Sharp 66GF-64 (serv.man8) Service Manual ▷ View online
9
66GF-64H
Changing NVM Data
To change the data contained within the Non Volatile Memory, it is necessary to first select the page the data is stored in,
then the position and finally to change the data itself. The procedure below outlines this process.
then the position and finally to change the data itself. The procedure below outlines this process.
1. While on ALTER NVM PAGE, use the volume up/down buttons to change this data (data is shown in hexadecimal
format).
2. Press the channel up button and ALTER NVM POSITION appears, use the volume up/down buttons to change this data
(data is shown in hexadecimal format).
3. Press the channel up button and ALTER NVM VALUE appears, use the volume up/down buttons to change this data
(data is shown in hexadecimal format).
4. Once this data has been set, press the standby button to store.
5. If another NVM value has to be changed, use the channel down button to select the page or position and repeat as
5. If another NVM value has to be changed, use the channel down button to select the page or position and repeat as
necessary.
Note:
DO NOT change any NVM data, unless you have been advised to do so by a Sharp representative. If data is incorrectly
changed, serious damage may occur to the receiver.
DO NOT change any NVM data, unless you have been advised to do so by a Sharp representative. If data is incorrectly
changed, serious damage may occur to the receiver.
Procedure to re-set the NVM:
Modify the NVM values as in the below table.
Modify the NVM values as in the below table.
All the above values are hexadecimal.
Contrast Adjustments
Three types of contrast levels can be varied as listed be-
low:
• TELETEXT MIX MODE CONTRAST
Three types of contrast levels can be varied as listed be-
low:
• TELETEXT MIX MODE CONTRAST
• TELETEXT CONTRAST
• OSD CONTRAST
Use the volume up/down buttons to adjust to a suitable level,
then press the standby button to store.
Use the volume up/down buttons to adjust to a suitable level,
then press the standby button to store.
DVCO Adjustment (PAL)
Carry out the DVCO Adjustment (PAL) as shown below:
1.
Carry out the DVCO Adjustment (PAL) as shown below:
1.
Receive a Phillips pattern signal.
2.
While in the DVCO ADJUSTMENT (PAL) menu, press
the standby button.
the standby button.
3.
The adjustment will be carried out automatically and
stored.
stored.
DVCO Adjustment (NTSC)
No adjustment required.
No adjustment required.
Auto Installation On/Off
To return the receiver to the original Auto Installation mode,
using the volume up or down button, set the Auto Installa-
tion On/Off to On. This setting is automatically stored and
when the receiver is turned on the next time it will start up in
Auto Installation mode.
To return the receiver to the original Auto Installation mode,
using the volume up or down button, set the Auto Installa-
tion On/Off to On. This setting is automatically stored and
when the receiver is turned on the next time it will start up in
Auto Installation mode.
AGC Adjustment
To correctly align the Automatic Gain Control, follow the
procedure outlined below:
procedure outlined below:
1. Tune the set into a pattern generator on CH10.
2. Adjust the signal strength of the pattern generator to 57uV
3. Enter the service mode.
4. Enter the AGC Adjustment menu.
5. Press the standby button on the remote control.
6. The adjustment will be carried out and stored
2. Adjust the signal strength of the pattern generator to 57uV
3. Enter the service mode.
4. Enter the AGC Adjustment menu.
5. Press the standby button on the remote control.
6. The adjustment will be carried out and stored
automatically.
AFT Adjustment
To correctly align the Automatic Fine Tune, follow the
procedure outlined below:
procedure outlined below:
1. Tune the set into a pattern generator on CH69.
2. Enter the service mode.
3. Enter the AFT Adjustment menu.
4. Press the standby button on the remote control.
5. The adjustment will be carried out and stored
2. Enter the service mode.
3. Enter the AFT Adjustment menu.
4. Press the standby button on the remote control.
5. The adjustment will be carried out and stored
automatically.
NVM Page
NVM Position
Default Value
New value
00
7E
A5
A6
0C
20
Different on every set
Default value + 1
0C
61
Different on every set
Default value + 1
0D
3C
Different on every set
Default value + 1
0D
A5
Different on every set
Default value + 1
10
66GF-64H
Page 1
1
MOTHER UNIT PRINTED WIRING BOARD. Component side.
