Toshiba 20A23 - Block Diagram

OSD
BLOCK DIAGRAM
74
78
70
69
68
67
73
66
ATT
RGB Proc.2
OSD SW
CONTRAST BRIGHTNESS
I/O
IIC
TIM
INT
PWM
AD
MCU
CLK
VCXO
RGB OUTPUT Stage
DRIVE
CUT OFF
HV BLK
Ver.Proc.
Ver SYNC SEP
Ver.COUNT DOWN
V RAMP
20
21
IC1001 AN7511
Q804
RED AMP
Q805
GREEN AMP
Q806
BLUE AMP
Q402
H. DRIVE
Q401
H. OUTPUT
2
6
SOUND AMP
IC
4
8
Q607
H-CTL
SPEAKER
SP1001
52
51
50
34
45
46
9
HV
F
S
FB401
10
1
2
3
CRT
11
6
8
RGB
Heater
F
9
10
PUMP UP
AMP
+
-
75
26
V-OUT IC
IC401 AN5522
VCC
RGB Proc.1
RGB MATRIX
COLOR CONT
ROM
RAM
38
37
26
27
57
58
56 16
Hor.Proc.
SYNC SEPA/Hor. VCO
Hor.COUNT DOWN
AFC-1/H COINCIDENT
AFC-2 H PHASE
1
J711
2
J710
2
DY
D501~D504
RECTIFIER
3
1
4
2
L501
AC IN
F501
Q507
FEED BACK
T501
3
7
13
FEED BACK
SW
Q502
BUFFER
Q501
SWITCHING
5
DEGAUSS COIL
L503
6
5
MEMORY IC
IC199
S-24C04BDP-LA
SDA
SCL
POWER
VOL. DOWN
CH. DOWN
VOL. UP
CH. UP
X601
3.579545MHz
OS101
1
11
Q503
PROTECT DRV.
MICON/CHROM IC
IC101 OEC7091A
Chroma Proc.
ACC/C-BPF
APC/KILLER
TINT/DEMO
IC501
LTV-817M-VB
TU001
10
13
11
12
17
E-1
E-2