[ DVD SECTION ]
FLOW CHART NO.1
The key operation is not functioning.
Are the contact point and the installation state of
the key switches (SW2012,2011,2016,2017) normal?
Yes
Is the control voltage normally supplied to NoReplace the key switches (SW2012,2011,2016,
Pins(3, 4, 7, 8, 10) of IC2001?2017) and their periphery.
FLOW CHART NO.2
No operation is possible from the remote control unit.
Operation is possible from the DVD, but no operation Replace the remote control unit if necessary.No
is possible from the infrared remote control.
Yes
No
Is 5V voltage supplied to Pin(3) terminal ofCheck AL 5V line.
the remote control receiver?
Yes
No
Is the "L" pulse sent out from Pin(1) terminal of the Replace the remote control receiver.
receiver when the infrared remote control is activated?
Yes
No
Is the "L" pulse signal supplied to Pin(26) of Check the line between the remote control receiver
CN1001 from Pin(1) terminal of the remote control and Pin(26) of CN1001.
receiver.
YesNo
Is the FFC Cable (JW003) between CN1001 and Replace FFC Cable (JW003).
DVD Main CBA Unit normal?
Yes
Replace DVD Main CBA Unit.
FLOW CHART NO.3
The disc tray cannot be opened and closed. (It can be done using the remote control unit.)
No
The voltage of Pin(25) on CN1001 becomes 0V, Check the "OPEN CLOSE" key and SW2014.
when pressing "OPEN CLOSE" key on the unit.
Yes
Refer to "FLOW CHAR NO.4" below.
FLOW CHART NO.4
The disc tray cannot be opened and closed.
Replace DVD Main CBA Unit.
No
No improvement can be found.The malfunction of the original DVD Main CBA Unit.
Yes
Replace DVD Mechanism.
E1-8-3 |
ACEC
