Viewsonic VG151-1 Service Bulletin 002

ViewSonic® Corporation

381 Brea Canyon Road • Walnut, CA 91789 • Tel: [phone] • Fax: [phone]

Service Bulletin

SB # VG151_SB_002

To : Authorized Service Providers	Issue Date: May 24, 2001	ECO # : 1321-2
Model # : VG151	Cut-in S/N : 902011210058
	S/N Range :
	Target Date :

Subject: Countermeasure to ensure proper mode synchronization for systems with H/V sync. amplitude less than 3V.

Prepared By :

Tommy Jue

Approved By :

David Lee

Purpose:

Countermeasure for start up/mode change compatibility issue when product is used with systems where the H/V sync. signal is lower than 3V.

Service Bulletin Application:	ASP Distribution:
Recall.	- USA ASP
Service Inventory, Repairs In-Process & No Problem Found (NPF).	- Canada ASP
Repairs In-Process & NPF.	- Latin America ASP
Repairs In-Process.	- 3rd Party ASP
Technician judgement for unit under service (symptomatic).	- Supplier Service ASP
	- Limited ASP
	- ViewSonic Internal
	- Complete ASP Listing

Change(s)/Countermeasure(s):

Part Location	Part Description	Part Number	Repair Action	Comment	Failure	Repair
					Code	Code

IC17	74LS86 TSSOP	E-IC-0401-2281	Replace original 74HC86A	GOA D5
			IC with this new part.

*Note: Repair action(s) that consist of the countermeasures contained in this or any other service bulletin(s), shall use D5 as the repair code. All other repair action(s) outside of the service bulletin(s) shall use the appropriate repair codes contained in the Repair and Defect Codes Handbook (i.e. C7).

Please contact the Quality Assurance Department at [phone] for further information.

FORM: SERVBULL_4.19_V6

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11/7/2000

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