Micon - Toshiba 27a43 Service Manual

A B
ACCESORY
8
BT001
R03(AB)E_20_T
TM101
BT002
R25-1919
R03(AB)E_20_T
LED SW
Q101
KTC3875S_Y_RTK
7
R101
560
R103
2.7K
6
TO SOUND
TV_MUTE
FROM TUNER/STEREO
5 AFT
FROM/TO AV
EXT_MUTE
S_IN
AUDIO_SW
4
FROM/TO DEFLECTION
H_CTL
X-RAY
FROM/TO POWER
X-RAY
P.FAIL
3
DEGAUSS_H
GND
POWER
TO COMB FILTER
Y/C_SW
2
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
1
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A B
G-1
C
MICON SCHEMATIC DIAGRAM
OS101
RPM7138-H5
5.0
B+ 3
0
GND 2
4.9
Vout 1
2.7
R109
0
1K
0
R106
560
MICON IC
C142
IC101 OEC7090A
220P CH
4.97
0
H_CTL
AUDIO MUTE
C143 R118
3.09 0.2
220P CH 2.2K 1/4W
EXT MUTE PROTECT
0 4.9
VOLUME 12C_OFF
NC
R110
0 4.48
BBE SW SYNC
10K
3.4 5.0
AFT H SYNC
R112
0 4.8
KEY 1 V SYNC
2.2K
R113
0 4.78
KEY 2 BLUE B
2.2K
2.47 4.84
X RAY GREEN G
R114
5.0 4.84
REMOCON RED R
47K
0 4.75
ON_TIMER BLANK
R119
0
4.97
22K 1/4W
S_IN CLOCK_CNT
NC
C140
4.89 4.92
220P CH
Y/C_SW SDA1
C141
4.89 4.92
220P CH
AUDIO_SW SCL1
0
4.85
NC
NC POWER
4.83 4.85
P FAIL MCU_CLOCK
4.8 4.89
DEGAUSS H RESET
0
3.3
X-RAY TEST CVIN
NC
0
0.81
CNVSS VHOLD
C102
8.1 1.93
X.IN HLF
8MHz
27P CH
X101_1
C104
8.1 1.02
100CT8R005
FILT
X.OUT
27P CH
1
0
5.0
VSS VCC
C109
0.1 B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(MAIN PCB)
4.2
R130 R150
CLAMP SW
0.1
Q103
47K 1/4W KTC3875S_Y_RTK
1K
0
C120 C146
R126 0.001 B 33P CH
100
R127
C131
3.3K
R128
150P CH
3.3K
R129
3.3K
R139
R135
100 1/4W
R140
4.7K
R136
100 1/4W
2
4.7K
R134
10K
C115
820P CH R138
C113 R132
1M
C111
0.1 B 100 1/4W
R131
C122
0.001 B
C119
1K 50V 1 KA
220P CH
R125 C121
C117
10 0.01 B
47P CH
R133
1K 1/4W
W822
CAUTION
:SINCE THESE PARTS MARKED BY ARE ATTENTION
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
TEST POINT
CP101
FROM TUNER/STEREO
J_AUDIO_OUT_R
J_AUDIO_OUT_L
FROM/TO CHROMA
AT+5V
PROTECT
SYNC_OUT
HD
VD
OSD_B
OSD_G
OSD_R
D104
OSD_BLK
1SS133
SW_Y_OUT
RESET
POWER
SDA
SCL
D105
W811
1SS133
FROM/TO SOUND
SDA
SCL
4
3
C128
0.1 B
5.0 5.0 0 5.0
5 6 7 8
4 3 2 1
0 0 0 0
:LES PIECES REPAREES PAR UN ETANT TUNER AUDIO SIGNAL
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
H
8
173979-7
GND 1
I2C_SCL 2
7
I2C_SDA 3
I2C_OFF 4
GND 5
AUDIO L 6
AUDIO R 7
6
CLAMP_OFF
5
4
3
2
PCB010
TMC559
1
H
G-2