Troubleshooting Guide - Toshiba MW27H63 Service And Owner's Manual

(TV SECTION)
POWER DOES NOT TURN ON (1)
When turning on the
power switch, does the
LED light ?
Yes
Is CD602 inserted ?
Yes
Does Q401 and Q403 work ?
Yes
Check pins 6, 8 and 13
of IC601 and peripheral circuit.
POWER DOES NOT TURN ON (2)
Is CD604 inserted ?
Yes
Is F1701 broken ?
Yes
Replace F1701.

TROUBLESHOOTING GUIDE

No
No
No
No
No
Is the voltage at C1714
about 170V ?
Check Q1705, Q1706,
IC1701 and peripheral circuit.
E-1
No
Yes
Check pins 27 and 30 of IC1001
and peripheral circuit.
Insert CD602.
Check Q401, Q403 and
peripheral circuit.
Insert CD604.
Check D1705, D1706, D1710, D1711,
R1718 and peripheral circuit.