Micon - Toshiba 14AF46 Service Manual

A B
ACCESSORY
8
BT001
GR03X-SP2
TM101
BT002
RC-GQ020
GR03X-SP2
LED SW
Q101
2SC30521-T1
7
R101
560
R103
2.7K
6
TO SOUND
TV_MUTE
VOLUME
FROM TUNER/STEREO
AFT
5
FROM/TO COMB FILTER/AV
S_IN
220P
Y/C_SW
4
220P
FROM/TO DEFLECTION
H_CTL
X-RAY
FROM/TO POWER
X-RAY
3 P.FAIL
DEGAUSS_H
GND
POWER
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-1
C
MICON SCHEMATIC DIAGRAM
OS101
RPM7138-WH5
5.0
B+ 3
0
GND 2
4.9
Vout 1
2.7
R109
0
1K
0
R106
220P CH
560
MICON IC
C142
IC101 OEC7090B
220P CH
5.0 0
H_CTL
AUDIO MUTE
C143 R118
4.0 0
220P CH 2.2K 1/4W
EXT MUTE PROTECT
R105
0 5.0
VOLUME 12C_OFF
3.3K
R110
0 2.1
BBE SW SYNC
10K
3.2 4.0
AFT H SYNC
R112
5.0 4.8
KEY 1 V SYNC
2.2K
R113
5.0 0
KEY 2 BLUE B
2.2K
2.2 0
X RAY GREEN G
R114
5.0 0
REMOCON RED R
47K
0 0
ON_TIMER BLANK
R119
0 5.0
22K 1/4W
S_IN CLOCK_CNT
NC
C140
CH 0 5.0
Y/C_SW SDA1
C141
5.0 5.0
AUDIO_SW
SCL1
CH
0
5.0
NC
NC POWER
3.5 5.0
P FAIL MCU_CLOCK
5.0 5.0
DEGAUSS H RESET
3.2 2.4
X-RAY TEST CVIN
NC
0 2.0
CNVSS VHOLD
C102 27P CH
2.3 2.0
X.IN HLF
X101_1
100CT8R005
C104 27P CH
1.0
8MHz
FILT
X.OUT
1.7
1
0
5.0
VSS VCC
C109
0.1 B
C
D E
(MAIN PCB)
C145
C125
0.001 B
1.8
R130 R150
0 CLAMP SW
Q103
47K 1/4W 2SC3052-T1
1K
0
C120 C146
R126 0.001 B 33P CH
100
R127
C131
6.8K
R128 6.8K
150P CH
R129
6.8K
R139
R135 4.7K
100 1/4W
R140
R136 4.7K
100 1/4W
2
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
C128
0.1 F
W822
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
F G
TEST POINT
CP101 173979-7
FROM/TO CHROMA
AT+5V
PROTECT
CLAMP_OFF
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 TUNER/STEREO
J_AUDIO_OUT_R
J_AUDIO_OUT_L
4 SDA
SCL
3
FROM/TO SOUND
SDA
SCL
5.0 5.0 0 5.0
5 6 7 8
4 3 2 1
0 0 0 0
F G
H
8
GND 1
I2C_SCL 2
7
I2C_SDA 3
I2C_OFF 4
GND 5
AUDIO L 6
AUDIO R 7
6
5
4
3
2
PCB010
CME017
1
H
14AF46/14AF46C
G-2