Memorex MT1197 Service Manual page 20

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A
B
8
ACCESSORY
TM101
RC-DW010
7
OS101
PIC-37143SY
R143
6
47
5
R115
47K
4
W840
3
2
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-1
C
MICON/TUNER SCHEMATIC DIAGRAM
W835
R128
560
R101
R126
560
2.7K
MICON IC
IC101
OEC7073A
3.2
5.2
AUDIO MUTE
H_CTL
0
EXT MUTE
PROTECT_H
0.8
R118
0
5.2
STANDBY_H
I2C_OFF
47K
0
5.2
NC
SYNC
R139
100
2.69
5
AFT
H.SYNC
R112
4.99
5.2
KEY1
V.SYNC
2.2K
R113
5
4.8
KEY2
BLUE B
2.2K
2.27
4.8
X-RAY
GREEN G
W845
4.95
4.8
REMOCON
RED R
R132
0
5
NC
ON TIMER
BLANK
47K
0
4.98
NC
X-RAY_TEST
CLOCK CONT
0
4.7
NC
AV2
SDA1
0
4.7
NC
AV1
SCL1
0
5.2
NC
DEGAUSS
POWER
4.98
2.8
P.FAIL
FSC IN
C113
0
5.2
RESET
OSC2
12P CH
C114
3.6
CVIN
OSC1
0
12P CH
1
0.9
C120
0
CNVSS
V.HOLD
0.001 CH
W814
0
2.26
Xin
HLF
4.98
1.05
NC
Xout
FILT
C126 0.01 B C127
VSS
VCC
5.2
0
C118
6.3V
330
YK
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.
C
D
E
(MAIN PCB)
TU001
ENV56DB6G3
R607
C003
100
50V
4.7
KA
R110 1K 1/4W
C140_1
0.001 Y
3
4
R123
C136
4.7K
0.1
F
R122
C139
4.7K
0.1
F
R121
4.7K
R120
4.7K
S802Y
D604
MTZJ5.6B
D607
MTZJ5.6B
C130
0.01
B
2
R134
C124
470
0.01 B
C121
220P B
R130
1K
C122
50V
1
KA
R105
4.7K
R133
1K
R106
4.7K
470P B
C101
0.001
CH
4.8
4.8
0
4.9
5
6
7
8
4
3
2
1
0
0
0
0
ATTENTION:
CAUTION:
SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
FROM/TO CHROMA
AGC
GND
IF
TUNER+5V
FROM DEFLECTION/CRT
R002
R001
+B
18K 1/2W
18K 1/2W
X-RAY
FROM POWER
DEGAUSS
TO SOUND/AV
AUDIO_MUTE
FROM/TO CHROMA
H_CTL
PROTECT_H
I2C_OFF
AFT
SYNC
HD
VD
OSD_B
OSD_G
C141
OSD_R
0.1
F
OSD_BLK
R108
SDA
100
R107
SCL
100
CLOCK_CONT
POWER
FSC
W806
RESET
AT+5V
AT+5VBACKUP
Y_VIDEO
TO SOUND/AV
POWER
DEFLECTION SIGNAL
TUNER VIDEO SIGNAL
LES PIECES REPAREES PAR UN
ETANT
R.SIGNAL
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
G.SIGNAL
DANS LA NOMENCLATURE DES PIECES
B.SIGNAL
F
G
H
8
7
6
5
4
3
2
PCB010
TMA525
1
H
G-2

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