Toshiba MD14FN1 Service Manual page 45

A B
8
19
18
NC NC
7
RESET IC
IC103
R3111N311A/C
NC NC
0.2 0.3
5 4
NC NC
OUT IN GND
1 2 3
5.2 5.2 0
6
D101
1SS133
5
C103
6.3V 220 YK
4
3
2
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
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.
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-15
C
20
21
NC NC NC NC
NC NC NC NC
D106
R119
5.2
10K
MTZJ12B
SW
Q101
4.1
KTA1504S_Y_RTK
4.7
R125
4.7K 1/4W
2
3 1
22 23 24
C124
0.1 F
5.2 2.6 2.9 0 3.9 4.3 0.2 5.1 4.7 5.2 2.4 2.1 0 0 5.2
42 41 40 39 38 37 36 35 34 33 32 31 30 29
1 2 3 4 5 6 7 8 9 10 11 12 13 14
0 0 0 5.2 0 3.2 5.1 0 5.2 3.7 3.7 5.2 5.2 0
NC
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
TUNER VIDEO SIGNAL
LUMINANCE SIGNAL
PLAYBACK VIDEO SIGNAL
B.SIGNAL
TUNER AUDIO SIGNAL
G.SIGNAL
R.SIGNAL
C
D E
MICON/TUNER SCHEMATIC DIAGRAM
R140
R144
100
R141
2.7K
R145
2.7K
L101
2.7K
56uH
25
26
5.0 4.2 0 0 0 0
28 27 26 25 24 23 22
15 16 17 18 19 20 21
0 2.3 5.2 5.2 4.1 0 5.2
V-BUFFER
Q105
KTC3875S_Y_RTK
5.0
0
0
4.0 4.0 0 5.2
5 6 7 8
4 3 2 1
0 0 0 0
D E
F G
(AV PCB)
FROM/TO I/O
SCL
SDA
I2C_OFF
REMOCON
KEY_A
KEY_B
POWER_ON_H
FROM/TO VIF/SIF/CHROMA
OSD_Y
OSD_B
OSD_G
OSD_R
SDA
SCL
POWER_ON_H
W804
SYNC_VIDEO
H_CONTROL
PROTECT
TUNER_VIDEO
SWD_V_OUT
HD
FROM/TO DEFLECTION
VD
X-RAY
+30V
FROM/TO POWER
POWER_FAIL
GND
R159
FROM/TO REGULATOR
33K 1/4W
W837
POWER_ON_H
DVD_RESET
DVD_H
RX
TX
P.CON+5V
AT+5.6V
GND
FROM/TO SOUND AMP
POWER_ON_H
A_MUTE
VOL_PWM
FROM/TO STEREO
TUNER_AUDIO
SCL
SDA
F G
H
8
7
6
5
4
3
2
PCB250
TMB555 1
H
G-16