51GT-25 (serv.man5). - Part 4 - Schematic diagrams (21-30) - Sharp TV Service Manual (repair manual)

51gt-25 (serv.man5) service manual
Model
51GT-25 (serv.man5)
Pages
10
Size
662.36 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / CTR / - Part 4 - Schematic diagrams (21-30)
File
51gt-25-sm5.pdf
Date

Read Sharp 51GT-25 (serv.man5) Service Manual online

21
51GT-25H
WAVEFORM MEASUREMENT CONDITION:
Colour bar genetator signal of 70 dB from RF input.
DESCRIPTION OF SCHEMATIC DIAGRAM
1. The unit of resistance «ohm»is omitted (K=1000
ohms. M= Megaohm).
2. All resistors are 1/8 watt. unless otherwise noted.
3. All capacitors are 
µ
F, unless otherwise noted (P=
µµ
F).
4. The capacitor with Part No. RC-FZ9XXXBMNJ is
designed to with stand 63V.
5. The capacitor with Part No. RC-FZ4XXXBMNJ is
designed to with stand 50V.
NOTE:
SERVICE PRECAUTION:
THE AREA ENCLOSED BY THIS LINE (           )
IS DIRECTLY CONNECTED WITH AC MAINS
VOLTAGE.
WHEN SERVICING THE AREA, CONNECT AN
ISOLATING TRANSFORMER BETWEEN TV
RECEIVER AND AC LINE TO ELIMINATE
HAZARD OF ELECTRIC SHOCK.
CAUTION
This circuit diagram is original one,
therefore there may be slight difference
from yours.
IMPOTANT SAFETY NOTE:
PARTS MARKED WITH  «
»  (
 
                      
) ARE
IMPORTANT FOR MAINTAINING THE SAFETY
OF THE SET. BE SURE TO REPLACE THESE
PARTS WITH SPECIFIED ONES FOR
MAINTAINING THE SAFETY AND PERFORMAN-
CE OF THE SET.
!
SAFETY NOTE:
1. DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD BE
REGARDED AS POTENTIAL SHOCK HAZARDS
WHEN THE CHASSIS IS OPERATING.
Power circuit drive. Q701 Drain
V. Division: 100V / Sec. Division: 5uS
V-output. F 5pin
V. Division: 10V / Sec. Division: 5mS
3
4
6
5
8
9
2
7
H-output. Q601 colector
H-drive. Q601 Base
V-output. F 4pin
Video out. IC201 54pin
H-sync. IC1001 19pin
V-sync. IC1001 24pin
Red cathode CRT socket 8pin
V. Division: 200V / Sec. Division: 20uS.
V. Division: 2.0V / Sec. Division: 20uS
V. Division: 2.0V / Sec. Division: 5mS
V. Division: 1V / Sec. Division: 20uS
V. Division: 1V / Sec. Division: 20uS
V. Division: 1V / Sec. Division: 5mS
V. Division: 20V / Sec. Division: 20uS
1
22
51GT-25H
Page 24
Page 23
1
I
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G
F
E
D
C
B
A
2
3
4
5
6
7
SCHEMATIC DIAGRAM (00 Version).
12
34
12
3
14
23
8
T700
Z0545BM
3
5
6
1
10
9
14
13
12
11
15
16
LED
C
H
+
C
H
-
V
O
L+
VOL-
4
56
49
50
51
52
+5VB
AV
MUTE
POW
5V
SCL
KEY
VT
IC1001
SDA5552 A
IX1818BM
+150V
G2
FOCUS
PWB-B
DUNTK7321BMN0
CRT
VI
H.V.
(1.1mA)
GND
R
GB
HEATER
4
3
2
1
(H)
150V
+7V
9
RESET
+20V
B
G
GI
R
RI
FB
FBI
LED
FB
B
R
SDA
MUTE
AV/TVAV/TVAV/TV
FLY BA
VIDEO
G
SCL
BI
H PULSE
+2.5V
+105V
+3.3V
H OU
T
AC 220-240V
50HZ
QACCB5007BMZZ
(G)
P702
N0207CE
L704
G0408BM
ADG COIL
C703
.01
(250V)
KZ0029CE
D703
DX0571BM
D701
DX0571BM
D704
DX0571BM
D702
DX0571BM
C704 .01
(250V)
KZ0029CE
R703
5.6
(5W)
(WKP)
R705
560K
(1/2W)
R704
560K
(1/2W)
C705
.01
(250V)
KZ0029CE
C726 470pF
Q701 H-TX0199BM
(4NB80FP)
C718 220P
(2KV)
KZ0035CE
D718
(15V)
EX0419BM
R707
220.
