Marantz DV9500, Service Manual

Page: 53 / 176

51
3.8.2 DVD-Video/Audio playback
3.8.3 Super Audio CD playback
NG
OK
OK
NG
OK
NG
Are the DVD digital data output signalsof
Q101 normal?
0DATA(1-3), 0LRCK and 0BCK
Are bass management output signals of
Q301 normal?
IBCK, ILRCK, IDT0, IDT1 and IDT2
Are the output signals of PCM/DSD
selector normal?
MCLK, DABCK, DAD0, DSDR, DAD1,
DSDSW, DAD2 and DSDRS
Refer to “6. AUDIO PCB”.
•
Check the soldering of Q101 (from 159
to 171 pin).
•
Check the soldering of Q304.
•
Check the soldering of Q204-Q207.
•
Check the soldering of Q203.
•
Check the soldering of J271.
•
Check the +3.3V_D1 and +2.5VD1
voltage lines.
•
Check the clock frequency on Q301.
12.288MHz
•
Check the soldering of Q301 and Q302.
•
Check the control signals of Q301.
DSPREQ1, FCS, DSPDIN,
DSPDCLOK, DSPREQ2, RSTDSP, SCS
and HINBSY
•
Check the control signals (SPI) of Q304.
CDIN, CS3, CRST, CCLK and CDOUT
•
Check the soldering of Q303 and Q305.
NG
NG
OK
OK
Are the DSD data output signals of Q401
normal?
DSARS, DSALS, DSASW, DSAC, DSAR,
DSAL and BCKA0
Are the output signals of PCM/DSD
selector normal?
MCLK, DABCK, DAD0, DSDR, DAD1,
DSDSW, DAD2 and DSDRS
Refer to “6. AUDIO PCB”.
•
Check the soldering of Q401 (from 60
to76 pin).
•
Check the soldering of R450-R456.
•
Check the soldering of Q204-Q207.
•
Check the soldering of Q203.
•
Check the soldering of J271.