Toshiba SD-44HKSB Service Manual page 42

SECTION 2. AUDIO PART
❏ ELECTRICAL TROUBLESHOOTING GUIDE
1. Power check flow
INSERT
POWER CORD.
TURN ON
THE RED LED?
YES
TURN POWER ON.
IS POWER ON?
YES
DOES INITIAL
READ WORK?
YES
DOES IT PLAY?
YES
DOES IT OUTPUT
AUDIO?
YES
OK
NO
NO
CHECK POWER SUPPLY CIRCUIT .
NO
NO
CHECK TRACKING SERVO CIRCUIT.
NO
2-1
CHECK POWER PLUG
AND POWER SUPPLY CIRCUIT .
CHECK LASER CIRCUIT .
CHECK FOCUS CIRCUIT.
CHECK DISC.
CHECK AUDIO CIRCUIT.