Toshiba 20AF44 Manual de servicio - Página 28

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Toshiba 20AF44 Manual de servicio
A
B
8
FROM/TO CHROMA
V_IN[YUV]
U_IN[YUV]
Y_IN[YUV]
VIDEO_OUT
VIDEO_IN2
VIDEO_IN1
VIDEO_IN3
7
6
FROM/TO TUNER/STEREO
5
J_AUDIO_OUT_R
J_AUDIO_OUT_L
C702
AUDIO_IN1/2[R]
C701
16V
10
KA
AUDIO_IN1/2[L]
16V
10
KA
AUDIO_IN3[L]
AUDIO_IN3[R]
4
FROM/TO MICON
EXT_MUTE
AUDIO_SW
S_IN
3
TO COMB FILTER
S_VIDEO_IN[Y]
S_VIDEO_IN[C]
2
FROM POWER
P.CON+12V
GND
1
A
B
G-13
C
D
AV SCHEMATIC DIAGRAM
C707
R704
16V
16V
10
KA
1K
R702
22 1/4W
R703
2.2K
5.2
C710
4.6
BUFFER
Q709
16V
47
KANP
KTA1504S_Y_RTK
0
AUDIO SW(R) IC
IC701
MM1501XNRE
0
4.5
SW1
Vin1
3.7
0
V.OUT
GND
R701
12.7
4.5
Vcc
Vin2
22
1/4W
AUDIO SW(L) IC
IC702
MM1501XNRE
0
4.5
SW1
Vin1
3.7
0
V.OUT
GND
12.7
4.5
Vcc
Vin2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
28
29
C711
R708
10
KA
1K
MUTE
16V
0.2
Q711
R711
KTC3875S_Y_RTK
0.1
MUTE
0.2
1K
0
Q712
R710
0.1
KTC3875S_Y_RTK
1K 1/4W
0
C727
R734
C724
R728
1 B
1K
1 B
C725
R733
C722
1
B
1K
1
B
C733
16V
22
C719
R745
1 B
1K
C720
R746
1 B
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.
E
F
G
YUV_IN(REAR)
J704
MSP-213V1-652_NI
A/V_OUT(REAR)
J708
MSP-213V2-432_NI
C728
R721
470
YK
68
LINE2(REAR)
J703
MSP-213V2-432_NI
1K
LINE1(REAR)
J701
MSP-213V2-432_NI
R726
1K
S-JACK
J702
YKF51-5503
KA
C734
0.1 B
FRONT-VIDEO
J705
HTJ-032-03AY
FRONT-AUDIO.L
J706
HTJ-032-03AW
LINE3_A_IN_L
FRONT-AUDIO.R
J707
HTJ-032-03AR
LINE3_A_IN_R
PCB010
TMC559
F
G
H
8
7
6
5
4
3
2
1
H
G-14