Q702
BC337
H-TX0217BM
C708
.068
C707
.015
D719
DX0577BM
D709
DX0590BM
R709
C721
.1
C725
220P
(2KV)
KZ0035CE
R702
220K
(1/2W)
D705
DX0539BM
D710 DX0577BM
D708
DX0561BM
R500
47K
R1083
330.
D1011
PX0104BM
S1001
K0079GE
S1002
K0079GE
S1003
K0079GE
S1004
K0079GE
R724
470
C715
.22
D713
B3V9
EX405BM
D712 DX0574BM
R511
10K
C512 .001
R503
4K7
Q502
BD825
H-TX0140BM
D507
DX0045BM
R515
820
D503
5,6V
EX0409BM
R525 1K
R532 1K
D512
DX0045BM
R502
1K8
(1W)
(VV)
C515 560P
D504 DX0045BM
D501
DX0501BM
D502
DX0045BM
R501
1K
(1/2W)
R254
0
R6 10
D
D
R434
1K
R412
470
R415
470
R419
470
R1004 6K8
R1003 6K8
D1002 DX0045
R1001 4K7
D1006
DX0045
D1007
DX0045
D1008
DX0045
D1009
DX0045
Q1004
2SC2412
R1026 10K
R1028
3K3
D602 DX00
R512
5.6
(1/3W)
R-XZ0109BM
L701
F0111BM
C728
.01
(250V)
KZ0029CE
PR701 P0001BM
R720
47k
D706 DX0045BM
R708 560
(1/2W)
C723 .22
R1027 3K3
C705 100
(400V)
EZ0100BM
C719
470uF
(35V)
C502
100
(35V)
C501 220
(25V)
C514 220
(25V)
C521 10
(16V)
C519 100
(16V)
S701
P0612CE
F701
FS-C3226
T3.15A
(A)
P701
N0304CE
Q883
BF421
H-TX0180BM
R892
1K
D881
DX0045BM
D882
DX0045BM
D811
DX0045BM
D880
DX0045BM
C882 470P
C881 470P
Q871
BF422
H-TX0181BM
R893
1K
R885
2K7
(1/2W)
R883 2K7
(1/2W)
R887 2K7
(1/2W)
C880 470P
R894
1K
R879
470
R895
470
R886
15K
(2W)
(VV)
R896
470
C871
470P
Q872
BF422
H-TX0181BM
Q870
BF422
H-TX0181BM
R880
470
R881
470
C872
470P
C873
470P
C874 .001
(500V)
R519
10K
Q500
BC636
H-TX0112
R737
1
(1/3W)
R733
470
Q706
2SC2412KQ
R505
Q709
BD825
TX0140
IC1002
24C04
.
1
.
2
.
3
.
4
.
5
.
6
.
7
.
8
SC881
VO103BM
.
7
.
9
.
3
.
5
.
4
.
6
.
8
P883A
(L3)
QTIPM0017CEFM
1
P881A
(L2)
1
Q885
BF421
H-TX0180BM
Q887
BF421
H-TX0180BM
R899 470
P882
(K)
.
5
.
4
.
3
.
2
.
1
Q501
2SC2412KQ
C804
22
(16V)
C517
.033
R882
15K
(2W)
(VV)
R884
15K
(2W)
(VV)
C876
.047
(2KV)
C711
100
(160V)
Q1002
2SC2412
D755
3V0
EX0402BM
C1012
220nF
R1029 10K
R1002
4K7
C713
1000
(16V)
L881
12uH
(CF)
D812
DX0045BM
R717
4.7
C712
220
(16V)
Q1006
2SA1037KQ
C878
10
(200V)
R725
2K2
C1030
1nF
R516
4K7
Q1007
2SC2412KQ
C729
680pF
R719
180
(1/2W)
R706 .27
(1W)
(NVV)
D707
DX0045BM
C714
470
(10V)
R730
2,2K
(1/2W)
R-XZ0204BM
D724
EX0152CE
R839 82k
R1032
1K
D1020
DX0508BM
R1088
4K7
Q1010
2SC2412KQ
R1089
10K
R1069
4K7
C702 330nF
(275V)
FZ0192BM
R1030
3K9
R1033
100K
R1031
10K
R711
1K
Q5091
BC635
H-TX0108BM
R712
560
(TQ)
R250 82
R713 330
2SC2412
Q704
Q711
BC327
R735
23
51GT-25H
Page 25
Page 22
8
9
10
11
12
13
14
I
H
G
F
E
D
C
B
A
SCHEMATIC DIAGRAM (00 Version).
6
2
3
1.9
-1.6
-1.5
-1.5
0
-7.6
-1.6
-1.7
-5.6
9
2
5
68
3
10
7
11
4
H.V
T601
F2048BM
FOCUS
G2
TP601
10
4
56
3
2
1
IC501
MT1A / A
(DIP)
4
5
+5VB
-10V
V-B
FLY BACK
V-A
SDA
SCL
V-B
V-A
BI
GI
RI
FBI
FLY BA
IR
H OU
T
.
