Toshiba 21V13B Manual de serviço - Página 24
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A
B
8
R712
C718
VIDEO OUT
75 1/4W
10V
470
YK
5.2
BUFFER
R719
4.5
Q701
KTA1266
47
0
7
SCART_C_IN
VIDEO IN
R733
FOR VCR
10K
6
L701
R702
L IN
22uH
8.2K
L702
R747
L OUT
22uH
100
L703
R709
R IN
5
22uH
8.2K
L705
R748
R OUT
22uH
100
21PIN JACK
J701
4
035_0_8083_00
L710
GND
GND
22uH
VIDEO IN
VIDEO IN
VIDEO OUT
VIDEO OUT
GND
GND
R751
GND
GND
75 1/4W
21-Y IN
NC
SCART_C_IN
21-R IN
GND
GND
GND
GND
NC
NC
21-G IN
NC
NC
3
NC
GND
GND
FOR VCR
FOR VCR
NC
21-B IN
L IN
L IN
GND
GND
L712
GND
GND
22uH
L OUT
L OUT
R IN
R IN
R OUT
R OUT
2
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
1
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NOMAL.
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-5
C
21PIN/AV SW SCHEMATIC DIAGRAM
L713
10uH 0305
C723
16V
10
KA
L711
R701
22uH
75 1/4W
R711
C717
75 1/4W
10V
470
YK
5.2
C724
BUFFER
R720
Q702
4.5
KTA1266
47
16V
10
KA
0
R736
10K
L706
R705
22uH
8.2K
L704
L707
R750
22uH
22uH
100 1/4W
L708
R710
22uH
8.2K
L709
R749
22uH
100
CAUTION: DIGITAL TRANSISTOR
C
D
E
(MAIN PCB)
VIDEO_SW
IC702
NJM2234L
W853
Vin1
SW1
Vin2
SW2
Vin3
Vcc
1
2
3
4
5
4.9
0
4.9
0
4.9
8.0
C728
16V
10
KANP
25
26
D
E
F
G
V.OUT GND
6
7
8
4.2
0
C743
16V
10
KA
0
RGB SW
Q711
0
2SC2412K
0
F
G
H
8
7
6
FROM/TO SOUND AMP
FRONT_V_IN
SCART_A_IN2_L
SCART_A_IN2_R
SCART_A_OUT2_L
SCART_A_OUT2_R
SCART_A_IN1_L
5
SCART_A_IN1_R
SCART_A_OUT1_L
SCART_A_OUT1_R
FROM/TO MICON/TUNER
AV2
AV1
FORTHD_VCR_2
FORTHD_VCR_1
4
TU/RGB
FROM/TO IF/CHROMA
SCART_C_IN
SCART_V_IN2/Y
SCART_V_IN1
TUNER_V_OUT
SCART_V_OUT2
21_Y
3
21_R
21_G
21_B
2
FROM/TO POWER
P.CON+8V
GND
PCB010
TMA528
1
H
G-6