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B. AUDIO OUT ABNORMAL
C.VIDEO OUT ABNORMAL
D. AUDIO IN/SPEAKER ABNORMAL
E. VIDEO IN ABNORMAL
AUDIO OUT
ABNORMAL
Check Audio Jack &
Mode
Check Signals from
MPEG
Check +9V
YES
YES
YES
YES
Replace IC(4U3)
VIDEO OUT
ABNORMAL
Check Video Jack &
Mode
Check IC(8U1)
Check Video signals
from MPEG
YES
YES
YES
Check LC Filter
YES
AUDIO IN/SPEAK-
ER ABNORMAL
Check Audio Jack &
Mode S/W
Is Speakers OK
.Replace
Is 7J2 OK .
Replace 7J2
Speakers
Replace IC(5U1)
VIDEO IN
ABNORMAL
Check Video Jack
& Mode
Check 7J2
Is 8Q1 OK .
Replace 8Q1
Refer to LCD part
3-12
Содержание LPA-172G
Страница 7: ...2 1 2 1 SECTION 2 EXPLODED VIEWS CONTENTS EXPLODED VIEWS 2 2 CABINET AND MAIN FRAME SECTION 2 2 ...
Страница 13: ......
Страница 16: ...3 9 3 10 LCD PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW TOP VIEW BOTTOM VIEW ...
Страница 17: ......
Страница 33: ...3 26 2 Y IC604 PIN 21 FIG 9 2 3 C IC604 PIN 26 FIG 93 ...
Страница 37: ......
Страница 50: ...3 54 3 55 MAIN PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...
Страница 51: ...3 56 3 57 2 MAIN P C BOARD BOTTOM VIEW ...