Hisense LTD42W29NUS Service Manual page 45

1
A
L801 121
+12V
1 2
+14V 121/NS L802
VPA
1 2
1 2
L810
121/NS
1 2
CE806 C816
L811 +
121/NS
470uF/50v 0.1uF
B
CPU_MUTE: HIGH FOR MUTE
P_MUTE: LOW FOR MUTE
MUTE_3100: HIGH FOR MUTE
SHUTDOWN: LOW FOR MUTE
1 R803 2 1 R840 2
AR1_3100
10K 0
R804 R841
1 2 1 2
AL1_3100
10K 0
C
R806 R805
10K 10K
TPA310X_R
1 R801 2 1 Q801 1 R802
A_MUTE A_MUTE
2N3904
1K 1K
D
1
2
+12V
R836
10K
R834
VREG
10K_NC
R824
2
D807
+12V
R833
1K
1N4148
D802
R832
1
+5V
10K_NC
470uF/25V
CE802
D805
1N4148
R835
10K
VPA L804
1 2
121
CB807
+
220uF/50V
C809 1uF/25v
CB802
1
CB801 1
TPA310X_R
10uF
2
TPA310X_L
CB804
2
1uF
R808
R813
R812 100k
R811
100k
R807
100k
100k
100k
TPA310X_L
2 1 Q802
2N3904
VREG
2
3
10K
R825 220uF/25V/NC
CE804 Q811 2N3906
R830
1 2 2 3
A_MUTE
+
D808
4K7
R823
1N4148/NC
100k
SHUTDOWN
10K
1
D806
CE803
+
1N4148/NC 1N4148
4.7uF/25V
HPDET#
Q810 D804
R821
2N3906
2 2 3
1 2
OFF_MUTE
+
10K_NC
1N4148
R822
22K_NC
0R
A_MUTE
R826 R838
0/NS
D803 1N4148
R828 1K 1 2
OPCTRL3
R839
CB805
0/NC
0.1uF
VPA
R827
100k
R814
SHUTDOWN
0R_NS
R815
100k
MUTE_3100
R817
C814 C815
0R
220nF 220nF
U801
1
GND GND
2 2
RINN PVCCR
1uF
2 3
RINP PVCCR
4
AGND PGNDR
CB806 1
5
LINP PGNDR
10uF
TPA310X
1 6
LINN VCLAMPR
7
GAIN0 VCLAMPL
8
GAIN0 PGNDL
9
GAIN1 PGNDL
10
MSTR/SLV# PVCCL
11
SYNC PVCCL
12
GND GND
TPA3100D2
R837 C811 C805
220nF
100k 220nF
CB803
1uF
100pF
C803
3
4 5
VPA
R818 R816
22k 22k
1N4148
R829
D801
10K
1 2
MUTE_3100 MUTE_3100 MUTE_3100 MUTE_3100
Q803
1
2N3904_NC 1 Q804
2N3904
C802
C810
R831
C801
0.1uF
0.1uF_NS
47K_NS
R819
0.1uF_NS
10K_NC
MTUE CIRCUIT
L805
1 2
33uH C812
0.1uF C808
L807
470nF
1 2
33uH C813
0.1uF
36 VPA
L809
35 1 2
121
34 CB808 + CE801
33 1uF/25v 220uF/50V
32
31 CB809 1 1uF 2
CB811 1uF
30 1 2
29
28
121 L803 VPA
27 1 2
+
CB810
CE805
26
220uF/50V
1uF/25v
25
L806
1 2
33uH
C806
0.1uF
C807
C804
0.1uF 470nF
L808
1 2
33uH
4 5
6
GND
GND
+5V
+5V
+14V
+14V
+12V
+12V
AL1_3100
AL1_3100
AR1_3100
AR1_3100
HPDET#
HPDET#
MUTE_3100
MUTE_3100
A_MUTE
A_MUTE
OPCTRL3
OPCTRL3
OFF_MUTE
OFF_MUTE
4x1 W/HOUSING
4
R+
3
R-
2
L-
1
L+
J801
Hisense Electric Co.,LTD
HISENSE SHENZHEN R&D
Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China
Tel:86-755-26532018
Fax:86-755-26532013
Title
AMP/MUTE
Size Document Number
A
Date: Sheet 8 of 16
6
A
B
C
D
Rev
1.1