Marantz PS-17 Service Manual page 33

No sound
from SPK on
AC-3/DTS decode
no
Pre output is
OK ?
yes
to be check Main in
at SPK Output
No sound
from SPK on
analog Dolby
no
Pre output is
OK ?
yes
to be check Main in
at SPK Output
no
6ch Direct
is OK ?
yes
P604 has trouble
no
Test tone is
OK ?
yes
DAC & DSP are no problem
no
Encode
status LED
shows ?
yes
Decoding is no problem
Error Mute circuite
has problem.
To be check QR04
no
6ch Input
is OK ?
yes
P604 has trouble
no
Test tone is
OK ?
yes
DAC & DSP-out are no problem
no
Digital PCM
ProLogic is
OK ?
yes
Decoding is no problem
ADC(QK01) has any problem.
QK01 can not output data.
To be check QK01 or Lt/Rt input
on P604
6ch SW(PS04,PC04)),
Volume, I/V amp(PG04)
has any problem.
status LED
DIR(QR01) or QR06
96k PCM is
has any problem.
To be check
signal(SDIDR)
DSP:Q601(P601)
output stage or other ch
DAC(QD02,03,04) has
problem.
To be check Q606.
6ch SW(PS04,PC04),
Volume, I/V amp(PG04)
has any problem.
DIR(QR01) or QR06
has any problem.
To be check
signal(SDIDR)
Clock output form DSP:Q601
has any problem.
51
no
Encode DIR:QR01 or
DSP:Q601(P604)
shows ? has any problem.
yes
DIR & Q601input is no
no
Front L/R DAC circuite(P601)
has any problem.
OK?
To be check Q606.
yes
L/R DAC is no problem
no
Digital PCM
DAC:QD01,02,03,04(P604)
ProLogic is
has any problem.
OK ?
yes
Q601& DAC are no problem
DSP:Q601or