Toshiba 21N21E2 Service Manual page 24

Colour television
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A
B
8
7
TO 21PIN/AV SW
FRONT_A_IN_L
FRONT_V_IN3
6
FROM IF/CHROMA
MONO_A_IN
FROM MICON/TUNER
5
A_MUTE
50V
4
FROM POWER
SOUND+B
SOUND_GND
P.CON+8V
GND
P.FAIL
AT+5V_AVDD
3
2
PCB010
TMC572
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-7
C
SOUND AMP SCHEMATIC DIAGRAM
SOUND AMP IC
+
ATT.
RIPPLE
FILTER
CH1
NC
GND
RF
IN
1
2
3
4
0
0
20.5
NC
R1004
6.8K 1/4W
C1003
2.2
KANP
W845
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)
IC1002
AN5276
+
+
-
-
ATT.CONT.
+
CH2
CH2
STAND
CH1
NC
MUTE
GND
VCC
IN
OUT
-BY
OUT
5
6
7
8
9
10
11
12
0
0
0
10.3
1.4
0
21.7
8.2
10.3
NC
R707
100 1/2W
43
HS1002
763WAA0160
45
0
4.9
MUTE
Q1002
DTA124EKA
5.0
W825
D
E
F
G
7.5
C736
BUFFER
R738
Q703
2.8
2SC2412K
1 B
560
3.8
R725
B701
R706
390 1/2W
B702
W4BRH3.5X6X1.0
390 1/2W
W4BRH3.5X6X1.0
CP1002
SPEAKER
A2502WV2-2P
SP351_1
1
1
C109-47-148A
R
4 OHM
2
2
CAUTION: DIGITAL TRANSISTOR
F
G
H
8
7
6
FRONT VIDEO
J703
HTJ-032-03AY
FRONT AUDIO L
J704
HTJ-032-03AW
L715
5
10uH
4
NC
7
6
2
HEADPHONEJACK
3
J702
4
MSJ-2000
5
1
3
2
1
H
G-8

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