Nokia 7250, 7250i Service Manual 04 nhl4jx servtool
Customer Care Solutions
NHL-4J/NHL-4JX Series Transceivers
Service tools
Issue 2 06/03 CopyrightNokia. All rights reserved
NHL-4J/NHL-4JX Company confidential
Service tools CCS Technical Documentation
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Page 2 CopyrightNokia. All rights reserved Issue 2 06/03
Company confidential NHL-4J/
CCS Technical Documentation Service tools
Table of Contents
Page No
MJF-13 Docking Adapter ..............................................................................................4
MJS-38 Module Test Jig ................................................................................................5
MJS-90 Soldering Jig .....................................................................................................6
SRT-10 Camera Removal Tool.......................................................................................7
SES-3 Rework Stencil 0770558 .....................................................................................8
FPS-8 Flash Prommer (Sales Pack) ...............................................................................9
FPS-8C Parallel Flash Prommer (Sales Pack) .............................................................10
ACF-8 Universal Power Supply ..................................................................................11
FLA-27 POS (Point Of Sale) Flash Loading Adapter .................................................12
FLC-2 DC Cable ..........................................................................................................13
AXS-4 Service Cable ...................................................................................................14
XCS-1 Service Cable ...................................................................................................15
SW Security Device PKD-1 ........................................................................................16
FLS-4S POS (Point Of Sale) Flash Device (Sales Pack) ............................................17
PCS-1 Power Cable ......................................................................................................18
XRF-1 RF Cable ..........................................................................................................19
DAU-9S MBUS Cable .................................................................................................20
CA-5S DC Cable ..........................................................................................................21
XCS-4 Modular Cable .................................................................................................22
Printer Cable ................................................................................................................23
Issue 2 06/03 CopyrightNokia. All rights reserved Page 3
NHL-4J/NHL-4JX Company confidential
Service tools CCS Technical Documentation
MJF-13 Docking Adapter
The MJF-13 Docking Station has been designed for calibration and soft ware update use.
The Docking Station Adapter makes signal connections to the phone.
MJF-13 main electric functions include:
- adjustable VBATT calibration voltage, current measurement limit voltage "VCHAR", current measurement calibration current "ICHAR"
- adjustable ADC calibration voltage via BTEMP and BSI signal
- BTEMP and BSI calibration resistor
- signals from FBUS to the phone via parallel jig
- control via FBUS or USB
- Flash OK/FAIL indication
In calibration mode MJF-13 is powered by external power supply 11-16V DC. In flashing
power for the phone can be taken from FPS-8 or external power supply 11-16V DC.
MJF-13 main electric functions are:
- phone recognizing from BTEMP
- filters of FBUS signals
- SIM CARD reader
Product Code
MJF-13 Docking Station Adapter: 0770429
View of MJF-13
Page 4 CopyrightNokia. All rights reserved Issue 2 06/03
Company confidential NHL-4J/
CCS Technical Documentation Service tools
MJS-38 Module Test Jig
Module Testg Jig MJS-38 is designed for regional Central Services for TB3 module testing. It can be used for flashing and RF-, battery-, system-, radio- and SIM reader testing.
Product Code
MJS-38 Module Test Jig: 0770416
View of MJS-38
Note: The nominal supply voltage for MJS-38 is +4.2 V.
The supply voltage must not exceed +5.0 V (min 3V).
(MJS-38 includes overvoltage, overcurrent and reversed polarity protection).
For flashing with FPS-8, it is possible to bypass the regulator
(jumper).
Issue 2 06/03 CopyrightNokia. All rights reserved Page 5
NHL-4J/NHL-4JX Company confidential
Service tools CCS Technical Documentation
MJS-90 Soldering Jig
MJS-90 Soldering Jig is used for soldering and as a rework jig for TB3 module.
Product Code
MJS-90 Module Jig: 0770493
View of MJS-90
Page 6 CopyrightNokia. All rights reserved Issue 2 06/03
Company confidential NHL-4J/
CCS Technical Documentation Service tools
SRT-10 Camera Removal Tool
SRT-10 is used for disassembly and assembly of the camera.
Product Code
SRT-10 Camera Removal Tool: 0770556
View of SRT10
Issue 2 06/03 CopyrightNokia. All rights reserved Page 7
NHL-4J/NHL-4JX Company confidential
Service tools CCS Technical Documentation
SES-3 Rework Stencil 0770558
Rework Stencil is used for PA Chip N700 (LGA type component) rework.
It is used together with Rework Jig MJS-76 and SPS-1 Soldering Paste Spreader.
The tools needed for rework include:
MJS-76 Rework Jig: 0770417
SES-3 Stencil: 0770558
SPS-1 Soldering Paste Spreader: 0770381
Page 8 CopyrightNokia. All rights reserved Issue 2 06/03
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