
R5809
330
4
3
1
2
B3PBA0000402
FEED BACK
PC5720
47K
R2914
30K
R2906
R2905
4.7K
0
R2901
2
1
1A
FP2901
C2900
16V33
D2908
B0EAMM000057
B0BC024A0269
D2909
4.7K
R2900
4
2
1
3
5
C0DBAYH00005
SWITCHING REGULATOR
IC2900
SYS5V
SYNC
R2902
47
L2915
0
L2916
0
C2912
16V100
D2906
B0EAMM000057
L2914
0
8
9
13
11
10
12
2
3
1
5
7
6
4
15
14
H2016*
B0EAMM000057
D2903
5
3
4
8
7
6
2
1
9
T2900
G4D1A0000118
SWITCHING TRANSFORMER
C2903
50V22
C2908
0.1
R2907
3.9K
B0JCPG000030
D2907
25V100
C2907
16V470
C2906
L2900
G0A330ZA0045
Q2900
B1BABG000007
C2902
5600P
5600P
-26V
3.9V(FL2)
ECO CTL
VDD
VDD
SYS5V
GND
GND
PCONT
DCDET
SYNC
12VGND
12V
SYS5VGND
3.9V(FL1)
VIN
GND
ON/OFF
ADJ
VOUT
POWER SAVE CONTROL
SWITCH
B1ADBL000010
Q5897
D5734
B0BC027A0264
R5881
10K
R5882
47K
R5884
10K
R5883
6.8K
R5880
1.5K
C5896
0.1
R5888
1K
R5889
1K
C5893
1
Q5896
B1ABCF000176
SWITCH
SWITCH
R5844
0
R5845
0
R5835
R5836
R2909
R2908
10K
1K
0
R5863
ZA5803*
G2
G1
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