Sharp 37GT-25 Service Manual ▷ View online
9
37GT-25H
1. HOR POS
a) Receive Philips pattern signal.
b) When
a) Receive Philips pattern signal.
b) When
∧
button is pressed, picture moves to the left.
c) When
∨
button is pressed, picture moves to the right.
d) Adjust the horizontal location to obtain picture centering (Fig.1).
•GEOMETRY ADJUSTMENT PROCEDURE
2. VERT POS
a) Receive Philips pattern signal.
b) When
a) Receive Philips pattern signal.
b) When
∧
button is pressed, picture moves up.
c) When
∨
button is pressed, picture moves down.
d) Adjust the vertical location to obtain picture centering (Fig.2).
3. VERT AM
a) Receive Philips pattern signal.
b) When
a) Receive Philips pattern signal.
b) When
∧
button is pressed, vertical size of picture increases.
c) When
∨
button is pressed, vertical size of picture decreases.
d) Adjust the vertical size to obtain picture overscan (Fig.3).
Fig. 2
Fig. 1
3. VERT SLOP
Fig. 4
Fig. 3
•COLOUR ADJUSTMENT PROCEDURES
2. «B-GAIN», «G-GAIN», «R-GAIN»
a) Adjust G2.
b) Tune a white pattern
c) Adjust colour to minimum.
d) Position colourmeter in the center of screen.
e) Using brightness and contrast buttons, select a luminance of
a) Adjust G2.
b) Tune a white pattern
c) Adjust colour to minimum.
d) Position colourmeter in the center of screen.
e) Using brightness and contrast buttons, select a luminance of
≈120 nits.
f) Operate again in Service Mode and select location R-GAIN and B-GAIN
to obtain colour coordinates:
to obtain colour coordinates:
X = 0.290
± 0.015
Y = 0.284
± 0.015
g) Exit Service Mode and check colour coordinates «X» and «Y» at 20 and 120 nits. It may be
necessary to repeat the same procedure or re-adjust the cuts as show the be below one.
necessary to repeat the same procedure or re-adjust the cuts as show the be below one.
NOTE: Locations «R» alter «X» coordinates; «G» alter «Y» coordinates; «B» alter «X» and «Y» coordinates.
1. Y-DLY
a) Receive Philips pattern signal.
b) When
a) Receive Philips pattern signal.
b) When
∧
button is pressed, luma phase delays.
c) When
∨
button is pressed, chroma phase delays.
d) Adjust the chroma-luma delay.
a) Receive Philips pattern signal.
b) When
∧
button is pressed, upper picture scanning decreases and
lower picture scanning increases.
c) When
∨
button is pressed, upper picture scanning increases and
lower picture scanning decreases.
d) Adjust the vertical symmetry to obtain symmetrical scanning between
upper and lower picture (Fig.4).
10
37GT-25H
SOLID STATE DEVICE BASE DIAGRAM
RH-IX1812BMZZ
A
K
C
E
1
4
5
8
1
26
27
52
S
D
G
6
4
1
3
B
C
E
E
C
B
K
A
C
B
E
B
E
C
52
51
33
32
20
19
64
1
RH-IX1630BMN2
RH-TX0185BMZZ
RH-TX0113BMZZ
VS2SA1037KQ-1
