
ViewSonic® Corporation 
 9F, No.192, Lien Chen Rd, Chung Ho, Taipei, Taiwan• Tel: (886) 2-22463456 • Fax: (886) 222437314 
      Service Bulletin 
To : Authorized Service Providers  Issue Date: Jul. 15 2005  ECO # : 5543-2  
Model # : VX724-1W ( AU & QDI) 
        (VS10049)
Subject/Symptom: Service notification to change button cable & Aluminum foil 
Prepared By : 
Daniel Lee 
Purpose: Service notification to change button cable & Aluminum foil to improve EMI. 
A.TVE will change B/B cable,which has a shielding function for VX724(AU)/VX724(QDI)/VX924. 
B.TVE will add a piece of Aluminum foil between button board and panel for VX724(AU)/VX724(QDI)/VX924, 
 two pieces of Aluminum foil between PCB shielding and panel for VX724(AU)/VX724(QDI) 
one piece of Aluminum foil is stick to between PCB shielding and panel for VX924. 
Detail pls follow attached pages
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 judgment for unit under service (symptomatic).     - Supplier Service ASP 
Change(s)/Countermeasure(s): 
Part Location  Part Description  Part Number  Repair Action  Comment  Failure 
CABLE MB-
BUT(8P/10P,190MM)
SHILD L7VD GP 
AL FOIL-BKT 
L5TL(FBL5T001,REV
3A) GP 
AL FOIL 
L9E(FBL9E006,REV3
A) 
 Cut-in S/N:  
 S/N Range:   
 Target Date: Jul. 13 2005 
Approved By : 
CB-00003482  Update part G0A D5 
M-00003483 Update part G0A D5 
M-00003484 Update part G0A D5 
SB # VX724-1_SB_002 
Ivan Chan 
 - Limited ASP 
 - ViewSonic Internal 
 - Complete ASP Listing 
Code 
Repair 
Code 
*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 (886) 2-2246-3456 for further information. 
4.19: Form, Service Bulletin    Release Date: 06-07-05 
VSC_FORM_1031, Rev. 1a    Page 
1 of 3 
 

ViewSonic® Corporation 
 9F, No.192, Lien Chen Rd, Chung Ho, Taipei, Taiwan• Tel: (886) 2-22463456 • Fax: (886) 222437314 
      Service Bulletin 
Before changing, there is no alumimum foil between B/B cable and panel for 
VX724(AU)/VX724(QDI)/VX924 as below: 
SB # VX724-1_SB_002 
After changing, a piece of alumimum foil is added between B/B cable and panel 
VX724(AU)/VX724(QDI)/VX924 as below: 
Please contact the Quality Assurance Department at (886) 2-2246-3456 for further information. 
4.19: Form, Service Bulletin    Release Date: 06-07-05 
VSC_FORM_1031, Rev. 1a    Page 
2 of 3 
 

ViewSonic® Corporation 
 9F, No.192, Lien Chen Rd, Chung Ho, Taipei, Taiwan• Tel: (886) 2-22463456 • Fax: (886) 222437314 
      Service Bulletin 
Before changing, there is no alumimum foil between PCB shielding and panel for 
VX724(AU)/VX724(QDI) as below:
SB # VX724-1_SB_002 
After changing, two pieces of alumimum foil are added into between PCB shielding and panel 
for VX724(AU)/VX724(QDI) as below: 
Please contact the Quality Assurance Department at (886) 2-2246-3456 for further information. 
4.19: Form, Service Bulletin    Release Date: 06-07-05 
VSC_FORM_1031, Rev. 1a    Page 
3 of 3