Toshiba 14AF43, Service Manual

Page: 21 / 38

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
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
R110
10K
R119
22K 1/4W
R138
1M
R114
47K
R112
2.2K
R113
2.2K
R109
1K
R118
2.2K 1/4W
R133
1K 1/4W
R146
100
1/4W
R136 4.7K
R135 4.7K
R124
1K
1/4W
R145
2.2K
R143
820
R142
820
R141
820
R127
3.9K
R128 3.9K
R129 3.9K
R101
560
R103
2.7K
R106
560
R120
47
1/4W
R102
270
1/4W
R122
1K
R150
1K
R140
100 1/4W
R139
100 1/4W
R134 10K
R130
47K 1/4W
R126
100
R125
10
R131
1K
R137
10K
R132
100 1/4W
C115_1
820P B
C121
0.01 B
C109
0.1 B
C135
10P
CH
C129
100P
B
C126
100P
B
C124
100P
B
C138
0.1
B
C131
150P CH
C128
0.1 F
C106
0.1
B
C140
220P CH
C141
220P CH
C142
220P CH
C143
220P CH
C146
100P CH
C102 27P CH
C104 27P CH
C145
220P CH
C120
0.001 B
C117
47P CH
C119
220P CH
C111
0.001 B
C113
0.1 B
C136
0.1
B
C137
0.1
B
C147 33P CH
C149 33P CH
C148 33P CH
W811
W822
D106
MTZJ5.1B
D113
MTZJ5.6B
C108
10
16V
KA
C110
2200
6.3V
YK
C139
10
16V
KA
C122
1 50V KA
C114
0.47
50V
KA
D105
1SS133
D104
1SS133
Q101
KTC3875S_Y_RTK
LED SW
Q103
KTC3875S_Y_RTK
CLAMP SW
IC199_1
S-24C16AFJA-TB-01
MEMORY IC
1 2 3 4
5 6 7 8
X101_1
100CTR8005
8MHz
SW101
EVQ21505R
CH UP SW103
EVQ21505R
VOL UP
SW102
EVQ21505R
CH DOWN
SW104
EVQ21505R
VOL DOWN
SW105
EVQ21505R
POWER
D109
SLR-342VCT32
POWER ON
CP101 173979-7
1
2
3
4
5
6
7
TM101
R25-1911
BT001
R03(AB)E_2P_G
BT002
R03(AB)E_2P_G
Vout
B+
GND
OS101
RPM7138-H5
1
2
3
IC101 OEC7090A
MICON 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
33
34
35
36
37
38
39
4
40
41
42
5
6
7
8
9
AT+5V
PROTECT
CLAMP_OFF
SYNC_OUT
HD
TV_MUTE VD
OSD_B
OSD_G
OSD_R
OSD_BLK
AFT
SW_Y_OUT
RESET
POWER
SDA
SCL
EXT_MUTE
S_IN
AUDIO_SW J_AUDIO_OUT_R
J_AUDIO_OUT_L
SDA
SCL
SDA
H_CTL SCL
X-RAY
X-RAY
P.FAIL
DEGAUSS_H
GND
POWER
Y/C_SW
MICON SCHEMATIC DIAGRAM
(MAIN PCB)
ACCESSORY
5.0
0
FROM/TO SOUND
FROM/TO TUNER/STEREO
FROM/TO CHROMA
TO COMB FILTER
FROM/TO POWER
FROM/TO DEFLECTION
FROM/TO AV
FROM TUNER/STEREO
TO SOUND
PCB010
TMC559
TEST POINT
NC
NC
NC
NC
BBE SW
AFT
KEY 1
KEY 2
REMOCON
X RAY
SYNC
CNVSS
X.IN
X.OUT
VSS
POWER
SCL1
SDA1
BLANK
RED R
GREEN G
BLUE B
V SYNC
H SYNC
12C_OFF
H_CTL
AUDIO MUTE
ON_TIMER
DEGAUSS H
PROTECT
5.0
4.0
0
0
5.0
5.0
2.2
5.0
0
0
3.5
5.0
3.2
2.3
1.7
0
5.0
1.0
2.0
2.0
2.4
5.0
5.0
5.0
5.0
5.0
0
0
0
0
4.8
4.0
2.1
5.0
0
MCU_CLOCK
CLOCK_CNT
VOLUME
S_IN
X-RAY TEST
I2C_SCL
I2C_SDA
I2C_OFF
AUDIO R
AUDIO L
GND
GND
4
3
5.0
0
4.9
2.7
0
0
Y/C_SW
AUDIO_SW
EXT MUTE
P FAIL
RESET
CVIN
VHOLD
HLF
FILT
VCC
SDA SCL
MODE
VCC
VSS E2 E1 E0
5.0 0 5.0 5.0
0 0 0 0
NC
0
0
3.2
0
5.0
0
1
2
1.8
0
G-1 G-2