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Model
SA-XH175EE SA-XH175GS SC-XH175EE
Pages
127
Size
8.27 MB
Type
PDF
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Service Manual
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Device
Audio / DVD HOME THEATER SOUND SYSTEM
File
sa-xh175ee-sa-xh175gs-sc-xh175ee.pdf
Date
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Panasonic SA-XH175EE / SA-XH175GS / SC-XH175EE Service Manual ▷ View online

117
18.4. SMPS and AC Inlet P.C.B.
1
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
1
12
13
F
SMPS P.C.B. (REP4761B)    
G
AC INLET P.C.B. (REP4761B)    
SA-XH175EE/GS
SMPS / AC INLET P.C.B.
NOTE: " * " REF IS FOR INDICATION ONLY.
3545BA
3545BA
3545BB
3545BB
PRI
SEC
PRI
SEC
B
C
E
A
R K
C
E B
C
E B
C
E
B
PbF
PbF
HEATSINK*
CAUTION
RISK OF ELECTRIC SHOCK
AC VOLTAGE LINE.
PLEASE DO NOT TOUCH THIS P.C.B
220V-240V
50Hz
AC IN 
C5720
C5721
C5722
C5723
C5724
C5725
C5730
C5791
C5795
C5796
C5800
C5817
C5818
C5826
C5840
C5897
C5898
D5704
D5705
D5706
D5708
D5709
D5711
D5713
D5714
C5806
Q5898
QR5862
R5702
R5703
R5704
R5706
R5707
R5720
R5721
R5722
R5726
R5732
R5733
R5795
R5797
R5798
R5801
R5802
R5804
R5805
R5806
R5809
R5814
R5821
R5832
R5862
R5864
R5866
R5890
R5891
R5892
R5893
R5894
R5895
R5897
R5898
W16
W17
D5710
R5903
QR5901
R5902
D5791
C5794
C5731
C2904
R5725
IC5900
R5803
C2903
W101
R5905
R5901
Q5901
Q5902
D5903
C5901
R5906
R5808
R5807
R5730
R5729
D5707
D5703
C2902
C5700
C5706
C5712
C5726
C5747
C5798
C5805
C5813
C5899
D5701
D5702
D5712
D5716
D5802
D5803
D5896
IC5799
CN5700
Q5720
ZJ5702
C5713
C5702
IC5701
H5700
ZJ5703
TH5702
D5901
ZJ1*
T5751
(SUB TRANSFORMER)
T5701
(MAIN TRANSFORMER)
L5702
ZJ5701
ZA5702
ZA5701
P5701
DZ5701
C5705
C5704
C5701
R5701
R5700
T3.15AH 250V
F1
RED
TL30
*
BLK
TL20
*
BLK
TL21*
RED
TL31*
HEATSINK*
RL5001*
K572...EE/GS
L5701
C5811
W23
W24
W4
W9
K5703
K5701
W3
W7
W1
W2
W5
K5704
W8
W6
W13
W12
W14
W20
W26
W5782
W5783
W5781
W5780
W5784
PC5704
PC5705
PC5701 PC5700
IC5801
R
A
K
C
E
C
E
B
B
1
4
5
8
3
2
1
16
15
14
13
12
11
10
9
8
7
6
5
4
2
1
7
6
5
4
3
2
1
+1
-4
~3
~2
4
3
2
1
4
3
2
1
10
7
8
9
1
2
3
4
5
6
1
4
3
2
2
4
6
8
1
9
7
5
3
10
3
2
1
4
3
2
1
4
3
2
1
1
2
3
4
3
2
1
1
2
4
3
118
119
19 Appendix Information of Schematic Diagram
19.1. Voltage & Waveform Chart
Note:
• Indication Voltage Values are in standard values for the unit measured by the DC electronic circuit tester (high-impedance) with
the chassis taken as standard.
Therefore, there may exist some errors in voltage values, depending on the internal impedance of the DC circuit tester. 
• Circuit voltage and waveform described herein shall be regarded as reference information when probing defect point because it
may differ from actual measuring value due to difference of Measuring instrument and its measuring condition and product itself.
19.1.1.
Main P.C.B. (1/4)
REF NO.
MODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
TUNER
0
2.8
0
0
0
0
3.3
2.8
0
3.3
3.3
0
2.8
2.8
2.8
2.8
2.8
0
0
0
REF NO.
MODE
1
2
3
4
5
POWER ON 3.0
0
0
5.1
3.2
STANDBY
3.0
0
0
5.1
3.3
REF NO.
MODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
POWER ON
0
1.2
3.3
0
0
0
3.3
0
0
3.3
1.6
3.3
1.5
3.3
3.3
0
0
0.9
0
3.3
STANDBY
0
1.2
3.3
0
0
0
3.3
0
0
3.3
1.6
3.3
1.5
3.3
3.3
0
0
0.9
0
3.3
REF NO.
MODE
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
POWER ON 3.3
3.3
3.3
1.3
2.5
1.8
3.0
3.1
0
0
0
3.2
3.3
3.3
0
3.3
3.3
0
0
0
STANDBY
3.3
3.3
3.3
1.3
2.5
1.8
3.0
3.1
0
0
0
3.2
3.3
3.3
0
3.3
3.3
3.3
0
0
REF NO.
MODE
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
POWER ON 0.8
0.8
3.3
0
3.3
0
0
3.3
3.3
3.3
3.3
3.3
0
0
3.3
3.3
0
0
0
3.3
STANDBY
0.8
0.8
3.3
0
3.3
0
0
3.3
3.3
3.3
3.3
3.3
0
0
3.3
3.3
0
0
0
3.3
REF NO.
