62
no
yes
no
no
yes
yes
No sound from SPK on
Analog Stereo mode
Pre output is
active ?
Volume, HDAM , QC04
or Preout Relay
has any problem.(PG04)
P704, P754
or SPK Relay
has problem
Analog
S-Direct is
OK ?
(Volume , Power Amp &
Audio Input are OK)
QK04,Q601(P604)
has problem
Test Tone is
OK ?
(Volume, & Power Amp are
OK)
PS04,PS54(Audio In) orP604
(QK04:ADC)has any problem
no
DIR :QR01(P604)
no
has any trouble
yes
no
no
DAC circuite(P604)
yes
has any trouble
yes
(DIR is no problem)
yes
Volume, HDAM, QC04
or Preout Relay
has any trouble.(PG04)
no
DSP (Q601)
has any trouble
(DAC is no problem)
yes
DSP(Q601) input stage has
any trouble.
to be check QR06
No sound
from SPK on PCM
STEREO(Digital In)
Analog
S-Direct are
OK ?
P704, P754
or SPK Relay
has problem
Test tone is
OK ?
Pre output is
OK ?
Encode status
LED shows ?
96k PCM is
OK ?
