TV-20F242
TV-20F242
No.51768
No.51768
#
2-27
2-28
[MAIN PCB TV POWER CIRCUIT DIAGRAM]
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
D528
MTZJ5.6B
D515
MTZJ33B
W847
W856
W817
W858
W803
W810
W809
W802
W818
W855
W857
Q512
2SC2909
SWITHING
Q504
2SC1815Y
RELAY DRIVE
Q507
2SC945
FEED BACK
SWITCHING
Q505
2SC2909
SWITHING
C510
47
50V
MHE
R521
10K 1/4W
R507
1K 1/4W
R518
10K
1/4W
R506
2.2K 1/4W
R503
3.3K
1/4W
R553
39K
1/2W
R554
22K
1/2W
R508
1M 1/4W
R509
10K
1/4W
R504
120K
1/2W
R513_1
470
1/4W
R516_1
390
1/4W
R514_1
680
1/4W
R500
2.7M
1/2W
R515
10K
1/4W
R552
10K 1/4W
R523
10K
1/4W
R520
10K 1/4W
R502
10 1/2W
R511
1K 1/4W
R519
10K
1/4W
R524
100 1/4W
R533
6.8K
1/4W
R532
12K
1/4W
C519
470P
500V
B
C517_2
0.0015
2KV
YR
C516
470P
500V
B
C515
0.001
M
C503_1
0.0022
2KV
B
C505
0.22
250V
ECQUL
C506
0.1
250V
ECQUL
C530
0.0022
125V
MX
C527
470P
500V
B
C518
470P
500V
B
C549
0.033 M
C554
0.0022 B
C502_1
0.0022
2KV
B
C522_1
100P
2KV
BP
C528
0.022
F
C529
0.001
125V
MX
C509_1
0.027 TF
C512
0.001
B
C514
0.0027
2KV
BP
C524
1000
25V
MHE
C534
100
160V
YXA
C521_1
220
200V
BXA
C507_1
820
200V
HA
C523
470
35V
MHE
C520
1000
16V
MHE
C531_2
1000
25V
MHE
C537
0.47
50V
YK
B502
BL02RN2-R62T4
B505
BL02RN2-R62T4
B504
BL01RN1-A63
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
SINCE THESE PARTS MARKED BY
CAUTION:
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
ETANT
LES PIECES REPAREES PAR UN
ATTENTION:
D525
1SS133
D526
1SS133
D524
1SS133
D530
1SS133
D519
21DQ09N
D533
10ELS2N
D505_1
21DQ09N-FC4
D516
1SS133
D508
21DQ09N
D512
21DQ09N
D514
21DQ09N
D506
RMPG06J
D523
1SS133
D511
10ELS2N
D529
1SS133
D507
SB10-03A3
D517
1SS133
D534
21DQ09N-FC4
D503
RU2AM
D510
RU2AM
D518
1SS133
R543
680 1/4W
IC506
TLP621(GR)
FEED BACK
1
2
34
CAUTION: DIGITAL TRANSISTOR
IC502
STR-G6624
POWER REG.
1
2
3
4
5
HS502
763WAA0125
R512_1
10K 2W
R542
0.13
1W
R528
22K
3W
R501
2.2 7W
CP502
TV-50P-02-A1
1
2
F501
6.3A125V
51MS
F502
2.5A125V
51MS
FH501
EYF-52BC
FH502
EYF-52BC
FH503
EYF-52BC
FH504
EYF-52BC
RY501
SDT-S-112LMR
1
2
3
4
21
L503
8R200024
DEGAUSS
COIL
CP501
THL-P03P-B1
1
2
L501_1
SS24V-15045
1
2
3
4
R529
2.7K
1/4W
+-1%
D521
1SS133
IS THE LIVE CONNECTION
CAUTION:
T501
81350524
1
10
11
12
13
14
15
16
2
4
5
6
8
9
REPLACE ONLY WITH THE SAME TYPE FUSE
N’UTILISER QUE DES FUSIBLE DE MEME TYPE
CAUTION:
ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
6.3A 125V
6.3A 125V
2.5A 125V
2.5A 125V
THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
NOTE:
IS NON POLAR ONE.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
THE RESISTOR MARKED F IS FUSE RESISTOR.
NOTE:
Q503
2SA1371
SWITHING
Q502
2SA1371
SWITHING
Q508
2SB892
SWITHING
Q513
DTC114ES
5VSWITCHING
Q509
DTC114TS
SWITHING
VR502
470
+B ADJ
D501
GBL06L-6177
1
2
3
4
CP810_1
8283_0812_00_000
1
2
3
4
5
6
7
8
TH501
PTH451A3R0Q11
BLADE
WIDE
BLACK
WHITE
21
CD501_1
0R614909
AC120V 60Hz
S811X
S811Y
S810Y
S810X
L001
KR16TT281807D
DEGAUSS_H
+B
+B
SOUND+B
TV.POWER_H
DEGAUSS_H
P.CON+111V
POWER_FAIL
PROTECT
AT+111V
VCR.POWER_H
SOUND_GND
GND
SOUND+B
AT+30V
POWER_FAIL
UNREG+8V
UNREG+8V
AT+13V
AT+30V
GND1
UNREG+8V
SOUND+B
P.CON+111V
TV.POWER_H
TV.POWER_H
UNREG+8V
AT+111V
PROTECT
WHITE
BLACK
FROM/TO DEFLECTION
31.4
30.9
31.5
10
0.7
16.4
4.2
,2.5A 125V(F502).
6.3A 125V(F501)
6.3A 125V(F501)
,2.5A 125V(F502).
6.4
10.1
7.3
0.2
0
9
2.5
0
0
REG.
START
-
+
O.S.C
T.S.D
O.V.P
LATCH
-
+
SB
SG
5V
12V
DC IN
COL
ADJ
GND
6.3
6.0
5.4
LG
HG
0.6
DRIVE
PCB070
TMX465
1
MOTOR GND
UNREG+8V
AT+13V
UNREG+8V
AT+30V
GND
GND
AT+12V
3.5
0
4.8
170.2
17.9
132.5
170.2
144.5
25.0
0
13.3
13.1
0
9.8
0
117.4
0
9.8
12V
111V
TV POWER SCHEMATIC DIAGRAM
(MAIN PCB)
(CD810)
107.8
109.7
FROM/TO POWER
11.4
4.8
3.2
12.2
12.2
11.4
0
0
5.2
100.5
6.3