Test & Debug Flow - Pioneer x-rsm410dvh Service Manual

2. TEST & DEBUG FLOW
POWER ON
YES
Show LOGO?
YES
Does tray
move inside when it is
closed position?
YES
A
NO
Flash memory
operates properly?
YES
SDRAM works
properly?
YES
ES8390 VIDEO
outputs properly?
YES
Check AV cable connection
to TV set
NO
OPEN_SW&CLOSE_
SW Signals on P406
are ok?
YES
OPEN / CLOSE
signals on IC401 are
ok?
YES
Load+ & load- signals
on P406 are ok?
YES
Check the cable connection
between DVD PCB and MD
(MECHA)
3-11
Check connection lines
NO
between FLASH & ES8390 or
the FLASH access time
whether is suitable or not
Check connection lines
NO
between SDRAM (IC502) &
ES8390 or the SDRAM is
damaged
Check the related circuit of
NO
ES8390 (IC501)
pin133,134,137,138,139,140
NO
Check the MD mecha
Check the output signal of
NO
ES8390 to IC401 for control
OPEN/CLOSE
NO
Check the tray control I/O
pin on IC401