Marantz DV9500, Service Manual

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49
3.7 Check the Playback disc.
3.7.1 Loader is not rotate.
3.7.2 CD playback
3.7.3 DVD playback
OK
OK
NG
NG
Finish
Is the laser beam light up?
Is the current of laser beam normal?
Is Spindle drive signal normal? DM0=H
•
Check the unsoldering of protection
solder pad on the pickup.
•
Check the soldering of Q510 and
circumference components of Q511.
•
Check the connection of F506 and
pickup connector.
•
Check the soldering of Q501.
•
Check the soldering of Q508.
•
Check the soldering Q502 (111-113pin).
•
Check the soldering R615, R699 and
R666-669.
•
Check the soldering Q505.
Finish
OK
NG
OK
NG
Is the RF signal normal?
RFAC test pint=approximately 1Vp-p
Is communication of Q502 and Q503
normal?
•
Check the soldering of Q501 and
circumference components.
•
Check the soldering of Q502 (from 65 to
110 pin).
•
Check the soldering Q502 and Q503.
•
Check the soldering of data bus lines.
BD(0-15), BA(0-9)
•
Check the soldering of XLCAS, XUCAS,
XMOE, XRAS and XMWR.
NG
NG
OK
Finish
OK
Is communication of VSTEM between
Q502 and Q404 normal? VDT(0-7)_COR,
XHAC_COR, VEFG_COR, XSHD_COR
and DCK_COR
Is the Request signal normal?
HDRQ_COR=L, Q502 (45pin),
Q404 (21pin)
Check the soldering of Q404.
•
Check the soldering of Q502 (from 36 to
49pin).
•
Check the soldering of R621-R633.
•
Check the soldering of R401-R412.