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

– 21 –
HT-CN300H
Figure 21 SCHEMATIC DIAGRAM (8/17)
7
8
9
10
11
12
+3.3V
TUNER_L
TUNER_R
AGND
AGND
CCB_CE0
CCB_CLK
DATA
CCB_DO
SPN
TUN_SM
RDS_RDCL
RDS_RDDA
RDS_READY
RDS_RST
CCB_CE0
CCB_CLK
DATA
CCB_DO
POWER_LEVEL
DGND
PROTECT
THRMO
RLY_W_SP
RLY_S_SP
FAN_CNT
RLY_C_SP
20DB_ATT
RLY_F_SP
SPN
TUN_SM
RDS_RST
RDS_READY
RDS_RDDA
RDS_RDCL
FW8
FW9
CON301
TO
TUNER PWB
P27  12-G
P96
P95
P94
P93
P92
P91
P90
BYTE
CNVSS
P87
P86
RESETB
XOUT
VSS1
XIN
VCC1
P85
P84
P83
P82
P81
P80
P77
P76
P75
P74
P73
P72
P71
P70
P67
P66
P65
P64
P63
P62
P61
P60
P57
P56
P55
P54
P53
P52
P51
P50
P47
P46
P45
P44
P43
P42
P41
P40
P37
P36
P35
P34
P33
P32
P31
VCC2
P30
VSS2
P27
P26
P25
P24
P23
P22
P21
P20
P17
P16
P15
P14
P13
P12
P11
P10
P07
P06
P05
P04
P03
P02
P01
PO0
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AVSS
AN0
VREF
AVCC
P97
1
2
3
4
5
6
7
8
9
14
20
13
12
11
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
1
8
7
6
5
4
3
2
14
13
12
11
10
9
1
1
14
[1]
DSP_INTREQ
[3]
W_SP_RLY
[1]
DSP_ABOUT
[1]
ROM
[1]
DSP_UC17
[1]
DSP_UC16
[1]
DSP_UC15
[1]
SCL
[1]
SDA
[1]
DSP_RESET
[1]
DSP_CS
[1]
DSP_SCCLK
[1]
DSP_SCDOUT
[1]
DSP_SCDIN
+B
B
+B
+B
+B
+B
+B
+B
+B
[3]
TUN_L
[3]
TUN_R
[1,3]
AGND_A
[3]
ATT20DB
[3]
THERMO
[3]
FANCNT
[3]
PROTECT
[3]
POWLEV
[3]
F_RLY
[3]
C_RLY
[3]
S_RLY
[3]
W_RLY
F_BUSY
F_SCLK
F_RXD
F_TXD
RESET
F_VCC
GND
VCC
VCC
CON301
TO
DISPLAY PWB
P17  12-C
39
40
41
42
42
8
9
10
11
12
13
14
16
15
17
18
19
44
45
46
47
48
49
50
51
7
FM  SIGNAL
1 2 3 4 5 6 7 8 9 10111213141516171819 20 21 22 23 24 25 26 27 28 29 30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
R956
47K
R957
47K
R958
47K
R959
47K
CNP708
CNP712
C906
0.022
R910
10K
R911
1K
R915
1K
R914
10K
R913
10K
X901
8.38 MHz
C902
15P
(CH)
C903
15P
(CH)
C905
18P
(CH)
R906
820
R907
10K
C901
0.22
R965 1K
R966 1K
R967 1K
R909 1K
R962 1K
R963 1K
R964 1K
R908 10K
R924 1K
R923 1K
R922 10K
R925 1K
R920 1K
R919 1K
R918 1K
R917 1K
R916 1K
R921 10K
R934 1K
R935 1K
R987 220
R936 220
R766
10K
R928
10K
R950
10K
R927 10K
R931 10K
R929 1K
R932 1K
R930 1K
R949 1K
R951 1K
R937 1K
R989 1K
R990 1K
IC710
IX0489AW
SYSTEM MICROCOMPUTER
R901 1K
R902 1K
R903 1K
R904 1K
7 1K
8 1K
C916
0.022
15
1
R794
100
R905
22
C912
0.012
R960
220K
R912
10K
HT-CN300H
– 22 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 22 SCHEMATIC DIAGRAM (9/17)
L_OUT
R_OUT
SL_OUT
SR_OUT
C_OUT
SW_OUT
L_OUT
SL_OUT
GND
SW_OUT
GND
C_OUT
SR_OUT
AGND
AGND
AGND
CENTER-CH
SOBWOOFER-CH
SORROUND R-CH
SORROUND L-CH
OUT1
IN1N
IN1P
VPP
IN2P
IN2N
OUT2
VDD
DI
CE
VSB
LOUT
LBASS
LTRE
LIN
LSELO
L4
L3
L2
L1
R1
R2
R3
R4
RSEL
RIN
RTRE
RBASS
ROUT
VREF
VDD
CLK
DI
CE
VSB
LOUT
LBASS
LTRE
LIN
LSELO
L4
L3
L2
L1
R1
R2
R3
R4
RSEL
RIN
RTRE
RBASS
