DOWNLOAD Sharp 28KF-84H (serv.man7) Service Manual ↓ Size: 2.48 MB | Pages: 8 in PDF or view online for FREE

Model
28KF-84H (serv.man7)
Pages
8
Size
2.48 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / CTR / Printed wiring boards
File
28kf-84h-sm7.pdf
Date

Sharp 28KF-84H (serv.man7) Service Manual ▷ View online

18
28KF-84H
F7269N4 CRT Unit PWB
Component side
R5418
RED
C1614
J16
+
C1612
JF8
R5431
R5433
C5427
R5434
R5432
R5435
R5427
C888
JF3
R5438
C
Q855
E
R855
E
Q853
C
E
Q852
C
R857
C854
JF6
+
C887
JF4
R1623
E
Q1603
C
J5
+
C1608
R1620
R876
R1619
D871
J15
SG862
R5420
C5410
D5410
R5425
C
Q5406
E
C5420
C5424
R5446
R889
D861
R887
J24
L863
D5409
C
Q5405
E
C5407
C890
D5408
E
Q5411
C
C
Q5412
E
C
Q5410
E
C5421
D5404
J19
+
C868
SG865
J23
+
C894
JF1
D870
J21
R891
SG861
C869
R893
R854
IC1601
1
R1621
+
C1609
R1622
(MO)
C1613
+
E
Q1604
C
D867
D866
D865
C5414
+
D851
E
Q851
B
J17
C
Q859
E
J18
FB852
R897
J14
SG860
D862
C
Q856
E
R873
R870
R867
R869
R864
C889
C859
J4
Q5408
B
E
SG863
C857
C856
C852
C885
C
Q854
E
E
B
Q5407
C862
R868
J6
R895
C874
9
1
IC851
R875
R883
FB851
R5415
C5417
8
1
J3
J12
FB850
J7
C861
R860
R858
IC850
1
9
C881
R850
J9
R863
J8
J1
C871
R872
C880
R880
R888
R852
R853
R859
IC852
1
9
C877
R856
D852
J13
R861
C882
C883
R851
C853
+
(G2)
L2
L3
ESPA¥A
F7269BMN4
K7269BM
C884
SC861
5
6
7
8
9
10
11
12
4
R1801
(B)
1
.
+
C863
D868
D869
+
C851
C855
R5439
C892
D864
R865
R862
R5440
C893
R5443
R5445
C5408
C5409
R5419
D5403
C5411
R5442
R5424
R5417
C5422
R5444
3
1
(K)
(H)
(SVM)
B
Q5414
E
R5436
+
C850
+
C5419
J25
D5411
+
C5418
R5437
J11
L864
R871
C1611
R1615
R1616
R1618
C1610
D1607
R1617
R1624
J20
R894
R892
D863
+
C5425
R5448
R5449
C5426
+
R884
(Q)
1
B
Q5415
E
(RT)
L1603
1
R5447
C5405
JF2
R886
R866
C865
R881
J10
R882
R874
C
Q860
E
R885
E
Q861
C
JF7
JF5
C
Q857
E
E
Q858
C
C891
R
G
B
R5441
BLUE
GREEN
+
C895
R5416
R5421
11
12
13
1
2
3
4
5
6
7
8
9
10
Y
X
0
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
19
28KF-84H
F7269N4 CRT Unit PWB
Copper side
R5418
G
R
B
C1614
J16
+
JF8
R5431
R5433
C5427
R5434
R5432
R5435
R5427
C888
JF3
R5438
Q855
C
E
R855
E
C
Q853
E
C
Q852
R857
C854
JF6
+ C887
JF4
R1623
E
C
Q1603
J5
+
C1608
R1620
R876
R1619
D871
J15
SG862
R5420
C5410
D5410
R5425
Q5406
C
E
C5420
C5424
R5446
R889
D861
R887
J24
L863
D5409
Q5405
C
E
C5407
C890
D5408
E
C
Q5411
Q5412
C
E
Q5410
C
E
C5421
D5404
J19
+
C868
R5441
SG865
J23
+
C894
JF1
D870
J21
R891
SG861
C869
R893
R854
IC1601
1
4
8
R1621
+
C1609
R1622
(MO)
C1613
+
E
C
Q1604
D867
D866
D865
C5414
D851
Q851
E
B
J17
Q859
C
E
J18
FB852
R897
J14
SG860
D862
Q856
C
E
R873
R870
R867
R869
R864
C889
C859
J4
Q5408
B
E
SG863
C857
C856
C852
C885
Q854
C
E
E
B
Q5407
C862
R868
J6
R895
C874
IC851
1
9
R875
R883
FB851
R5415
C5417
8
1
J3
J12
FB850
J7
C861
R860
R858
9
1
IC850
C881
R850
J9
R863
J8
J1
C871
R872
C880
R880
R888
R852
R853
R859
9
1
IC852
C877
R856
D852
J13
R861
C882
C883
R851
C853
+
C884
4
5
6
7
8
9
10
11
12
SC861
R1801
(B)
F7269BMN4
(RT)
.
