Crt Block - Toshiba 27AF44 Service Manual

A B
8
W821 W822 W823 R813
220 1/4W
FROM CHROMA
CP802B (CP802A)
A2001WV2-7P
7
1 P.CON+8V W808
W820
2 GND(SIGNAL)
3 R.OUT
4 G.OUT
R810
5 B.OUT
1.8K 1/4W
6 CLAMP_OFF
7 VM COIL
6
R814
220 1/4W
W807
R812
1.8K 1/4W
5
R815
KTC4217
220 1/4W
4
W809
D809
R811
1SS133
1.8K 1/4W
3
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
A B
G-17
C
CRT/SVM SCHEMATIC DIAGRAM

CRT BLOCK

TP804
37
R828
RED AMP
Q801
123.5 2.7K 1/4W
KTC4217
7.8
D801 7.3
1SS133
RED AMP
7.3
Q810
3.0
KTC3199_Y
D807 2.4
1SS133
TP805
38
R829
GREEN AMP
Q802
123.9 2.7K 1/4W
KTC4217
J801
ISHS62S
D802 7.8
7.3
582.0
1SS133
117.0
121.0
7
6 8
GREEN AMP 0
0
7.3
Q811 9
3.0 5
KTC3199_Y 0 6.2
4 10
D808 2.4
119.0
11
1
1SS133
F
0
C809
L801
100uH 250V 2.2 YK
TP806
39
R830
BLUE AMP
Q803
2.7K 1/4W
119.7 C808
7.8 2KV 0.0022 B
D803
7.3
1SS133
BLUE AMP
7.3
Q812
3.1
KTC3199_Y
2.5
W805
R832
22 1/2W
C821_1
100P CH
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
ATTENTION
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
(CRT PCB) (CRT PCB)
FROM POWER
CP851B (CP851A)
A2001WV2-4P
4 P.CON+B
3 NC NC
2 GND
W806
1 P.CON+12V
AMP
10.3
Q852
KTC3198
2.0
0.1
R854 R861
33K 1/4W 33K 1/4W
R858
100 1/4W
CAUTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
SVM BLOCK
R855
330 1/2W
W810
11.8
6.0
SWITCHING
2.5
Q855
11.8 SWTCHING
KTC3198
Q856
KTC3198
SWITCHING
2.5
Q858
1.8
2SA1837
R868 C860
110.0
BUFFER
500V 0.0047 B
82
11.8 Q854 108.0
1/4W
KTC3198
5.7
1.9
R876
R863 C857
12K 1/4W
0.001 B
3.9K
1/4W
D852 SWTCHING
C861
Q859
R869 500V 0.0047 B
1SS133 2SC4793
SWTCHING
82 1/4W
2.0
Q857
AMP
5.7 Q853 KTA1266
1.8
2SC752(G)(TM)_Y
0
0
2.0 0
HS851
763WSA0018
(VM COIL PCB)
PCB060
FROM/TO CRT/SVM
TEAA93
CP852B (CP852) CD852_1
CU232001
B2013H02-3P
1
NC 2
3
TO VM COIL
S851
S852
R.SIGNAL
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
G.SIGNAL
DESCRIBED IN PARTS LIST ONLY
B.SIGNAL
F G
H
8
PCB110
TCA391
7
6
5
B853
W5RH3.5X5X1.0
C865
54.5
500V 150P B
R881
220 2W
4
FROM/TO VM
CP852 (CP852B)
A2001WV2-3P
54.5
VM1 1
NC 2
NC
1.0
3
VM2
W811
3
2
1 1
2 2
3 3
1
H
G-18