Sharp SD-PX15H (serv.man17) Service Manual ▷ View online
SD-PX15H
6 – 21
Figure 6-21 SCHEMATIC DIAGRAM (8/22)
KTC3199 GR
EK19
EK19
2.2K
1K
33K
10K
100K
47K(2W)
47
150K
220K
3.3K
1.5K
220
3.3K
1M
390K
0.1
0.01
33/35
4.7/50
220P
0.0022/250
0.0022
C906
0.1
0.001
0.001
0.001
0.33
T2.5A L 250V
0.047(ML)
0.047(ML)
1/50
0.01
0.01
D5SB60
KTA1266GR
S1VBA60
FMLG22S
STRF6267
SWITCHING
R
EGULATOR
1
2
3
4
5
SE-B2
EPROM
AMP.
1
2
3
1
2
3
4
1
2
3
4
220P(CH)
0.001/3.15
0.001/3.15
0.0022
0.0015
0.01
0.01
47/25
22K
4.7K
K
100
100K(2W)
220
TN10V471
AG01Z
AG01Z
AG01Z
AG01Z
AK09
AK09
33/25
0.01
0.01
470/25
0.0047
680
100/10V
470/16
470/25
1000/35
1000/35
1000/35
AK06
RK49
1000/25
100/63
100/63
3.3 µH
1
2
1
2
180/400
0.1
SARS03
2
3
1
0.1
220P
(CH)
(CH)
0.01
0.22(2W)
0.22(2W)
2.7K
0601AW
2
3
AC
POWER
S
UPPLY
CORD
AC
230
V,
50
Hz
AC LINE
FILTER
FILTER
AC LINE
FILTER
FILTER
SWITCHING POWER
TRANSFORMER
POWER TRANSFORMER
47K(2W)
TP55
1.8
Posistor
LTAGE
ULATOR
ULATOR
POWER PWB-B1
+B
+B
+B
+B
+B
+B
B
-B
-B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
When Servicing, pay attention as the
area enclosed by this line (
area enclosed by this line (
) is
directly connected with AC main voltage.
PS906
R925
R927 R926
R922
R923
IC911
TP38
TP37
L911
C939
Q921
C927
D922
PC902
R924
R921
C935
C936
PC901
C918
TP49
R901
R918
TP50
D907
TP41
TP40
D923
C937
C938
TP39
14
C940
C942
D924
C943
D927
D928
TP42
C941
C929
C944
R903
R953
R905
R916
R907
R906
C919
C915
Q901
C913
C914
D904
D905
D906
IC901
C912
C911
C962
C963
R910
R912
R913
TP43
C945
C947
C946
D925
TP44
C959
R817
C801
R801
R802
C934
D926
TP45
TP46
R928
C933
D929
T901
C916
C917
D901
R909
TH901
TP51
R908
C907
TP52
C910
C905
C903
L902
C904
IC912
TP47
D921
C921
C922
T902
C902
C964
L901
R915
C901
VA901
TP54
CNP900
CNS900
LUG901
TP53
C924
TP48
C923
C925
F901
LUG902
7
8
9
10
11
12
SD-PX15H
6 – 22
Figure 6-22 SCHEMATIC DIAGRAM (9/22)
CHASIS_GND
0.22
0.01
0.01
0.01
12K
0.01
0.01
0.22
0.22
0.22
CHASSIS_GND
0.01
0.01
KTC3265 Y
0.22
0.01
KDS160
0.01
0.22
0.01
0.01
10K
1
2
3
4
5
6
7
8
9
10
11
12
0.22
0.22
0.22
0.22
0.22
0.22
47
47
47
47
47
47
0.01
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
10K
10K
10K
10K
10/16
10/16
10/16
10/16
KTC3875
GR
2.2K
100K
FR_-
FR_+
FL_+
FL_-
W_-
W_+
C_+
C_-
SL_-
SL_+
SR_-
SR_+
WOOFER+
SURR
L-
CENTER-
SURR
R-
FRONT
R+
SURR
R+
SURR
L+
FRONT
R-
D_GND
FRONT
L
+
CENTER+
+5V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
FRONT
L
-
VIDEO_MUTE
WOOFER-
SP_RELAY
RELAY_VCC
RELAY_GND
FL_P
FR_P
C_P
W_P
TP27
TP26
TP25
TP24
TP31
TP30
TP29
TP28
TP32
TP33
