DOWNLOAD Sharp HT-CN300H (serv.man8) Service Manual ↓ Size: 532.6 KB | Pages: 18 in PDF or view online for FREE

Model
HT-CN300H (serv.man8)
Pages
18
Size
532.6 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / Home Theatre / Schematic diagrams
File
ht-cn300h-sm8.pdf
Date
PREV: Sharp HT-CN300H (serv.man7) Service Manual

Sharp HT-CN300H (serv.man8) Service Manual ▷ View online

HT-CN300H
– 18 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
Figure 18 SCHEMATIC DIAGRAM (5/17)
+3.3V
GND
1
VD1
2
DGND1
3
XMT
4
WRB
5
RDB
6
7
SCCLK
8
D7
9
D6
10
D5
11
D4
12
VD2
13
DGND2
14
D3
15
D2
16
D1
17
D0
18
CSB
19
SCDOUT
20
INTB
21
EXTMEMB
22
SDATAN1
23
VD3
24
DGND3
25
SCLKN1
26
LRCKNN1
27
A
41
42
LRCLK
43
SCLK
44
MCLK
R713
4.7K
R714
3.3K
R715
3.3K
R716
10K
1 A11
2 A9
3 A8
4 A13
5 A14
6 A17
7 PGMB
8 VCC
9 VPP
10 A16
11 A15
12 A12
13 A7
14 A6
15 A5
16 A4
17
A3
18
A2
19
A1
20
A0
21
O0
22
O1
23
O2
24
GND
25
O3
26
O4
27
O5
28
O6
29
O7
30
CEB
31
A10
32
EXTMEMB
IC703
MX27L2000TC
1
OE
2
D0
3
D1
4
D2
5
D3
6
D4
7
D5
8
D6
9
D7
10
GND
11 CLK
12 Q7
13 Q6
14 Q5
15 Q4
16 Q3
17 Q2
18 Q1
19 Q0
20 VCC
1
OE
2
D0
3
D1
4
D2
5
D3
6
D4
7
D5
8
D6
9
D7
10
GND
11 CLK
12 Q7
13 Q6
14 Q5
15 Q4
16 Q3
17 Q2
18 Q1
19 Q0
20 VCC
1
VIN
2
VC
3
VO1
4
NC
5
GND
6
VO2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DSP_D03
DSP_D02
DSP_D01
DSP_D00
DSP_D04
DSP_D05
DSP_D06
DSP_D07
[2]
DSP_SCCLK
[2]
DSP_ABOUT
[2]
DSP_INTREQ
[2]
DSP_SCDOUT
[2]
DSP_CS
[2]
ROM
[2]
DSP_RESET
[2]
DSP_UC15
[2]
DSP_UC16
[2]
DSP_UC17
[2]
SDA
[2]
SCL
[2]
DSP_SCDIN
DSP_D00
DSP_D01
DSP_D02
DSP_D03
DSP_D04
DSP_D05
DSP_D06
DSP_D07
DSP_A00
DSP_A01
DSP_A02
DSP_A03
DSP_A04
DSP_A05
DSP_A06
DSP_A07
DSP_A00
DSP_A01
DSP_A02
DSP_A03
DSP_A04
DSP_A05
DSP_A06
DSP_A07
DSP_A08
DSP_A09
DSP_A10
DSP_A11
DSP_A12
DSP_A13
DSP_A14
DSP_A15
DSP_A00
DSP_A01
DSP_A02
DSP_A03
DSP_A04
DSP_A05
DSP_A06
DSP_A07
DSP_A08
DSP_A09
DSP_A11
DSP_A12
DSP_A13
DSP_A14
DSP_D00
DSP_D01
DSP_D02
DSP_D03
DSP_D04
DSP_D05
DSP_D06
DSP_D07
[2,3]
3.3V
DSP_A10
[1,2,3]
DGND
[1,2,3]
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
SW5V
DSP_D00
DSP_D01
DSP_D02
DSP_D03
DSP_D04
DSP_D05
DSP_D06
DSP_D07
[1]
DSP_D[00:07]
[1]
DSP_D[00:07]
[1]
DSP_D[00:07]
DSP_A[00:15]
[2]
FUNCDVD
[2,3]
UNSW5V
[2]
DG_CNG
DSP PWB-A1 (1/3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
C70
0.1
R758
330
R726 330
R727 100
R757 330
R702
3.3K
R701
3.3K
R735
10K 
R703
4.7K
IC706
CS493292
DSP
R704
4.7K
IC705
PQ025EZ
VOLTAGE
REGULATOR
C782
0.1
C781
47/16
C731
0.1
R707 10K
R708 10K
R706 10K
R705 10K
R709 10K
R710 10K
R711 10K
R712 10K
C706
22/16
C707
0.1
C735
10/16
IC702
TVHC574T
LATCH
C736
0.022
C740
10/16
C739
0.022
IC703
MX27L212
EPROM
R745
10K
C725
0.022
C729
10/16
IC704
74HC07AF
BUFFER AMP.
