Sharp LC-40LE530E - Page 77

77
LC-32LE530
LC-40LE530
Audio Amplifi er Diagram (11/17)
24-05-2011_15:14
MB61 HW TEAM
17AUDIO AMP
17mb61-3
87654321
A
B
C
D
E
F
AX M
12345678
A
B
C
D
E
F
A3
PROJECT NAME :
VESTEL
SCH NAME :
DRAWN BY :
TOTAL SHEET:
PANEL_VCC
S32
21
CN23
6
5
4
3
2
1
21
S65
12V_VCC
S158
10k
R73
21
12V_VCC
BC858B
Q45
3
2
1
R1217
10k
5V_VCC
1N4148
D7
AMP_MUTE
HPL_MUTE
3V3_VCC
100R
R840
3V3_VCC
5V_VCC
10k
R61
21
R62
10k
21
BC848B
Q39
3
2
1
24V_VCC
R279
10k
21
R59
10k
21
BAW56
D30
3
21
R57 10k
21
10k
R58
21
BC848B
Q8
3
2
1
Q51
BC858B
3
2
1
10k
R55
21
3V3_STBY
33k
R283
21
D32
BAW56
3
21
R56
10k
21
BAW56
D31
3
21
10V
100n
C167
2
1
PROTECT
TP45
1
35V
100u
C1118
C263 10u 16V
S164
C1117
100u
35V
50V
330p
C574
C573
330p
50V
10u
L17
L16
10u
10u
L15
Q32
BC848B
3
2
1
S49
21
VDD_AUDIO
S60
S51
16V 10u C262
AMP_EN
U24
MAX9736B
8 7 6 5 4 3 2 1
16
15
14
13
12
11
10
9
17 18 19 20 21 22 23 24
25
26
27
28
29
30
31
32
OUTL+2
OUTL+1
PVDD2
PGND2
PGND1
PVDD1
OUTR+2
OUTR+1
OUTR-2 OUTR-1 C1P C1N MOD FBR INR NC3
MUTE
SHDN
REGEN
COM
AGND1
AGND2
REG
VS
OUTL-2 OUTL-1
BOOT MONO
FBL INL NC1 NC2
R673
10k
R669
10k
R672
10k
AMP_EN
5V_VCC
R84
10k
L_OUT_P
R_OUT_P
R_OUT_N
R275
33k
MAIN_R
MAIN_L
5V_VCC
5V_VCC
VDD_AUDIO
5V_VCC
S165
C238 1u 16V
C242
1u
16V
C237 1u 16V
C445
470n
25V
R302
20k
20k
R301
20k
R300
20k
R299
C446
100n
50V
C448
100n
50V
VDD_AUDIO
L_OUT_N
C447
100n
50V
10k
R670
C117
330p
50V
C115
330p
50V
C114
330p
50V
C113
330p
50V
Q28
BC848B
3
2
1
5V_VCC
HPR_MUTE
BC848B
Q33
3
2
1
33k
R286
SK24
D42
24V_VCC
VDD_AUDIO
25V
470n
C444
C22
100n
16V
R630 100k
21
S138
21
10k
R83
21
12V_VCC
16V
100u
C451
21
R113
10k
21
D38
1N4148
21
R82
10k
21
BC848B
Q35
3
2
1
100k
R618
21
R287
33k
R_OUT_P
CN22
4
3
2
1
R_OUT_N
L_OUT_P
L_OUT_N
L14
10u
L_OUT_N
L_OUT_P
R_OUT_N
R_OUT_P
18V_VCC
S172
C179
100n
10V
2
1
R145
10k
21
5V_VCC10k
R148
21
R147
10k
21
hp_mut.sup.
hp_mut.sup.
PRT_SUP
6k8
R853
R280
10k
21
3V3_VCC
BAW56
D58
3
21
8V_VCC10k
R376
21
R846
33k
21
33k
R845
21
R408
10k
21
18V_VCC
D59
BAW56
3
21
5V_TUN
3V3_IF
R349
10k
21
BAW56
D56
3
21
3V3_VCC
R844
100R
R837
47k
47k
R834
100R
R841
6k8
R854
2V8_MSB
VDD25
1V2_VCC_DEMOD
47k
R838
100R
R842
PRT_SUP
47k
R835
1V2_VCC
R836
47k
R843
100R
BC858B
Q6
3
2
1
D57
BAW56
3
21
R1235
10k
21
C1153
1u
50V
R1264
15k
TP166
1
TP167
1
TP168
1
TP169
1
hp_mut.sup.
SHORT CCT PROTECTION
9:low:mute
10:low:shtdwn
NC
NC
20:high:spread spectrum on
NC