Philips DCC170/00 - Troubleshooting; Initial Operation and Power Supply Checks

O
TRoUBLESHooTING
Step 1.
Checking
Operations from
Tape Insertion
though
Operation
Start
lnsefi
a tape
cassette
(DCC).
Cassette lid
closure
(SD1
1)
detected?
"TAPE
|N"(SMO3)
detected?
ls
the HOLD
Sense
switch
set
to OFF?
Rec Protect
(SU04)
detected?
DCC/ACC
(SU02)
detected?
Check
the
referring
to
(2)
Button,
SW ON/OFF
of FACTORY
MODE.
(See page
20.)
Has
PLAY,
REW, FF,
STOP
Check
the
QU01
pin
19
to
22,36
to 38
and
flexible
cable WUO1.
Power
on operation?
Execute
Step 2,
"Power
Supply Circuit Test;
Wake-up
Operation."
Execute
Step 3,
"Service
Mode Test."
(See
page
25.\
Execute
Step 4,
"Signal
Line Waveformes
Test."
(See
page
28.)
Operation
starts in
the mode
selected
in PLAY, REW,
FF,
STOP.
PCS 79
284
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