Table of Contents
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@ A/D Circuit
Does IC503 pin @
generate a waveform ?
Yes
Does IC502 pin ©
generate a waveform ?
YES
Does IC403 pin @®
generate a waveform 7?
YES
Does IC407 pin @
generate a waveform ?
YES
Is a digital signal output
from |C407 pin @ ?
YES
Check the patterns related
to IC408 and J103.
NO
NO
NO
NO
NO
XP-A1010TN
Check 1C503 and its peripheral
parts.
Check 1C502 and its peripheral
parts.
Check IC404, IC403 and their
peripheral parts.
Check IC405 and its peripheral
parts.
Do 1C407 pins @
and © receive the
LRCK and BCLK signals,
respectively ?
NO
YES
List.
(No. 2020) 1-41
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