Toshiba 20A22 Servicehandleiding - Pagina 24

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Toshiba 20A22 Servicehandleiding
A
B
8
7
6
FROM MICON/TUNER
AUDIO_MUTE
GND
5
FROM/TO DEFLECTION/CRT
GND
FROM/TO AV
GND
FROM POWER
SOUND+B
4
GND
SOUND_GND
FROM CHROMA
STEREO+5V
3
AUDIO_OUT
GND
2
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
C
D
SOUND SCHEMATIC DIAGRAM
SOUND AMP IC
IC1001_1
AN7523
+
-
+ -
+
-
VCC
1
2
3
4
5
6
5.7
4.6
0
4.6
4.1
1.6
W829
S801X
S801Y
R1002
47K
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)
28
GND
7
8
9
0
0
2.9
NC
2.9
MUTE SW.
Q1001
0
KTC3875S_Y_RTK
0
ATTENTION:
CAUTION:
SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
E
F
G
W863
CP1001_1
TID-X02P-B2
33
1
2
LES PIECES REPAREES PAR UN
ETANT
AUDIO SIGNAL
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
7
6
5
4
CD1001_2
CH12403B
SPEAKER
SP1001_2
1
810-47-171
3
2
8 OHM
2
PCB010
TMB540
1
H