Smps P.c.b. (Sa-Pt770Pn/Px) - Panasonic SA-PT670P Service Manual

4.4.

SMPS P.C.B. (SA-PT770PN/PX)

With reference to original service manual (section 18.5) on page 142 for model no. SA-PT770PN/PX-K
H
SMPS P.C.B. (REPX0728E-C...PN)
(REPX0728R...PX)
H
G
F
CN2016
R2953
C2906
1
R2905
2
C2905
R2952
3
B C E
4
Q2903
5
6
W5756
7
R2010
8
CN2017
E
9
1 2 3 4 5 6 7 8
10
R2908 11
R2907
W5759 12
W5762
13
W5761
E
Q2902 14
C C2907
B
Q2901
E
R2912
C
B
D2906
D R2921 W5757
9
C2931
HEATSINK
8 1
L2902
2
7
IC2903
T2900
6 3
5
(SWITCHING 5 4
4
D2901
TRANSFORMER)
3
2
E C
1
C2939
R2914
R2935
C2903
C
K2912
E2900
D2951
1 2
C2930
W5764
IC2900
5
4
3
2
1
B
ADD
(C2931)
A
NOTE: " * " REF IS FOR INDICATION ONLY.
2
1 3
W5800
R5864
R5865
W5705
E
K2911 Q5863 C
W5701
C5870 C5816
B
R5866
W5702
R5818
W5700
K2908
K2906
C5820
K2905
R5842 IC5801
K2904
B 2 3
C
E Q5841
2
3
W5709
K2910
1 1
R5840 R5806
W5712
E
C5817
W5711 C
B
W5710 QR5840
W5713
H5801* W5714
W5758
8 C5831 W5725
W5726
7
W5760
W5727
6
IC5899
W5728
5
W5755
T5751
2
R5891
4
(BACKUP
3
R5896
W5763 3 TRANSFORMER)
1
2
W5724
1
SEC PRI 1
R5892
K2902
10
K2903
2
K2901
C5899 9
3 D5793
W5737
4
Q5898
8
C5798
B
C 5
E
7
R2900 6
1 4
PC5799 2 3 D5797
3 2
Q2900
B
4
1
PC5702
3
4
5
R5809 R5807
PC5720
T5701
R5730
1 4
(MAIN TRANSFORMER)
2 3
18
D5725
SEC PRI
17
16
ZJ5801
15
D5802
14
A
CA
13
A
12
11
D5801
A
CA
A
HEATSINK
C5737...PN
R5726
-4
W5738
R5727...PN
~3
R5705
TL3* TL2*
WHT...PX
5 8 K5742...PX
IC5799
K5712 D5701
R5795
+1 ~2
C5795
4 1
D5730
R5704 R5706
BLU...PX
TL4*
7
6 8
16
PbF 0609A/C-2 0609A/C-2
W5706
1
HEATSINK
2
4
CAUTION
D5702
W5716 RISK OF ELECTRIC SHOCK
5
D5722 AC VOLTAGE LINE.
A
D5729
PLEASE DO NOT TOUCH THIS P.C.B
CA
R5721
6
A Q5720
B C E
7
D5727 W5717 C5720
R5732 W5732
8
C5723 C5722 W5733
C5726
IC5701
W5734
7
9
6
5
4 W5729
3 C5700
2
C5747...PX
W5730 ZJ5803
1
1 2
3
D5799
+1
RED
W5739
TL1*
Q5899
~2
W5740
E
C
B
RY5701
BLK
3 4
F2
~3 -4
T1.6AL
250V
2 1
W5743
9 10 1 1
SA-PT770PN/PX
SMPS P.C.B.
12 13