DOWNLOAD Sharp HT-CN300H (serv.man4) Service Manual ↓ Size: 2.51 MB | Pages: 60 in PDF or view online for FREE

Model
HT-CN300H (serv.man4)
Pages
60
Size
2.51 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / Home Theatre
File
ht-cn300h-sm4.pdf
Date
PREV: Sharp HT-CN300H (serv.man3) Service Manual

Sharp HT-CN300H (serv.man4) Service Manual ▷ View online

– 29 –
HT-CN300H
Figure 29 SCHEMATIC DIAGRAM (16/17)
7
8
9
10
11
12
TV
DVD-IN
VIDEO1-IN
VIDEO2-IN
VIDEO-1 REC
 CNP107
CNP101
TO
AMP. PWB
P25  12 - E
TO
AMP. PWB
P25  12 - B
– B
– B
+ B
+ B
+ B
+ B
VIN3
SW1
VIN2
MUTE2
VOUT2
GND2
GND1
VDD
NC
VOUT1
MUTE1
VIN1
SW2
VEE
B
E
C
CHASSIS
GND1
CHASSIS
GND1
VIN3
SW1
VIN2
MUTE2
VOUT2
GND2
GND1
VDD
NC
VOUT1
MUTE1
VIN1
SW2
VEE
1
1
1
2
3
4
5
6
7
8
9
1
2
3
2
2
CHASSIS
GND1
CHASSIS
GND2
CHASSIS
GND3
D_GND
VTR2 IN
VTR1 IN
VTR1 OUT
14 13 12 11 10 9
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
7
6
5
4
3
2
1
L420
2.2
µ
H
C425
30P
C424
220P
C415
47P
C412
47P
C403
0.001
C423
100P
J401
VIDEO IN/OUT
C466
47P
C406
0.001
D402
DS1SS133
D401
DS1SS133
D404
DS1SS133
D403
DS1SS133
T100
MAIN POWER
TRANSFORMER
CNS107
CNS101
CNS510
CNP510
IC405
NJM2279D
VIDEO SWITCH
R492
75
R493
75
R494
75
R495
75
C494
33/16
C495
33/16
C497
0.022
C496
0.022
R465
75
R462
75
C463
33/16
R463
75
C461
33/16
R461
75
IC402
NJM2279D
VIDEO
SWITCH
C462
33/16
C465
470/6.3
C464
100/16
D460
DS1SS133
R460
120K
C459
0.022
C460
10/16
Z460
Z6.2BSB
C525
100/16
R523
100
Q521
KTC3198 GR
R522
47K
D527
1N4004S
R527
3 . 3
20
5
R
466
K
J420
TV MONITOR OUT
J430
DVD IN
T.F.
HT-CN300H
– 30 –
Figure 30 SCHEMATIC DIAGRAM (17/17)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
AUDIO1 IN
R-CH
L-CH
R-CH
L-CH
R-CH
L-CH
R-CH
L-CH
AUDIO2 IN
AUDIO/AUX IN
AUDIO OUT
AUX_R
VIDEO1_R
VIDEO2_R
REC_R
AUX
VIDEO2
VIDEO1
VIDEO1-REC
VIDEO2_L
AUX_L
VIDEO1_L
REC_L
L_MUTE
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
1
17
E
B
C
E
B
C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
TO
DSP PWB
P23  12 - E
AGND
CHASSIS
GND2
CHASSIS
GND1
CNP710
AUDIO PWB-B4
FM  SIGNAL
CNP702
TO
DSP PWB
P20  1 - B
2
3
1
1
2
3
4
+5V
+B
+B
+B
+B
+B
+B
GND
SENSOR PWB-A2
R561
3.9K
R562
3.9K
R563
39K
C561
47P
C562
47P
R564
39K
C563
0.001
R571
3.9K
RA1
1K
RA2
1K
C571
47P
R573
39K
R574
39K
C572
47P
R572
3.9K
C573
0.001
C583
0.001
R581
2.7K
R583
3.3K
Q581
KTC3198 GR
Q582
KTC3198 GR
R584
3.3K
R582
2.7K
R551
3.9K
R552
3.9K
R553
39K
C551
47P
C552
47P
R554
39K
D596
DS1SS133
D597
DS1SS133
J550
AUDIO IN/OUT
FW10
CNP550
CNS10
BI10
D10
KDS160
D11
KDS160
LED12
333ID213
RED
R12
680
R13
1K
R10
100
C11
47/16
C10
0.022
IC10
GP1UM261
REMOTE SENSOR
– 31 –
HT-CN300H
VOLTAGE
PIN
NO.
