36
7. USB
8. No Audio output
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Does not recognize the USB.
There is no output from the (2P RCA) ANALOG
output.
Is there nothing wrong with the USB connector P1 of
the Display PCB?
Is there no damage around the contact where USB
cable are inserted.
Are there no bad solder joints?
Terminal P2 pin jack on the Main PCB (or P3, P4)
There is nothing wrong with the. Not bad, abnormal
soldering or the like.
Replace the F.PANEL ASSY
Replace the RCA PIN JACK.
Is there is nothing wrong with the 4P cable JP1 of
Display PCB?
Does disconnection of the cable?
Are there bad solder joints?
Is 11p cable inserted properly to XP1 of Main PCB?
Replace the F.PANEL ASSY
11p cable to be inserted into the XP1.
Is the cable correctly inserted into the connector 4P
XP3 of Main PCB?
Does XP1 of Main PCB(#9:+12 V, #11:-12V) supply
voltage?
4p cable to be inserted into the XP3.
Refer to Power Board
No.2 LED blinking.
Refer to No.2 LED blinking.
Is that supplied from 5V 3pin of XP1 of Main PCB?
Replace Main PCB.
Replace Main PCB.
No
No
No
No
No
No
No
