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HT-CN300H (serv.man13). Block diagrams - Sharp Audio Service Manual (repair manual)

ht-cn300h (serv.man13) service manual
Model
HT-CN300H (serv.man13)
Pages
4 Few pages! See other manuals at the bottom of the first or last page.
Size
96.61 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / Home Theatre / Block diagrams
File
ht-cn300h-sm13.pdf
Date
Next: Sharp HT-CN300H (serv.man14) Specification

Read Sharp HT-CN300H (serv.man13) Service Manual online

HT-CN300H
– 10 –
 Figure 10 BLOCK DIAGRAM (1/4)
Q416
8
+B4
IC405
NJM2279D
VIDEO
SWITCH
14
- B 2
IC402
NJM2279D
VIDEO
SWITCH
14
8
+B4
+B4
30
10
8
6
7
2
5
4
3
1
1
23
2
4
5
9
8
17 13
21
7
18
16
12
14 15
CF302
CF303
CF303
CF303
20
1
22
15
16
11
3
4
5
6
7
9
10
21
17
+B3
- B 2
- B 3
+B4
+B5
+B6
+B7
J420
TV
MONITOR
OUT
J430
DVD IN
VTR2 IN
VTR1 IN
VTR1 OUT
VIDEO
VIDEO
VIDEO
VTR2 IN
VTR1 IN
VTR1 OUT
VIDEO/AUX IN
AUDIO
AUDIO
AUDIO
AUDIO
J550
5
10
3
12
IC404
TK15406M
IC404
TK15406M
VIDEO DRIVER
MUTE
- B 2
12
1
3
5
IC401
LC74763
OSD IC
18
16
CV OUT
CV IN
OSD CS
DATA
CLK
8
9
10
5
6
X440
17.734475 MHz
T302
T306
FE301
IC303
LA1832S
FM IF DET ./FM MPX./AM IF
AM OSC IN
AM RF IN
AM IF
GND
FM+B
FM DET
VCO
MO/ST
IC302
LC72131
PLL(TUNER)
OSC
FM/AM
MO/ST
+B3
+B3
FM FRONT END
DSP SECTION
VCC
AM TRACKING
AM BAND
COVERAGE
VT
X352
4.5 MHz
SWITCHING
FM
STEREO
CE0
DATA
CLK
DO
FM/AM
OUT
MPX IN
FM/AM
R L
X351
456 k Hz
10.7 MHz
450 kHz
AM MIX
MAIN L/R
SURROUND
L
/R
CENTER/SUBWOOFER
TUNER L/R
VTR2 IN
VTR1 IN
VTR1 OUT
VIDEO/AUX IN
Q360
AM LOOP
ANTENNA
CNP301
SO301
FM ANTENNA
TERMINAL
CF301
L354
LOW PASS LOW
ICT1
LC72723
RDS DECORDER 
16
15
14
13
8
9
10
2
3
11
7
MPX IN
VDDA
X OUT
X IN
QT21
XT21
4.332 MHz
RST
RDDA
RDCL
RD-ID/
READY
VSSD
TEST
VDDD
– 11 –
HT-CN300H
 Figure 11 BLOCK DIAGRAM (2/4)
Q112
Q113
Q151
IC103
BA033T
VOLTAGE
REGULATOR
10
13
8
2
15
5
3
1
11
4
24
13
32
25
80
91
71
78
Q691
100
