Philips MCD183/05 Service Manual page 9

Malfunction Follow Check Chart
No power
Check if the Power Cord
is connected
Y
No Replace a new
Check the AC
AC Cable
outlet
Y
Check if the Dc output
No Replace a new
provided voltage
Power Board
(about 34.5V)
Y
Check if the Main No Replace a new
Board has provided one
voltage
2-2
No sound
Adjust the volume
Y
Check if the speakers
are connected correctly
Y
Check if the USB or other
devices are connected
Y
No Replace a
Check if the USB or other
devices are incompatible
Y
Check if has voltage
supply to the USB Board
Y
Check if the CPU IC No Replace the
has provided voltage Main Board
No display
Time/Clock does not work
Plug in the power cord Check the files or folders in
USB or others devices has
not exceeded the certain limit
Switch on the Timer
Check the data wire which
connected the Main Board,
if has provided voltage
Reset the Time/Clock
Check if the VFD Board
has provided voltage
new one
Check if the Main Board
has provided voltage
Check if the CPU IC
has provided voltage
2-2
No Replace the IC PT6311
/SC16311/CD16311
No
Replace a new one
No Replace the
Main Board