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Model
HT-SB60 (serv.man4)
Pages
62
Size
6.03 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / Home Theatre
File
ht-sb60-sm4.pdf
Date
PREV: Sharp HT-SB60 (serv.man3) User Manual / Operation Manual

Sharp HT-SB60 (serv.man4) Service Manual ▷ View online

HT-SB60
3 – 1
CD-ES700/CD-ES77
CD-ES700/CD-ES77
Service Manual
CD-ES700/CD-ES77
Market
E
 
CHAPTER 3. MECHANICAL DESCRIPTION
[1] Disassembly
Caution On Disassembly
Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take compact disc out of the unit.
2. Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit.
3. Take off nylon bands or wire holders where they need to be removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were before disassembling.
4. Take sufficient care on static electricity of integrated circuits and other circuits when servicing.
STEP
REMOVAL
PROCEDURE
FIGURE
(A4) x 1
Cover C
1
Back Cabinet
1. Screw..................(A1) x 23
2. Cover A...............(A2) x 1
3. Cover B...............(A3) x 1
4. Cover C ..............(A4) x 1
5. Socket.................(A5) x 1
1
1
1
1
2
2
SMPS (Amplifier)
PWB
1. Screw..................(B1) x 2
2. Screw..................(B2) x 2
2
3
HDMI PWB
1. Screw..................(C1) x 2
2. Screw..................(C2) x 3
3. Socket ................(C3) x 1
2
SOUND BAR SYSTEM
STEP
REMOVAL
PROCEDURE
FIGURE
4
Regulator PWB
1. Screw..................(D1) x 1
2
5
Main/Amplifier
PWB
1. Screw..................(E1) x 2
2. Screw..................(E2) x 1
3. Socket.................(E3) x 2
4. Flat Cable ...........(E4) x 2
2
6
Display PWB
1. Screw..................(F1) x 4
3
7
Transmit PWB
1. Screw..................(G1) x 1
3
8
Woofer
1. Screw..................(H1) x 16
3
9
Soft Dome Tweeter 1. Screw..................(J1) x 8
3
(A3) x 1
Cover B
(A2) x 1
Cover A
(A1) x 23
M3 x 10mm
(C2) x 1
M3 x 8mm
(C1) x 2
M3 x 8mm
Soft Dome Tweeter
(Right)
Woofer
(Right)
(E2) x 1
M3 x 10mm
(J1) x 4
M3 x 8mm
(H1) x 4
M3 x 8mm
(H1) x 4
M3 x 8mm
(G1) x 1
M3 x 10mm
(F1) x 4
M3 x 10mm
(H1) x 4
M3 x 8mm
(H1) x 4
M3 x 8mm
(J1) x 4
M3 x 8mm
TRANSMIT PWB
DISPLAY PWB
Front Panel Ass’y
Woofer
(Left)
Soft Dome Tweeter
(Left)
(D1) x 1
M3 x 8mm
(E1) x 2
M3 x 8mm
(B1) x 2
M3 x 10mm
(B2) x 2
M3 x 8mm
(E4) x 2
(E3) x 2
(B3) x 1
(A5) x 1
(C2) x 2
M3 x 8mm
HDMI PWB
MAIN/AMPLIFIER PWB
REGULATOR PWB
SMPS PWB
Front Panel Ass’y
Back Cabinet
Figure 1
Figure 2
Figure 3
Front Panel Ass’y
(C3) x 1
CAUTION:
TO REMOVE SPEAKER UNIT, PRESS THESE LOCKING TABS 
TO RELEASE SPEAKER WIRES.
SPEAKER UNIT
LOCKING
TAB
LOCKING TAB
SPEAKER
WIRE
HT-SB60
3
 – 2
Figure 4
Figure 6
Figure 7
CAUTION:
TO REMOVE SPEAKER UNIT, PRESS THESE LOCKING TABS 
TO RELEASE SPEAKER WIRES.
CAUTION:
TIE AC CORD WITH NYLON BAND AS SHOWN IN DIAGRAM.
1.      MUST NOT TOUCH     .
2. PUSH       TO RIGHT SIDE THEN WRAP WITH CUSHION.
2. MAKE SURE LAST TURN WIRE       AT THE RIGHT SIDE.
SPEAKER UNIT
LOCKING
TAB
LOCKING TAB
SPEAKER
WIRE
STEP
REMOVAL
PROCEDURE
FIGURE
Figure 5
Wooden Box Ass’y
Wooden Box Ass’y
(D2) x 1
SMPS (Subwoofer) PWB
Subwoofer
(B1) x 4
Special Screw
(D1) x 4
Special Screw
(A2) x 4
M3.5 x 12mm
(A1) x 4
M4 x 10mm
(A3) x 4
M3 x 6mm
(C1) x 1
M3 x 8mm
(E1) x 1
Net Frame Ass’y
(E2) x 4
M4 x 16mm
(A4) x 1
Rear Panel
(B2) x 1
Receive PWB
Subwoofer PWB
(B3) x 1
(A5) x 1
(A5) x 1
1
Main Chassis
1. Screw...................(A1) x 4
4
2. Screw...................(A2) x 4
4
3. Screw...................(A3) x 4
4
4. Rear Panel...........(A4) x 1
4
5. Socket .................(A5) x 2
5
2
Subwoofer PWB
1. Screw...................(B1) x 4
5
2. Socket .................(B2) x 1
3. Flat Cable ............(B3) x 1
3
Receive PWB
1. Screw...................(C1) x 1
5
4
SMPS (Subwoofer) 
PWB
1. Screw...................(D1) x 4
6
2. Socket .................(D2) x 1
5
Subwoofer
1. Net Frame Ass'y ..(E1) x 1
7
2. Screw...................(E2) x 4
ACTIVE SUBWOOFER SYSTEM
CUSHION
HT-SB60
4 – 1
CHAPTER 4. CIRCUIT DESCRIPTION
[1] Waveform Of Wireless Transmission
During AUDIO IN function
During HDMI 1 function
n
o
i
t
c
n
u
f
 