93
Q202
IC203
LM4766T
POWER 
AMP
3
1
5
15
13
8
2
10
RY511
Q132
IC501
KA7805AP
VOLTAGE
REGULATOR
13
IC202
LM4766T
POWER 
AMP
FRONT
SURROUND
SUBWOOFER
CENTER
L
R
L
R
C
W
Q210
Q220
Q230
Q240
Q230
Q240
20ATT
20ATT
20ATT
+B1
- B 1
+B3
- B 2
- B 3
+B4
+B5
+B6
-VP
VF2
VF1
+B7
FANB
- 5 V
- 1 2 V
+5V
+3V3
+12V
4
1
2
35
34
92
79
VF1
VF2
2
15
4
3
1
5
10
8
4
IC201
LM4766T
POWER 
AMP
12
56
17
18
8
9
20
19
+5V
1 16 34 46
2
3
4
5
+B7
10
11
12
Q682
IC602
+B7
SW678
1
2
3
+B7
33
39
40
25
13
M
+B6
FL690
FL DISPLAY
IC601
IX0014BG
SYSTEM MICROCOMPUTER
RESET
KEY_O
REMOCON
I C 1 0
REMOTE SENSOR
X611
4.194304MHz
RY210
RY230
RY250
D101
F101
T6.3A L 250V
F102
T6.3A L 250V
F111
T1.25A L 250V
F112
T1.25A L 250V
F121
T500mA L 250V
D111
D112
D113
D114
D121
D123
D122
D124
D131
D522
D523
D525
D524
T501
SUB POWER TRANSFORMER
F511
T2.5A L 250 V
L511
AC LINE
FILTER
AC POWER
SUPPLY CORD
AC 230 V/50 Hz
T100
MAIN POWER
TRANSFORMER
J201
SPEAKER TERMINAL
+B3
+B3
+B3
OSD CS
DATA
CEO
CE1
CE2
DO
RDS_READY
RDS_RDCL
RDS_RDDA
RDS_RESET
CLK
M200
FAN MOTOR
FAN MOTOR
DRIVER
Q150
HT-CN300H
– 12 –
 Figure 12 BLOCK DIAGRAM (3/4)
1
2
3
4
5
6 
7
8
9
10
16
15
14
13
12
11
20
19
18
17
OE
D0
D1
D2
D3
D4 
D5
D6
D7
GND
VCC
O0
O1
O2
O3
O4
O5
O6
O7
CK
IC702
TVHC574T
LATCH
1
2
3
4
5
6 
7
8
9
10
16
15
14
13
12
11
20
19
18
17
OE
D0
D1
D2
D3
D4 
D5
D6
D7
GND
VCC
O0
O1
O2
O3
O4
O5
O6
O7
CK
IC701
TVHC574T
LATCH
1
2
3
4
5
6 
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27 
26
25
24
23
22
21
20
19
18
17
A14
A17
VCC
VPP
A16
A15
OE
O6
O5
O4
O3
GND
O2
O1
O0
A0
A1
A2
A3
A4
A5
A6
A7
A12
A13
A8
A9
A11
O7
CE
A10
IC703
MX27L212
EPROM
39
8
9
10
11
14
15
16
17
4
3
44
43
42
41
40
21
22
25
26
27
28
D7
D6
D5
D4
D3
D2
D1
D0
IC706
CS493292
DSP
RD
XMT958
MCLK
SCLK
LRCLK
AUDAT0
AUDAT1
CS
SCDOUT
INTREQ
EXTMEM
SDATAN1
SCLKN1
LRCLKN1
SDATAN2
RESET
SCLKN22
AUDAT2
3
GND
3Y
1A
VCC
1Y
3A
IC707
TC7WU04U
DUAL2-INPUT
NAND GATE
IC704
74HC07AF
BUFFER AMP.
