76
no
yes
no
yes
no
no
yes
yes
yes
no
yes
no
no
yes
yes
No sound from SPK
Test Tone is
OK ?
Audio/Visual Function SW
is OK
ADC (QK51,52:PD04) has
some problem
Main in or
Pre out is OK ?
Power amp circuit P114,154,
Relay Driver circuit P124,P164
has some problem
Analog input
is OK ?
SPK SETUP MENU
Encode status
shows ?
DIG SEL:QA03,04,07(PD04),
DIR:QR50(P604),DSP:Q610,640
has some problem.
P654 Connection has problem
TAPE or VCR
OUT is OK ?
Audio Function SW
(QS01,02- PS04)
Visual Function SW
(QQ01,02-PQ04)
has some problem
7.1ch input
is OK ?
Audio SW-QS70 (PS54),
Volume, mute Tr (PG04)
has some problem.
Digital input
is OK ?
DIG.SEL, DIR is OK
DSP:Q610,640,DAC:QD01-04
(PD04) has some problem.
P654 Connection has problem
DSP:Q610,640(P604)
has some problem ?
Confirm
No Sound
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