Teac LEDV2282FHD, Руководство по обслуживанию

Страница: 33 / 46

5.4.
OK
A A
B B
N
N
N
N
N
N
N
Y
Y
Y
Y
Y
Y
Function
trouble (No disc 1)
No disc
Check if the cable
is connected tightly between
laser and the DVD borad
?
Chang the laser
apparatus
Y
Check if the CN7 24 ping
FFC false weldig or
abnormal
Change or repair the
damaged component
Connect the cable
again
Check the voltage for
R78
Check the circuit
between CN2 and
R78
When read the disc
,
laser is normal
?
IF the CDLD
\
DVD LD
is normal
?
Check the periphery circuit
with U5 and Q4
\
Q6
(
SS8550LT1
)
Check the power supply
for Q4
\
Q6 is normal
?
N
Check the periphery
circuit for Q4
\
Q6
Check the circuit
between Q4
\
Q6 and the
laser apparatus connect