Toshiba 14AF41 Service Manual page 26

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A
B
8
7
FROM POWER
P.CON+9V
6
GND_SIGNAL
P.CON+5V_W/B
C714
16V
10
KA
FROM/TO CHROMA/IF
5
TUNER_AUDIO_L
TUNER_AUDIO_R
L701
100uH
W810
TUNER_VIDEO
C.OUT
4
BUFFER
Q701
2SC2412K
C729
Y.OUT
50V
0.47
KANP
FSC_OUT
TO SOUND
32
AUDIO_L
AUDIO_R
FROM/TO MICON/TUNER
3
EXT_MUTE
CV_IN
SCL
SDA
FROM/TO COMB FILTER
CP901
6035B-06Z002-T
1
+9V
2
FSC
2
3
GND
4
C
Y
5
6
VIDEO
1
A
B
C
AV SCHEMATIC DIAGRAM
L703
47uH
C713
R751
R752
16V
10
KA
1K
1K
C705
16V
47
KANP
C785
C784
50V
2.2
KA
AV SW IC
50V
2.2
KA
IC701
MM1311AD
5.4
4.7
5.2
5.4
C730
5.4
4.8
50V
0.1
KA
30
C731_1
5.4
2.5
0.01 F
Vcc
C723
9.0
9.0
4.7
31
R722
82P CH
3.1
S1
0
1.5K
4.0
2.5
C735
BIAS
4.7
4.8
16V
22
KA
5.4
5.8
4.7
4.8
33
4.7
5.4
4.8
4.8
GND
S2
0
0
4.7
4.8
MUTE
0
5.4
R719
SCL
5.0
5.4
220
R701
SDA
ADRESS
220
5.0
0
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)
FROM CHROMA/IF
CD701A
CH243001
C715
R755
5.2
16V
470
YK
75
4.6
BUFFER
Q709
2SA1037AK
0
C728
R723
50V
1
KA
470
C743
R711
50V
2.2
KA
3.9K
C750
R758
1 B
470
C744
R728
50V
2.2
KA
3.9K
C748
0.1 B
R715
D711
MTZJ6.2B
1K
C737
R756
50V
1
KA
470
C747
R740
50V
2.2
KA
3.9K
C722
R757
1 B
470
C745
R734
50V
2.2
KA
3.9K
8.8
C739
R716
BUFFER
C724
Q704
50V
1
KA
470
2.8
2SC2412K
C738
50V
1
KA
5.4
50V
2.2
KA
C740
50V
2.2
KA
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D
E
F
G
YUV_IN(REAR)
J704
JPJ4311-011852
28
29
A/V_OUT(REAR)
J705
JPJ4312-01-432
LINE1(REAR)
J701
JPJ4312-01-432
LINE2(REAR)
J703
JPJ4312-01-432
S-JACK
J702
YKF51-5503
A.V (FRONT)
J710
HTJ-032-03AY
VIDEO3.IN
R786
100 1/4W
J711
HTJ-032-03AW
R732
L3.IN
8.8
3.9K
2.8
BUFFER
J712
Q705
HTJ-032-03AR
2SC2412K
5.4
C725
R739
R3.IN
50V
1
KA
3.9K
F
G
H
8
7
6
5
4
3
AUDIO SIGNAL
2
TUNER AUDIO SIGNAL
TUNER VIDEO SIGNAL
COLOR SIGNAL
LUMINANCE SIGNAL
PCB010
TMA510
1
H

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