Toshiba 21V33E2 Panduan Servis - Halaman 22

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Halaman Cetak
A
B
8
L206
0.22uH
7
SIF SAW FILTER IC
CF301
K9650M
6
IN
IN
1
2
D301
MA77
5
5.1
L302
C304
1.1
SIF PRE.AMP
Q301
0.001 B
0.22uH
KTC3881S-RTK
0.3
4
3
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-3
C
IF/CHROMA SCHEMATIC DIAGRAM
7.0
VIF PRE.AMP
C204
1.5
Q201
0.022 B
SAW FILTER
KTC3881S-RTK
0.9
CF202_1
J1981M
IN
IN
G
OUT
OUT
1
2
3
4
5
R301
GND
OUT
OUT
1K
3
4
5
0
2.5
2.5
3.0
3.2
2.8
2.5
2.5
1.4
2.1
0
4.0
1
2
3
4
5
6
7
8
9
10
11
56
55
54
53
52
51
50
49
48
47
46
1.9
4.0
0
5.1
4.9
4.9
4.1
0.7
0.9
5.7
5.6
R626
10K 1/4W
24
23
H CONT
Q601
8.2
2SC2412K
0
0.4
C
D
E
(MAIN PCB)
5.1
4.0
SIF BUFFER
Q204
3.3
2SC2412K
R206
1K
L204
10uH
R217
1K
R634
75
1/4W
VCO
L202
3700005
13
NC
16
15
C637
C201
C630
68P CH
3P CH
68P CH
NC
5.0
3.5
2.1
3.9
3.9
8.0
3.7
0
3.2
2.7
3.2
1.7
1.9
2.5
2.5
12
13
14
15
16
17
18
19
20
21
22
23
24
25
45
44
43
42
41
40
39
38
37
36
35
34
33
32
8.0
4.4
0
5.0
2.4
1.5
1.5
2.9
0
4.0
4.0
4.0
3.8
2.3
2.3
20
D603
1SS133
D605
D609
SB140-EIC
MTZJ6.2B
W839
D604
11E1-EIC
R603
1K
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
W823
11
14
17
18
S802Y
2.5
0
26
27
28
31
30
29
8.2
2.3
4.5
BUFFER
Q609
2SC2412K
4.5
19
3.9
21
F
G
H
8
TO STEREO
MONO_A_IN {4}
SIF_IN {4}
7
GND {1,3,4,5,6,7}
FROM/TO 21PIN/AV SW
TUNER_V_OUT {3}
SCART_V_OUT2 {3}
SCART_V_IN1 {3}
SCART_V_IN2/Y {3}
SCART_C_IN {3}
21_B {3}
21_G {3}
6
21_R {3}
21_Y {3}
FROM POWER
P.CON+5V {1,4,7}
P.CON+8V {3,4,5,6,7}
GND {1,3,4,5,6,7}
5
FROM/TO DEFLECTION/CRT
G.OUT {6}
R.OUT {6}
B.OUT {6}
VAMP {6}
H_OUT {6}
AFC {1,6}
ABCL {6}
V_OUT {1,6}
4
FROM/TO MICON/TUNER
CVBS_TXT {1}
OSD_B {1}
OSD_G {1}
OSD_R {1}
OSD_FB {1}
PROTECT {1,6}
H_CONT {1}
V_OUT {1,6}
SCL {1,4}
SDA {1,4}
RF_AGC {1}
3
IF {1}
2
PCB010
TMC572
1
H
G-4