VOLTAGE
1
2.2 V
5 V
2.2 V
2.2 V
0 V
0 V
5.1 V
3 V
5 V
10
0 V
11
3.9 V
12
3.9 V
13
4 V
14
1.3 V
15
1.3 V
16
2.2 V
17
2.4 V
18
2.7 V
19
0 V
20
2.3 V
21
2.3 V
22
2.3 V
23
5 V
24
3.5 V
IC303
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0.4 V
0 V
0 V
4.2 V
4.2 V
4.2 V
4.2 V
4.2 V
4.2 V
10
4.2 V
11
4.2 V
12
4.2 V
13
4.2 V
14
4.2 V
15
4.2 V
16
4.2 V
17
4.2 V
18
4.2 V
19
4.2 V
20
4.2 V
21
4.2 V
22
4.2 V
23
12V
24
4.4 V
IC712
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0.4 V
0 V
0 V
4.2 V
4.2 V
4.1 V
4.1 V
4.2 V
4.1 V
10
4.1 V
11
4.1 V
12
4.1 V
13
4.1 V
14
4.1 V
15
4.1 V
16
4.1 V
17
4.2 V
18
4.1 V
19
4.1 V
20
4.1 V
21
4.2 V
22
4.2 V
23
12V
24
4.9 V
IC720
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0.4 V
0 V
0 V
4.2 V
4.1 V
4.1 V
4.1 V
4.2 V
4.1 V
10
4.1 V
11
4.1 V
12
4.1 V
13
4.1 V
14
4.1 V
15
4.1 V
16
4.1 V
17
4.2 V
18
4.1 V
19
4.1 V
20
4.1 V
21
4.2 V
22
4.2 V
23
12 V
24
4.9 V
IC713
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
2.4 V
0 V
1.1 V
0 V
2.4 V
0 V
0 V
0 V
2.4 V
10
2.4 V
11
2.4 V
12
2.4 V
13
0 V
14
2.4 V
15
2.4 V
16
2.4 V
17
2.4 V
18
2.4 V
19
2.4 V
20
2.4 V
21
2.4 V
22
1.2 V
23
2.4 V
24
0 V
IC706
9
8
7
6
5
4
3
2
25
1.2 V
1.6 V
1.2 V
1.6 V
1.6 V
2 V
0 V
1.9 V
1.2 V
34
2.5 V
35
0 V
36
3.2 V
37
2.4 V
38
2.4 V
39
0.9 V
40
0.9 V
41
0.9 V
42
1.6 V
43
1.6 V
44
0 V
33
32
31
30
29
28
27
26
PIN
NO.
VOLTAGE
1
2.5 V
2.2 V
4.9 V
0 V
3.3 V
2.5 V
1.4 V
1.6 V
1.6 V
10
1.2 V
11
0.9 V
12
0 V
13
0.5 V
14
0 V
15
0 V
16
0 V
17
3.2 V
18
3.2 V
19
0 V
20
0 V
21
0 V
22
4.9 V
23
4.9 V
24
2.4 V
IC708
9
8
7
6
5
4
3
2
25
0 V
2.4 V
2.4 V
2.4 V
2.4 V
2.4 V
2.4 V
2.4 V
2.4 V
34
0 V
35
0 V
36
0 V
37
0 V
38
0 V
39
2.4 V
40
0 V
41
2.4 V
42
0 V
43
0 V
44
0 V
33
32
31
30
29
28
27
26
PIN
NO.
VOLTAGE
1
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
0 V
3.3 V
3.3 V
3.3 V
10
0 V
11
0 V
12
3.3 V
13
3.3 V
14
3.3 V
15
3.3 V
16
3.3 V
17
3.3 V
18
3.3 V
19
3.3 V
20
3.3 V
21
2.4 V
22
2.4 V
23
2.4 V
24
0 V
IC703
9
8
7
6
5
4
3
2
25
2.4 V
2.4 V
2.4 V
2.4 V
2.4 V
3.4 V
3.3 V
2.4 V
32
31
30
29
28
27
26
PIN
NO.