VS2SC2412KQ-1
(SMD COMPONENT)
VS2SA1037KQ-1
VS2SC2412KQ-1
(SMD COMPONENT)
RH-TX0132BMZZ
RH-TX0142BMZZ
RH-TX0216BMZZ
RH-TX0217BMZZ
RH-TX0218BMZZ
RH-TX0216BMZZ
RH-TX0217BMZZ
RH-TX0218BMZZ
RH-TX0108BMZZ
RH-TX0112BMZZ
RH-TX0131BMZZ
RH-TX0181BMZZ
RH-TX0180BMZZ
RH-TX0112BMZZ
RH-TX0131BMZZ
RH-TX0181BMZZ
RH-TX0180BMZZ
VHIPC123ZY-1
RH-IX0037CEZZ
VSIMT1A/A//-1*
A
K
C
E
1
4
5
8
1
26
27
52
S
D
G
6
4
1
3
B
C
E
E
C
B
K
A
C
B
E
B
E
C
52
51
33
32
20
19
64
1
RH-IX1818BMZZ
A
K
C
E
1
4
5
8
1
26
27
52
S
D
G
6
4
1
3
B
C
E
E
C
B
K
A
C
B
E
B
E
C
52
51
33
32
20
19
64
1
A
K
C
E
1
4
5
8
1
26
27
52
S
D
G
6
4
1
3
B
C
E
E
C
B
K
A
C
B
E
B
E
C
52
51
33
32
20
19
64
1
A
K
C
E
1
4
5
8
1
26
27
52
S
D
G
6
4
1
3
B
C
E
E
C
B
K
A
C
B
E
B
E
C
52
51
33
32
20
19
64
1
A
K
C
E
1
4
5
8
1
26
27
52
S
D
G
6
4
1
3
B
C
E
E
C
B
K
A
C
B
E
B
E
C
52
51
33
32
20
19
64
1
A
K
C
E
1
4
5
8
1
26
27
52
S
D
G
6
4
1
3
B
C
E
E
C
B
K
A
C
B
E
B
E
C
52
51
33
32
20
19
64
1
A
K
C
E
1
4
5
8
1
26
27
52
S
D
G
6
4
1
3
B
C
E
E
C
B
K
A
C
B
E
B
E
C
52
51
33
32
20
19
64
1
A
K
C
E
1
4
5
8
1
26
27
52
S
D
G
6
4
1
3
B
C
E
E
C
B
K
A
C
B
E
B
E
C
52
51
33
32
20
19
64
1
A
K
C
E
1
4
5
8
1
26
27
52
S
D
G
6
4
1
3
B
C
E
E
C
B
K
A
C
B
E
B
E
C
52
51
33
32
20
19
64
1
A
K
C
E
1
4
5
8
1
26
27
52
S
D
G
6
4
1
3
B
C
E
E
C
B
K
A
C
B
E
B
E
C
52
51
33
32
20
19
64
1
11
37GT-25H
PRINTED WIRING BOARD (NO B Version)
Component side.
Component side.
1
I
H
G
F
E
D
C
B
A
2
3
4
5
6
7
D1013
IC1003
J217
R1048
L1004
J155
R1049
J340
R1059
J211
J428
T3.15AH
C618
C618
R751
R903
(L4)
L203
FB1002
D301
J2
+
C308
D601
FB1001
R312
A1.
R313
J134
F2
L401
J410
R305
J153
L1001
L1002
J148
J106
J149
R314
J140
J320
J107
J302
J303
J309
J310
J313
J312
J315
J162
C2
B
Q1014
E
E
Q511
B
E
Q500
B
J125
J160
SF201
1
5
SF203
1
+
C514
+
C604
+
+
C622
R611
R618
R609
R634
L604
D604
4
P602
1
+
C608
C753
J815
J816
L703
J161
L702
P702
2
1
PR701
D1
D1021
C716
+
D714
D713
Q709
E
C
C
B
J803
J907.
FB352
FB351
SC401
FB201
FB801
+
C1014
P701
3
2
1
J156
J154
J146
C1019
+
J426
J135
FB1003
J215
C
Q711
E
D501
D610
D2.
D802
+
C804
QKITP7320BMN0
F7321BMN0
F7320BMN0
(H)
D811
D812
K7321BM
D719
C1
(K)
M2
M1.
J430
(L2)
TP701
2
1
(S)
J801
J124
R619
R616
B
D880
(K)
T3.15AL
-
RDA1
RDA4
TP602
TP601
(H)
(F)
K7320BM
CF301
X801
R703
A8.
I2
B2
L303
P301
FB301
L304
R1063
J403
J214
H1
D7081
+
C712
D708
D709
C515
J325
R501
I1
F1
R625
J416
C603
J907
CF303
1
CF302
1
SF202
1
B1
D2
A2
A6
A7.
A9
A7
A1
J129
J128
J127
J126
J337
J332
J331
R366
R420
R417
R414
R410
R407
R408
D410
D402
D401
J130
J100
J218
J421
J101
J400
D406
D405
D404
D403
J322
J321
J117
J903
J906
J904
J414
J811
J810
J807
J111
J121
J118
J219
J103
J109
J307
J308
J300
J317
J324
C403
+
C302
+
C301
+
C306
+
C304
+
J301.
J401.
