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AKAI AFT-505 (5" TFT LCD COLOR TV) Service Manual
3、Fault Description: No Color
YES
Readjust
image
accompaniment system.
Check crystal Z1 and
capacitance C74
Star
Received signal is too
weak to work
Check the image and accompaniment system
is it chose correctly and the color is it kept
off.
and
Check IC U7 (34) plug has
4.433619MHz
NO
working in normal.
Check IC U7 and related
around applicative circuitry
NO
NO
Under NTSC system, check IC
frequency
U7
working in normal.
has
3.58MHz
frequency
Y
E
S
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