Memorex MT1120S, Руководство по обслуживанию

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A B C D E F G H
A B C D E F G H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
CAUTION: DIGITAL TRANSISTOR CAUTION: DIGITAL TRANSISTOR
Q702
DTC114EK
MUTE_SW
Q701
DTA144EKA
MUTE_SW
CP703B
8283_0512_00_000
1
2
3
4
5
IC703 NJM2234L VIDEO AMP IC
1 2 3 4 5 6 7 8
CP701B
8283_0812_00_000
1
2
3
4
5
6
7
8
EE
H1
NC
H1
H2
J703_1
AV3-19DS-1
R_A/V_IN (STEREO)
1 23
4
5 6
EE
H1
NC
H1
H2
J704_1
AV3-19DS-1
R_A/V_OUT (STEREO)
1 2
3
4
5 6
Q706
2SA1037AK
BUFFER
AUDIO SIGNAL
Q707
2SC2412K
MUTE
Q705
2SC2412K
MUTE
D701
MTZJ12B
D707
MTZJ6.8B
D702
MTZJ6.8B
D709
MTZJ6.8B
D706
MTZJ6.8B
D705
MTZJ12B
D711
MTZJ6.8B
D708
MTZJ6.8B
D703
MTZJ12B
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
R724_1
75 1/4W
R711
1K 1/4W R709
1K
R749
2.2K
R703
1K
R704
1K
R716
1K
R760
47 1/4W
R729
1K
R727
1K
R708
75
R702
10 1/4W
R721
1K 1/4W
R720
1K 1/4W
R740
75
C712_1
470
10V
YK
C720_1
10
50V
YK
C706_1
1
50V
YK
C704
10 16V KA
C703
10 16V KA
C705
4.7
50V
K
A
C702
10 16V KA
C701
10 16V KA
C719_1
10
50V
YK
C708
33P
CH
C707 0.022
F
C726
10 16V KA
C730
10 16V KA
C722
470 10V YK
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.
NOTE:
TUNER VIDEO SIGNAL
W814
W808
A_IN_R
FRONT_AUDIO_R
GND
A_IN_L
FRONT_AUDIO_L
GND
GND FRONT_VIDEO_IN
GND
REAR_AUDIO_R
REAR_AUDIO_L
AUDIO_OUT_R
AUDIO_OUT_L
GND
SOUND_OUT_L
SOUND_OUT_R
P.CON+5V
EXT_MUTE
AV2
AV1
VIDEO
VIDEO_IN
Y_VIDEO
AT+5V
FROM/TO SOUND AMP
FROM MICON/TUNER
SW1 VIN 1 VIN2 SW2 GND VOUT VT VIN3
0.0 4.0 5.0 5.5 5.0 5.5 5.0 5.5
FROM STEREO JACK
TO STEREO JACK
(MAIN PCB)
AV SCHEMATIC DIAGRAM
G-12 G-11
FROM/TO CHROMA
TMX474
PCB010
GND
R+OUT
R-OUT
L+OUT
L-OUT
NC
NC
FRONT_VIDEO_IN
GND
A_IN_L
A_IN_R
GND
GND
NC
4.4
4.4
0
0
0
5.0
0
0
0
0
0
0
0
4.5
5.2