ROUT
VREF
VDD
CLK
IC713 LC75341M
OUT1
IN1N
IN1P
VPP
IN2P
IN2N
OUT2
VDD
OUT1
IN1N
IN1P
VPP
IN2P
IN2N
OUT2
VDD
[1]
DSP_FLOUT
[1]
DSP_FROUT
[1]
DSP_SLOUT
[1]
DSP_SROUT
[1]
DSP_COUT
[1]
DSP_SWOUT
[2]
CLK
[2]
DATA
[2]
CCB_CE0
[2]
CCB_CE1
[2]
CCB_CE2
–B
–B
–B
+B
+B
+B
+B
+B
+B
35
34
33
37
36
23
24
25
26
28
27
DSP PWB-A1 (3/3)
FM  SIGNAL
1
2
3
4
1
2
3
4
5
6
7
8
5
6
7
8
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
13
14
15
16
17
18
19
20
21
22
23
24
C932
10/16
C922
10/16
R729
330
R789
330
C904
0.0027
C921
0.1
R867
3.9K
C900
0.1
R872
220
C899
1/50
C923 100P(CH)
C925 100P(CH)
C924 100P(CH)
R878
1K
R880
1K
R879
1K
C950
100/16
C949
0.022
C817
0.022
R736
330
R737
330
C961
1/50
C962
1/50
C890
1/50
C891
0.0027
C892
0.1
C893
0.1
R877
3.9K
R875
220
C895
10/16
C883
10/16
C894
10/16
C884 100P(CH)
C886 100P(CH)
C885 100P(CH)
C880
0.0027
C882
0.1
R864
3.9K
C881
0.1
C939
1/50
R874
220
R861
1K
R862
1K
R943
1K
IC712
LC75341M
AUDIO
PROCESSOR
C866
1/50
C879
1/50
C867
0.0027
C868
0.1
C869
0.1
C871
10/16
R865
3.9K
C929
1/50
C951
0.022
C816
0.022
R873
220
C870
10/16
C952
100/16
R790
330
R840
100
R843
100K
C829
0.022
R816
100K
C826
47P
(CH)
R834
1K
C718
0.022
IC716
NJM4580M
OPE AMP.
R841
560
C827
100P
(CH)
R835
1K
R844
1K
R846
560
R849
100K
C847
100P
(CH)
C850
0.022
R854
100K
C851
100P
(CH)
R863
560
R850
1K
IC711
NJM4580M
OPE AMP.
R856
1K
R822
560
R824
100K
C837
100P(CH)
C843
0.022
R823
100K
C854
0.022
C853
0.022
C801
10/16
R801
27K
R802
27K
R803
220
R804
220
C803
0.015
C804
0.015
C802
10/16
C805
10/16
R805
27K
R806
27K
R807
220
R808
220
C807
0.015
C808
0.015
C810
10/16
C809
10/16
R809
27K
R810
27K
R811
220
R812
220
C811
0.015
C812
0.015
IC713
LC75341M
AUDIO
PROCESSOR
C806
10/16
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
– 23 –
HT-CN300H
7
8
9
10
11
12
Figure 23 SCHEMATIC DIAGRAM (10/17)
TUNER_L
TUNER_R
L_OUT
R_OUT
DSP_L_IN
DSP_R_IN
AGND
VCR1_REC_L
VCR1_REC_R
FL_OUT
FR_OUT
SL_OUT
SR_OUT
C_OUT
SW_OUT
AGND
FRONT R-CH
FRONT L-CH
VCR1 IN
VCR2 IN
AUX IN
TUNER IN
REC_L
REC_R
AUX_L
AUX_R
VIDEO1_L
VIDEO1_R
VIDEO2_L
VIDEO2_R
GND_AUDIO
GND_AUDIO
GND_AUDIO
GND_AUDIO
FR_PRIOUT
FL_PRIOUT
C_PRIOUT
SW_PRIOUT
SL_PRIOUT
SR_PRIOUT
A_GND
A_GND
A_GND
+9V
-9V
GND_AUDIO
GND_AUDIO
GND_AUDIO
GND_AUDIO
L_MUTE
F_RLY
S_RLY
C_RLY
W_RLY
-20DBATT
FAN_CONT
PROTECT
POW_LEV
A_GND
THERMO
CNP550
TO
AUDIO PWB
P30  1 - C
FROM
AMP. PWB
P24  1 - F
FW12
DI
CE
VSB
LOUT
LBASS
LTRE
LIN
LSELO
L4
L3
L2
L1
R1
R2
R3
R4
RSEL
RIN
RTRE
RBASS
ROUT
VREF
VDD
CLK
OUT1
IN1N
IN1P
VPP
IN2P
IN2N
OUT2
VDD
OUT1
IN1N
IN1P
VPP
IN2P
IN2N
OUT2
VDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
1
2
3
3
1
2
[1]
DSP_FROUT
[1]
DSP_AUDIOIN_L
[1]
DSP_AUDIOIN_R
[2]
VP
[2]
VF2
[2]
VF1
[1,2]
DGND
[1,2]
SW5V
[1,2]