Q702
BC337
H-TX0217BM
C709
.0033
C708
.068
C722
3300P
(4K)
KZ0106GE
R605 1.5
(1/2W)
R604 1.5
(1/2W)
Q602
BC635
H-TX0118BM
D619
DX0045BM
R632 470
(1/2W)
R603 1
(1/2W)
R-XZ0200BM
D609 DX0557BM
Q601
(BU508DFI)
H-TX0132BM
C601
.0082
(1.5KV)
FZ0147BM
L601
4.7uH
(CF)
Q604
BC636
H-TX0112BM
C604 220
(10V)
R709
33
C710
.001
D716
B27V
EX0425BM
R716
12K
R724
470
C715
.22
D713
B3V9
EX405BM
D712 DX0574BM
Q708
BC337
H-TX0218BM
C511
2200P
R514 10K
C512 .001
R529
1K
R530
3K3
R834
1K
R620
1K
(1/2W)
D620
DX0045BM
D604 DX0578BM
R623 220K
L604 22uH
(CF)
R618
1K
(1/2W)
R624
560K
R609
82
(1W)
(NVV)
D513 DX0045BM
D514
DX0045BM
R611
3K3
(1/2W)
R-XZ0242BM
D605
DX0577BM
R633
15K
R621
10K
C614 .01
D402
(7.5V)
EX0412BM
R1038
220
R1039
220
R1041
220
L201 47uH
(DF)
D211
DX0577BM
Q506
BC896
TX0152
Q505
BC546
H-TX0154BM
C503 68P
Q504
BD830
TX0204BM
D505
DX0501BM
R508
33
C504 68P
R503
4K7
Q503
BC856
TX0153
R506
1
(1/3W)
R-XZ0100BM
R504
2K2
(1/3W)
R-XZ0104BM
BD825
H-TX0140BM
R407 47
(1/2W)
R507 560
(1/2W)
R510 15K
Q510
BC337
H-TX0217BM
R515
820
5,6V
EX0409BM
1K
C602
330P
(2KV)
KZ0036CE
D602 DX00
C609
.01
Q603
BC547
H-TX0142BM
C723 .22
C617
.1
(63V)
FZ9104BMNJ
R528 180K
C724
10uF
(16V)
C608
1
(160V)
C502
100
(35V)
C505
4.7
(50V)
D714 (5.1V)
EX0408BM
R737
1
(1/3W)
C717
.1
R715
1K5
R505
1K8
R622
15K
P601
(F)
N0505CE
.
1
.
2
.
3
.
4
.
5
P602
(H)
N0461CE
.
1
.
2
.
3
.
4
V-IN
V-OUT
.
17
.
18
.
19
.
20
.
21
D401
(7.5V)
EX0412BM
C622
220
(10V)
C625
.22
C620
.1
FZ4104BM
C606
390nF
(200V)
FZ6394BMJ
D723
DX0045BM
C517
.033
C623
470P
R408
220
D715
(5.1V)
EX0408BM
C716
100
(16V)
R602
330
(1/2W)
IC701
PC123ZY1
4
1
2
3
R410
82
R722
8.2M
(1/2W)
(UA)
R531
100
C605
.1
FZ4104BMNJ
R725
2K2
D610
DX0045BM
R516
4K7
R250
82
Q705
BC547
H-TX0142BM
R719
180
(1/2W)
Q703
BC337
H-TX0217
R721
8.2M
(1/2W)
(UA)
D707
DX0045BM
470
(10V)
D717
B75
EX0495BM
L602
Z0717BM
R610
2K2
(1/2W)
C615
220pF
(500V)
R729
4K7
(TQ)
R616 27
(2W)
(VV)
R619 22
(2W)
(VV)
C603
15nF
R601
12K
R710 1K
(1/2W)
D720 (4.7V)
EX0407BM
R714 100
1K
RJ1031
24
51GT-25H
Page 22
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2
3
4
5
6
7
R
Q
P
O
N
M
L
K
J
Page 25
SCHEMATIC DIAGRAM (01 Version).
