Toshiba MD9DM3 Service Manual page 52

A B
TU001 TECC1040PG32D
8
NC NC NC NC NC
7
AT+30V
CHROMA+5V
TUNER_AGC
SCL
SDA
TUNER_IF
OS101
6
PIC-28143SY-2
RESET IC
IC102 PST600C
1 2 3
4.95 0 4.99
5
4
LED ON SW
Q101
DTC124EKA
4.5
0.1 0
3
2
1
ATTENTION: LES PIECES REPAREES PAR UN ETANT CAUTION: SINCE THESE PARTS MARKED BY
DANGEREUSES AN POINT DE VUE SECURITE CRITICAL FOR SAFETY,USE ONES
N'UTILISER QUE CELLS DECRITES DESCRIBED IN PARTS LIST ONLY
DANS LA NOMENCLATURE DES PIECES
A B
G-11
C
MICON/TUNER SCHEMATIC DIAGRAM
C118
1 B
D104
22 23
MTZJ5.1B
R125
10K
X101
CSTLS16M0X53-A0
2
3 1
24
4.75 3.0 3.1 0 5.01 5.0 4.79 4.74 4.5 4.82 2.10 1.50 0 0
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 3.2 0 4.76 4.80 3.18 4.83 4.85 3.64 3.62 4.78 4.80 0 0
4.64
NC
NC
R113 R121 R124 R128 R131
820 1K 1.5K 2.7K 5.6K
ARE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(AV PCB)
R140
100 R144
R141 4.7K
4.7K R145
4.7K
V-BUFFER
2SC2412K
4.7
H-BUFFER
Q103
2SC2412K
25 26 0
4.1
0
0
4.79 4.82 4.83 0 0 0 0
28 27 26 25 24 23 22
0.3
R189
BUFFER
Q111
0.7
4.7K
2SC2412K
0
15 16 17 18 19 20 21
2.20 3.4 2.04 3.81 0 4.80
4.89 4.95 0 4.9
5 6 7 8
R133 R136 R138
820 1K 1.5K
4 3 2 1
0 0 0 0
CAUTION: DIGITAL TRANSISTOR
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
D E
F G
GND
SCL
I2C SCL
SDA
I2C SDA
I2C_OFF
I2C OFF
R174
TUNER_AGC
AGC
100 1/4W
NC
TO IN/OUT
TV/DVD
EXT_MUTE
FROM/TO AV SW
SWD_V.OUT
SDA
SCL
FROM/TO STEREO
SDA
SCL
Q105
FROM/TO VIF/SIF/CHROMA
0
OSD_Y
OSD_B
OSD_G
OSD_R
TUNER_AGC
TUNER_IF
SDA
SCL
AFT
W804
SYNC_OUT
POWER_ON_H
TO SOUND AMP
POWER_ON_H
A_MUTE
VOL_PWM
FROM/TO POWER
GND
AT+30V
CHROMA+5V
POWER_ON_H
DVD_RESET
P.FAIL/X-RAY_IN
RX
TX
VD
AFC
AT+5V
X-RAY_TEST
FROM/TO DEFLECTION
CD001
GND
F G
H
TEST POINT
CP101
TKC-M06X-A1
8
1
2
3
4
5
6
7
6
5
4
3
2
PCB250
TMX486
(CP402)
1
CH01423A
1
H
G-12