Toshiba 21V33E2 Manual de servicio - Página 25

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A
B
8
FROM/TO STEREO
FRONT_A_IN_R {4}
FRONT_A_IN_L {4}
7
SOUND_L {4}
SOUND_R {4}
TO 21PIN/AV SW
FRONT_V_IN3 {3}
6
C1001_1
50V
1
KA
FROM MICON/TUNER
C1002_1
5
A_MUTE {1}
50V
1
4
FROM POWER
SOUND+B {7}
SOUND_GND {7}
P.CON+8V {2,3,4,6,7}
GND {1,2,3,4,6,7}
P.FAIL {1,7}
AT+5V_AVDD {1,7}
3
2
PCB010
TMC572
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-9
C
SOUND AMP SCHEMATIC DIAGRAM
SOUND AMP IC
+
ATT.
RIPPLE
FILTER
CH1
NC
GND
RF
IN
1
2
3
0
0
20.5
NC
R1003
10K
R1004
10K 1/4W
KA
W845
4.9
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
4
5
6
7
8
9
10
11
12
0
0
0
10.3
1.4
0
21.7
8.2
10.3
R707
100 1/2W
43
HS1002
763WAA0160
44
45
0
MUTE
Q1002
DTA124EKA
5.0
W825
D
E
F
G
7.5
C736
BUFFER
R738
Q703
2.8
2SC2412K
1 B
4.7K
3.8
BUFFER
Q704
2SC2412K
7.5
C737
R739
2.8
1
B
4.7K
3.8
R725
B701
R706
390 1/2W
B702
W4BRH3.5X6X1.0
390 1/2W
W4BRH3.5X6X1.0
CP1001
SPEAKER
A2502WV2-4P
RED
R
1
1
SP351_1
2
2
SG05B01BWA
4 OHM
3
3
SPEAKER
4
4
L
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
FRONT AUDIO R
J705
HTJ-032-03AR
L716
10uH
4
7
6
2
HEADPHONE JACK
3
J702
4
MSJ-2000
5
1
3
2
1
H
G-10