ViewSonic® Corporation
381 Brea Canyon Road • Walnut, CA 91789 • Tel: (909) 444-8727 • Fax: (909) 444-8654
To : Authorized Service Providers Issue Date: March 3, 2004 ECO # : 4039-2
Model # : VE710b-1
(VLCDS27998-2W)
Subject/Symptom: No video issue when changing timing modes.
Prepared By :
Tommy Jue
Purpose: No video issue when changing timing modes.
Background: Some units may have a problem whereby the video blanks out while changing timing modes and
the LED flickers.
Countermeasure: R88 on main board changed from 100Ω to 10kΩ; L35 changed from 100Ω to 0Ω. This will
change the V
from 3.06V to 3.13 V for more stable operation.
CPU
Recommendation: Change the main board when this condition is encountered.
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).
Main Board version
CD3C
B-MB-0201-2726
Service Bulletin
SB # VE710b-1_SB_002
Cut-in S/N :
S/N Range : A34034800279, A34034900298 and later
Target Date :
Approved By :
Eileen Nguyen
- Limited ASP
- ViewSonic Internal
- Complete ASP Listing
Replace the main board
with this updated board
when this condition is
encountered by the
customer.
G0A D5
Code
Repair
Code
Please contact the Quality Assurance Department at (909) 444-8727 for further information.
4.19: Form, Service Bulletin 10/30/2002
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