Table of Contents
Advertisement
A
RESET or power on.
Show LOGO?
YES
Does tray
move inside when it is not
at closed position?
YES
B
1-16 (No.YD118)
Flash
NO
memory operates
properly?
YES
SDRAM
works properly?
YES
ZR966
VIDEO outputs
properly?
YES
Have TV
signal output?
YES
Check AV cable
connection to TV set.
Normal
NO
TROUT & TRIN
signals?
YES
Normal
TRCLOSE & TROPEN
signal?
YES
Normal
LOAD+ & LOAD
signal?
YES
Check the cable
connection between main
PCBA and loader.
Check connection lines
NO
between FLASH & ZR966
and the FLASH access time
whether is suitable or not.
Check connection lines
NO
between SDRAM & ZR966
and the SDRAM is damaged.
Check the related circuit of
NO
ZR966
Check the filtering and amp
NO
circuit of TV signal.
Check the load OPEN &
NO
CLOSE switch
Check the tray control IO
NO
pins on ZR966 & AM5869S
Check the tray control
NO
amplifying circuit on motor
driver.
Advertisement
Table of Contents
