JVC XP-A1000BK - Page 41

B A/D Circuit
Does IC 503 pin @
generate a waveform ?
YES
Does IC502 pin @
generate a waveform ?
YES
Does 1C403 pin @
generate a waveform ?
YES
Does IC407 pin @)
generate a waveform ?
YES
erred
Is a digital signal output
from 1C407 pin @ ?
YES
Check the patterns related
to IC408 and J103.
NO
NO
NO
NO
NO
| XP-A1000BK
Check IC503 and its peripheral
parts.
Check IC502 and its peripheral
parts.
Check IC 404, IC403 and their
peripheral parts.
Check IC405 and its peripheral
parts.
Do 1C407 pins @
and © receive the
LRCK and BCLK signals,
respectively ?
NO
YES
1C407 is defective. Check the Clock
List.
(No. 20062) 1-41