Toshiba 20A46C User Manual

ABC D E F GH
ABC D E F GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
SPEAKER
SP1001
YDP512-22
8 OHM
SPEAKER
SP1002
YDP512-22
8 OHM
J1001
MSJ-2000_AG
HEADPHONE JACK
1
2
3
4
5
6
7
L901
100uH
0305
L903
100uH
0305
IC1001 AN17822A
SOUND AMP IC
1 10111223456789
4
3
2
1
CD1001
CH14411A
IC901_1 LA72700V-TLM-E
USA STEREO IC(MONITOR)
1 1011121314 15 16 17 18
19
2
20212223
242526272829
3
30313233343536
4567
89
HS1001
763WAA0160
C1006
4716V KA
C1020
2.250V KA
C1014
2225V KA
CP1001
A2502WV2-4P
1
2
3
4
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
C925
0.1 B
C1015
1B
C943
0.0027
B
C916
2.2 F
C919 0.1 B
C904
1B
C1023
0.0047 B
C1016
0.0047
B
C903
1B
C933
0.01 B
C931
0.1 B
C1022
1B
C950
1B
C935
0.1
B
C1024
3300
16V
YK
C946
4.750V
KA
C948
2216V
KA
C944
4.7
50V
KA
C932
47
16V
YK
C902
47
50V
YK
C929
1050V YK
C914
150V KA
C911
150V KA
C1003
22
16V
KA
C921
1025V KA
C1011
4716V KA
C1012
4716V KA
C942
150V KA
C952
150V KA
C949
4.7
50V
KA
C945
2216V KA
C947
4.7
50V KA
C920
2.250V YK
C926
4716V YK
R1018
47K
1/4W
R1021
27K
R1001
68K
1/4W
R917
3.3M
R918
47K
R906
22K
R914
2.2K
1/4W
R907
22K
R905
100
1/4W
R901
27K
R902
4.7K
R1019
10K
R913
1K
R916
22K
1/4W
R1016
100K
R1003
270K
R1012
100 1/2W
R1013
100 1/2W
R911
8.2K
R1017
10K
R1020
1.8K
1/4W
R915
22K 1/4W
R904
100 1/4W
R1002
47K
R1007
470
1/2W
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN ETANT
ATTENTION
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
Q1003
2SC3052
MUTE SW
Q1001
2SC3052
MUTE SW.
W862
W846
C937
1016V KANP
C936
10
16V
KANP
IC903 NJM2534V
RCH AUDIO SW IC
1234
5678
IC902
NJM2534V
LCH AUDIO SW IC
1234
5678
S808X
SCL
SDA
AUDIO_MUTE
VOLUME
GND
REAR_AUDIO_R
REAR_AUDIO_L
FRONT_AUDIO_R
FRONT_AUDIO_L
GND
SOUND+B
GND
SOUND_GND
FSC
AV1
AV2
P.CON+5V
P.CON+9V
GND
25
0
32
26
3.5
8.2
4.3
BUFFER
BAIAS
0
5
4.6
5.1
4.6
3.5
8.2
4.3
BUFFER
BAIAS
5
0
5.1
4.6
4.6
28
G-8G-7
2.9
0
0
27
FROM MICON/CHROMA/TUNER
FROM POWER
FROM AV
FROM/TO DEFLECTION/CRT
FROM/TO MICON/CHROMA/TUNER
PCB010
CME026
SP OUT L+
SP OUT R+
SP OUT L-
SP OUT R-
6.1
0
3.83.83.83.73.73.78.82.46.1 0 3.8
SIF DEMOD
GND
SAP
BPF
FILTER
Adj.
PILOT DET
ST DET
STEREO
PLL
PILOT
LEVEL DET
-6dB
PILOT
CANCELLER
MODE OUT REGULATOR
LPF
L-R
DEMOD
LPF
SAP
DET
SAP
DEMOD
ST/SAP SW
LPF
LPF
ALC
MATRIX
VREF
Offset Cancel
Spectral In
Spectral RMS DET
Wide RMS DET Spectral DET Wide DET
L-R/SAP
Offset
Cancell
dbx
IIC
DECODE
SYSTEM
CONTROL
To EACH SYSTEMS
SAP DET
L+R
NC
3.8 3.7 3.8 3.8 3.7 5.6 0 2.7 4.9 4.8 2.3 3.2 1.9 4.4 3.8 3.8
4.23.83.83.83.80
SOUND SCHEMATIC DIAGRAM
(MAIN PCB)
R
L
NC
31
0 3.9 0 06.3 8.5 8.6 2.4 2.5 2.1
8.5
8.5
LR
-+-+
2.9
0
0
33

Toshiba 20A46C Specifications

General

Brand	Toshiba
Model	20A46C
Category	TV
Language	English