0
22
23
24
17
18
19
20
21
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
10
11
12
13
14
15
16
1
1
2
3
4
5
6
7
8
9
Y
X
C648
FB603
R604
JF55
D611
(EW)
JF56
JF57
L703
C746
D708
D701
+
C724
D707
C702
(G)
2
1
.
JF54
JF53
L705
FB705
JF28
J86
J85
R727
D714
F601
F602
C618
C611A
JL17
R763
D516
J288
J300
1
(MO)
4
(L5)
FB701
R713
R730
(L4)
(ST)
(OPC)
(RC)
(SW2)
(SW1)
R628
R608
J320
J100
JL1
R611A
D719
C1807
+
R610
C619
+
J264
+ C620
+
C528
D1809
R606
R617
C607
+
D612
(AV).
R408
JL14.
J284
1
3
(PW)
C504
R553
L604
R518
R603
J316
JF29
C634
J306
D609
JF8
JF9
D608
M1000
R792
J10
R741
C710
R715
C703
D702
C616
+
J101
J133
J134
D610
R616
J174
J175
J176
J177
R533
+
C
J4
CF701
1
J68
THE " " SYMBOL
CAUTION
THE ACTIVE SECTION
IS INDICATED WITH
E
Q711
C
1
(H).
T3.15AH
C615
J173
C610
R613
+
C719
R728
J99
J33
C718
+
R624
J172
R609
R641
D606
R623
D621
L606
J171
Q605
JF1
QKI
DIP
(YC)
(L2)
IC1008
(K).
14
2
1
15
IC1801
J6
J5
R714
C705
D712
R716
J178
JF10
J211
C613
D613
R612
FB601
D603
C601
D604
D605
1
(CW)
1
2
3
4
S701
S
D
G
20
21
21
20
S705
S704
D1001
D1002
LP701
S703
S702
18
10
9
1
T701
1
2
3
4
5
6
7
8
9
10
11
12
T601
MODULO_DIGITAL
6
12
Q701
L701
B
Q602
E
Q601
B
C
E
(F)
1
2
3
4
5
J208
J209
J210
R791
R790
R790
C706
+
R723
J67
IC706
R742
R1036
IC501
20
J69
D711
FB702
C711
C714
L603
R501
L609
J207
L609A
C770
R1821
R1822
R1820
D718
J226
J244
L502
TP601
TP602
K7241BM
F7241BMNF
K7240BM
+
C707
+
C526
1
2
3
(A)
+
C509
R643
R503
FB501
C642
C611
C641
+
C723
+
C501
D716
JL2.
R1
C631
C720
+
D720
C713
J327
+
C1823
FB1002
JF48
J326
5
(H)
R536
C638
L612
C637
R614
L611
(AA)
3
1
C701
F701
FB704
FB703
D722
J321
C721
+
J334
J317
R619
JF51
JF50
L605
+
C632
(STB2)
1
5
POR701
D703
D704
C704
L702
IC701
J17
D731
D734
R721
R778
R703
R771
J344
+
C739
R770
D623
J70
C1812
+
C1811
+
C1824
C1825
D1804
C
Q912
E
11
66GF-64H
MOTHER UNIT PRINTED WIRING BOARD. Component side.
Page 10
29
30
31
32
33
20
21
22
23
24
25
26
27
28
17
18
19
22
23
24
17
18
19
20
21
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
Y
X
JL14
(K)
9
1
R815
J228
J234
+
C804
R814
JL27
JL26
JL28
JL12
JL10
(SC)
C305
+
+
C306
C381
C356
R650
.
.
1
(VS)
3
+
C377
(STB1)
JL11.
J120
R1019
R1020
X1002
JL17.
J288
J300
C353
J62
+
C1027
JL1.
C1032
+
J24
JL12,,
C644
+
R530
J183
D622
R234
X301
J170
(CC)
1
1
(SS)
3
+
C229
J271
R1055
JL2
J44
L1002
L1001
J309
J201
J201
J200
J199
IC302
10
11
R526
R550
J90
R1008
J91
JF31
J60
L316
L315
J27
R1050
(L3)
R1834
D1809
100Hz
JL12.