C711
+
C806
+
C213
+
C422
+
J336
L790
C727
+
+
C713
C241
+
C501
+
C206
+
E
Q5091
B
+
C502
C225
+
C505
+
C420
+
C421
+
C410
+
C401
+
C351
+
C208
+
C239
+
C224
+
C222
+
+
C205
C249
+
C234
+
C815
+
C235
+
+
C612
C826
+
RMC1
C876
C878
+
J323
R887
D881
D882
C874
P882
1
5
C
Q301
E
B
Q3011
E
Q209
C
E
Q401
C
B
Q5061
E
B
Q504
E
Q505
C
E
Q510
C
B
Q5031
E
B
Q502
E
B
Q604
E
E
Q603
C
E
Q708
C
B
Q887
E
B
Q872
E
B
Q871
E
B
Q883
E
B
Q870
E
B
Q885
E
J419
J418
J326
R1083
+
C1004
D1006
D1007
D1008
D1009
J136
J119
J120
J406
J413
D609
D716
+
C236
C625
C620
D211
D620
F701
J429
R722
J334
C725
E
Q602
B
E
Q705
C
E
Q703
C
E
Q702
C
J338
J800
J812
R632
R620
J210
D605
C602
C723
D717
D707
D706
D619
R720
J405
J425
+
C714
R705
R602
R708
R702
R706
C755
L201
D751
D710
C726
D705
C705
D712
D718
D704
D703
D702
D701
L701
C702
R604
R605
C707
R719
R710
R709
R753
R752
C605
C709
C704
C703
C728
TU201
AGC
VT
CLK
DATA
5V
33V
IF1
S701
S1001
S1002
S1003
S1004
8
9
16
T700
R882
R883
R884
R885
R886
DIP
1
P851
4
D510
D511
D207
D1001
D202
L205
J316
J319
IC202
1
7
8
14
R252
J108
J806
L207
C508
J141
D201
D203
D210
D351
D212
5
41
2
3
P601
L301
L206
K1
E1
M1
E1.
FB304
R429
R365
R236
J433
J123
D213
D411
L202
J329
J908
J1
P402
1
5
B1.
D602
D1012
D603
R250
K2
J339
A9.
C601
VA701
T751
D1011
K
L602
J330
J328
J341
C606
L710
L601
J144
J137
R518
R610
C615
C617
R512
R504
R506
D513
D514
D505
D506
R514
D509
D502
R240
J318
R606
J142
R507
D507
D504
J216
J113
D512
D412
P883
P881
(L3)
(L2)
P201
(L3).
H2
1
2
3
4
5
6
7
11
8
9
10
11
T601
12
11
10
9
8
9
8
7
6
5
7
6
5
4
3
SC881
Q601
B
C
E
B3.
B4.
C718
G2
(A)
(G)
G
D
S
Q701
+
C875
L881
FH1001
FH1002
J335
52
27
26
1
IC1001
+
C309
J411
X1001
J347
D1002
A8
C
Q3021
B
E
Q302
Q302
J145
A5
R1033
B3
J205
J152
FB601/212
D209
E
Q509
J301
D755
+
C719
+
C724
C757
+
R737
J104
J105
J207
J902
J150
J203
J201
J401
C715
J151
D720
R603
R732
C722
R721
C710
D724
+
C706
R704
R707
C708
J434
+
C519
J345
J343
R730
J204
J427
J344
D715
D723
D503
J202
J305
D515
J346
C521
+
J435
J910
R836
J115
J909
J404
R524
J348
J349
B
B
J143
R1030
R1031
R502
12
37GT-25H
1
I
H
G
F
E
D
C
B
A
2
3
4
5
6
7
6
4
3
1
C221
D723
R729
R725
Q706
R1016
R1037
Q1003
Q1003
R1034
R1022
R1035
R1077
D1013
IC1003
J217
R1048
L1004
J155
R1049
J340
R1059
J211
J428
C1008
C1027
C1032
C1032
C813
C810
C808
C807
C805
C803
C801
C752
C751
C729
C721
C720
C717
C623
C614
C613
C611
C610
C609
C607
C518
C517
C512
C511
C510
C509
C504
C503
C415
C414
C412
C411
C409
C408
C407
C402
C311
C310
C307
C305
C303
C254
C253
C252
C251
C250
C245
C244
C243
C242
C240
C238
C231
C230
C229
C228
C227
C226
C223
C220
C219
C218
C217
C216
C215
C214
C212
C211
C210
C209
C207
C204
C203
C202
C201
C1035
C1033
C1030
C1029
C1028
C1026
C1025
C1023
C1023
C1016
C1015
C1013
C1012
C1011