VOLTAGE
1
0  V
2.5 V
2.6 V
4.6 V
4.6 V
5 V
5 V
2.5 V
0.4 V
10
4.4 V
11
0 V
12
0 V
13
0 V
14
0 V
15
5 V
16
0.8 V
17
4.8 V
18
0.8 V
19
0.5 V
20
2 V
21
2 V
22
0 V
23
2.5 V
24
2.5 V
IC401
9
8
7
6
5
4
3
2
25
2.6 V
2.6 V
2.5 V
2.5 V
0.4 V
5 V
30
29
28
27
26
PIN
NO.
VOLTAGE
1
1.2 V
3.3 V
0 V
3.4 V
1.4 V
0 V
1.3 V
0 V
0 V
10
0 V
11
3.4 V
12
3.4 V
13
1.5 V
14
0 V
15
1.4 V
16
3.4 V
17
3.4 V
18
3.3 V
19
0 V
20
3.3 V
21
0 V
22
0 V
23
3.4 V
24
0 V
0 V
0 V
3.4 V
0 V
3.3 V
3.3 V
0 V
0 V
0 V
0 V
0 V
3.3 V
0 V
3.4 V
3.4 V
0 V
0 V
0 V
0 V
3.4 V
0 V
3.3 V
0 V
0 V
0 V
0 V
IC710
9
8
7
6
5
4
3
2
25
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
33
32
31
30
29
28
27
26
PIN
NO.
VOLTAGE
51
3.4 V
3.4 V
3.4 V
0 V
0 V
0 V
0 V
0 V
3.4 V
60
3.4 V
61
3.3 V
62
3.4 V
63
0 V
64
0 V
65
3.4 V
66
3.4 V
67
3.3 V
68
0 V
69
0 V
70
3.4 V
71
3.4 V
72
3.4 V
73
3.3 V
74
3.3 V
0 V
3.4 V
3.4 V
3.4 V
3.4 V
3.4 V
3.4 V
3.4 V
3.3 V
3.4 V
3.3 V
0 V
0 V
0 V
3.3 V
3.3 V
3.3 V
0.6 V
1.6 V
0 V
3.3 V
0 V
3.3 V
3.3 V
3.4 V
0 V
59
58
57
56
55
54
53
52
75
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
83
82
81
80
79
78
77
76
PIN
NO.
VOLTAGE
1
4.9 V
2 V
0 V
2 V
0 V
0 V
4.8 V
0 V
0 V
10
5 V
11
2.3 V
12
2.1 V
13
0 V
14
0 V
15
5.3 V
16
4.9 V
17
4.4 V
18
0.3 V
19
5.2 V
20
0 V
21
0 V
22
4.6 V
23
4.9 V
24
4.3 V
0 V
0 V
3.9 V
0 V
5 V
0 V
0 V
5 V
5 V
0 V
5 V
5.2 V
4.8 V
4.8 V
4.8 V
0 V
0 V
0 V
0.3 V
6.4 V
3.4 V
4.9 V
5 V
5 V
0 V
2.8 V
IC601
9
8
7
6
5
4
3
2
25
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
33
32
31
30
29
28
27
26
PIN
NO.
VOLTAGE
51
0 V
0 V
5 V
0 V
0 V
2.7 V
4.8 V
2.2 V
4.9 V
60
0 V
61
0 V
62
0 V
63
4 V
64
0 V
65
4.8 V
66
3.3 V
67
4.9 V
68
4.8 V
69
4.9 V
70
4.9 V
71
26.3 V
72
18 V
73
23.5 V
74
26.3 V
15.2 V
20.7 V
23.5 V
15.2 V
0 V
23.5 V
17.9 V
26.3 V
20.7 V
23.5 V
17.9 V
15 V
26.3 V
26.3 V
26.2 V
26.2 V
26.3 V
23.5 V
23.6 V
23.5 V
23.5 V
23.5 V
23.5 V
23.5 V
23.5 V
23.5 V
59
58
57
56
55
54
53
52
75
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
83
82
81
80
79
78
77
76
PIN
NO.