R618
J297
J116
J94
GND
GND
GND
JL12.,
JL12..,
FB302
JL15
+
C437
C812
1
+
C818
+
X801
Q502
R230
J303
JL11..
C1031
+
JL6.
L203
R436
J177
R533
J249
J64
J314
+
C511
R534
C524
C821
R231
C820
J221
J222
J222
J241
J242
J32
J305
J31
R1047
J45
J46
L301
J14
J13
J12
J83
C332
+
J301
C205
+
C204
J225
C209
+
R232
R233
C228
J280
R426
R419
J216
15
+
JF19
J158
C514
J137
C365
+
+
C815
J401
J187
J103
J102
R508
J47
C376
KITP7240BMNF
ESPA¥A
F7240BMNF
(YA)
(YB)
C1814
(K).
TRC
GND
12
11
10
9
8
7
6
5
J141
J143
J144
J153
J154
J153
J154
J155
J142
C431
C430
J145
J189
+
C210
J160
J161
J162
J151
L803
C343
+
R455
J246
L317
J9
J8
R541
J191
+
C313
+
C314
+
C311
L201
J169
C324
C325
C315
+
C326
+
C329
IC1002
12
6
1
(SA)
(SB)
16
L351
L350
IC203
C215
+
J275
J278
5
1
SF203
+
C206
CF202
1
J230
J131
+
IC301
1
10
20
52
27
26
1
IC2401
J274
J178
L503
J179
211
R425
R424
1
2
2
1
(AV)
CN3
4
2
6
5
3
1
7
TH201
AGC
TU
AS
CL
DA
B+
33V
IF1
IF2
1
6
12
6
1
12
6
1
L501
FB301
J265
J266
+
C218
64
33
32
1
IC305
J129
J128
J127
8
1
IC304
C358
IC801
1
32
33
64
J232
J231
5
1
SF201
SF202
15
J198
R306
R307
C220
+
J125
J168
J167
J166
J165
J164
J150
J147
J146
+
C211
J163
JF14
JF6
J136
C322
C323
J157
J48
J49
J50
R501
+
C520
D510
J156
J152
J253
+
C219
J63
J251
J236
R451
J250
+
C415
R1836
J226
J244
J74
J118
J95
J92
J41
J40
R1027
FB303
J252
TP701
TP201
1 (FV)
(FV).
1
J202
J203
J223
C362
J39
J117
J61
J72
J75
JL7
J243
J206
R420
J312
J138
J139
JF32
JF33
JF34
JF35
J318
J113
J114
J115
L2401
L2402
J88
J106
J194
J193
J192
(RGB)
J43
J42
J28
J224
C501
JL12,
C822
J322
JL2.
J159
+
C342
J71
J311
J119
J140
J140
R229
R620
X2401
R1832
J212
R519
J190
J185
J180
JL11
C1001
+
+
C825
C426
+
J248
J260
C536
+
J87
R359
C361
+
C363
L352
+
C351
C352
+
C372
JL6
J78
J79
J80
J81
J82
IC1005
1
3
J93
L318
J130
R315
C341
1
(HD)
3
4
(S)
1
J255
C422
+
R418
R464
+
C433
J331
1
AV
R1003
(RT)
1
J304
R1022
J270
J269
J323
J343
JL2..
50Hz
50Hz
J122
1
(STB3)
3
(STB4)
1
R1058
R1059
J121
R1018
J337
(L2)
JL19
R1064
D623
C368
L353
+
C378
C382
C370
J30
C373
D206
L1801
JL18
J347
J348
J349
JL29
JL29.
JL27.
JL26.
JL28.
J307
J214
L801
+
C802
JL10.
JL7.
J319
D803
JL31.
JL31
12
66GF-64H
MOTHER UNIT PRINTED WIRING BOARD. Copper side.