+2.5V
44
47
46
2
3
4
5
6
7
8
9
10
11
12
13
14
+2.5V
6
+3.3V
15
16
17
18
19
20
21
22
23
24
25
26
45
48
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
49
50
51
32
1
RMC0001
R
M
C
U
0
222CE
MUTE
POW
5V
SLOW
PROT
AGC
FRONT
VCC2.5
GND
VCC
CVBS
ANA VCC
ANA GND
V
VL
H
BG/L
IR
VSYNC
U
L/L´
AGC
VH
GND
VCC
RESET
ANA GN
D
ANA VCC
R
G
B
BLK
VCC2.5
GND
VCC
KEY
KEY
KEY
SDA
SCL
KEY
VT
OUT
5V
+7V
7
8
FRONT
VIDEO
FLY BACK
RESET
R
FB
G
B
VIDEO
SLOW
H OU
T
R254
0
R613 100
R836
680
D802
DX0045BM
R838
820
R803 4R7
R901
1K
C825 .1
R801
100K
R1081
100
R1013
560
R1082
100
R1008
1K
R1007
220
R1006
220
R1005
220
X1001
6MHZ
FB1001
BLN-0020
Q1004
SC2412
R1075 10K
R1018 15K
L1002 12uH
R1022 10K
R904
0
L1004
12uH
R1073
2K2
R1021 22K
D1012
DX0045
R1066
10K
R1028
3K3
X801
4.43MHZ
B0115BM
R837
0
R814 100
R815 100
R810 100
R816 100
C235 1000
(10V)
R806 2.2
Q801
2SC2412KQ
R612 15K
D603
D602 DX0045BM
D301
DX0045BM
R317 1K
C306
2.2
(50V)
R314 4.7K
(1/2W)
R315
820
R307
100K
R303
100K
R302
33K
R309 10K
C302
47
(10V)
R306
560
Q304
2SA1037KQ
R305 2.2
(1/2W)
R-XZ0204BM
R313 4K7
(1/2W)
R312 4K7
(1/2W)
Q303
2SC2412KQ
Q3021
BC636
H-TX0112BM
R308
100
R304 10K
R1077 4K7
R1035 22K
R1034
15K
D1013
DX0045BM
R1048 4K7
(1/2W)
R1049 4K7
(1/2W)
R1059 4K7
(1/2W)
R903
47
Q901
2SC2412KQ
R1015
22K
L304
3.3uH (DF)
C304
470uF
(25V)
C301
1
(50V)
R1037 10K
C806
100
(16V)
C1008
22pF
C1009
22pF
C1033 1nF
C1005
100nF
C1028
1nF
C1011
56nF
C1023
220nF
(2,5V)
C1024
150pF
C1026 100pF
C1003 100nF
C1027
100nF
C801
.1
C803
.1
C901 .22
C201
.047
C805
.1(Z)
C607 39P
C307
22nF
C1013
.047
C1016
.047
C816 .001
C802
.1
L202 12uH
(DF)
C827
100P
IC201
TDA8840-2
GND      .
25
NC      .
26
AUDIO  OUT      .
27
CAL      .
28
EXT  VIDEO      .
29
SENS      .
30
B  OUT      .
31
G  OUT      .
32
R  OUT    .
33
ABL    .
34
R  IN    .
35
G  IN    .
36
B  IN    .
37
FB    .
38
Y  IN    .
39
Y  OUT    .
40
NC    .
41
NC    .
42
NC    .
43
NC    .
44
B-Y  OUT    .
45
R-Y  OUT    .
46
B-Y  IN    .
47
R-Y  IN    .
48
SECAN_REC    .
49
.
50
XTAL     .
51
.      OSC_PLL
52
.      VCC
53
.      VIDEO_OUT
54
.      BLACK
55
.      H_OUT
56
.      FLY_BACK
57
.      FIL2
58
.      FIL1
59
BG
R
P402
(K)
.
1
.
2
.
3
.
4
.
5
P301
N0241CE
.
1
.
2
P301
10PZ7NA
.
1
.
2
IC1003
IX0037CE
C828
100P
C909
4700P
C906
.22
(25V)
R1012
10K
C807
.022
C829
100P
R1072
1M
R201
1K
C804
22
(16V)
C309
1
(160V)
Q305
2SC2412KQ
R318
15K
D601
C3V3
EX0403BM
C810
.1(Z)
L1001
12uH
R1078
470
Q3011
BC635
H-TX0108BM
R1080 3K3
C1012
220nF
R1029 10K
C1001 100nF
R1058
4K7
R1002
4K7
R809
100
Q1001
2SC2412KQ
C1015 100 nF
R1017
47K
Q1012
2SC2412
C1019 10uF
(16V)
R1014
100K
C308
220
(10V)
C1014
2.2uF
(50V)
D1021
C5V1
EX0408BM
C820
18P
Q1003
BF840
H-TX0113BM
FB301
BLN-0037CE
CF301
C0023CE
C1004
47uF
(10V)
R902
220
C226
100P
C1032
330nF
(25V)
R316 33K
D411
DX0045BM
D403
EX0412BM
(7,5V)
R608 2K2
R607
4K7
R1069
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Download Sharp 51GT-25 (serv.man5) Service Manual (Repair Manual)

Here you can read online and download Sharp 51GT-25 (serv.man5) Service Manual in PDF. 51GT-25 (serv.man5) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp 51GT-25 (serv.man5) CTR. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.