MODE
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
POWER ON 3.3
0
0
0
0
3.2
0
0
0
0
0
0
3.3
0
3.3
3.3
0
0
3.3
0
STANDBY
3.3
0
0
0
0
3.2
0
0
0
0
0
0
3.3
0
3.3
3.3
0
0
3.3
0
REF NO.
MODE
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
POWER ON 3.3
0
0
0
0
3.3
0
2.0
2.1
3.2
0
0
3.2
0
3.3
3.3
3.3
0
3.0
3.3
STANDBY
3.3
0
0
0
0
3.3
0
2.0
2.1
3.2
0
0
3.2
0
3.3
3.3
3.3
0
3.0
3.3
REF NO.
MODE
1
2
3
4
5
6
7
8
CD  PLAY
0
0
0
0
3.3
3.3
0
3.3
STANDBY
0
0
0
0
3.3
3.3
0
3.3
REF NO.
MODE
1
2
3
4
5
6
7
8
POWER ON
0
5.0
5.0
3.2
3.2
5.0
5.0
5.0
STANDBY
0
5.0
5.0
3.2
3.2
5.0
5.0
5.0
REF NO.
MODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
POWER ON 1.6
2.3
2.0
1.0
1.5
0
16.0 15.6 10.6 12.0 12.7 16.2 16.3 16.3 14.3 1.7
1.0
1.9
2.4
2.4
STANDBY
1.6
2.3
2.0
1.0
1.5
0
16.0 15.6 10.6 12.0 12.5 15.7 15.7 15.9 14.0 1.7
1.0
1.9
2.4
2.4
IC2300
IC2901
SA-XH175EE/GS MAIN P.C.B.
IC52
IC2602
IC2300
IC2300
IC2301
IC2091
IC2300
IC2300
120
19.1.2.
Main P.C.B. (2/4)
REF NO.
MODE
1
2
3
4
5
POWER ON 9.0
0
1.3
5.1
9.4
STANDBY
9.1
0
1.3
5.0
9.4
REF NO.
MODE
1
2
3
4
5
6
POWER ON 1.7
0
1.2
3.0
3.3
1.7
STANDBY
1.7
0
1.3
3.0
3.3
1.7
REF NO.
MODE
1
2
3
4
5
6
7
8
POWER ON 0.3
3.0
0
0
1.8
3.3
0
3.3
STANDBY
0.3
3.0
0
0
1.7
3.3
3.3
3.3
REF NO.
MODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
HDMI
1.0
3.0
0
0
0
0
3.0
0
3.0
3.1
3.1
3.1
2.7
0
0.3
3.1
0.6
0.2
1.1
0.4
STANDBY
0.9
3.0
0
0
0
0
3.0
0
2.9
3.0
3.0
3.0
2.8
0
0.2
3.3
1.9
0
0.6
1.6
REF NO.
MODE
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
HDMI
1.1
1.0
0.5
1.1
1.1
0.6
3.0
0.7
1.1
0.1
1.1
0.6
0.6
1.7
3.0
0
1.5
1.5
0
0
STANDBY
1.5
3.1
2.8
1.6
0.3
2.8
3.3
0.6
0.4
0.5
0.5
0
2.6
1.8
3.2
0
1.5
1.5
0
0
REF NO.
MODE
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
HDMI
0
0
1.4
1.5
3.0
3.0
3.0
2.9
0
0
0
0
0
0
0
0
3.0
0.9
1.7
1.7
STANDBY
0
0
1.5
1.5
3.1
3.0
3.1
3.0
0
0
0
0
0
0
0
0
3.1
0.9
1.7
1.7
REF NO.
MODE
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
HDMI
0
3.0
0.4
0
3.3
3.3
3.3
1.6
1.6
3.0
2.0
2.0
3.0
2.0
1.9
1.7
2.0
1.8
2.0
0
STANDBY
0
3.1
0.4
0
3.3
3.3
3.3
0
0
3.1
2.0
1.9
3.1
1.9
2.0
1.3
1.9
1.3
2.0
0
REF NO.
MODE
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
HDMI
1.9
1.5
0.9
3.0
0
0.2
3.0
2.2
0
1.6
3.2
1.7
1.6
2.5
1.7
0.3
3.2
0
3.0
3.1
STANDBY
1.9
1.6
0.9
3.1
0
0
3.1
3.1
0
0
3.1
1.7
0
0
0
0.1
0
3.1
3.1
3.1
REF NO.
MODE
101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120
HDMI
3.0
1.2
0
1.6
2.1
1.3
2.6
3.2
0.6
3.0
1.6
1.6
0
1.8
1.8
3.2
0.8
1.2
1.3
1.8
STANDBY
3.1
1.3
0
1.6
3.1
3.1
3.1
3.1
0
3.1
1.5
1.5
0
1.8
1.7
3.1
0.7
1.2
1.2
1.8
REF NO.
MODE
121 122 123 124 125 126 127 128
HDMI
1.7
1.7
1.7
1.2
1.6
1.3
1.6
0
STANDBY
1.6
1.6
1.6
0.9
1.6
1.6
1.5
0
IC3952
IC8001
IC8001
IC8001
IC8001
IC3953
IC3954
IC8001
IC8001
IC8001
SA-XH175EE/GS MAIN P.C.B.
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