LabGruppen 10000q-fp100f-10, 10000q-fp100f-10-1 Service Bulletin

Document type:

SERVICE BULLETIN

Created:

(2010-06-28) Page 1

Page:

Technical Service Bulletin No. 16

Created by: Lab.gruppen AB Service Department
Date: 100628
Reference no: Unstable rail voltage, not able to adjust rail voltage.

Affected models

Following models are affected by this technical service bulletin:
C:16, C:28, C:48, C:68 & C:88.
FP 4000, FP 6000Q, FP 7000, FP 9000, FP 10000Q, FP 13000 & FP 14000.

Affected boards/modules

SP100, SP130 and SP140.

Symptom

Unstable rail voltage, not able to adjust rail voltage.
PSU clicking on and off all the time and PAL led lights up.

Solution

1. Check if there is contact between + rail and R32 & R34.

2. Check if there is contact between – rail and R33.

3. If not repair foil pattern and check D23, D24, D25, D26, D27, Q8, Q9 & Q10.

4. Update OVP circuit if needed, regarding to instruction (Only SP100 & SP130).

History

Date Created By Status Bulletin no. Comment

100628 PB Sharp 16

THIS DOCUMENT IS CONFIDENTIAL. IT MAY NOT BE REPRODUCED WITHOUT THE WRITTEN PERMISSION OF LAB.GRUPPEN AB AND TC Electronic A/S

 2005 Lab.gruppen AB, Faktorvägen 1, S-434 44 KUNGSBACKA, SWEDEN |.