VOLTAGE
1
2.5 V
0 V
0 V
1.7 V
4.1 V
5.1 V
0 V
3.9 V
0 V
10
4 V
11
5.1 V
12
2.5 V
13
0 V
14
0 V
15
0 V
16
2.5 V
17
5.2 V
18
0.8 V
19
0.8 V
20
2.9 V
21
0 V
22
2.5 V
IC302
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
0 V
3 V
1.6 V
0 V
0 V
0 V
0 V
0 V
10
0 V
11
0 V
12
0 V
13
0 V
14
0 V
15
0 V
16
4.3 V
17
4.6 V
18
0 V
19
0 V
20
5 V
IC603
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
3.4 V
3.4 V
0 V
3.4 V
0 V
0 V
3.4 V
2.2 V
10
0 V
11
0 V
12
5 V
13
0 V
14
0 V
15
5 V
16
0 V
17
5 V
18
5 V
19
0 V
20
5 V
IC604
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
0 V
0 V
0 V
0 V
0.2 V
0 V
0 V
0.06 V
10
0 V
11
0 V
12
0 V
13
0 V
14
0 V
15
0 V
16
0 V
IC722
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
3.3 V
10
0 V
11
2.4 V
12
3.3 V
13
3.3 V
14
3.3 V
15
3.3 V
16
3.3 V
17
3.3 V
18
3.3 V
19
3.3 V
20
3.3 V
IC701
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
2.4 V
2.4 V
2.4 V
2.4 V
2.4 V
2.4 V
2.4 V
2.4 V
10
0 V
11
2.4 V
12
3.3 V
13
3.3 V
14
3.3 V
15
3.3 V
16
3.3 V
17
3.3 V
18
3.3 V
19
3.3 V
20
3.3 V
IC702
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
29.3 V
0 V
0 V
0 V
3.6 V
0 V
0 V
0 V
10
0 V
11
3.6 V
12
0 V
13
0 V
14
0 V
15
29.3 V
IC201
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
29.3 V
0 V
29.3 V
0 V
3.6 V
0 V
0 V
0 V
10
0 V
11
3.6 V
12
0 V
13
0 V
14
0 V
15
29.3 V
IC202
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
0.01 V
0.03 V
0.01 V
0.05 V
0 V
0 V
4.8 V
0 V
10
0 V
11
4.8 V
12
0 V
13
4.5 V
14
4.8 V
IC402
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
0 V
2.4 V
3.3 V
0 V
0 V
0 V
3.3 V
2.3 V
10
2.4 V
11
3.4 V
12
2.4 V
13
3.4 V
14
3.3 V
IC704
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
29.3 V
0 V
29.3 V
0 V
3.6 V
0 V
0 V
0 V
10
0 V
11
3.6 V
12
0 V
13
0 V
14
0 V
15
29.3 V
IC203
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
0 V
0.03 V
0.01 V
0.05 V
0 V
0 V
4.8 V
0 V
10
0 V
11
0 V
12
0 V
13
0 V
14
4.8 V
IC405
9
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
1.2 V
1.6 V
0 V
0 V
3.3 V
1.5 V
1.5 V
3.3 V
IC707
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
0 V
0 V
-11 V
0 V
0 V
0 V
12 V
IC715
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
0 V
0 V
-11 V
0 V
0 V
0 V
12V
IC716
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
0 V
0 V
-11V
0 V
0 V
0 V
12 V
IC718
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
0 V
0 V
0 V
0.04 V
0 V
0 V
0 V
IC721
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
0  V
0 V
0 V
-11 V
0 V
0 V
0 V
12 V
IC711
8
7
6
5
4
3
2
PIN
NO.
VOLTAGE
1
1.4 V
2.4 V
2.4 V
2.4 V
0 V
4.8 V
IC404
6
5
4
3
2
PIN
NO.
VOLTAGE
1
3.3 V
3.3 V
2.5 V
0 V
0 V
IC705
5
4
3
2
PIN
NO.
VOLTAGE
1
12 V
0 V
5 V
IC102
3
2
PIN
NO.