3.3V
[1,2]
[1,2]
UNSW5V
[2]
L_MUTE
[2]
F_RLY
[2]
S_RLY
[2]
C_RLY
[2]
ATT20DB
[2]
W_RLY
[2]
THERMO
[2]
FANCNT
[2,3]
PROTECT
[2]
POWLEV
[2]
TUN_L
[2]
TUN_R
[2,3]
PROTECT
[1,2]
AGND_A
[1]
AGND
DGND_FL
CNS102
+9V
-9V
+3.3V1
+3.3V2
SW_5V
VF1
VF2
-VP
D_GND_FL
D_GND_DSP
A_GND1
UNSW_5V
A & D
D
D
A
D
D
D
A
A
D
D
D
CNP122
TO
AMP. PWB
P14  1 - G
–B
–B
–B
–B
–B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
46
41
38
42
45
47
48
44
40
39
49
29
51
2
6
DGND
6
5
1
30
31
21
22
20
32
47
23
1
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
D713
KDS160
D712
KDS160
D714
KDS160
CNP711
L741
CNP710
C972
220/16
C971
100/16
L901
2.2
µ
H
C814
0.022
C813
0.022
Q704
2SD1898
C720
100/16
R814
220
C732
0.022
R827
1K
R828
1K
R799
1K
CNP713
R973
220
R972
100K
R971
100K
C953
10/16
C954
10/16
C955
0.022
R974
220
IC718
NJM4580M
OPE AMP.
R975
18K
C956
150P
(CH)
C957
100P(CH)
R977
12K
C960
0.022
C964
560P
(CH)
C959
100P
(CH)
R982
12K
C965
560P(CH)
R976
18K
C958
150P
(CH)
R978
33K
R979
33K
L731
L732
L733
L734
L735
L736
L737
L738
C861 1/50
C873 1/50
C862 1/50
C863 1/50
C864 1/50
C874 1/50
C875 1/50
C876 1/50
C943
10/16
R739
330
C918 1/50
C878 1/50
C944 100P(CH)
C946 100P(CH)
C945 100P(CH)
R884
3.9K
R887
220
R820
1K
C940
0.0027
R772 
1K
R773 
1K
R768
1K
R774 
1K
R775
1K
IC720
LC75341M
AUDIO
PROCESSOR
R769 
1K
R770 
1K
R771 
1K
C917 1/50
C865 1/50
R793 1K
C930
0.0027
C818
0.022
C931
0.1
C934
0.1
C935
10/16
R894
3.9K
R938
220
C932
10/16
C922
10/16
C948
100/16
C947
0.022
R729
330
R789
330
R867
3.9K
R872
220
0P(CH)
0P(CH)
0P(CH)
856
K
R824
100K
H)
C843
0.022
C839
100P
(CH)
R825
560
R823
100K
R859
1K
C854
0.022
IC715
NJM4580M
OPE AMP.
C810
10/16
R812
220
2
5
C742
270P(CH)
C823
270P(CH)
C824
270P(CH)
C825
270P(CH)
C785
0.0022
C838
270P(CH)
C759
270P(CH)
L903
2.2
µ
H
C942
0.1
C941
0.1
R881
1K
R882
1K
R883
1K
13
41M
DIO
SSOR
FW10
HT-CN300H
– 24 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 24 SCHEMATIC DIAGRAM (11/17)
CNP302
A_GTUN
D_GTUN
+12V
VF2
VF1
-VP
A_GND
-12V
UN_SW_5V
D_GND
D_GND
+12V
+3.3V
+3.3V
SW_5V
-5V
VIDEO_GND
SW_5V
UN_SW_5V
ASSIST
UN_SW_GND
+12V
-12V
+B
+B
+B
+B
+B
+B
+B
+B
-B
+B
+B
+B
+B
+B
+B
–B
–B
+B
–B
+B
+B
-5V
M_12VA
VF2
VF1
+3.3V
SW_5V
TO
AMP. PWB
P15  12 - C
TO
TUNER PWB
P27  12 - F
TO
DSP PWB
P23  12 - B
SW_5V
-5V
IN
OUT
GND
E
B
C
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
1
2
3
+B
-B
PGND
M_12VA
PGND_A
FANB
AMP. PWB-B3 (2/2)
FANGND
CNP713
TO
VIDEO PWB
P28  1 - D
CNP431
1
2
4
6
5
7
8
2
3
D298
1N4004S
IC103
BA033T
VOLTAGE REGU
Q113
KTA1274 Y
Z113
DZ5.6BSB
R116
22K
C129
0.022
C127
47/10
R139 75(2W)
CNS103
BI103
CNS102
CNS104
BI102
BI104
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
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