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CU-4
Control unit
CU-4 is a general service tool used with a module jig and/or a flash
adapter. It requires an external 12 V power supply.
The unit has the following features:
• software controlled via USB
• EM calibration function
• Forwards FBUS/Flashbus traffic to/from terminal
• Forwards USB traffic to/from terminal
• software controlled BSI values
• regulated VBATT voltage
• 2 x USB2.0 connector (Hub)
• FBUS and USB connections supported
When using CU-4, note the special order of connecting cables and
other service equipment:
Instructions
1 Connect a service tool (jig, flash adapter) to CU-4.
2 Connect CU-4 to your PC with a USB cable.
3 Connect supply voltage (12 V)
4 Connect an FBUS cable (if necessary).
5 Start Phoenix service software.
Note:
Phoenix enables CU-4 regulators via USB when it is
started.
Reconnecting the power supply requires a Phoenix restart.
RM-237
Service Tools and Service Concepts
Nokia Customer Care
Issue 1
COMPANY CONFIDENTIAL
Page 4 –7
Copyright © 2007 Nokia. All rights reserved.
Содержание 3110c
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Страница 207: ...9 Schematics Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 9 1 Copyright 2007 Nokia All rights reserved ...
Страница 218: ...RM 237 Schematics Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 9 12 Copyright 2007 Nokia All rights reserved ...
Страница 219: ...Glossary Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page Glossary 1 Copyright 2007 Nokia All rights reserved ...