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

– 25 –
HT-CN300H
7
8
9
10
11
12
Figure 25 SCHEMATIC DIAGRAM (12/17)
S2
S2
S2
S3
S3
S5
S5
S4
S4
CNS101
FROM
MAIN
TRANSFORMER
P29  12 - G
+B
+B
+B
+B
-B
-B
+B
+B
+B
+B
3
2
4
1
IN
OUT
GND
E
B
C
E
B
C
1
3
2
1
2
3
4
5
6
7
8
9
E
B
C
3
E
1
2
C
B
S1
GND
S1
CNS107
FROM
MAIN
TRANSFORMER
P29  12 - F
1
2
3
IN
OUT
GND
1
2
3
CNP101
F101
T6.3A L 250V
F102
T6.3A L 250V
C101
0.22
(ML)
C102
0.22
(ML)
D111
1N4004S
D112
1N4004S
D113
1N4004S
D114
1N4004S
F111
T1.25A L 250V
F112
T1.25A L 250V
C111
0.22
(ML)
C112
0.22
(ML)
F121
T500mA L 250V
D122
1N4004S
D121
1N4004S
D123
1N4004S
D124
1N4004S
C122
0.22
(ML)
C121
0.22
(ML)
D131
1N4004S
TH102
0.23
C131
220/63
R131
1K
R198
220K
C132
0.022
Z131
DZ27BSB
Q132
KTA1274 Y
C133
0.022
C123
2200/16
C124
0.022
C125
47/10
C126
0.022
IC103
BA033T
OLTAGE REGULATOR
IC102
KA7805AP
VOLTAGE
REGULATOR
C114
2200/25
R113
1K
Z112
DZ13BSB
C199
47/16
C117
470/16
C118
22/50
R114
22K
R115
680
R173
18(1W)
C119
22/50
Q112
KTA1274 Y
C130
0.022
Z150
DZ13BSB
Q113
KTA1274 Y
Z113
DZ5.6BSB
6
C113
4700/25
Q150
KTC2026
Q151
KTC3199 GR
C141
6800/50
C142
6800/50
R150
1K
D101
TS6B04GM
7
0
CNP107
HT-CN300H
– 26 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
AGND7
VDD
+B
+B
+B
+B
+B
1
2
3
FM_IF_IN
AM_MIX_OUT
AM_OSC_IN
AM_OSC_OUT
1
X_IN
NC1
CE
DI
CL
DO
VDD
PD
AIN
AOUT
VSS
X_OUT
1
3
2
IF_OUT
GND0
F_OUT
VT
VCC
GND1
GND2
ANT
TP301
1
2
CHASSIS
GND
CHASSIS
GND
1
2
3
C
E
B
AM ANTENNA
AM BAND
COVERAGE fL
FM MUTE
LEVEL
FM SIGNAL
AM SIGNAL
TUNER PWB-B2
2 
1 
AM LOOP
ANTENNA
1
2
3
4
5
6
1
18
19
20
21
22
1
2
23
24
1
2
3
4
5
6
7
8
Q371
KTA1266 GR
R371
4.7K
R
1
D352
DS1SS13
Q301
2SC380 O
R38
5.6K
IC302
LC7213
PLL(TUN
R379
2.2K
X352
4.5 MHz
C381
12P(CH)
C380
10/16
C393
1/50
R380
1.5K
C392
0.001
C394
47/25
R381
10K
C397
0.022
R382
150
C387 0.022
C382
15P(CH)
T351
AM IF
C351 0.022
C350 0.047
C352 10/50
L353
1mH
R358
8.2K
R386
1K
C343
33P
C361
0.022
C362
3.3/50
R351
5.6K
C310 100P
R374 1K
R373 1K
R372 1K
C311 100P
C312 100P
C347
0.022
L342
2.2
µ
H
R323
68K
R344 470
R348 680
R349 33
R346 330
R347
6.8K
C334
18P(UJ)
R336
10K
CF302
CF301
VR351
10K(B)
C331
0.047
C332
0.022
VD301
SVC348S
C342
0.022
C330
15P(UJ)
C323
0.022
T302
AM TRACKING
C337
0.022
C339
100P
L341
BALUM
C335
330P
T306
AM OSC.
