Viewsonic E70-3 Service Bulletin 001

ViewSonic® Corporation

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

Service Bulletin

SB # E70-3_SB_001

To : Authorized Service Providers Issue Date: August 21, 2000 ECO # : 587 (new)-1
Model # : E70-3 Cut-in S/N : AL0323536 (-3E)

¨ S/N Range :

Targe t Date : August 12, 2000 (other regions)

Subject: Countermeasure for OSD jitter issue.
Prepared By :

Tommy Jue

Approved By :

Richard Tanimoto

Purpose:

Issue: OSD jitter found at 43kHz, 48kHz, and 60kHz while adjusting function from max. to min.

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

R921

J914

*Note: Repair a ction(s) that con sist of the countermea sures contain ed 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).

CBN 33Ω ¼W J T52

Ferrite Core BF45W 80
ohm(min.) @100MHz

E-R-0405-3047

E-L-0407-0013

Replace 100µH peaking
coil with this new part.

Replace jumper with this
new inductive part.

Repair

Code

GOA D5

GOA D5

Code

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

FORM: SERVBULL_4.19_V5 Page 1 of 1 7/3/2000

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