Sharp HT-CN300H (serv.man4) Service Manual ▷ View online
– 17 –
HT-CN300H
Figure 17 SCHEMATIC DIAGRAM (4/17)
7
8
9
10
11
12
BACK-UP
UN_SW_5V
SW_5V
FW8
CNP708
TO
DSP PWB
P21 12 - F
-20DBATT
F_RLY
FAN_CONT
C_RLY
CCB_CE0
S_RLY
F_RLY
FAN_CONT
C_RLY
CCB_CE0
S_RLY
RDS_RDDA
RDS_RDCL
RDS_RST
RDS_READY
SPN
RDS_RDCL
RDS_RST
RDS_READY
SPN
N.C.
TUN_SM
CLK
W_RLY
DATA
THERMO
CCB_DO
PROTECT
D_GND
POWER_LEVEL
W_RLY
DATA
THERMO
CCB_DO
PROTECT
D_GND
POWER_LEVEL
B
C
E
B
C
E
3
2
1
2
1
2
3
4
5
6
7
8
9
10
GND
11
12
13
14
15
16
17
18
19
20
VCC
1
F4
2
F3
4
G1
5
G2
6
G3
7
G4
8
G5
9
G6
10
G7
11
G8
12
G9
13
P1
14
P2
15
P3
16
P4
17
P5
18
P6
19
P7
20
P8
21
P9
22
P10
23
P11
24
P12
25
P13
26
P14
27
P15
28
P16
29
P17
P18
RDS_RDDA
1
VDD1
2
RDS_READY
3
RDS_RDCL/KARA_LAC
4
/MIC_IN
5
RDS_RESET
6
-20_ATT
7
FAN_CONT
8
CCB_CE0
9
CCB_CE1
10
RESET
11
X2
12
X1
13
VPP/IC
14
XT2
15
SPN
16
VDD2
17
CLK
18
DATA
19
CCB_DO
20
CCB_CE2
21
FLD_CS
22
FLD_SCK
23
NO_USE1
24
FLD_SDATA
25
AVSS
26
POWER_LEVEL
27
PROTECT
28
THERMO
29
TUN_SM
30
DIST_1
31
DIST_0
32
KEY_1
33
KEY_0
34
AVDD
35
AVREF
36
SYS_STOP
37
DSP_RX-IN_OUT
38
DSP_STAND_BY
39
REMCON
40
VSS
41
REM_ACK_LED
42
SMUTE(NO_USE)
43
POWER_ON_LED
44
STAND_BY_LED
45
DSP_RST
46
VDD3
47
DSP_SMUTE_IN
48
DSP_POWER_IN
83
P9
84
P8
85
P7
86
P6
87
P5
88
P4
89
P3
90
P2
91
P1
92
G9
93
G8
94
G7
95
G6
96
G5
97
G4
98
G3
99
G2
100
G1
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20
1
DISPLAY PWB-B1
IC604
VHC541AF
BUFFER AMP.
R633 1K
R678 10K
R677 10K
R676 10K
R679 68K
R666 3.3K
R667 3.3K
R638 1.5K
R637 1.5K
R635 1K
SW678
ON/STAND-BY
R636 10K
C622
4.7/50
C671
220/6.3
R694
330K
330K
R626 1K
R627 1K
R628 1K
R629 1K
R630 1K
R672 10K
R675 10K
R615 1K
R617 1K
R618 1K
R619 1K
R620 1K
R614 10K
R610 1K
C611
12P(CH)
C612
18P(CH)
X611
4.19304 MHz
R602 1K
R603 1K
R604 1K
R605 1K
R606 1K
R607 1K
R608 1K
R609 1K
C601
1000/6.3
C600 0.022
IC601
IX0014BG
SYSTEM
MICROCOMPUTER
Q691
KRC107 M
R691
1K
R692
100K
C690
1/50
FL690 DISPLAY
R690
3.3
R683
47K
D685
DS1SS133
D683
DS1SS133
D684
1N4004S
D681
DS1SS133
R680
4.7K
Q682
KRC107 M
D682
DS1SS133
R682 100K
C682
3.3/50
C681 0.022
C685
0.022
C686
0.1/50
C680
10/50
IC602
KA7042AP
VOLTAGE
REGULATOR
IC603
74VHC541AF
BUFFER AMP.
C620
0.022
D680
DS1SS133
CNP601
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_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_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_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
2
3
4
5
6
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
47/16
C731
0.1
R707 10K
R708 10K
R708 10K
R706 10K
R705 10K
R709 10K
R710 10K
R711 10K
R712 10K
R710 10K
R711 10K
R712 10K
C706
22/16
22/16
C707
0.1
C735
10/16
10/16
IC702
TVHC574T
LATCH
C736
0.022
0.022
C740
10/16
10/16
C739
0.022
0.022
IC703
MX27L212
EPROM
R745
10K
C725
0.022
0.022
C729
10/16
10/16
IC704
74HC07AF
BUFFER AMP.
IC701
TVHC574T
LATCH
C738
0.022
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
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
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
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
270P
(CH)
C998
68P
(CH)
D702
KDS160
D703
KDS160
L742
IC709
GP1FA550R
DIGITAL IN
C762
0.001
0.001
Z705
02CZ5.1X
L722
2.2
µ
H
L743
R752
82
L721
2.2
µ
H
C721
0.022
0.022
R731
47K
R751
470
C726
0.01
R730
330
C727
100P
100P
(CH)
C751
47/10
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
0.022
C741
47/16
47/16
L708
C733
0.022
IC708
AK4586VQ
ADC/DAC/DIR
CONVERTER
R750
100
100
R749 330
C846
68P
(CH)
C747
47/10
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
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
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
22/16
C701
0.1
R783 330
R784 330
R787 330
R788 330
R788 330
R785
330
R786 330
R717
100
C702
0.1
C709
470P
470P
R718
10K
R728
47
C710
0.01
R719
33K
C715
2.2/50
C717
22/16
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
47/16
IC705
PQ025EZ
VOLTAGE
EGULATOR
EGULATOR
R895
47K
R851
100K
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
0.022
R733
330
R738
33K
C724
0.022
0.022
R740
47K
R746
100K
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
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
P0
P0
P0
P0
P0
P0
PO
AN
AN
AN
AN
AN
AN
AN
AV
AN
VR
AV
P9
1
2
3
4
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
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
31
32
2
1
6
6
33
34
35
36
37
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
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
R948 1K
C916
0.022
0.022
C815
0.1
R794
100
R954
10K
R952
10K
R993
10K
R994
10K
C992
0.022
0.022
C991
0.022
0.022
R991
8.2K
R944 10K
R945 10K
R946 10K
R945 10K
R946 10K
R942 10K
R940
10K
C913
0.022
0.022
C908
47/16
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
0.022
R983 1K
R984 1K
D706
KDS160
D707
KDS160
R985
R986
D701
KDS160
L704
2.2
µ
H
C910
0.022
0.022
C911
0.022
0.022
CON703
CNP702
CNP704
CNP701
FW6
FW7
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