Toshiba 14N21E2 Service Manual - Page 22

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Toshiba 14N21E2 Service Manual
A
B
8
7
FROM POWER
6
P.CON+8V
GND
P.CON+5V
5
4
FROM/TO SOUND AMP
SCART_AUDIO
FRONT_VIDEO_IN
SW_AUDIO_IN
AUDIO_OUT
FROM/TO MICON/TUNER
3
IF
RF_AGC
SDA
SCL
HD
PROTECT
2
1
A
B
G-3
C
CHROMA/SIF/VIF/21PIN SCHEMATIC DIAGRAM
C212
0.01 B
7.0
L206
C204
VIF PRE.AMP
Q201
1.5
0.22uH
0.022 B
KTC3881S-RTK
0.8
IN
1
L103
10uH
NC
NC
2.7
2.8
4.8
3.1
2.7
2.5
2.5
4.5
1
2
3
4
5
6
7
8
56
55
54
53
52
51
50
49
1.5
4.5
0
4.9
5.0
5.0
4.2
5.2
560 1/2W
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
SIF BUFFER
5.0
Q204
3.9
2SC2412K
3.2
C629
R208
1K
16V
10
KA
L204
SAW FILTER
CF202_1
J1981M
5.6uH
13
IN
G
OUT
OUT
R217
2
3
4
5
W824
1K
VCO COIL
L207
3700005
NC
C201
3P CH
12
2.0
0
3.9
5.0
3.8
2.4
3.8
3.9
7.8
4.1
0
3.2
2.8
3.2
9
10
11
12
13
14
15
16
17
18
19
20
21
22
48
47
46
45
44
43
42
41
40
39
38
37
36
35
2.0
2.8
2.4
2.2
0
0.2
0
4.1
4.2
4.6
5.4
7.8
5.0
0
24
D609
MTZJ5.6B
R644
D604
2.7K
11E1-EIC
23
R647
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D
E
F
G
11
14
16
17
18
R702
820
R720
100 1/4W
NC
R706
1.7
1.7
3.4
3.6
3.4
0
23
24
25
26
27
28
1K 1/4W
R707
1K 1/4W
R708
1K
BUFFER
B1002
Q605
2SC2412K
W4BRH3.5X6X1.0
34
33
32
31
30
29
R223
4.8
4.5
1.7
1.7
2.6
4.4
7.9
7.9
75
4.4
2.9
2.28
19
20
21
4.0
BUFFER
Q205
KTC3203_Y
S803Y
F
G
H
8
7
6
21PIN
J701
0350_9982_05
L702
C701_2
10uH
0.0047
B
R714
75
5
R703
10K 1/4W
NC
R715
NC
R713
75
68
R709
75
4
S804X
S804Y
R721
1/4W
D709
150
1/4W
MTZJ5.1B
FROM/TO DEFLECTION/CRT
B.OUT
G.OUT
R.OUT
3
H_OUT
VAMP
ABCL
AFC
V_OUT
FROM/TO MICON/TUNER
VIDEO_OUT
FOR_VCR
V_OUT
CVBS_TXT
OSD_B
2
OSD_G
OSD_R
OSD_FB
PCB010
TMC571
1
H
G-4