+
C863
D868
D869
+C851
C855
R5439
C892
D864
R865
R862
R5440
C893
R5443
R5445
C5408
C5409
R5419
D5403
C5411
R5442
R5424
R5417
C5422
R5444
3
1
(SVM)
(H)
(K)
B
E
Q5414
R5436
+
C850
+
C5419
J25
D5411
+
C5418
R5437
J11
L864
R871
C1611
R1615
R1616
R1618
C1610
D1607
R1617
R1624
J20
R894
R892
D863
+
C5425
R5448
R5449
C5426
+
R884
(Q)
1
B
E
Q5415
L1603
R5447
C5405
JF2
R886
R866
C865
R881
J10
R882
R874
Q860
C
E
R885
E
C
Q861
JF7
JF5
Q857
C
E
E
C
Q858
C891
+
C895
R5416
R5421
Y
11
12
13
1
2
3
4
5
6
7
8
9
10
X
0
10
9
8
7
6
5
4
3
2
1
17
16
15
14
13
12
11
20
28KF-84H
+
J4
J95
C6058
R6041
C6061
Q6008
R6069
JF6009
C6012
C6011
R6049
JF6010
C6069
+
JF6004
FB6049
FB6050
C6044
C6047
C6052
+
J20
C6046
C6048
FB6028
J16
J14
+ C6041
J3
C6122
J93
R6006
J94
C6003
R6058
J2
R6060
R6059
C6067
C6066
C6023
J25
R6053
C6139
C6140
J107
J106
C6024
+
K
D6011
R6042
R6054
R6055
J96
C6068
R6056
J36
J80
K
D6015
J103
J86
J100
C6114
J49
C6027
C6026
C6028
C6029
J40
FB6027
C6126
FB6032
FB6033
C6127
C6049
C6050
J26
C6034
R6052
C6038
FB6018
FB6016
FB6017
C6115
FB6007
J64
F7353BMN3
R6040
J77
Q6003
K
D6014
R6017
Q6004
R6019
FB6046
FB6047
C6136
C6137
FB6040
FB6041
FB6042
FB6043
J12
C6036
R6031
R6033
R6034
R6032
C6128
C6129
C6130
C6131
C6132
FB6034
J79
C6119
FB6021
C6117
FB6019
J48
C6118
FB6020
FB6031
C6125
FB6030
C6124
C6123
FB6029
C6051
FB6035
C6056
C6102
FB6004
C6103
FB6005
C6104
FB6006
C6116
FB6014
C6112
FB6013
C6111
C6110
FB6012
C6109
FB6011
C6108
FB6010
FB6009
C6107
FB6008
C6106
C6064
K
D6001
R6020
R6021
R6039
R6038
J32
J33
J34
J21
J19
C6001
(VI)
C6053
J10
J11
L6003
R6009
K
D6002
R6008
C6006
J8
J37
JF6006
Q6001
R6012
C6045
+
C6043
J13
C6055
J92
R6035
(K)
1
(RT)
IC6002
16
17
32
(YB)
(YA)
IC6001
100
81
80
1
J59
IC6007
IC6006
R6037
R6036
C6039
C6040
C6020
C6021
C6022
FB6003
J67
J69
J17
C6042
J60
R6011
J73
Q6006
R6043
C6017
FB6001
C6018
J75
JF6005
IC6005
JF6007
R6047
JF6008
C6010
R6048
J57
R6014
J53
K
D6003
J58
J22
J42
J15
FB6002
J52
R6005
J56
J61
.