2
37
RX4
SDTI3
SDA/CDTI
XTI/EXTCLK
MCKO
LRCK
BICK
STDO
SDTI1
SDTI2
SCDIN
15
81
82
F_SP_RLY
C_SP_RLY
80
79
S_SP_RLY
W_SP_RLY
29
30
X901
8.38 MHz
13
X701
12.288 MHz
SDATAN1 30
VCC
GND
8
4
+B5A
IC710
IX0489AW
SYSTEM
MICROCOMPUTER
FROM
DISPLAY SECTION
+B4A
+5V
+3V3
FLD_SDATA
FLD_SCK
FLD_CS
FLD_RESET
RXIN
DD_LED
STD_LED
DTS_LED
VIR_LED
AAC_LED
DPL_LED
POWER
S_MUTE
ROM
DSP_RESET
DSP_CS
DSP_SCLK
DSP_SCOUT
DSP_SCDIN
SCL
SDA
DSP_UC15
DSP_UC16
DSP_UC17
8
7
9
10
11
12
11
1
35
2
1
23
24
DGND1
DGND3
AGND
DGND2
VD1
VD3
VD2
13
12
13
12
11
10
9
8
1
2
3
4
5
6
36 18 19 20 6
1 6 7
GND
3Y
1A
VCC
IC721
TC7WU04U
DUAL2-INPUT
NAND GATE
1
2
GND
1Y
1I0
VCC
6
5
IC722
74HC153
DIGITAL
SWITCHING
7
1I1
7
14 S0
16
7
14
7
47 45
48
65
39 38 37 36 35
1
2
3
VCC
GND
VOUT
IC709
GP1FA550R
DIGITAL IN
CON707
2 3 4
1
20 22 23
25 26 27
24
78 72
Q
Q
Q
+B3A 
+B5A
+B4A 
Q
+B7A 
+B5A
+3V3
16
+B5B
+2V5
+B5
+3V3
+B5
+3V3
+3V3
+11V
+3V3
+5V
SWITCHING
SWITCHING
SPDIF  COAX  IN
– 13 –
HT-CN300H
Figure 13 BLOCK DIAGRAM (4/4)
33
32
23
IC708
AK4586VQ
ADC/DAC/DIR
CONVERTER
IC718
NJM4580M
OPE AMP.
IC715
NJM4580M
OPE AMP.
IC711
NJM4580M
OPE AMP.
IC716
NJM4580M
OPE AMP.
31
30
29
28
26
27
41
37
RX2
RX4
PVSS
PVDD
RIN
LIN
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
VREFH
DTI3
SDA/CDTI
SCL/CCLK
AVSS
ADD
TI/EXTCLK
DVDD1
DVSS1
TVDD2
CKO
RCK
CK
TDO
DTI1
DTI2
TUNER
VCR1 IN
VCR2 IN
VIDEO/AUX IN
CLK
CE
DI
IC720
LC75341M
AUDIO
PROCESSOR
7
18
12
13
21
4
12
13
21
4
12
13
3
1
23
2
24
21
4
1
2
24
1
2
24
CLK
CE
DI
CLK
CE
DI
FROM  AUDIO  SECTION
3 23
3 23
IC713
LC75341M
AUDIO
PROCESSOR
IC712
LC75341M
AUDIO
PROCESSOR
FRONT  Lch
FRONT  Rch
ANALOG IN  Lch
ANALOG IN  Rch
VCR1 OUT
TO  POWER AMP
SECTION
3
5
22 
34
4
21
36
17 18
-B3
3
4
5
1
7
8
3
4
5
1
7
8
3
4
5
1
7
8
3
4
5
1
7
8
15
16
10
11
14
12
13
9
-B3
-B3
+B3A
+B3A
+B3A
+B3A
-B3
B3A
B3A
B3A
Q704
Q701
Q721
+B3
B3A 
+B5
B5A
B4A 
+B4
Q703
+B7
B7A 
+B5
+3V3
+B4
+5V
IC705
PQ025EZ
VOLTAGE
REGULATOR
+B5
+B5B
+5V
+9V
+3V3
3V3
11V
3V3
+5V
+5V
WITCHING
WITCHING
+3V3
+2V5
-9V
+8V
+8V
+8V
+8V
-9V
-9V
-9V
+8V
+8V
+8V
CENTER
WOOFER
SURROUND  Lch
SURROUND  Rch
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Here you can read online and download Sharp HT-CN300H (serv.man13) Service Manual in PDF. HT-CN300H (serv.man13) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp HT-CN300H (serv.man13) Home Theatre. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

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