Page 13
19
18
17
29
28
27
26
25
24
23
22
21
20
33
32
31
30
22
23
24
17
18
19
20
21
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
Y
X
D415
K
K
D422
(K)
D804
K
R818
C826
R816
R817
Q805
Q804
R815
J228
J234
+
C804
Q803
R811
Q802
R814
R813
R812
R470
C380
J351
J352
J51
JF52
J146
R454
J350
C340
IC503
C383
(SC)
K
D302
D304
K
K
D305
R302
R303
+
C305
+
C306
R301
R304
R468
R458
R461
JF11
R459
R377
J2
C381
C356
R351
Q305
R362
R363
R350
Q306
R355
R354
R373
J345
JF20
JF22 JF21
R1061
C441
C440
C439
C4
.
.
(VS)
+
C377
R361
Q303
Q302
(STB1)
J120
K
D1009
C1026
R1005
R1032
K
D1003
J335
J294
R1019
R1020
FB1001
X1002
C1022
C203
K
D1810
R1030
R226
R1033
K
D417
D416
K
R547
J288
J300
R648
C516
C360
C353
J302
J62
R1026
+
C1027
Q1001
C1032
+
J24
C644
+
R530
J183
D622
R234
X301
J170
R211
C529
(CC)
C429
(SS)
R2411
R2410
R2412
R255
R256
R257
+
C229
J271
R245
R258
R254
C230
Q210
R1055
R1045
J44
R1049
K
D802
J309
J201
J200
J199
FB802
R542
C371
R374
C366
C369
C374
R356
IC302
11
20
K
D303
R320
R319
R808
R554
R526
R550
J218
C606
K
D2403
R1029
R2402
R2406
C1017
J90
R1008
J91
JF31
R1031
C2406
J60
C2404
K
D2401
L316
L315
J27
R1050
R1834
C1809
R
D1809
D615
K
R618
Q608
J297
J116
J94
R204
R1840
FB302
+
C437
JF37
R465
J240
JL14
+
C818
+
C812
X801
J220
C808
C222
L204
C414
C319
R310
R309
C320
R313
R312
B
E
Q502
R230
C823
J303
JF30
C1031
+
IC1004
IC1006
IC1007
IC1003
J126
C1822
C1821
R1810
R1811
L203
R436
K
D508
J177
R533
J249
J283
C1029
J64
J314
C511
+
R504
R534
C524
+
D419 K
Q408
C821
R231
R1004
C820
J221
J222
J241
J242
J222
J241
J242
C432
J32
J305
J31
R1021
Q607
R1047
J45
J46
L301
J14
J13
J12
R
R1025
J65
C1014
J83
C332
+
J301
C205
R249
R240
R216
+
C204
J225
JF4
R220
C209
+
R232
R233
C221
R246
C207
C228
R505
R506
K
D507
Q501
R1802
R1835
C1801
R1801
R1804
Q9
J280
R416
R410
R426
R419
J216
IC1001
1
25
26
75
C615
+
JF19
C521
R549
R545
R810
J158
J289
C514
Q503
J137
R548
C365
+
+
C815
C617
R411
D420
K
R515
R544
R510
C503
J401
J187
J103
J102
R508
J47
L202
C376
J281
C502
R460
R462
D410
K
R427
(YA)
(YB)
C1814
TRC
12
11
10
9
8
7
6
5
GND
R235
R236
J141
J143
J144
J153
J153
J154
J155
J142
C431
C430
J145
C226
J189
C210
J160
J161
J162
J151
L803
K
D617
C343
+
R417
R455
J246
R308
C338
R311
L317
J8
R314
C339
R541
J191
+
C313
+
C314
+
C311
C312
R227
C213
R228
C213
R228
R219
L205
L201
J169
C324
C325
C315
+
C326
+
C329
R1024
32
17
16
1
IC1002
(SA)
J342
J341
(SB)
L351
L350
IC203
C215
+
J275
J278
SF203
C208
JF5
R217
+
C206
CF202
C335
C334
J230
J131
C350
C354
C362
+
R352
IC301
11
20
C336
C337
IC2402
14
13
5
52
27
26
1
Q209
R243
R244
C417
J274
R432
C420
R430
R433
R431
C421
C421
IC401
R456
J178
L503
J179
J211
C404
C401
R413
C406
D411
K
IC201
1
28
R425
R424
D409
K
JF2
JF3
R429
R403
C409
R412
C410
R414
C402
IF2
IF1
B+
DA
CL
AS
TU
TH201
R40
C419
C418
R428
C416
D405
K
MODULO_DIGITAL
Q404
R450
R434
Q405
R511
R457
R453
FB301
C403
J265
J266
R415
D414
K
Q406
K
D203
J279
+
C218
C2408
64
1
IC305
J129
C331
J128
J127
8
IC304
C358
C309
C310
IC801
1
32
64
J232
J231
SF201
SF202
J198
IC501
11
R306
R307
R237
C227
C220
+
8
5
4
1
IC202
R2405
J125
J168
J167
J166
J165
J164
J150
J147
+
C211
R322
R321
J163
JF14
JF6
C507
C217
C216
QKITP7240BMNF
IC2401
F
J136
C523
R318
R323
C322
C323
J157
J48
J49
J50
R2408
R501
+
C520
R507
R517
C512
D510
R514
F7241BMNF
J156
J152
J253
R205
+
C219
R247
J63
J251
J236
R451
J250
+
C415
R1818
C1803
R1824
R1823
R1817
C1802
R1806
R1836
R1821
R1822
J226
J244
L50
J74
J118
J95
J92
R1041
J41
J40
R1027
C357
R375
FB303
R449
J252
TP701
TP201
(FV)
(FV).
