Viewsonic VP930B-1, VP930-1 Service Bulletin 010

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: Mar. 16 2006 ECO # : VS-E060041-1 Model # : VP930-1; VP930b-1

( VS10725 )

Subject/Symptom: Service notification to update firmware Prepared By :

Purpose: Service notification to update firmware to improve the following issue:

1. Improve timing of 1280x720 50 & 60Hz, the display will be correct by F/W rev:19

2. Improve SOG timing of 720x576 50Hz, the display will be correct by F/W rev:19

3. Improve Composite of 640x400 70Hz, 640x480 60Hz, 720x400 70Hz, 720x480 60Hz, 720x576 50Hz.

4. Function Key of OSD-Lock will be [1] + [▲] and function key of Power-Lock will be [1] + [▼].

5. Improve color issue after power On/Off by Relay-Transform and change-timing together. Therefore, We will cut in Firmware Rev:19 on VP930 series models.

MCU location: U6,

Parts number: VSIMTV416GMV-GS, (MYSON MTV416)

Description: Micro-Controller with 128K Flash ROM, made by MYSON 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

*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).

Charles Wu

Firmware, Rev:19

CHK: 7ADD

Cut-in S/N: PQ8060300001 S/N Range: Target Date: Feb. 27 2006

Approved By :

Firmware updated G0A D5

SB # VP930-1_Series_SB_010

Ivan Chan

- Limited ASP

- ViewSonic Internal

- Complete ASP Listing

Code

Repair

Code

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 1