Harman Kardon BDT 30 - BDT 3 (serv.man3) Service Manual ▷ View online
Can’t read disc or can’t open the disk door
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
normal
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
8 pin cable
8 pin cable
NO
Yes
Trouble shooting chart
5-3
Harman Kardon
BDT 3/120V and BDT 30/240V Service Manual
Page 17 of 35
Can not connect to network
Trouble shooting chart
5-4
Check if the P2 is ok
Or not
Or not
Go
No
No
Can not connect to
network
network
Yes
Fix all the resistor
Check R12 5 is on in
main board
main board
Change P2
Check if U7 is oK
In main board
In main board
No
Fix U2 in mainboard
Yes
Harman Kardon
BDT 3/120V and BDT 30/240V Service Manual
Page 18 of 35
Front Control Board Print Lay-out:
7-13
7-13
Harman Kardon
BDT 3/120V and BDT 30/240V Service Manual
Page 19 of 35
Power Supply Print Lay-out:
7-14
7-14
Harman Kardon
BDT 3/120V and BDT 30/240V Service Manual
Page 20 of 35
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