C1009
C1005
C1003
C1002
C1001
C413
C818
R235
T3.15AL
F7320BMN0
C206
R751
R903
L203
FB1002
D301
+
C308
D601
FB1001
R312
R313
J134
L401
J410
Q304
R305
J153
L1001
L1002
J148
J106
J149
R314
J140
J320
J107
J107
J302
J303
J309
J310
J313
J312
J315
J162
D517
K
D516
K
B
Q1014
Q501
Q511
E
B
R712
Q500
E
B
J125
J160
SF201
SF203
1
10
+
C514
C618
+
C604
+
+
C622
R611
R618
R609
R634
L604
D604
P602
+
C608
D754
K
R761
D753
K
C753
J815
J816
L703
J161
L702
2
1
P702
PR701
D1021
C716
+
D714
Q704
D713
Q709
J803
FB352
FB351
SC401
FB201
FB801
Q1012
+
C1014
3
2
1
P701
Q206
J156
J154
J146
C1019
+
J426
Q1013
Q1011
J135
FB1003
J215
IC1002
1
Q1002
Q1004
Q711
C
E
RJ73
P201
(L3)
(L2)
21
20
19
17
15
13
9
7
6
5
4
3
2
1
(K)
TP701
TP601
D501
D610
D802
+ C804
D811
D812
D719
J430
J801
J124
R619
R616
D880
IC201
52
51
33
32
20
19
64
1
IC501
Q1009
Q305
Q303
Q1010
CF301
Q503
Q201
Q801
Q355
Q354
Q352
Q353
Q351
X801
R703
L303
1
P301
FB301
L304
R1063
J403
J214
D7081
+
C712
D708
D709
C515
J325
R501
R625
J416
C603
CF303
CF302
SF202
1
5
J129
J128
J127
J126
J337
J332
J331
R366
R420
R417
R414
R410
R407
R408
D410
D402
D401
J130
J100
J218
J421
J101
J400
D406
D405
D404
D403
J322
J321
J117
J903
J906
J904
J414
J811
J810
J807
J111
J121
J118
J219
J103
J109
J307
J308
J300
J317
J324
C403
+
C302
+
C301
C306
+
C304
+
J301.
J401.
C711
C806
+
C213
+
C422
+
J336
L790
C727
+
+
C713
C241
+
C501
+
+
Q5091
E
B
+
C502
C225
+
C505
+
C420
+
C421 +
C410
+
C401
+
C351
+
C208
+
C239
C224
+
C222
+
C205
C249
C234
C815
+
C235
+
C612
C826
+
RMC1
C876
C878
+
J323
R887
D881
D882
C874
P882
51
Q301
C
E
B
Q3011
E
C
Q209
E
C
Q401
B
E Q5061
B
E
Q504
E
C
Q505
E
C
Q510
B
E
Q5031
B
E
Q502
B
E
Q604
E
C
Q603
E
C
Q708
B
E
Q887
B
E
Q872
B
E
Q871
B
E
Q883
B
E
Q870
B
Q885
J419
J418
J326
R1083
+
C1004
D1006
D1007
D1008
D1009
J136
J119
J120
J406
J413
D609
D716
+
C236
C625
C620
D211
D620
F701
J429
R722
J334
C725
B
E
Q602
EC
Q705
EC
Q703
E
C
Q702
J338
J800
J812
R632
R620
J210
D605
C602
C723
D717
D707
D706
D619
R720
J405
J425
+
C714
R705
R602
R708
R702
R706
C755
L201
D751
D710
C726
D705
C705
D712
D718
D704
D703
D702
D701
L701
C702
R604
R605
C707
R719
R710
R709
R753
R752
C605
C709
C704
C703
C728
IF
33V
5V
TV
AGC
TU201
S701
S1001
S1002
S1003
S1004
T700
8
9
16
R882
R883
R884
R885
R886
P851
D510
D511
D207
D1001
D202
L205
J316
J319
IC202
1
R252
J108
J806
L207
C508
J141
D201
D203
D210
D351
D212
5
4
P601
12
3
L301
L206
FB304
R429
R365
R236
J433
J123
D213
D411
L202
J329
J908
P402
5
1
D602
D1012
D603
R250
J339
C601
VA701
T751
D1011
K
L602
J330
J328
J341
C606
L710
L601
J144
J137
R518
R610
C615
C617
R512
R504
R506
D513
D514
D505
D506
R514
D509
D502
R240
J318
R606
J142
R507
D507
D504
J216
J113
D512
IC751
1
Q751
G
S
D
D752
K
Q752
D1020
Q212
D214
D208
Q204