TP34
TP35
TP69
SPEAKER TERMINAL
TP56
TP57
TP58
TP59
TP60
TP61
TP62
TP63
TP64
TP65
TP66
TP67
TP68
TP14
TP15
TP16
TP17
TP18
TP19
TP20
TP21
TP22
TP23
CNSA104
6 - 25 7 - H
FROM 1-BIT AMP. PWB
CNP001
6 - 14 2 - D
TO DISPLAY PWB
1K
2
100(CH)
10K
0.001
KDS160
KDS16
KRA105
S
KRA105
S
KRC107
S
KRC107 S
KRC107
S
UDZ6.8B
0.1
1
2.2K
KTC3875
G
R
KDS160
CHASS
(RGB
Mode)
1
3
2
3
2
1
3
2
2
1
3
2
1
3
1
CNP603
BI602
CNS602
R645
R646
R647
R648
C643
C644
C645
C646
C622
C623
C624
RY601
C608
C610
R605
R610
C636
C638
D601
RY602
C619
C618
C616
SO603
RY603
C613
C611
C639
C641
R617
R628
C609
C612
C637
C640
R609
R618
Q605
Q603
R636
R635
R631
R637
C625
C627
C615
C617
C620
C626
LUG601
C
R604
R
C647
D607
R653
D606
Q617
Q619
C650
D605
Q616
Q618
Q620
Q621
ZD602
C651
C652
R669
VIDEO V SIGNAL
VIDEO SIGNAL
VIDEO C SIGNAL
VIDEO Y SIGNAL
VIDEO Y SIGNAL
FM SIGNAL
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
A
B
C
D
E
F
G
H
1
2
3
4
5
6
SD-PX15H
6 – 23
Figure 6-23 SCHEMATIC DIAGRAM (10/22)
150
1
3
1
2
+B
+B
+B
+B
+B
VIDEO_MUTE
TP14
TP15
CN3201
6 - 29 12 - B
TO DVD SERVO PWB
CNP409
6-2
7
1
2-C
TO
DSP
P
WB
1
14
TERMINAL PWB-B2
0.1
100K
100K
100K
100K
1K
150
0.1
10K
100K
150
100K
150
220K
150
150
150
470/10
470/10
470/10
470/10
470/10
C
G
Y
G
CNP601
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP1
1
TP12
TP13
TP53
TP54
TP36
TP37
TP38
TP70
TP39
TP41
TP42
TP40
TP71
TP44
TP49
TP43
TP50
KTA1298 Y
100
100
100
100
100
100
KTC2875
B
KTC2875 B
R
L
B
G
R
V
A.GND
FUNC
BLANK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
2.2K
100(CH)
100(CH)
150(1/2W)
100
100
1K
1K
1K
1K
2.2K
150
150
150
1K
UDZ2.7B
10K
10K
220
KDS160
KDS160
KRA105
S
KRC107 S
KRC107
S
K
KTC3875
G
R
3.3K
KDS160
CHASSIS_GND
R
OUT
RO
U
T
DVD FLASH
YO
U
T
VO
U
T
BO
U
T
BO
U
T
TXD
ASPECT
ASPECT
RXD
CO
U
T
G
OUT
DG
N
D
DG
N
D
Y
OUT
GO
U
T
VG
N
D
VG
N
D
CO
U
T
VO
U
T
TXD
RXD
L
AGND
A+12V
R
AGND
(RGB
Mode)
1
3
4
5
6
2
1
3
4
5
TP55
S-VIDEO
OUTPUT
OUTPUT
VIDEO
OUTPUT
1
3
2
3
2
1
3
2
1
FFC3201
C601
R604
R603
C605
C606
C607
CNP604
Q602
R666
ZD601
R667
R670
D607
R621
R608
R620
R619
R622
C603
R627
R607
R625
R623
R626
R624
C604
Q614
R656
R654
R655
R606
C602
BI605
CNS409
C630
C631
R662
R663
R661
R660
JK601
SO602
C621
C632
C629
C628
SO601
SCART OUTPUT
C648
C649
R652
R665
R664
R658
R659
R653
R668
D606
Q617
Q619
Q615
D605
Q620
Q621
R657
9
R640
7
8
9
10
11
12
SD-PX15H
6 – 24
Figure 6-24 SCHEMATIC DIAGRAM (11/22)
47/16
0.001
75K
75K
0.82
2.2K
6.8K
6.8K
0.001
6.8K
6.8K
6.8K
6.8K
150
680
150
150
680
680
150
680
820
820
2.2K
0.047
0.047
KDS226
0.01
SWITCHING
AUDIO
POWER
AMP.
