Toshiba MD9DM1R Service Manual page 56

A B
TU001 TECC1040PG32E
8
NC NC NC NC NC
7
AT+30V
TUNER_AGC
SCL
SDA
CHROMA+5V
TUNER_IF
OS101
6
PIC-37143SY
RESET IC
IC103
PST3245NR
NC NC
0.2 0.3
5 4
NC NC
OUT IN GND
1 2 3
4.9 4.9 0
W809
5
4
LED ON SW
Q101
KRC103SRTK
4.5
0.1 0
3
2
CAUTION: SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
1
ATTENTION: LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
A B
G-17
C
MICON/TUNER SCHEMATIC DIAGRAM
C118
1
B
D104
22 23
MTZJ5.1B
R125
10K
X101
CSTLS16M0X53-A0
2
3 1
24
4.9 0 0 0 4.0 4.4 0.3 4.9 4.7 4.9 2.3 2.1 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 0 0 0 0 4.9 4.5 4.9 4.9 4.8 4.8 4.8 4.9 NC
R113 R121 R124 R128 R131 R133
820 1K 1.5K 2.7K 5.6K 820
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
(AV PCB)
R140
100 R144
R141 4.7K
4.7K R145
V-BUFFER
4.7K
Q105
KTC3875S_Y_RTK
H-BUFFER
4.7
Q103
KTC3875S_Y_RTK 0
25 26 4.1 0
0
0
4.9 4.7 4.1 0.1 0.1 0.1 0.1
28 27 26 25 24 23 22
0.3
R189
0.7
4.7K
0
BUFFER
Q111
KTC3875S_Y_RTK
15 16 17 18 19 20 21
4.9 2.5 4.9 4.9 3.9 0.1 4.9
4.0 4.3 0 4.9
5 6 7 8
R136 R138
1K 1.5K
4 3 2 1
0 0 0 0
CAUTION: DIGITAL TRANSISTOR
D E
F G
TEST POINT
CP101 07JQ-ST
GND
SCL
I2C SCL
SDA
I2C SDA
I2C_OFF
I2C OFF
R174
TUNER_AGC
AGC
AUDIO_OUT_L 100 1/4W
AUDIO OUIT L
AUDIO_OUT_R
AUDIO OUT R
FROM/TO I/O
AUDIO_OUT_L
AUDIO_OUT_R
TV/DVD
EXT_MUTE
FROM/TO AV SW
SWD_V_OUT
SDA
SCL
FROM/TO STEREO
SDA
SCL
FROM/TO VIF/SIF/CHROMA
OSD_Y
OSD_B
OSD_G
OSD_R
TUNER_AGC
TUNER_IF
SDA
SCL
SYNC_OUT
AFT
PROTECT-H
W804
FROM/TO SOUND AMP
POWER_ON_H
A_MUTE
VOL_PWM
FROM/TO REGURATOR
GND
AT+30V
CHROMA+5V
POWER_ON_H
DVD_RESET
P.FAIL/X-RAY_IN
RX
TX
VD
AFC
X-RAY_TEST
AT+5V
F G
H
8
1
2
3
4
5
6
7
7
6
5
4
3
2
PCB250
TMB547
1
H
G-18