Marantz PS-17 Service Manual page 34

No sound from
Headphone on
Dolby HP
no
Analog
S-Direct is
OK ?
yes
no
96k PCM is
OK ?
yes
no
BPBUSY(Q6
09:2P) is Low
level ?
yes
HP DSP:Q608
in/output stage
has any problem
No picture
from Monitor
output
no
VCR1&2 out
are OK ?
yes
Video Input select circutes
have problem
Q606 has problem
HP amp(QW01) has
HP DSP:Q608
or ROM Q653
has any problem
OSD menu is
shown?
yes
OSD ICs control is no problem
Video output stage are no problem
Input to OSD IC(QL04 QX05) has trouble
Video input detection has any trouble.
To be ckeck CV-DET Y/C-DET
52
no
Relay
(LW01:PG04)
QN05 has problem
control is
OK?
yes
to be check ±15VH
Supply ±
no
15VH to
TR(QW03-06) has
Opamp(QW01) ?
yes
any problem
OSD IC (QL04,QX05) or
no
driver QL02 QX10
have any trouble
to be chech HP
RELAY signal,
Line,
any problem