47/35
0.1
0.1
47/35
MA111
MA111
100
0.1
1K
1K
1K
8.2K
120K
20K
120K
10/16
100
0.001
47/16
0.001
0.001
100/50
100/50
100
0.001
STA505
0.1
100
0.001
0.1
100
IX0498AW
100
0.1
0.001
10/16
10/16
4.7K(CH)
120K
120K
20K
120K
8.2K
20K
8.2K
120K
4.7K(B)
820
2.2K
100K
0.1
0.001
0.1
0.1
18P(CH)
18P(CH)
100
7P(CH)
100
0.82
0.047
0.047
22
K
820
6.8K
6.8K
6.8K
2.2K
820
0.1
0.1
0.1
3.3K
10/10
47/16
10/10
10/10
3.3K
100P(CH)
3.3K
0.1
0.001
56P(CH)
100P(CH)
0.1
0.047
0.047
2.2K
820
6.8K
6.8K
4.7K
10K
0.82
0.1
9
10
11
12
13 14 15
16
17
18
19
20
21
22 23 24
8
7 6 5 4
2
3
1
9
10
11
12
13 14 15
16
17
18
8
7 6 5
5 6
7
31
32
33
34
35
36
1
2 3 4
10 11 12
13 14
15 16 17 18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
4
5 6
7 8 9
1
2 3
A+5V
A+5V
DGND-AD
DGND-AD
+B_AMP
D+5V
PWR_DW
ADND_AD
TH_WAR
PWR_DW
FAULT
TRI-STATE
TRI-STATE
FAULT
TH_WAR
RESET
DGND-AD
75K
75K
75K
75K
RESET
RESET
PWR_DW
TRI-STATE
FAULT
TH_WAR
11.2896
M
Hz
MCK
GNDX
XO
XI
VDDX
VDDR
OUTR(+)
OUTR(-)
OUTL(-)
OUTL(+)
GNDD
VDDL
VDA
RESET
L-CH
IN
R-CH
IN
R-CH
Vref
L-CH
Vref
GNDA
NFR2(-)
NFL1(+)
NFL2(-)
NFR1(+)
TEST
GND-SUB
OUT2B
OUT2B
Vcc2B
GND2B
GND2A
Vcc2A
OUT2A
OUT2A
OUT1B
OUT1B
Vcc1B
Vcc1A
GND1B
GND1A
OUT1A
OUT1A
NC
VccSign
VccSign
Vss
Vss
GND-Clean
GND-Reg
VDD
VDD
IBIAS
CONFIG
IN2B
IN2A
IN1A
IN1B
PWRDW
TRI-STATE
FAULT
TH_WAR
IN2A
IN2B
Vss
Vss
VccSign
VccSign
Vcc2A
GND2A
GND2B
Vcc2B
OUT2B
OUT2B
GND-SUB
TEST
NFR1(+)
NFR2(-)
GNDA
R-CH
V
ref
R-CH
IN
OUTR(-)
OUTR(+)
VDDR
VDDX
XI
XO
GNDX
MCK
FRONT
FRONT
SUBWOOFER IN
GND_AMP
GND_AMP
+B_AMP
+B_AMP
R-CH_IN
AGND
L-CH_IN
D+5V
DGND_AD
AGND_AD
A+5V
FRONT
L-CH_+
FRONT
L-CH_-
FRONT
R-CH_-
FRONT
R-CH_+
SUBWOOFER+
SUBWOOFER-
3
1
2
1
1
1
0.001
0.001
4
4
3
3
2
2
1
1
5
4
3
2
1
1
3
4
5
8
7
6
5
6
7
8
9
9
10
5
6
7
3
5
6
1
4
5
4
1
2
6
5
4
1
4
3
2
1
1K
7TH ORDER
∆Σ
MODULATION
CONVERSION LSI
R-CH OUT
OFFSET
ADJUSTM
OFFSET
ADJUSTM
R-CH OUTPUT
OFFSET
ADJUSTMENT
OFFSET
ADJUSTMENT
L-CH OUTPUT
OFFSET
ADJUSTMENT
OFFSET
ADJUSTMENT
SWITCHING
AUDIO
POWER
AMP.
CNP902
6 - 20 1 - B
TO POWER PWB
CNP903
6 - 20 1 - C
TO POWER PWB
CNP014
6 - 19 12 - A
TO DISPLAY PWB
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
LFA402
LFA401
CA401
CA402
CA415
LFA403
CA406
LA104
CA118
RA130
RA132
RA122
CA160
RA120
RA174
CA108
CA110
RA176
RA136
RA134
RA126
RA128
RA138
RA140
RA137
RA139
RA133
RA135
RA131
RA175
RA129
RA121
CA109
CA107
RA173
RA119
RA127
RA125
ICA102
DA165
CA176
CA175
CA174
RA178
CA173
CA172
CA170
CA169
RA163
DA164
RA162
RA117
RA116
RA115
RA118
RA177
CA166
CA168
CA167
CA164
CA165
RA214
RA212
RA111
RA113
CA263
CA279
RA172
CA180
CA162
CA161
CA101
RA109
RA105
R
A107
RA101
VRA101
RA103
CA103
CA105
CA106
CA104
CA179
CA163
ICA101
RA401
RA402
BIA101
CNSA101
CA407
RA102
RA104
CA102
VRA102
RA106
RA110
RA108
RA403
RA202
RA204
RA208
RA206
VRA202
RA210
CA202
CA204
CXA201
CA268
CA267
CA211
CA212
RA261
CA213
CA266
RA218
RA216
CA275
CA276
CA274
CA210
CA208
CA260
RA276
RA222
RA2
RA220
RA228
RA226
RA232
RA230
CA216
LA204
CA218
CA220
LFA202
BIA104B
CA120
CA116
LA102
DA162
LA103
CA177
LA101
CA117
CA115
CA119
LFA101
LFA102
BIA102
CNSA102
BIA103
CNSA103
RA112
RA114
3
4
1
2
5
6
11
12
6
12
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
A
B
C
D
E
F
G
H
1
2
3
4
5
6
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