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Toshiba Manuals
TV
20A44
Service manual
Block Diagrams - Toshiba 20A44 Service Manual
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:
Owner's manual
(33 pages)
,
Service manual
(4 pages)
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Table of Contents
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CH. DOWN
VOL. DOWN
CH. UP
VOL. UP
POWER
OS101
1
D106
Q105
SW
TU001
12
11
10
13
17
IC501
Q504
T502
LTV-817M-VB
RELAY DRIVE
3
FEED BACK
11
D501~D504
RECTIFIER
7
Q502
13
5
Q501
SWITCHING
RY501
RELAY
Q503
PROTECT DRV.
TH501
L503
AUDIO_R IN (FRONT)
J712
DEGAUSS
F501
COIL
AUDIO_L IN (FRONT)
AC IN
J711
E-1
MICON/CHROM IC
IC101 OEC7091B
RGB Proc.2
OSD SW
67
CONTRAST BRIGHTNESS
68
I/O
69
IIC
RGB Proc.1
70
TIM
RGB MATRIX
INT
74
COLOR CONT
PWM
78
AD
76
OSD
66
ROM
72
RAM
71
56
62
Q507
5
FEED BACK
SDA SCL
SW
1
2
4
VIDEO AMP IC
BUFFER
IC702
NJM2234L
3
5
7
SOUND DECORDER IC
IC901 AN5829S
2
2
14
REAR_AV-IN
J701
3
2
23
21
22
2
24
BLOCK DIAGRAM
NC
NC
20
21
30
29
Chroma
Proc.
ACC/C-BPF
APC/KILLER
MCU
TINT/DEMO
CLK
Ver.Proc.
Hor.Proc.
Ver SYNC SEP
SYNC SEPA/Hor. VCO
Ver.COUNT DOWN
Hor.COUNT DOWN
V RAMP
AFC-1/H COINCIDENT
AFC-2 H PHASE
58
37
38
57
V-OUT IC
IC401 LA78040N-E
6
MEMORY IC
PUMP UP
IC199
-
S-24C04BDP-LA
AMP
+
VCC
7
1
2
3
4
6
2
SOUND AMP IC
VIDEO IN (FRONT)
IC1001 AN7522N
J710
3
16
6
30
19
8
TONE CONTROL IC
12
IC302 AN5891SA-E1V
COMB FILTER IC
IC1501 TC9045F
13
15
10
4
32
50
RGB OUTPUT Stage
DRIVE
51
CUT OFF
52
HV BLK
Q607
ATT
34
H.CTL
46
45
Q402
H. DRIVE
Q401
VCXO
H. OUTPUT
16
X601
3.579545MHz
6
5
FB401
1
2
10
HV
3
4
10
2
Q804
RED AMP
Q805
GREEN AMP
Q806
BLUE AMP
11
6
8
B
G
R
CRT
Heater
10
7
F
DY
9
F
S
SPEAKER
SP1001
SPEAKER
SP1002
HEADPHONE
7
JACK
2
J1001
3
5
1
E-2
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Table of Contents
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