Block Diagram - Toshiba 20AS21 Service Manual

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CH UP
VOL UP
MICON IC
CH DOWN
IC101 OEC7063A
VOL DOWN
5
P02/AUDIO MUTE
26
AD6/KEY2
POWER
27
AD5/KEY1
OS101
OUT1/BLANK BL
1
10
INT1/REMOCON
P50/H. SYNC
2
AT+5V
P51/V. SYNC
3
19 XIN
X101
EFOEC8004T4
20 XOUT
29 X-RAY
Q503
Q504
PROTECT
FEED BACK
DRIVE
Q502
BUFFER
Q501
SW
Q507
FEED BACK
SW.
T502
8
6
16
13
UNREG + 12V

BLOCK DIAGRAM

TU001
X602
3.579545MHz
11
5
4
1
CF601
SAW FILTER
CVIN
17
RED R
42
GREEN G
41
BLUE B
40
39
1
2
SCL1
34
SDA1
32
RESET
25
5
6
MEMORY IC
SDA SCL
IC199
S-24C02BDP-1A
J703
1
2
J702
1
2
DEGAUSS COIL
L503
D501~D504
RECTIFIER
L501
3
1
5
2
F501
AC IN
CHROMA IC
IC601 M61206FP
X' TAL
32
AUDIO OUT
50
Q607
62
RF AGC OUT
POWER ON
SW
13
CONT
64
VIF IN (1)
1
VIF IN (2)
8.7V REG OUT
33
40 Y SW OUT
R OUT
30 R IN
14
28
G IN
G OUT
15
20 B IN
B OUT
16
Q603
27
FAST BLK
REG
5.7V REG OUT
41
12 INV FBP OUT
FBP IN
6
29
V PULSE OUT
19
START UP VCC
SCL
5
H OUT
7
10
SDA
5V REG
42
MCU RESET
39
52
EXT AUDIO IN
VREG VCC
55
34
EXT C IN
17
V OUT
V-OUT IC
IC401 AN5522
PUMP UP
-
AMP
+
VCC
7
2
5
6
IC351 AN7511
2
6
SOUND AMP
IC
4
8
Q606
REG
Q801
RED OUT
Q802
GREEN OUT
Q803
BLUE OUT
Q604, Q605
REG
Q402
H. DRIVE
Q401
H. OUTPUT
11
6
8
B
G
R
Heater
10
F
7
DY
FB401
9
1
F
2
S
10
HV
3
SP351
UNREG + 12V
TUNER + 5V
AT+ 5V
CRT

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