C338 0.001
D302 DS1SS133
D301 DS1SS133
C341
0.022
R369
82
R345
4.7K
R301
82
D305
DS1SS133
D306
DS1SS133
D303
DS1SS133
D304
DS1SS133
C301
0.001
C389
0.001
FE301
FM FRONT END
C345 0.022
C346 0.022
C321 100/16
C390 0.001
CNP301
SO301
FM ANTENNA
TERMINAL
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
Figure 26 SCHEMATIC DIAGRAM (13/17)
– 27 –
HT-CN300H
7
8
9
10
11
12
FW9
CNP712
TO
DSP PWB
P21  12 - G
CNS104
FROM
AMP. PWB
P24  1 - E
TUNER_L
AGND
TUNER_R
AGND
CCB_DO
DATA
CCB_CLK
CCB_CE0
SPAN
TUN_SM
RDS_RST
RDS_READY
RDS_RDDA
RDS_RDCL
+12V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
FM_IF_IN
AM_MIX_OUT
REG
AM_IF_IN
GND
SD
STEREO
FM_DET
VCC
IF_OUT
PHASE
PHASE(FM/AM)
MO/ST
L-CH_OUT
R-CH_OUT
MPX_IN
MPX_VCO
FM/AM_OUT
AM_LOW_CUT
VSM
AM_RF_IN
FM_AFC
AM_OSC_IN
AM_OSC_OUT
1
2
3
X_IN
NC1
CE
DI
CL
DO
FM
MW
MUTE
MO/ST
ST_IND
IF_IN
IO2
NC2
AM_IN
FM_IN
VDD
PD
AIN
AOUT
VSS
X_OUT
TP302
1
3
2
1
3
2
1
2
3
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
14
1
2
3
4
5
6
7
8
9
10 11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
10 11 12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
XOUT
TEST
CIN 
FLOUT
VSSA
VDDA
MPXIN
XIN 
READY 
RDS-ID/ 
RDCL
RDDA
RST 
MODE
VDDD
VSSD
VREF
ICT21
LC72723
CT30    0.022
R350
2.7K
L354
C367
1/50
X351
456 kHz
C368
1/50
R356
1K
R357
470K
C374 0.018
C369
27P
C373 0.018
C372
1/50
R362
220
R361
220
R363
15K
R364
15K
R370
1K
C371
1/50
C356
0.001
C355
22P
C358
1/50
R355
3.3K
R359
1.8K
R354
3.9K
C376 0.022
C396
100/10
L352
100
µ
H
C395
0.022
R389
3.9K
Z351
DZ5.1BSB
C370
1/50
C357
2.2/50
R391
150
R392
150
Q371
KTA1266 GR
R371
4.7K
R399
10K
D352
DS1SS133
Q360
2SB562 C
R384
5.6K
R385
5.6K
R383
5.6K
C391
47/25
IC302
LC72131
PLL(TUNER)
C386
330P
R376
1K
R395
47K
R360
4.7K
R378
82K
C385
0.01
R379
2.2K
R393
1K
R377
47K
L351
100
µ
H
C380
10/16
C393
1/50
R380
1.5K
C392
0.001
C394
47/25
C387 0.022
CF352
T351
AM IF
C353
0.022
R353
270
C354
0.022
C398
100/10
C399
0.022
C377
0.047
C350
 
0
.047
R352 1K
IC303
LA1832S
FM IF DET./
FM MPX./
AM IF
C363 0.022
C365 0.022
C364 4.7/50
C366 0.001
C361
0.022
362
3/50
R372 1K
CF351
CON301
CNP302
ICT1
LC72723
RDS DECORDER
RT24
56K
CT25
22P
(CH)
RT30      1K
LT21
2.2 
µ
H
LT22
2.2 
µ
H
CT32
47/16
CT31
47/16
CT28
0.022
CT27
0.022
CT26
560P
RT26
56K
RT25
10K
QT21
