Toshiba 21V33F2 Manuel d'entretien - Page 22

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Toshiba 21V33F2 Manuel d'entretien
A
B
8
L206
CF304
0.22uH
7
MKT40.4MA110P
0
R304
0.7
SECAM VL SW
1K 1/4W
0.7
0
Q303
0
2SC2412K
0
SECAM VL SW
SIF SAW FILTER IC
Q304
DTC124EKA
6
IN
IN
GND
1
2
3
D301
MA77
IF AMP
Q302
KTC3881S-RTK
0.3
R307
1.1
100K 1/4W
0
5
5.1
L302
C304
1.1
SIF PRE.AMP
Q301
0.22uH
0.001 B
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
Q201
1.5
0.022 B
KTC3881S-RTK
0.9
CF202_1
J1981M
IN
IN
G
OUT
OUT
1
2
3
4
5
CF301
K9650M
R301
1K
OUT
OUT
4
5
2.5
2.5
3.0
3.2
2.8
2.5
2.5
1.4
2.1
0
4.0
5.0
1
2
3
4
5
6
7
8
9
10
11
12
56
55
54
53
52
51
50
49
48
47
46
45
1.9
4.0
0
5.1
4.9
4.9
4.1
0.7
0.9
5.7
5.6
8.0
R626
10K 1/4W
23
24
8.2
0
0.4
H CONT
Q601
2SC2412K
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.
C
D
E
(MAIN PCB)
5.1
4.0
SIF BUFFER
Q204
3.3
2SC2412K
R206
1K
L204
10uH
R217
1K
CF201
TPWA02B
R634
14
VCO
L202
75 1/4W
3700005
13
16
NC
C201
17
C637
3P CH
C630
15
68P CH
68P
CH
NC
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
13
14
15
16
17
18
19
20
21
22
23
24
25
26
44
43
42
41
40
39
38
37
36
35
34
33
32
31
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
22
20
D603
1SS133
D609 SB140-EIC
D605
W839
MTZJ6.2B
D604
11E1-EIC
R603
1K
D
E
F
G
W823
11
18
S802Y
2.5
0
27
28
30
29
2.3
4.5
8.2
BUFFER
Q609
2SC2412K
4.5
3.9
19
21
CAUTION: DIGITAL TRANSISTOR
F
G
H
8
TO STEREO
MONO_A_IN
SIF_IN
7
GND
FROM/TO 21PIN/AV SW
TUNER_V_OUT
SCART_V_OUT2
SCART_V_IN1
SCART_V_IN2/Y
SCART_C_IN
21_B
21_G
6
21_R
21_Y
FROM POWER
P.CON+5V
P.CON+8V
GND
FROM/TO DEFLECTION/CRT
5
G.OUT
R.OUT
B.OUT
VAMP
H_OUT
AFC
ABCL
V_OUT
4
FROM/TO MICON/TUNER
CVBS_TXT
OSD_B
OSD_G
OSD_R
OSD_FB
PROTECT
H_CONT
V_OUT
SCL
SDA
RF_AGC
3
SECAM_VL_H
IF
2
PCB010
TMC572
1
H
G-4