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From/To Av - Toshiba 14AF41C Service Manual

Color television
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A
B
8

FROM/TO AV

C.OUT
Y.OUT
TUNER_VIDEO
5
R214
390
1
FROM/TO AV
7
2
CD701B
3
CH243001
4
TV BUFFER
Q203
2SA1037AK
L204
2.4
12uH
3.1
0
CF203
EFCT4R5MW5
S803X
6
5
FROM POWER
4
GND_SIGNAL
P.CON+9V
P.CON+5V
GND_POWER
AT+10V
FROM/TO MICON/TUNER
AFT_OUT
3
AGC
IF
2
TO AV
FSC_OUT
TUNER_AUDIO_L
TUNER_AUDIO_R
1
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.
A
B
C
CHROMA/IF SCHEMATIC DIAGRAM
9.0
3.7
AUDIO
3.1
BUFFER
C213
Q201
10V
100
2SC2412K
YK
C212
R205
TV BUFFER
9.0
0.1 B
Q202
4.1
100
2SC2412K
6
3.5
R210
0
4.1
2.4
9.0
2.4
3.7
2.8
3.6
2.4
56
55
54
53
52
51
50
49
48
47
150
1
2
3
4
5
6
7
8
9
10
3.0
5.0
0
0
0
0.1
2.7
3.2
2.1
NC
12
W839
C207
C220
10P CH
0.1 B
W849
C205
R638
S811X
10P CH
C221_1
W860
180 1W
6.2
0.01 F
W844
5
4
3
2
1
1.3
PRE AMP
S807X
OUTOUT G IN IN
Q204
CF202
0.6
2SC2814
SAFGP45M7VHCZR
4.91
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
S802Y
W842
7
W840
9
C615
10V
100
8
YK
C610
0.68 TF
2.5
1.9
2.4
2.5
2.5
2.5
2.7
1.5
0
6.0
4.9
9.0
7.1
4.0
46
45
44
43
42
41
40
39
38
37
36
35
34
33
11
12
13
14
15
16
17
18
19
20
21
22
23
24
2.0
2.9
1.6
5.0
4.8
4.8
4.8
0
2.2
0.1
2.2
2.2
2.2
9.0
NC
C602
0.1 B
13
14
15
D611
S811Y
D613
1SS133
D614
1SS133
1SS133
0.062
SWITCHING
Q604
0.004
DTC114TKA
NC
C935
2.3
2.3
2.3
2.3
0
5.0
24
23
22
21
20
19
18
50V
4.7
KA
DAC
ZAP
IIC Decoder
AGC
OUT SW
AUDIO_L
Switch
L-R Filter
L-R Demod
TP901
Matrix
De-Emph
(L-R)/SAP
75us
L+R Filter
L+R Demod
Filter
Cancel
SAPout
Offset
fH.2fH Trap Filter
Expand
Cancel
Wide Band
RMS Det
Offset
Wide Band
2.3
1
2
3
4
5
6
7
0
2.3
2.3
2.2
2.2
0.4
D
E
F
G
S810Y
6.01
S810X
R639
0.23
SWITCHING
12K
Q605
11
0
DTC114EKA
10
R608
270 1/4W
2.1
0
6.0
3.4
2.0
32
31
30
29
25
26
27
28
5.0
5.0
1.1
9.0
6.0
R625
150K
C636
0.1 B
W816
CAUTION: DIGITAL TRANSISTOR
5.0
0
3.7
3.6
2.6
3.7
17
16
15
14
13
GND
Det
VCA
Det
St.PLL
Pilot
Input
SAP
Cancel
Pilot
Filter
Filter
Filter
Stereo
Noise
SAP
Demod
Filter
Filter
SAP
Wide Band
Spectral
Expand
RMS Det
Det
TUNER AUDIO SIGNAL
dbx De-Emph
Spectral
Spectral
Noise
TUNER VIDEO SIGNAL
Vcc
8
9
10
11
12
5.1
2.4
2.4
0.4
2.3
3.4
LUMINANCE SIGNAL
COLOR SIGNAL
L901
DEFLECTION SIGNAL
22uH
R.SIGNAL
G.SIGNAL
B.SIGNAL
F
G
H
8
FROM/TO MICON/TUNER
SYNC_OUT
SDA
SCL
OSD_B
7
OSD_G
OSD_R
OSD_BLK
R.OUT
6
5
4
FROM/TO DEFLECTION
V.OUT2
H.OUT
AFC
EW_OUT
ABCL
B.OUT
3
G.OUT
R.OUT
2
PCB010
TMA510
1
H

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