IC701
TVHC574T
LATCH
C738
0.022
– 19 –
HT-CN300H
Figure 19 SCHEMATIC DIAGRAM (6/17)
7
8
9
10
11
12
AGND
AGND
GND
1
VD1
2
DGND1
3
XMT
4
WRB
5
RDB
6
SCCLK
D7
D6
D5
D4
VD2
DGND2
D3
D2
D1
D0
18
CSB
19
SCDOUT
20
INTB
21
EXTMEMB
22
SDATAN1
23
VD3
24
DGND3
25
SCLKN1
26
LRCKNN1
27
SDATAN2
28
SCLKN2
29
LRCLKN2
30
CLKIN
31
CLESEL
32
FILT2
33
FILT1
34
VA
35
AGND
36
RESETB
37
DD
38
DC
39
AUDATA2
40
AUDATA1
41
AUDATA0
42
LRCLK
43
SCLK
44
MCLK
1
1A
2
3Y
3
2A
4
GND
5
2Y
6
3A
7
1Y
8
VCC
R715
3.3K
R716
10K
1 VCC
2 GND
3 VOUT
3
1
1 XT0
2 XT1/EXTCLK
3 DVDD
4 DVSS
5 TVDD
6 TX
7 MCK0
8 LRCK
9 BICK
10 SDT0
11 SDTI1
12
SDTI2
13
SDTI3
14
INT0
15
INT1
16
CAD1/CDT0
17
SDA1/CDT0
18
SCL/CCLK
19
CAD0/CSN
20
DZF2/OVF
21
AVSS
22
AVDD
23
VREFM
24
VCOM
25
DZF1
26
LOUT3
27
ROUT3
28
LOUT2
29
ROUT2
30
LOUT1
31
ROUT1
32
LIN
33
RIN
34
PVDD
35
R
36
PVSS
37
RX4
38
SLEVE
39
RX3
40
TST
41
RX2
42
I2C
43
RX1
44
PON
1
VIN
2
VC
3
VO1
4
NC
5
GND
6
VO2
1
1A
2
3Y
3
2A
4
GND
5
2Y
6
3A
7
1Y
8
VCC
3
1
2
2
2
3
1
3
2
1
CHGN1
CHGN2
1
/1E
2
S1
3
1I3
4
1I2
5
1I1
6
1I0
7
1Y
8
GND
9
2Y
10
2I0
11
2I1
12
2I2
13
2I3
14
S0
15
/2E
16
VCC
CHGN3
SHILD  PLATE
[3]
DSP_FLOUT
[3]
DSP_FROUT
[3]
DSP_SLOUT
[3]
DSP_SROUT
[3]
DSP_COUT
[3]
DSP_SWOUT
[3]
DSP_AUDIOIN_R
[3]
DSP_AUDIOIN_L
AGND
+B
+B
+B
+B
+B
+B
+B
[1,2,3]
[1,3]
SW5V
[1,2,3]
DGND
[1,3]
AGND
[2,3]
AGND_A
IC708
AK4586VQ
6
20
21
22
23
24
25
26
27
28
20
29
1
FM  SIGNAL
C844
270P(CH)
C845
68P(CH)
D708
KDS160
D709
KDS160
C760
0.22
C821
68P(CH)
D711
KDS160
D710
KDS160
C819
0.001
C822
68P(CH)
CON707
DVD GIGITAL IN
DIG2 JACK
C840
68P(CH)
C849
330P(CH)
C999
270P
(CH)
C998
68P
(CH)
D702
KDS160
D703
KDS160
L742
IC709
GP1FA550R
DIGITAL IN
C762
0.001
Z705
02CZ5.1X
L722
2.2
µ
H
L743
R752
82
L721
2.2
µ
H
C721
0.022
R731
47K
R751
470
C726
0.01
R730
330
C727
100P
(CH)
C751
47/10
C756
68P(CH)
R782
470
R741
18K
C752
0.1
R755
4.7
C753
0.1
R742
10K
C728
0.1
R760
470
R743
10K
C745
0.1
R815
470
C743
0.022
C741
47/16
L708
C733
0.022
IC708
AK4586VQ
ADC/DAC/DIR
CONVERTER
R750
100
R749   330
C846
68P
(CH)
C747
47/10
C746
0.1
R747
330
R753
330
R754
330
R748
330
C858
68P
(CH)
R744
2.2
µ
H
R756
330
L715
2.2
µ
H
C734
0.1
C750
2.2/50
C754
0.1
C748
47/10
C749
0.1
L710
C719
100/6.3
L707
C730
0.022
C757
68P(CH)
C758
68P
(CH)
R761 100
R762 100
R763 100
R764 100
R765 100
R767 100
R759
330
X701
12.288 MHz
C712
22P
(CH)
IC707
TC7WU04U
DUAL2-INPUT
NAND GATE
C711
22P
(CH)
R955 1M
C713 0.1
C714 10/16
L711
2.2
µ
H
C708
