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A3 A4
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Drawing(s) attached
Qty Qty
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Continued on Supplement Page
gallien technology Engineering Change Order
400RB-IV
Artwork
Assembly Dwg.
Board Artwork
Control Form
Fab Drawing
Inspection Proc.
R5, R14
Ref. Designator
Q7
Test
Parts Deleted
Noli
Noli TC
Other Affected Assemblies
Date Initials
Accounting
Gallien-Krueger
Date Effective
145-0240-A Assembly Numbers:
Effective Date:Approved by:New ECO Rev #:
Distribute To:
Originator:
Document UpdateCurrent Rev #: 8/10/2005
Customer Name:
Model:
Assembly Description:
Parts Added
Description
010-0000-0
C6
R14 43.2k RES, 1/8W 060-4323-0
031-2106-0 CAP 10uF, 50V
060-1213-0Q7, Q7A
12.1k RES, 1/8W 2SC2240BL Update Part Master File.
Update BOM
010-0010-0
Ref. Designator
2SC3381BL
Part NumberReason For Change
Continued on ECO Supplement PageCosting
Schematic
Test Procedure Part Master File
1. Q7(2SC3381) on power amp is obsolete, replace
with two 2SC2240BL.
2. Remove R5, change values of R14 to 43.2K and
C6 to 1uF, 50V. This is to decrease offset DC
voltage from 45mVdc to 10mVdc.
Service Manual
Incoming Q.C. Engineering
AssemblyDistribution
290 Assemblies , 302 Assembly (Head)
303 Assemblies (Combo)
Update PCB board part number to 145-0240-A4 Update Schematic
Description Of Change
Production Eng.
Purchasing
Q.A.
Service
Power Amp
206-0240-A
Next Buy
Next Production Run All in Service
All in Stock All in Process
Beginning Serial Number:
BOM
Enrique Hernandez
Initials
RAG
Noli
400RB-IV 206-0240 Power Amp, 2/1/2006