Q203
D412
Q731
T601
1
2
3
4
5
6
7
8
9
10
11
11
SC881
9
8
7
6
5
4
3
12
11
10
9
8
7
6
5
Q601
B
C
E
C718
G2
Q506
Q701
Q202
+
C875
L881
FE
D
C
B
A
1
2
3
4
5
6
(G)
(A)
T3.15AH
FH1001
FH1002
RDA1
1
2
3
4
J335
RDA4
(H)
TP602
P883
(H)
P881
(L2)
(L3)
(K)
1
IC1001
+
C309
Q1001
J411
Q1005
X1001
J347
D1002
D1014
D1016
D1016
D1018
Q3021
C
B
E
Q302
Q1006
J145
R1033
Q1008
Q1007
J205
J152
FB601/212
D209
Q509
E
B
J301
D755
+
C719
+
C724
C757
+
R737
J104
J105
J207
J902
J150
J203
J201
J401
C715
J151
IC701
A
K
C
E
D720
R603
R732
C722
R721
C710
D724
+
C706
R704
R707
C708
J434
+
C519
J345
J343
R730
J204
J427
J344
D715
D503
J202
J305
D515
J346
C521
+
J435
J910
R836
Q901
J115
J909
C802
C816
C817
C820
C825
C827
C828
C829
C871
C872
C880
C881
C882
C883
C884
C873
C901
C906
C909
R1001
R1002
R1003
R1004
R1005
R1006
R1007
R1008
R1007
R1008
R1009
R1010
R1011
R1012
R1013
R1014
R1015
R1017
R1018
R1019
R1020
R1021
R1023
R1024
R1026
R1027
R1028
R1029
R1032
R1038
R1039
R1041
R1056
R1058
R1060
R1061
R1062
R1064
R1066
R1067
R1068
R1072
R1075
R1078
R1080
R1081
R1082
R1086
R1087
R1088
R1089
R1090
R1091
R1092
R317
R201
R202
R203
R204
R205
R206
R207
R208
R209
R210
R211
R214
R215
R216
R217
R218
R219
R220
R221
R222
R223
R224
R225
R226
R228
R231
R232
R233
R234
R238
R239
R248
R251
R253
R254
R256
R257
R258
R260
R261
R262
R301
R302
R303
R304
R306
R307
R308
R309
R310
R311
R315
R316
R318
R347
R351
R352
R354
R355
R356
R357
R358
R359
R360
R361
R362
R363
R364
R402
R403
R404
R412
R415
R416
R418
R419
R421
R422
R423
R424
R425
R426
R427
R428
R434
R435
R436
R500
R503
R505
R508
R509
R510
R511
R513
R515
R516
R517
R519
R520
R525
R526
R527
R528
R529
R530
R531
R532
R533
R601
R613
R615
R621
R622
R623
R624
R633
R711
R713
R714
R715
R716
R717
R718
R724
R731
R733
R735
R745
R754
R755
R756
R757
R758
R759
R760
R762
R801
R802
R803
R804
R805
R806
R807
R808
R809
R810
R814
R815
R816
R823
R825
R834
R837
R838
R839
C885
R879
R878
R880
R881
R888
R892
R893
R894
R896
R898
R899
R901
R902
R904
RJ1
RJ10
RJ1031
RJ112
RJ12
RJ120
RJ122
RJ123
RJ124
RJ125
RJ126
RJ128
RJ129
RJ13
RJ132
RJ135
RJ136
RJ138
RJ141
RJ142
RJ143
RJ144
RJ146
RJ147
RJ148
RJ15
RJ150
RJ151
RJ152
RJ153
RJ155
RJ156
RJ16
RJ17
RJ18
RJ19
RJ2
RJ20
RJ21
J404
R612
RJ154
R524
RJ22
RJ23
RJ24
RJ25
RJ26
RJ27
RJ28
RJ29
RJ3
RJ30
RJ31
RJ34
RJ35
RJ36
RJ37
RJ4
RJ40
RJ41
RJ42
RJ43
RJ44
RJ45
RJ47
RJ48
RJ49
RJ5
RJ50
RJ53
RJ55
RJ56
RJ57
RJ58
RJ59
RJ56
RJ57
RJ58
RJ59
RJ6
RJ60
RJ61
RJ62
RJ61
RJ62
RJ64
RJ65
RJ66
RJ67
RJ68
RJ69
RJ7
RJ70
RJ71
RJ72
RJ74
RJ8
RJ81
RJ82
RJ9
RJ11
R263
J348
J349
B
B
F7321BMN0
C237
R607
R608
C1024
R1073
J143
R1030
R1031
R502
S1
PRINTED WIRING BOARD (NO B Version)
Copper side.
Copper side.
Click on the first or last page to see other 37GT-25 service manuals if exist.