N
I
 
O
I
D
U
A
 
g
n
i
r
u
D
n
o
i
t
c
n
u
f
 
I
M
D
H
 
g
n
i
r
u
D
During HDMI 2 function
# Note : All waveforms are tapped from CNP502 (MAIN / AMPLIFIER PWB-A1)
SCL
7
1
SDA
8
2
Fig. 1
SCL
7
1
13
3
17
5
14
4
SDA
8
2
7
1
8
2
SCL
SDA
SCLK
DIN
LRCLK
13
3
17
5
14
4
SCLK
DIN
LRCLK
HT-SB60
4 – 2
[2] Voltage
Main PWB (Tx)
Pin
No.
Voltage (V)
1
5.02
2
0.00
3
5.02
4
0.00
5
3.30
IC801
Pin
No.
Voltage (V)
1
 
-3.60  m
2
3.31
3
5.07
IC804
Pin
No.
Voltage (V)
1
3.29
2
 -0.40m
3
3.29
4
0.00
5
1.80
IC805
Pin
No.
Voltage (V)
1
 
 
1.70m
2
3.29
3
5.00
IC806
Pin
No.
Voltage (V)
1
5.02
2
 -0.40m
3
5.02
4
0.00
5
4.02
IC809
Pin
No.
Voltage (V)
1
3.31
2
3.31
3
0.00
4
 
 
0.80m
IC501
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
1
12.02
5
1.34
2
 -0.30m
6
12.03
3
0.74
7
12.02
4
 -0.40m
8
11.85
IC803
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
1
4.25
5
0.62
2
1.26
6
0.63
3
1.24
7
4.38
4
 -1.30m
8
5.03
IC502
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
1
11.50
5
0.79
2
11.80
6
1.07
3
7.80
7
2.97
4
 -2.50m
8
3.62
IC802
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
1
12.01
12
3.29
23
12.00
34
31.00
2
3.28
13
 -0.20m
24
31.00
35
27.46
3
 -0.30m 
14
 -0.20m
25
 -0.70m
36
22.00
4
 -0.30m 
15
 -0.20m
26
27.46
37
 -1.70m
5
3.29
16
2.70m
27
27.46
38
 -1.80m
6
2.50m
17
3.10m
28
22.00
39
22.00
7
3.20m
18
3.90m
29
 -1.70m
40
27.46
8
3.50m
19
0.30m
30
 -1.80m
41
27.46
9
1.18
20
0.20m
31
22
42
 -1.20m
10
0.20m
21
12.03
32
27.46
43
31.00
11
 -0.10m
22
12.01
33
31.00
44
11.99
IC901
Pin
No.
Voltage (V)
1
4.96
2
 -0.40m
3
4.96
4
0.00
5
3.92
IC808
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
1
7.50m
21
3.30
41
2.10m
61
3.70m
81
3.30m
2
7.20m
22
7.10m
42
6.10m
62
3.30
82
1.29
3
8.70m
23
7.20m
43
3.20
63
3.30
83
2.34
4
7.70m
24
1.32
44
3.30
64
1.90m
84
4.40m
5
7.80m
25
1.32
45
3.30
65
4.10m
85
3.80m
6
7.00m
26
7.60m
46
3.30
66
3.70m
86
3.80m
7
3.30
27
7.50m
47
5.30m
67
3.90m
87
3.30
8
5.70m
28
7.80m
48
3.28
68
3.80m
88
3.28
9
0.94
29
3.10
49
3.28
69
3.90m
89
3.24
10
0.00
30
3.13
50
5.40m
70
4.00m
90
3.30
11
0.59
31
6.30m
51
5.60m
71
4.00m
91
3.30
12
3.28
32
3.30
52
5.40m
72
4.10m
92
3.90m
13
1.63
33
3.30
53
5.50m
73
4.00m
93
1.30m
14
5.70m
34
3.30
54
5.30m
74
3.30
94
1.30m
15
1.38
35
3.28
55
4.40m
75
4.10m
95
1.30m
16
3.30
36
3.28
56
3.28
76
3.90m
96
3.10m
17
3.30
37
3.30
57
1.70m
77
4.00m
97
6.50m
18
3.19
38
3.28
58
3.30
78
4.20m
98
3.31
19
3.31
39
6.20m
59
3.90m
79
4.10m
99
3.30
20
2.80
40
3.28
60
3.70m
80
4.00m
100
5.90m
IC500
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
Pin
No.
Voltage (V)
1
1.77
9
3.17
17
1.88
25
3.34
33
1.86
41
2.30
49
2.30
57
1.30
2
  23.00m
10
1.23
18
20.80m
26
1.65
34
7.50m
42
2.30
50
2.30
58
1.30
3
0.75
11
3.30
19
0.76
27
1.64
35
7.60m
43
2.30
51
2.3
59
1.41
4
 28.20m
12
3.24
20
0.89
28
6.30m
36
3.24
44
9.40m
52
2.3
60
1.41
5
6.70m
13
3.30
21
7.60m
29
6.30m
37
38.00m
45
43.10m
53
7.60m
61
1.41
6
   7.70m
14
3.24
22
7.60m
30
6.30m
38
7.60m
46
48.00m
54
3.24
62
3.41
7
1.83
15
3.24
23
7.60m
31
2.20
39
3.30
47
0.00
55
1.3
63
1.60
8
7.80m
16
7.60m
24
3.30
32
18.60m
40
2.30
48
1.88
56
1.30
64
7.70m
IC601
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