If above signal do not appear, JACK PCB has a trouble.
(3) TP GHS . GVS . GCLK check
If GHS . GVS . GCLK signal do not appear, JACK PCB has a trouble.
4. When PC signal do not appear on screen
(1)Input DTV or VIDEO signal and see if DTV or VIDEO signals shown on screen
If no signal then check TP DCLKB. DHS. DVS
If DCLKB. DHS. DVS signal do not appear, JACK PCB has a trouble.
(2) P502 s 1st PIN(V SYNC) , 2nd PIN check(H SYNC)(when 800 X 600)
If above signal do not appear, JACK PCB has a trouble.
(3) TP GHS . GVS . GCLK Check
GHS . GVS . GCLK signal do not appear, JACK PCB has a trouble.
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