Harman Kardon DVD 16 (serv.man3) Service Manual ▷ View online
Can’t read disc or can’t open the disk door
Yes
Check the connection of the 5PIN cable
from XP5 on the main Board.
Can’t read disc or can’t
open the disk door
Check FFC cable from
main board connection to
the loader is normal
main board connection to
the loader is normal
NO
GO
Check whether the
DVD loader running is
normal
Fix the connection the FFC cable
NO
Yes
Trouble shooting chart
5-3
NO
Check main board and
loader
loader
Check the power of main board and loader
Yes
Replace the main board
and loader
and loader
harman/kardon
DVD 16 and 18 /230V Service Manual
Page 21 of 39
No VFD display
Check whether the
voltage between VFD
F1&VFD F2 is AC24V
Go
No
No
No VFD display
Yes
Fix the connection main board
XP12 & front board XS2
Check whether the voltage
+5V,+12V ,-24V on the front
board is normal work or not.
Check DC5V to AC 24V switch circuit
Replace U301 or VFD.
Yes
Trouble shooting chart
5-4
harman/kardon
DVD 16 and 18 /230V Service Manual
Page 22 of 39
No HDMI signal output
No
Check the U1 power supply
Check the p4 power supply (P4 pin18
voltage is 5V)
Check whether the HDMI
signal is right from the P4
Yes
No
Go
Check whether the HDMI signal
is right from the U1 pin 80, 81,
83, 84, 86, 87, 89, 90
No HDMI output
Replace the U1
Yes
Yes
Trouble shooting chart
5-5
Replace P4
harman/kardon
DVD 16 and 18 /230V Service Manual
Page 23 of 39
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8-1
Exploded view for DVD16/DVD18:
It is exploded view for DVD16/DVD18, pls refer to the model set for detailed information.
Assy1 includes componets:1.2.3.19.21.22
Assy1 includes componets:1.2.3.19.21.22
harman/kardon
DVD 16 and 18 /230V Service Manual
Page 24 of 39
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