Toshiba 20A42 Manual de serviço - Página 20

Procurar online ou descarregar pdf Manual de serviço para TV Toshiba 20A42. Toshiba 20A42 36 páginas. Toshiba color television owner's manual 20a42
Também para Toshiba 20A42: Manual do Proprietário (37 páginas), Manual do Proprietário (19 páginas), Manual de serviço (33 páginas), Manual do Proprietário (19 páginas)

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Toshiba 20A42 Manual de serviço
A
B
C
8
RED LED
POWER ON
7
D105
R135
270
SLR-342VCT32
OS101
RPM7138-H5
6
R140
10 1/4W
TO SOUND
AUDIO_MUTE
GND
R125
2.2K
R138
2.2K
5
R112
2.2K
R113
2.2K 1/4W
FROM/TO DEFLECTION/CRT
R115
47K 1/4W
X-RAY
X-RAY_TEST
TO AV
4
GND
AV2
AV1
R114
10K 1/4W
3
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
C
MICON/TUNER SCHEMATIC DIAGRAM
R101
R126
560
2.7K
R128
560
R107
47K 1/4W
MICON IC
IC101
OEC7072A
5.02
0.03
AUDIO MUTE
H_CTL
0.01
0.04
EXT_MUTE
PROTECT
R109
0.04
5.00
STANDBY_H
I2C_OFF
47K
2.2
0.76
R139
100
VOLUME
SYNC
5.02
4.17
AFT
H.SYNC
3
5.02
4.89
KEY1
V.SYNC
4
0
0
KEY2
BLUE B
5
0
X-RAY
GREEN G
R131
5.06
0
REMOCON
RED R
100
0
0
TRAP_OFF(ON_TIMER)
BLANK
W899
S802X
0
5.02
X-RAY_TEST
CLOCK CONT
0
4.92
AV2
SDA1
0
0.66
AV1
SCL1
0
5.02
DEGAUSS_H
POWER
5.01
5.02
P.FAIL
FSC IN
C113
0
0.069
RESET
OSC2
15P CH
C114
0
0
CVIN
OSC1
15P CH
1
0
0.15
C120
CNVSS
V.HOLD
0.001 B
2.24
0.18
Xin
HLF
R130
2.3
0.928
1K
NC
Xout
FILT
C104
0.08
0.01
VSS
VCC
4.9
C118
6.3V
470
YK
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.
D
E
(MAIN PCB)
TU001
ENV56DB6G3
C003
R002
50V
4.7
YK
100
RC-EH030
R004
390K
W810
R110
1K 1/4W
C140
1/4W
0.001 CH
C137
R123
4.7K
50V
0.1
R122
4.7K
R121
4.7K
R120
4.7K
R136
100
R137
100
2
R134
C124
470
0.1 B
C121
220P CH
C122
C103
50V
1
KA
470P CH
R108
1K
B
4.8
4.8
0
4.9
5
6
7
8
4
3
2
1
0
0
0
0
CAUTION:
SINCE THESE PARTS MARKED BY
ARE
ATTENTION:
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
ACCESSORY
BT001
R03(AB)E_20_T
TM101
BT002
R03(AB)E_20_T
R001
1K
1/2W
KA
C129
50V
0.1
KA
C125
50V
0.1
KA
R119
1K
R.SIGNAL
LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
G.SIGNAL
N'UTILISER QUE CELLS DECRITES
B.SIGNAL
DANS LA NOMENCLATURE DES PIECES
DEFLECTION SIGNAL
TUNER VIDEO SIGNAL
F
G
H
8
7
FROM/TO POWER
AT+40V
POWER_FAIL
6
GND
DEGAUSS_H
FROM/TO CHROMA
STEREO+5V
AGC
GND
IF
5
TUNER+5V
PROTECT
AFT
SYNC
HD
VD
I2C_OFF
OSD_B
OSD_G
OSD_R
4
OSD_BLK
SDA
SCL
CLOCK_CONT
POWER
FSC
RESET
3
AT+5V
Y_VIDEO
FROM/TO SOUND
SCL
SDA
2
FROM/TO DEFLECTION/CRT
AT+5V
H_CTL
GND
PCB010
TMB540
1
H