22/16
C701
0.1
R783 330
R784 330
R787 330
R788 330
R785
330
R786 330
R717
100
C702
0.1
C709
470P
R718
10K
R728
47
C710
0.01
R719
33K
C715
2.2/50
C717
22/16
C716
0.1
L713
L709
C761 22P(CH)
R721
4.7K
R720
330
R722
4.7K
R723
4.7K
R724
330
R725
330
C704
22/16
C705
0.1
L712
C755
68P
(CH)
R758
330
R726 330
R727 100
R757 330
R701
3.3K
R735
10K 
IC706
CS493292
DSP
C784
47/16
IC705
PQ025EZ
VOLTAGE
EGULATOR
R895
47K
R851
100K
C731
0.1
Q702
KRC107 S
D704
KDS160
D705
KDS160
Q721
KRA107 S
Q701
KRA107 S
IC722
74HC153F
DIGITAL
SWITCHING
IC721
TC7WU04U
DUAL2-INPUT
NAND GATE
C820
0.022
R733
330
R738
33K
C724
0.022
R740
47K
R746
100K
DIG1
OPTCAL
HT-CN300H
– 20 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
Figure 20 SCHEMATIC DIAGRAM (7/17)
+3.3V_SWD
D_GND
GND
BACK UP +3.3V
AC_RLY
V_REC_MUTE
V_SW1
V_SW2
OSD_CS1
V_MUTE
DATA
CLK
DGND
DVD_FUNC
OSD_CS1
V_SW2
V_SW1
V_REC_MUTE
DVD_FUNC
DGND
AC_RLY
CLK
DATA
V_MUTE
+3.3V
+3.3V_BACKUP
D_GND
SW_5V
UN_SW_5V
VF1
VF2
-VP
DPL_LED
VIR_LED
DTS_LED
D.D_LED
TO
DISPLAY PWB
P16  1 - G
REM_ACK_LED
REMCON
DSP_RX_IN
DSP_RESET
FLD_SDATA
FLD_RESET
FLD_SCK
FLD_CS
CLK
DATA
CCB_CE0
CCB_CE1
CCB_CE2
STD LED
AAC_LED
DSP_POWER_IN
DSP_SMUTE_IN
DSP_STAND-BY
L_MUTE
FW11
TO
VIDEO PWB
P28  1 - C
CNP430
P0
P0
P0
P0
P0
P0
P0
PO
AN
AN
AN
AN
AN
AN
AN
AV
AN
VR
AV
P9
1
2
3
4
3
2
1
3
1
2
1
1
2
3
4
5
6
7
8
9
10
11
11
1
1
2
3
4
5
6
7
8
9
10
10
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
24
25
26
27
28
29
29
[1,3]
3.3V
[1,2,3]
DGND
[3]
CCB_CE2
[3]
CCB_CE1
[3]
CCB_CE0
[3]
DATA
[3]
CLK
[3]
VP
[3]
VF2
[3]
VF1
[1,2,3]
UNSW5V
[1,3]
SW5V
[1,2,3]
DGND
[3]
L_MUTE
[1,2,3]
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
UNSW5V
[1]
FUNCDVD
[1]
DG_CNG
DSP PWB-A1 (2/3)
CNP640
CNP670
TO
DISPLAY PWB
P16  1 - D
2
6
30
31
32
2
1
6
33
34
35
36
37
3
4
38
5
CNS10
FROM
SENSOR PWB
P30  1 - H
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
R989 1K
R990 1K
R947 1K
R948 1K
C916
0.022
C815
0.1
R794
100
R954
10K
R952
10K
R993
10K
R994
10K
C992
0.022
C991
0.022
R991
8.2K
R944 10K
R945 10K
R946 10K
R942 10K
R940
10K
C913
0.022
C908
47/16
L714
2.2
µ
C907
47/10
C703
10/10
C909
1000/6.3
Z704
02CZ3.9X
R926
220
Q703
2SD1898
L702
2.2
µ
H
C744
0.022
R983 1K
R984 1K
D706
KDS160
D707
KDS160
R985
R986
D701
KDS160
L704
2.2
µ
H
C910
0.022
C911
0.022
CON703
CNP702
CNP704
CNP701
FW6
FW7
– 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
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