Read Sharp SD-PX15H (serv.man17) Service Manual online
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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