Read Sharp LC-24LE240EK Service Manual online
68
LC-24LE240
Audio AMP & HP
AMP Diagram
60R
F281
F297
60R
12V_VCC
R1684
10k
1
2
VDD_AUDIO
F285
60R
VDD_AUDIO_PWR
5V_VCC
3k9 R1711
12
R1712 15k
12
C1123
1uF
50V
12V_VCC
VDD_AUDIO
S87
1
2
R1718 100k
12
220nF
C1045
25V
5V_VCC
1N4148
D191
1
2
Q186
BC848B
1
2
3
50V
C945
1nF
C944
1nF 50V
F298
60R
F299
60R
C943
1nF 50V
C942
50V
1nF
R_AUDIO_P_OUT
R_AUDIO_P
L_AUDIO_N
L_AUDIO_P
R_AUDIO_N
1uF
25V
C1073
R1687
10k
10k
R1696
S85
6V3
C1077
1uF
1uF
C1075
6V3
HP_L
R1854 10k
12
MAIN_R
L_AUDIO_P_OUT
L_AUDIO_N_OUT
R_AUDIO_N_OUT
R_AUDIO_P_OUT
U168
TPA3110D2
15
16
17
18
19
20
21
22
23
24
25
26
27
28
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SD
FAULT
LINP
LINN
GAIN0
GAIN1
AVCC
AGND
GVDD
PLIMIT
RINN
RINP
NC
PBTL
PVCCL2
PVCCL1
BSPL
OUTPL
PGND1
OUTNL
BSNL
BSNR
OUTNR
PGND2
OUTPR
BSPR
PVCCR1
PVCCR2
R1702
10k
1
2
VDD_AUDIO
R1716
10k
R1714
100k
R1715
100k
VDD_AUDIO
VDD_AUDIO
CN710
1
2
3
4
5
6
HP_MUTE
1uF
6V3
C1076
10V
C615
220uF
TP51
1
TP52
1
C870
10V
220uF
TP230
1
TP229
1
27-10-2011_09:04
AUDIO_AMP&HP_AMP
8
<YOUR NAME HERE>
17mb62-2v3
8
7
6
5
4
3
2
1
A
B
C
D
E
F
AX M
1
2
3
4
5
6
7
8
A
B
C
D
E
F
A3
PROJECT NAME :
VESTEL
SCH NAME :
DRAWN BY :
DRAWN BY :
T. SHT:
F294
60R
R1701 100k
R1704
680R
C1226
25V
1uF
C1227
25V
1uF
1uF 25V
C1228
Q192
2N7002
SK24
D192
1k
R1941
10uF
C1032
16V
HP_R
D203
C5V6
Q210
2N7002
1uF
25V
C1074
6V3
C1078
1uF
AMP_EN
C1172
16V
10nF
F296
60R
R623
4k7
VDD_AUDIO
R1855 10k
12
R817 100R
BC848B
Q133
1
2
3
100R
R818
VDD_AUDIO
10V
220nF
C602
L_AUDIO_P_OUT
L_AUDIO_N_OUT
MAIN_L
4k7
R624
C665
100nF
10V
1
2
10V 220nF
C608
AMP_EN
VDD_AUDIO
3V3_VCC
10k
R1309
10k
R616
3V3_STBY
L_AUDIO_N
L_AUDIO_P
R_AUDIO_N
PT2333
U164
C3
C2
C1
B3
B2
B1
A3
A2
A1
INP
GNDA
OUTN
VDDA
VDD1
GNDB
INN
SDB
OUTP
MAIN_R
AMP_EN
VDD_AUDIO
R614 4k7
R_AUDIO_N_OUT
C1229
25V
1uF
10V
220nF
C612
C666
100nF
10V
1
2
4k7
R613
BC848B
Q160
U163
PT2333
C3
C2
C1
B3
B2
B1
A3
A2
A1
INP
GNDA
OUTN
VDDA
VDD1
GNDB
INN
SDB
OUTP
R_AUDIO_P
16V
10nF
C729
JK6
7
6
5
4
3
2
1
3V3_VCC
4k7
R1149
1
HP_DETECT
220nF
C617
10V
60R
F283
BC858B
Q195
1
2
3
47k
R1699
100nF
C1058
16V
AMP_MUTE
BC848B
Q185
1
2
3
S86
1
2
VDD_AUDIO
C1121
10uF 16V
R1717
100k
10uF
C1122
16V
680R
R1960
VDD_AUDIO
C1043220nF
25V
25V
220nF
C1044
25V
C1046
220nF
F282
60R
AMP_EN
R1741
100R
1
2
3
4
5
6
7
8
R4
R1
R3
R2
MAIN_L
10uH
L125
L126
10uH
10uH
L127
L124
10uH
CONNECT TO DSP_M_L GND
ANALOG VCC
POP NOISE CIRCUIT
CONNECT TO DSP_M_R GND
AUDIO AMP for 26" to 32"
AUDIO AMP for 16" to 24"
SLIM HEADPHONE OUTPUT
NC
NC
NC
NC
Ü.A. DEGISTIRILECEK
30001734 KULLANILDI
NC
30049510 KULLANILDI
3V6 lik zener kullanilmali
30022132 KULLANILDI
30050557 KULLANILDI
30050557 KULLANILDI
30050557 KULLANILDI
30050557 KULLANILDI
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
I
H
G
F
E
D
C
B
A
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