50
1
16
32
64
40
80
20
1
J7
FB6026
L6004
L6006
J54
IC6003
C6054
FB6048
C6121
FB6025
C6120
FB6024
FB6023
FB6022
J82
J83
J84
J35
J41
R6050
J63
C6101
C6030
C6065
R6016
R6051
D6012
FB6039
R6026
R6024
J24
D6004
K
Q6002
FB6045
R6029
C6031
K
D6010
R6015
R6004
J9
C6062
C6063
C6060
X6003
R6023
R6046
L6002
C6141
L6005
C6138
J101
J102
C6033
K
D6005
R6018
J74
R6007
C6004
C6005
J1
C6059
JF6013
JF6012
R6057
FB6036
FB6037
FB6038
JF6014
J104
R6061
R6063
R6064
R6062
C6035
J27
C6144
R6044
J105
Q6007
JF6002
JF6003
R6045
C6016
C6013
J91
L6008
J68
J90
J65
+
C6070
C6015
+
C6014
L6007
C6009
R6002
R6003
C6008
R6001
C6007
J85
R6068
1
3
C6146
C6145
R6066
R6065
J108
R6013
R6010
J23
C6057
FB6044
JF6015
+
C6037
X6001
C6069
+
C6052
+
J20
JL2.
J16
J14
+
C6041
J3
J93
J2
J25
C6025
+
J39
C
Q6005
E
J96
J36
J86
X6002
J40
J64
F7353BMN3
R6019
FB6046
FB6047
J48
R6020
R6021
R6039
R6038
J32
J33
J34
J21
J19
+
C6001
1
6
(VI)
J10
J11
L6003
J8
J37
+
C6043
J13
J92
(K)
1
1 2
(RT)
IC6002
(YB)
(YA)
J59
FB6003
J67
J69
J60
J73
E
Q6006
C
R6043
FB6001
J75
ESPA¥A
IC6005
1
J57
R6014
J53
J58
J42
J15
FB6002
J52
R6005
J56
J61
K7353BM
L6004
L6006
J54
.
J82
J83
J84
J35
J41
D6012
R6026
R6024
J24
FB6045
R6004
J9
X6003
R6046
L6002
L6005
L6001
JL2
J74
C6143
J1
JF6013
JF6012
JL1.
R6061
R6063
C6035
J91
L6008
J90
J65
+
C6070
+
C6014
L6007
J85
R6068
1
3
(YC)
 F7353N3 TVTextPRO Digital Module Unit PWB
Component side
 F7353N3 TVTextPRO Digital Module Unit PWB
Copper side
1
2
3
4
5
6
7
Y
X
0
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
  8
Y
X
1
2
3
4
5
6
7
0
10
9
8
7
6
5
4
3
2
1
17
16
15
14
13
12
11
8
21
28KF-84H
FB452N0B Power Switch Unit PWB
M6702
+
C6707
(YC)
R6706
1
4
(SWRC)
R6704
R6705
R6703
D6401
C6706
S6706
R6701
C6701
(CC)
(FV)
C6428
L6318
(SS)
3
1
(HD)
R6317
R6316
L6317
CN4
S6702
S6703
S6704
1
2
3
4
C6746
(A)
1
2
C6429
C6337
C6336
JF6703
R6449
JF6702
JF6701
3
2
1
(M)
F6701
C6702
C6703
C6704
LP6701
R6702
L6701
S6701
CAUTION !
HOT
COLD
B
FB452BMN0
CAUTION !
CH(UP)
CH(DOWN)
VOL(+)
VOL(-)
HOT
COLD
+
C6707
(YC)
R6706
1
(SWRC)
4
R6704
R6705
R6703
D6401
M6702
C6706
S6706
R6701
C6701
C6428
L6318
(SS)
(HD)
R6317
R6316
L6317
71
3
5
62
4
T3.15AH
ESPA¥A
S6702
S6703
S6704
12
34
C6746
1
2
(A)
C6429
C6337
C6336
JF6703
R6449
JF6702
JF6701
(M)
3
2
1
F6701
C6702
C6703
C6704
LP6701
1
3
(AA)
R6702
L6701
KB452WJ
FB452WJN0
B
THE "        " SYMBOL
CAUTION
THE ACTIVE SECTION
IS INDICATED WITH
S6701
                                                 
     Copper side
Component side
X
Y
0
9
8
7
6
5
4
3
2
1
22
23
24
25
17
18
19
20
21
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
Y
0
1
2
3
4
5
6
7
8
9
22
23
24
25
17
18
19
20
21
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
X
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Sharp 28KF-84H (serv.man7) Service Manual ▷ Download