ViewSonic® Corporation
381 Brea Canyon Road •••• Walnut, CA 91789 •••• Tel: (909) 444-8727 •••• Fax: (909) 444-8654
To : Authorized Service Providers Issue Date: October 18, 2004 ECO # : 4544-1
Model # : VX750
(VLCDS27089-1W)
Subject/Symptom: Firmware update to resolve (1) issue going into power save mode; and (2) timing change
from 720x400 at 70Hz to 640x400 Hz for improved performance.
Prepared By :
Tommy Jue
Purpose: Firmware update to resolve (1) issue going into power save mode; and (2) timing change from 720x400
at 70Hz to 640x400 Hz for improved performance.
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
Change(s)/Countermeasure(s):
Part Location Part Description Part Number Repair Action Comment Failure
*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).
IC with firmware version
0.8
Service Bulletin
SB # VX750-1_SB_002
Cut-in S/N :
S/N Range :
Target Date : June 30, 2004
Approved By :
E-IC-0450-0027
Eileen Nguyen
Replace firmware IC with
updated version 0.8 to
resolve above issues.
- Limited ASP
- ViewSonic Internal
- Complete ASP Listing
Repair
Code
G0A D5
Code
Please contact the Quality Assurance Department at (909) 444-8727 for further information.
4.19: Form, Service Bulletin 10/30/2002
SERV-BULL-V1 Page 1 of 1