Block Diagram - Toshiba 20AS22 Service Manual

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CH. UP
VOL. UP
CH. DOWN
VOL. DOWN
POWER
OS101
1
J703
2
J702
2
Q506
PROTECT
Q503
PROTECT
T502
Q504
DRIVE
4
FEED BACK
8
Q502
BUFFER
13
6
Q501
SWITCHING
TU001
11
5
4
1
MICON IC
IC101 OEC7072A
CF601
SAW FILTER
1
AUDIO MUTE
7
KEY2
26
CVIN
34
6
KEY1
RED R
35
GREEN G
36
BLUE B
BLANK
33
9
REMOCON
38
H. SYNC
37
V. SYNC
15
P.FAIL
30
SCL1
31
SDA1
27
RESET
5
6
MEMORY IC
IC199
SDA SCL
S-24C02BDP-1A
29
POWER
42
H-CTL
Q507
FEED BACK
SW
DEGAUSS COIL
L503
D501~D504
RECTIFIER
L501
4
2
1
3
F501
AC IN

BLOCK DIAGRAM

CHROMA IC
IC601 M61250FP
X602
3.579545MHz
34
X' TAL
AUDIO OUT
59
RF AGC OUT
63
VIF IN (1)
64
VIF IN (2)
8.7V REG OUT
31 Y SW OUT
R OUT
23 R IN
G OUT
22
G IN
21 B IN
B OUT
24
FAST BLK
AT5.7V REG OUT
19 INV FBP OUT
FBP IN
20
V PULSE OUT
POWER ON CONT
27
SCL
SDA
H OUT
26
30
P.CON 5.7V REG
MCU RESET
VREG VCC
5
V OUT
TV/Y IN
53 EXT AUDIO IN
38 EXT C in
VIF VIDEO OUT
V-OUT IC
IC401 AN5522
PUMP UP
-
AMP
+
7
5
6
3
IC1001 AN7511
51
2
6
SOUND AMP
IC
4
8
Q606
REG.
47
UNREG + 12V
Q801
14
RED OUT
15
Q802
GREEN OUT
16
Q603
Q803
32
REG.
BLUE OUT
10
Q610
28
COMPOUND
11
Q604, Q605
49
REG.
Q402
42
H. DRIVE
41
Q401
58
H. OUTPUT
DY
FB401
9
1
F
2
S
10
HV
3
SP1001
3
9
7
B
G
R
CRT
Heater
4
F
8
TUNER VIDEO SIGNAL
R. SIGNAL
G. SIGNAL
B. SIGNAL
DEFLECTION SIGNAL
AUDIO SIGNAL
LUMINANCE SIGNAL

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