VOLTAGE
1
5  V
0 V
3.3 V
IC103
3
2
PIN
NO.
VOLTAGE
1
10.4 V
0.6 V
5.6 V
IC501
3
2
PIN
NO.
VOLTAGE
1
2.7 V
2.7 V
5.3 V
0 V
2.7 V
2.6 V
0 V
2.7 V
2.6 V
10
0 V
11
5.3 V
12
5.3 V
13
0 V
14
5.3 V
15
0 V
16
0 V
ICT21
9
8
7
6
5
4
3
2
HT-CN300H
– 32 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 32 WIRING SIDE OF P.W.BOARD (1/6)
1
1
2
2
3
4
5
6
7
8
9
10
11
1
1 2 3 4 5 6 7 8 9 10 11 12
1
1
1
2
3
4
5
6
1
3
3
2
6
12
RD
BR
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
GY
RD
RD
CNS103
CNS102
CNS104
TO
TUNER PWB
P34  4 - H
CNP302
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
WH
HW
1
1 2 3
1
3
5
7
9
11
13
2
4
6
8
10
12
14
15
2
3
1
1
1
1
2
3
4
5
6
7
8
1
2
3
3
5
7
9
11
13
15
17
2
4
6
8
10
12
14
16
18
19
19
2
3
4
5
6
7
8
9
1
1
2
3
3
5
7
9
11
13
2
4
6
8
10
12
14
15
CNS107
FROM
MAIN POWER
TRANSFORMER
P35  7 - F
M200
FAN MOTOR
CNS205
SUBWOOFER
2
1
RD
WH
AMP. PWB-B3
TO
DSP PWB
P36  5-A
CNP713
TO
VIDEO PWB
P35  7 - C
CNP431
CNS101
FW12
FROM
MAIN POWER
TRANSFORMER
P35  8 - F
CNP711
TO
DSP PWB
P36  2-G
D121
D123
D122
D124
D298
BI104
BI102
BI103
C121
C122
C123
Z150
C117
C199
R150
R139
C133
Z131
R198
C132
TH102
Q132
D131
R131
C131
D101
E
C
B
B
C
E
E
C
B
E
C
B
Q151
F111
T1.25A L 250V
F112
T1.25A L 250V
CNP107
F102
T6.3A L 250V
F121
T500mA L 250V
F101
T6.3A L 250V
Q150
IC102
IC103
C124
C125
D113
C111
C112
D114
D112
D111
1 2 3
E C B
R115
R116
Q113
Z113
C119
C126
C129
C114
C130
R114
Z112
C118
R173
C113
R113
Q112
C127
R226
R215
C212
R214
C220
R225
C219
R223
R224
C221
C211
R227
R216
R228
IC201
C189
C190
C291
R290
C292
R247
R235
R234
R246
E C B
E C B
E C B
E C B
E C B
B
C
E
E
C
B
E
C
B
C241
Q240
C232
C242
R248
Q230
R236
C233
R258
R260
R270
R272
R274
IC203
C192
C193
R263
C256
R282
C299
C228
R276
R275
R264
R262
R261
R259
C255
C265
R273
R171
C264
C254
Q250
Q260
C263
R271
C195
R265
R176
R175
R277
C205
R202
C258
C267
C202
C170
B C E
E C B
Q202
R203
Q201
C201
R204
C200
Q203
R205
R172
R200
D200
Z200
CON210
C102
C101
CNP101
R222
R144
R145
CNP122
Q220
R213
C198
R210
R211
C210
R212
Q210
R143
R142
CNP203
R141
R140
C196
Z202
C203
Q204
C187
C271
R181
R218
C208
C141
C223
C214
C272
R229
R180
C209
B
C
E
E
C
B
E
C
B
E
C
B
B
C
E
Q271
Q270
Q255
R168
Q235
Q215
C142
D272
R170
R293
R295
D251
D252
D170
D172
D210
D230
D250
RY210
R166
R167
R297
R187
R280
C269
C268
RY230
R281
L270
CON201
CNS201
Q170
D201
D171
R165
R164
R162
R163
Q200
RY250
C204
Z201
D299
D201
R209
CNP205
R278
1
2
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