Read JBL BD 100 (serv.man2) Service Manual online
Can’t read disc or can’t open the disk door
I
Yes
Check the co nnection 4pin cable from the
main board
main board
Can’t read disc or can’t
open the disk door
open the disk door
Check 45pin and 8pin
cable from main board
connection to the l oader is
cable from main board
connection to the l oader is
normal
Replace the loader
NO
GO
Check whether the
DVD loader running is
normal
DVD loader running is
normal
Fix the connection the 45pin cable or
8pin cable.
8pin cable.
NO
Yes
Trouble shooting chart
Check if U11 (pin2) voltage
is normal (about 9V)
Fix R946/R947 or check
U11 (pin3)
voltage is OK (about 12V)
NO
Check R203/R205 are normal
(the voltage between two
(the voltage between two
resistance is 1.5V
Yes
Fix or Replace R203/R205
Yes
5- 4
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