Sharp LC-60E77UN Service Manual page 77

MAIN Unit-4
J
TO MAIN3(AMP IF)
N_STANDBY
R2719
5.6K
I
N_PROTECT
AMP_MUTE
H
TO MAIN15(POWER2)
FB2706
A206WJ
UR13V
G
F
TO MAIN3(AMP IF)
SP_LP
SP_RP
E
D
C
B
A
2 3 4
1
R2752
220K
F
VS
Q2704
KRC404E
RMZ C2717
1u
C2710
25V
470u 25V
C2711
0.1u
25V
C2712
10u
10V
PVDDREG
AVDD
KZA616WJQZ
C2704
1u 25V
KZA114WJ
INLP
C2705
1u 25V
KZA114WJ
ILM
VREF
C2713
C2706
0.1u
1u 25V
25V
KZA114WJ
INRM
C2707
1u 25V
KZA114WJ
INRP
AVSS
R2715
220K F
PLIMIT
R2717
27K
C2748
R2753
100P
68K F
R2754
C2716
22K
F
1u
25V
5 6 7 8 9
MAIN4(AMP)
L2701
22uH
PA888WJ
C2725
0.1u
C2730
25V
0.22u
C2726 25V
0.1u
25V
L2702
22uH
PA888WJ
C2724
1u
25V
GAIN1
GAIN0
R2726 R2731
IC2701
0
0
NCDRC1
YDA148QZ
NCDRC0
CKIN
CKOUT
R2741
75K
MUTEN
R2744
22
PROTN
SLEEPN
R2742
20K
C2723
1u
25V
L2703
22uH
PA888WJ
C2727
0.1u
C2731
25V
0.22u
25V
C2728
L2704
0.1u
22uH
PA888WJ 25V
10 11 12 13
10 – 5
LC-60E77UN/LC-65E77UM/LC-C6077UN/LC-C6577UM
[4/16]
MAIN UNIT 4/16
DUNTKF282WE06/07/11
(PWBXF282WJ)
FB2702
A206WJ
4 LCH(+)
FB2703
A206WJ
3 LCH(-)
FB2704
A206WJ
2 RCH(-)
FB2705
A206WJ
1 RCH(+)
C2737 C2741 SP
150P 150P
C2740
C2738
150P
150P
GND_B
14 15 16 17
P2701
NA160WJ
To EX SP
18 19