Sharp 28JS-74SS, Руководство по обслуживанию

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34
28JS-74S
Schematic Diagram of Mother Board Unit (F7351N1A)
1
I
H
G
F
E
D
C
B
A
2
3
4 5 6 7
Page 35
Page 36
-16V
12
-13V
+16V
11
+
13V
+12V
+5
V
+3.3Vb
+5.5V
16
+150V
+3.3VSTBY
+16V
13
+5
V
PRDAR5531BMFW
+5V
8
10
+
5
VST
B
Y
M1000
+
5
VST
BY
+5VSTBY
+1.8V
-13V
+1
3
V
-13V -13V
+1
3
V
-13V
-13V
30
PRDAR5531BMFW
373
8
36
+12V
LED
LEDOPC
VERT+ VPROT
IR
VERT-
. .
. .
.
.
.
.
.
.
.
.
.
.
. .
.
.
.
.
.
.
.
.
D712 BYV28-600 DX0618BM
R701 22K
R544 1K
D752 BR100/03 SX0004BM
C798 220pF (2KV)
KZ0035CE
D711 DX0045
R536 4K7
R512 4K7 (1%)
C703 10nF 250V
KZ0029CE
C730 270pF (500V)
IC709 TLP165J FX0111
R708 390K (TQ)
R785 100K
L701
F0108BM
(G)
P
L
G
N
0207
C705 4n7 (630V) FZ0205BM
IC
708
LM
317T
IX
1878
1
2
3
R1025
1K (1%)
R513 100K
D701 GPP20J DX0641BM
R709 330K (1%) (TQ)
R711 10
R703 2K7
R713 10K
R755 100 (1/2W) XZ0224BM
R722 10K
C712 1uF (160V)
R515
1K2
D798
BYV27/100 DX0621
D718 DX0045
R748 220K
C526 1000uF (25V)
R721 120 (1/2W)
R548 6K8
L702
3.3uH (CF)
D720 SF26
DX0643BM
C706 680nF (400V)
C702 10nF (250V) KZ0029CE
Q703 2SK2543 TX0245BM
C717 10nF (FZ)
R731 4K7
1%
F702 J4021CE
VR701
VX0035BM
IC
706
L4931
C
V
3
3
IX
184
6
2
3
1
R796 1 (1/2W) XZ0200
+VS
-VS
IC
701
BA1039
3
IX
155
6
8
7
6
5 4
3
2
1
D727 BYV27/100 DX0621BM
C524 68nF (FZ)
R712 390K (TQ)
C710 22nF
FB701 LN0091GE
C525 47nF
R728 120
R549 27K
R753 2K2
R706 390K (TQ)
R789 100K
R799 1 (1/2W) XZ0200BM
R545 100K
R534 27K
D731 DX0551
R786 1K8
R514 1K2
C741 470nF (16V)
D729 1N4937 DX0579
Q706 BC557C TX0230
14 8 12 11 10 13 9
R783 220K
IC70
4
L
M
4
9
31C
V33
IX
184
6
2
2
1
1
3
3
R727 22K
C701 470nF (275V)
FZ0219BM
C704 10nF 250V KZ0029CE
D717 DX0045
POR701 P0001BM
Q707 BT134W SX0003BM
R537 4K7
R719 470K (1W)
D719 BYV27/100 DX0621
D732 DX0551
R788 22K
R784 18K
T702
Z0586BM
3 1 4 6
FB703 LN0091GE
R729 22K
D721 SF26 DX0643BM
R781 100
R705 8K2
C510 330nF (16V)
R535 6K8
R759 (2W) 22
D715 DX0551
D735 C24 EX0561BM
R726 5K6 (1%)
+VS
-VS
IC5
0
3
BA455
8
8 7 6 5
4 3 2 1
+VS
-VS IC
502
BA455
8
8 7 6 5
4 3 2 1
T701
NZ0591 5 2 6 4 1 7
C738 180nF (FZ)
D702 GPP20J
DX0641BM
D703 GPP20J DX0641BM
D704 GPP20J DX0641BM
Q712 BC857B TX0243
Q704 BC857B TX0243
Q724 BC847B TX0232 Q723 BC847B TX0232
Q720 BC847B TX0232
Q702 2SK2543 TX0245BM
Q701 2SK2543 TX0245BM
C725 4n7 (630V) FZ0205BM
R751 100K
R710 330K (1%) (TQ)
R1015 100
D1001 PX0105
1 2
3
R1013 100
R774 120K (1/2W)
S70
1
P0600
B
M
(M
)
GN
0360
R770 120K (1/2W)
F701 FS-C3226
LP701
RLAMP001
R752 10K
Q705 BC847B TX0232
D707
DX0551
D708 C24 EX0561BM D725 C24 EX0561BM
R779 100
C713 (450V) 68uF
EZA036WJ
R714 0.56 (3W)
D733
D741 C4V3 EX0543BM
C753 330nF (275V)
FZ0192BM
R778 100 (1/2W)
R730 4K7 (15W)
R758 82R XZ0123BM (1/3W)
C746 330nF (275V) FZ0188BM
R773 1K
C754 100nF
C756 100nF
R772
JF902
R756 1K8
D903
.
EX0421BM
Q901 TX0232
R902 33K
R901 100K
R903 1K
D901 DX0551
C903 47uF (25V)
D902 . EX0554
R905 22K
C902 22uF (50V)
R906 2M2
C716 470nF CF
R1037 1K
D1002 PX0105
1 2
3
R1036 4K7 (RA)
R907 100K
C796 100pF 2KV KZ0031
C707 100uF (25V)
R715 18K (1%)
R716 390K (TQ)
C723 470pF
D730 B6V2
EX0584BM
R749 470K (1W)
R725 3K3
C721 10nF (FZ)
2
CUA005JZZ
1
3
R1019 27K
R1024 1K
C720 10uF (25V)
R707 1M
R790 270 (1/2W)
D745 SF26 DX0643BM
C740 220pF
C708 100nF (25V)
C522 100nF (25V)
D753 SF26 DX0643BM
C511 2.2uF
C731 100nF (25V)
C743 100nF (25V)
R509 39K
IC
501
T
D
A7480L
IX
1
78
6
20 19 18 17 16 15 14 13 12 11
C748 220uF (25V)
R750 22K
C755 1nF
R754 10K
R782 47K
Q1003 BC847B TX0232
C718 470pF
Q721 BC857B TX0243
R904 27K
Q902 TX0232
D716 B6V2 EX0584BM
Q1002 BC847B TX0232
D714 C6V8
EX0548BM
C733
R797 1R5 (1/2W) XZ0202
R1017 15K
C737 1000uF (25V)
R1026 560 (1%)
C1022 10uF (50V)
R1099 100
C727 2200uF (25V)
C752 10uF (16V )
C726 2200uF (25V) C742 22uF
D1017 B5V1 EX0480BM (2%)
C728 100uF (200V) EZA035WJ
C732 1000uF (25V)
R1014
100
R526 12K
C535 1000uF (35V)
C506 100nF (25V)
C714 680
D734 C24 EX0561BM
C905 470nF
C904 1uF
TP701
D722 DX0605BM MBR340RL
D740