Toshiba PROL550 manual DisplayTroubleshooting, A R T

2￿Troubleshooting￿Procedures￿

2.4￿ Display￿Troubleshooting￿

S T A R T

Pe r f o r m ￿e x te r n a l ￿d is p la y ￿ c h e c k ( P r o c e d u r e ￿1 )

D o e s ￿th e ￿e x te r n a l

d is p la y ￿ f u n c tio n ￿o k ?

P e r f o r m ￿d ia g n o s tic ￿c h e c k

( P r o c eCDd u r e ￿2 )

E	FG
		W a s ￿a ￿ d is p la y
					CD
		p r o b le m ￿d e te c te d ?
			E	F
				G
		P e r f o r m ￿ c o n n e c to r ￿ a n d
		r e p la c e m e n t ￿ c h e c k
		( P r o c e d u r e ￿3 )
		R e p la c e ￿ s y s te m ￿ b o a r d

E N D

Dis p la y ￿ is ￿ n o t f a u lty .￿ C o n tin u e tr o u b le s h o o tin g -

r e f e r ￿ to ￿F ig u r e ￿ 2 . 1

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Figure￿2-3￿Display￿troubleshooting￿process￿

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SATELLITE￿L550/PROL550￿SERIES￿MAINTENANCE￿MANUAL￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿14￿