Micon/Tuner - Toshiba MD20FM1 Service Manual

A B
8
7
RESET IC
IC102 PST600C
1 2 3
5.0 0 5.0
6
D101
1SS133
5
C103
6.3V 220 KA
4
3
FROM/TO OPERATION
C132
CP102 A2001WR2-9P
0.1 F
1 REMOCON OUT
W828
2 GND NC
C133
3 AT+5.6V
0.1 F
4 POWER ON LED
C134
5 NC
0.1 F
6 KEY A
7 NC C135
2
8 NC
0.1 F
9 KEY B
1
CAUTION: SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
A B
G-11
C
MICON /TUNER SCHEMATIC DIAGRAM
D104
MTZJ5.1B R125
10K
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
42 41 40 39 38 37 36 35 34 33 32 31 30
1 2 3 4 5 6 7 8 9 10 11 12 13
0 0 0 5.2 0 3.2 5.1 0 5.2 3.7 3.7 5.2 5.2 0
NC NC
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
ATTENTION: LES PIECES REPAREES PAR UN ETANT
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DANS LA NOMENCLATURE DES PIECES
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(AV PCB)
TU001
NC
R140
100 R144
R141 4.7K
4.7K R145
25
4.7K
26
0 5.2 5.0 4.2 0 0 0 0
29 28 27 26 25 24 23 22
14 15 16 17 18 19 20 21
0 2.3 5.2 5.2 4.1 0 5.2
NC
V-BUFFER
Q105
5.0
H-BUFFER
2SC2412K
Q103
4.2
2SC2412K 0
0
0
0
4.0 4.0 0 5.2
5 6 7 8
4 3 2 1
0 0 0 0
LUMINANCE SIGNAL
B.SIGNAL
G.SIGNAL
R.SIGNAL
D E
F G
FROM/TO DEFLECTION
TECC1040PG32D CD403
SCL
NC NC NC NC
SDA
R005
I2C_OFF
15K R174
TUNER_AGC
100
NC
FROM/TO I/O
TV/DVD
EXT_MUTE
FROM/TO VIF/SIF/CHROMA
TUNER_AGC
TUNER_IF
SDA
SCL
OSD_Y
OSD_B
OSD_G
OSD_R
POWER_ON_H
SYNC_VIDEO
AFT
0.3
R178
BUFFER
TV/DVD
Q109 0.6
4.7K
2SC2412K
0
FROM/TO POWER
TX
X-RAY_TEST
P.CON+30V
CHROMA+5V
POWER_ON_H
DVD_RESET
POWER_FAIL
GND
RX
R159
VD
33K R161
AFC
10K
AT+5.6V
DEGAUSS_H
W812
FROM/TO AV SW
SWD_V.OUT
SDA
W816
SCL
GND
FROM/TO SOUND AMP
POWER_ON_H
A_MUTE
SDA
SCL
FROM/TO STEREO
SDA
SCL
CAUTION: DIGITAL TRANSISTOR
TUNER VIDEO SIGNAL
PLAYBACK VIDEO SIGNAL
F G
H
8
CP101
TKC-M06X-A1
GND 1
I2C SCL 2
I2C SDA 3
I2C OFF 4
AGC 5
6
7
6
5
4
3
2
PCB250
TMA503
1
H
G-12