KTC3199 GR
CT29
0.022
XT21   4.332 MHz
CT22
0.022
CT21
47/16
RT21
10K
RT28
1K
RT29
1K
RT27
1K
CT23
22P(CH)
Figure 27 SCHEMATIC DIAGRAM (14/17)
HT-CN300H
– 28 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 28 SCHEMATIC DIAGRAM (15/17)
AC POWER
SUPPRY CORD
AC 230 V, 50 Hz
FW11
CNP704
TO
DSP PWB
P20  5 - H
OSD_CS1
V_MUTE
V_SW2
DATA
V_SW1
CLK
V_REC_MUTE
FUNC_DVD
D_GND
AC_RLY
- 5 V
– B
– B
– B
– B
– B
+ B
+ B
+ B
+ B
+ B
+ B
+ B
+ B
+ B
+ B
+ B
+ B
GND_VIDEO
SW_5V
ASSIST
UN_SW_5V
UN_SW_GND
VIN3
SW1
VIN2
MUTE2
MUTE1
VIN1
SW2
VEE
VSS1
X-IN1
X-OUT1
HSYNC_OUT
X-IN2
X-OUT2
VSYNC_OUT
CS
SIN
SCLK
SECAM
525/625
NTSC/PAL
3.58/4.43
RST
CV_OUT
VDD2
CV_IN
CV_CR
SYNC_IN
SEPC
VSS2
PD_OUT
AMP_IN
AMP_OUT
FC
VCO_IN
VCO_OUT
SYNC_DET
VDD1
GND
OUT
I N
B
E
C
B
E
C
1
2
3
4
5
6
STBY
OUT
NC
I N
GND
VCC
B
C
E
1
1
2
3
4
5
6
7
8
9
10
11
11
VIDEO PWB-B7
CNS103
FROM
AMP. PWB
P24  1 - G
VIDEO  SIGNAL
14 13 12 11
4
1
2
2
3
1
2
3
1
5
4
6 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
3
2
1
When Servicing, pay attention as the area 
enclosed by this line (                   ) is directly 
connected with AC main voltage.
R4
7
C463
33/16
R463
75
R426
330
C4
33
R46
75
C
33
Z460
DZ6.2BSB
R523
100
Q521
KTC3198 GR
Q428
KTC3199 GR
R522
47K
D526
DS1SS133
C523
1000/6.3
C522
470/35
IC501
KA7805AP
VOLTAGE
REGULATOR
C521
0.047
(ML)
D521
DS1SS133
T501
SUB POWER
TRANSFORMER
C511
0.0047
RY511
D522 1N4004S
D523 1N4004S
D524 1N4004S
D525 1N4004S
R420
75
C421
33/16
C420
470/6.3
C427
4.7/50
IC404
TK15406M
VIDEO DRIVER
C422
0.022
CA1
56P
R428
2 . 2 K
R427
2 . 7 K
R466
1K
R477
220
C477
0.0012
C476
1/50
C430
0.022
C436 
0.0068
R434 
1K
C434 
0.022
C432 
24P(CH)
C435
1/50
(N.P.)
R436
6 . 8 K
L432
5.6
µ
H
C433
24P(CH)
TC432
20P
R437
1 . 5 K
R435
120
L450
100
µ
H
C451
100/16
C450
100/16
L451
100
µ
H
C453
0.022
C481
0.001
C480
0.001
C454
0.022
C482
0.001
C483
0.001
R480 
1K
R481 
1K
R482 
1K
R483 
1K
L452
100
µ
H
C452
100/16
C455
0.022
IC401
LC74763
OSD.
X440
17.734475 MHz
C439
30P(CH)
C440
27P(CH)
C408
100P
C409
100P
C407
100P
R408 
1K
R409 
1K
R410 
1K
C417
4.7/50
Q416
KRC107 M
C416
0.022
L511
AC LINE FILTER
F511
T2.5A L 250V
LUG511
COR2
LUG512
CNP431
CNP430
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
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