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Toshiba VTD21FQR Service Manual page 14

Combination 21" flat tv and dvd video player tele text

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A
B
8
TO AUDIO SW
7
DVD_AUDIO_L
DVD_AUDIO_R
FRONT_A_IN_L
FRONT_A_IN_R
L4202
100uH 0305
TO CHROMA/SIF/VIF/21PIN
R4205
6
FRONT_VIDEO
10
FROM REGULATOR
5
P.CON+5V
P.CON+5V_A
W874
R4214
SPDIF-134
10
1/2W
P.CON+12V
DVD_A_OUT_L
0
DVD_A_OUT_R
ZERO
2.9
0
MUTE DET
GND
Q4203
DTC144EKA
4
FROM MICON/TUNER
KEY_1
R4208
KEY_2
10K
3
C4206
R4201
R4211
DVD_A_OUT_L
50V
2.2
KA
10K
C4207
R4202
R4212
DVD_A_OUT_R
50V
2.2
KA
10K
R4213
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A
B
H-17
C
4.9
D AUDIO DRIVER
1.6
Q4201
2SC2412KT146 R,S
1.2
R4216
C4215
B4201
68
0.1
B
W5RH3.5X5X1.0
C4220
R4229
0.0015
B
12K
R4224
10K
R4231
C4231
10K
R4234
16V
22
KA
100 1/4W
5.2
5.2
5.2
0
4
3
2
1
-
+
100K
+
-
5
6
7
8
5.2
5.2
5.2
10.4
C4232
R4235
16V
22
KA
100
1/4W
C4222
R4228
100K
0.0015
B
12K
R4223
10K
10K
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D
E
IN/OUT SCHEMATIC DIAGRAM
(AV PCB)
E
1
COAXIAL
J4201
2
MSP-251V-05NI-FE-LF
H
C4224
100P
CH
FRONT_A_IN_R
FRONT_A_IN_L
FRONT_VIDEO
39
5.2
5.2
MUTE SW.
Q4210
0
DTA143EKA
0
5.2
R4239
MUTE SW.
0
0
Q4209
1K
MUTE SW
DTC124EKA
0
40
Q4212
0
2SC2412KT146 R,S
0
0
MUTE SW
0
Q4211
2SC2412KT146 R,S
CAUTION: DIGITAL TRANSISTOR
D
E
F
G
SKIP+
SW2201
EVQ21505R
SKIP-
SW2202
EVQ21505R
STOP
SW2206
EVQ21505R
OPEN/CLOSE
SW2207
EVQ21505R
PLAY
SW2204
EVQ21505R
CH UP
SW2208
EVQ21505R
CH DOWN
SW2209
EVQ21505R
VOL +
SW2210
EVQ21505R
VOL -
SW2211
EVQ21505R
R4241
R4244
1K
1/4W
1K 1/4W
NC
NC
H
NC
H
NC
H
NC
2
3
2
3
2
3
1
1
1
E
E
E
RED
YELLOW
WHITE
AUDIO SIGNAL
CAUTION: DIGITAL TRANSISTOR
AUDIO SIGNAL(PB)
DIGITAL AUDIO SIGNAL(PB)
F
G
H
8
7
6
5
4
3
2
PCB250
CME033
1
H
H-18

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