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123
17.2. Main P.C.B. (Side B)
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2
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7
8
9
A
B
C
D
E
F
G
H
10
11
1
2
13
A
M
A
IN P.C.B. (REP4900
AA
)
NOTE: " * " REF I
S
FOR INDIC
A
TION ONL
Y
(
S
IDE B)
S
C-HTB
7
0P/PC
M
A
IN P.C.B.
U
S
B PORT
FOR
S
ER
V
ICE
3
6
35
AA
-1
3
6
35
AA
-1
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80
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100 10
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1
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9
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7
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6
5 4 3
2
4 3
2
1
5
1
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5
7
2
4
6
8
1
5
3
7
2
8
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3
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1
X
X
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
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C
B
E
C
B
E
C
B
E
C
R
X2
003
Q
5404
VA
2
001
D5
2
04
D5
2
01
R
2
05
2
R
22
10
R5803
IC
22
00
R5514
C
2
030
R
X2
009
R
22
1
7
R5301
Q
580
2
Q
5503
C
22
1
7
R55
26
Q
540
2
R5
2
0
6
CL
2
31
C5504
C
2
035
VA
2
000
C
2
0
2
8
C
2
00
6
LB
2
00
7
C
2
0
2
0
C
2
0
2
3
TH58
22
R58
26
K5100
...HTB
7
0P/PC
D5
2
03
R540
2
C
2
0
2
5
C
2
01
6
LB
2
000
R58
2
3
J
K
2
000
C
2
041
R
2
011
C
2
00
7
R53
26
R550
6
R
2
053
LB
2
009
R5414
R550
2
C5305
C
2
0
26
Q
5303
R5405
Q
5504
C
2
004
IC
22
04
C
2
033
LB
2
008
C
2
009
C5803
C5
2
08
R
X2
00
2
Q
5304
C531
6
C
2
03
6
D
2
001
TH58
2
1
Q
530
2
C
2
045
R
X2
001
C
2
0
22
C5505
R
2
05
6
C
22
05
Q
5301
L5401
R5
2
0
2
Q
R5
2
01
R5501
C5401
R5
2
08
C
2
040
Q
5803
IC
2
003
G
2
*
C
2
019
R5805
Q
5805
D5301
C
2
043
R
2
0
2
3
C
2
044
R5513
R5505
L
2
001
C
2
005
L5301
C
2
003
C
2
014
R5801
Q
5501
R
2
0
6
8
C
2
013
C5404
D5
2
0
2
IC
2
000
C
22
19
R5818
C5
2
01
R
2
05
7
C
2
0
2
1
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6
R581
1
C5301
Q
5401
C541
6
R5413
C5
2
0
6
C5501
R
2
00
7
IC
2
001
C
2
03
2
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C
2
015
D5501
C
2
01
2
C
22
01
IC
2
004
L5501
D5803
R
2
0
27
D5804
Q
550
2
R540
6
C
22
0
2
CN
2
004
C
2
0
27
R
2
0
22
R530
2
R580
2
R581
7
C5801
C
2
001
IC5
2
01
R5
2
05
L530
2
C5304
CL
2
30
CN5100
R
2
009
R5
2
03
R54
26
C
22
0
6
R5
2
04
C
2
0
2
4
C551
6
D5401
C5405
R5313
R5305
R
22
09
C
2
00
2
R
2
008
R5
2
09
R5401
R
X2
008
R
2
010
R
2
0
6
3
C
2
031
C
22
18
C5
2
04
C5804
L540
2
C5805
D
22
01
C
2
008
C
222
0
L550
2
C
2
0
2
9
Q
5804
Q
5403
CN
2
005
R5314
IC
22
03
L
22
01
C
2
03
7
C
2
01
7
C
2
034
R
2
019
R
2
0
2
4
LB
2
00
2
R
2
0
2
8
C
2
018
R
22
1
6
R
X2
000
CN5101
R
2
014
CN
2
008
R
2
0
2
5
R
2
051
D
2
305
LB
2
00
6
CN
2
003
LB
2
005
C
2
04
6
D
2
309
D
2
308
CN
2
00
2
LB
2
003
(TO BLUETOOTH
MODULE)
CN
2
001
R
2
0
2
9
R
2
030
D
2
30
7
D
2
30
2
D
2
303
Q
R
2
303
X2
000
C
222
4
R
2
30
2
C
2
000
CN
2
00
6
R
2
503
R
2
303
C53
27
C54
27
C55
27
(TO
S
UBWOOFER
S
PE
A
KER)
(TO FRONT
S
PE
A
KER
S
)
(FOR DEBUG)
PbF
C
2
30
2
Summary of Contents for SC-HTB70P
Page 24: ...24 ...
Page 28: ...28 11 2 Types of Screws 11 3 Main Parts Location Diagram ...
Page 39: ...39 Step 4 Lift up to remove the Sub Chassis Unit ...
Page 49: ...49 Step 8 Release 1 catch Step 9 Remove the AC Holder ...
Page 55: ...55 Step 3 Remove 2 screws Step 4 Remove the Button Holder ...
Page 88: ...88 Step 13 SMPS P C B and AC Inlet P C B can be checked as diagram shown ...
Page 92: ...92 Step 17 Main P C B Side A can be checked as diagram shown ...
Page 94: ...94 Step 13 Main P C B Side B can be checked as diagram shown ...
Page 98: ...98 Step 17 AUX P C B and Sensor P C B can be checked as diagram shown ...
Page 101: ...101 Step 6 LED P C B can be checked as diagram shown ...
Page 102: ...102 ...
Page 110: ...110 ...
Page 132: ...132 WF No Q5504 3 PLAY 24Vp p 500nsec div WF No Q5504 5 PLAY 7 0Vp p 500nsec div ...
Page 136: ...136 ...
Page 140: ...140 ...