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
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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
L103
10uH
NC
NC
2.7
2.8
4.8
3.1
2.7
2.5
2.5
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
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
IN
G
OUT
OUT
R217
1
2
3
4
5
W824
1K
VCO COIL
L207
3700005
NC
C201
3P CH
12
4.5
2.0
0
3.9
5.0
3.8
2.4
3.8
3.9
7.8
4.1
0
3.2
2.8
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
5.2
2.0
2.8
2.4
2.2
0
0.2
0
4.1
4.6
5.4
7.8
5.0
0
24
D609
MTZJ5.6B
R644
D604
2.7K
11E1-EIC
23
R647
560 1/2W
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
R720
100 1/4W
NC
R706
3.2
1.7
1.7
3.4
3.6
3.4
0
23
24
25
26
27
28
1K 1/4W
BUFFER
B1002
Q605
2SC2412K
W4BRH3.5X6X1.0
34
33
32
31
30
29
4.2
4.8
4.5
1.7
1.7
2.6
4.4
7.9
7.9
4.4
2.9
2.28
19
20
21
4.0
BUFFER
Q205
KTC3203_Y
F
G
H
8
7
6
21PIN
J701
0350_9982_05
R702
L702
C701_2
820
10uH
0.0047
B
R714
75
5
R703
10K 1/4W
NC
R707
R715
1K 1/4W
NC
R713
75
68
R708
1K
R709
75
4
S804X
R223
S804Y
R721
75
1/4W
D709
150
1/4W
MTZJ5.1B
S803Y
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