Toshiba 27AF44, Руководство по обслуживанию

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A B C D E F G H
A B C D E F G H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
AUDIO SIGNAL(REC)
IC1001 AN5276
SOUND AMP IC
1 10 11 12 2 3 4 5 6 7 8 9
Q1001
DTC114TKA
MUTE
CP1001
A2502WV2-4P
1
2
3
4
IC301
NJM2150AM
BBE IC
1 10
11 12 13 14 15 16 17 18 19
2
20
3 4 5 6 7 8 9
SPEAKER
SP1001
SA04A15BWA
J1001
MSJ-2000_AG
HEADPHONE JACK
1
2
3
4
5
6
7
IC302
AN5891SA-E1V
TONE CONTROL IC
1 10 11 12 13 14 15 16
17 18 19
2
20 21 22 23 24 25 26 27 28 29
3
30 31 32
4 5 6 7 8 9
HS1001
763WAA0215
L301
100uH 0305
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN ETANT
ATTENTION
C1011_1
330
25V
YK
C1003_1
1000
35V
YK
C1007
22
50V
YK
C1008
2.2
50V
YK
C1009
1000
25V
YK
C1004
1000
25V
YK
C1001
0.1 50V YK
C1002
0.1 50V YK
C328
10
50V
YK
C330 100
16V
YK
C305
10
50V
YK
C321
10
50V
YK
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
R301
2.7K 1/4W
R310
10K
R312
10K
R306
20K
R308
20K
R305
20K
R307
20K
R309
10K
R313
1K 1/4W
R1002
390 1/2W R1001
390 1/2W
R1009
10K 1/4W
R314
220K
R311 10K
R1011
10K
R1004
8.2K
R1003
8.2K
R1013
10K
R303
100 1/4W
R304
100 1/4W
R1010
10K
R302
2.7K 1/4W
C320
56P
CH
C322
56P
CH
C326
0.033 B
C324
0.0033 B
C323
0.0033
B
C325
0.033
B
C301
0.033
B
C312
0.01
B
C1005
220P
B
C334
1B
C311
0.1
B
C315
0.1
B
C303
0.01
B
C310
0.033
B
C313
0.01
B
C307
0.015
B
C309
0.039
B
C1012
0.0047
B
C1010
0.0047
B
W803
W858
W835
C332
10
16V
KA
C327
10
16V
KA
C329
10
16V
KA
C333
10
50V
YK
C308
10
50V
YK
C316
10
50V
YK
C306
100
16V
YK
C302
10
50V
YK
C319
10
50V
YK
C318
10
50V
YK
C314
10
50V
YK
C317
10
50V
YK
C304
10
50V
YK
CAUTION: DIGITAL TRANSISTOR
SW_AUDIO_L
SW_AUDIO_R
P.CON+8V[B]
GND
SDA
SCL
BBE_SW
TV_MUTE
SOUND+B
GND
P.CON+12V
SOUND_GND
FROM/TO COMBI/FILTER
8 OHM 5W
PCB010
TMC559
NC NC NC NC
NC NC
0
NC NC
23
(L)
4.8 4.8 4.8 4.8 4.8 4.8
8.9
4.8
4.8 4.8 4.8 4.8 4.8 4.8 4.8 0 8.9
BBE
0 9.5 4.8
NC
RIPPLE
FILTER
+
-
+
NC
-
+
+ ATT.
VCC GND
STAND
-BY OUT
MUTE
OUT
CH2 CH1
GND
CH2
IN IN
CH1
RF
VOL
VOL
ATT.CONT.
0
0
3.6
control
MODE
R IN Vref VCC
PF1 AGC L IN
SURR AGC
+
L ONT VD BD LB LT
GND PF4
PF3 PF2
NC NC
SCL SDA R OUT
NC NC
NC
TD BLD
Balance
/MUTE
Control
Volume 2.2K
+
+
RT RB BB
NC NC
Tone
Control
NC
27
26
1
2
3
4
(R)
(L)
3.9 1.7 3.0 0 3.9 3.9 3.9 0 4.0 4.0 0 0 2.0 2.9 4.0
2.3 7.9 4.5 4.0 0 0 4.0 4.0 4.4 3.0 2.0 0 4.0 3.5 3.5
0 0.2 16.0 0 0.2 0.7 0 16.5 12.7 3.7
SOUND SCHEMATIC DIAGRAM
(MAIN PCB)
FROM TUNER/STEREO
FROM CHROMA
FROM/TO MICON
FROM POWER
0
22
25
24
0.7 0
G-9
G-10