J202
J203
J223
J307
R532
D601
K
J39
J117
J61
J72
J75
J243
R251
R252
R248
R535
R551
C532
C223
R241
R242
C224
C225
R239
J286
R208
R253
J206
R209
R420
C434
C435
C436
J312
C515
R522
R552
C533
Q507
R528
J138
Q505
J139
JF32
JF33
JF34
JF35
J318
J113
J114
J115
R2404
L2401
L2402
L2402
J88
J106
J194
J193
J192
C1023
C1024
C1025
Q801
C803
R376
C1002
J43
J42
J28
JF38
JF39
J224
R521
C501
R626
J310
C822
J322
J159
+
C342
K
D1008
D1006
K
C214
C212
Q207
R225
R238
Q208
R1054
R2407
J71
C2402
J311
J119
J140
R229
R620
K
D618
X2401
R1832
J212
R519
C531
J190
J185
J180
R2409
+
C1001
R802
C807
+
C825
R466
C426
+
JF12
C535
J248
C819
KD418
R467
J260
R445
C536
+
J87
R807
C816
C817
C811
R359
Q304
C361
+
C363
L352
R353
C364
C351
+
C352
+
C372
R806
K
D1005
Q1004
R1002
R1001
R1044
J78
J79
J80
J81
J82
IC1005
C1028
R1056
D1010
K
J93
Q1006
R447
C428
R448
L318
C1030
Q606
C636
J130
R644
C643
C2401
C2403
C2407
R2401
C2405
R1051
R1052
D204
R315
C341
(HD)
R317
R316
C359
(S)
4
1
D301
K
R358
J9
J255
C427
R437
Q403
C422
+
R418
R464
+
C433
Q201
R203
R463
J331
AV
C451
R1003
C1034
C1018
R1042
R1053
(RT)
1
R1057
Q1007
R1043
D2402
K
D2404
K
J304
Q1005
C1019
C1020
R1022
K D1004
J98
J270
J269
J323
J343
J324
J325
FB801
JF44
R1023
J122
(STB3)
(STB4)
R1058
R1059
J339
J338
J121
R1018
J337
C1021
J336
D1011 K
R2403
Q2401
C2409
C438
C443
R1035
R1060
R215
R210
K
D205
R218
D623
C368
C367
L353
+
C378
C382
R372
C370
J30
R360
C379
C373
C375
R357
R378
R259
R469
C813
L1801
J353
C1005
C1033
R1046
J347
J348
J349
K
D407
R423
C444
K
D408
R422
C445
C446
R421
R512
R502
R516
C321
R452
D412
K
D413
K
C330
C333
C327
JF7
C328
C317
C318
C316
D801
K
R622
C814
R805
C809
R1028
R803
R804
J219
C412
C413
C411
R405
J354
K
D1007
C405
R404
R406
J214
C801
L801
C802
+
R801
J332
C824
R809
J319
D803
C447
Click on the first or last page to see other 66GF-64 (serv.man8) service manuals if exist.