Nokia 7250, 7250i Manuales De Servicio
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NHL-4J/NHL-4JX
Company confidential
System Module and User Interface
CCS Technical Documentation
Page 4
Nokia Corporation.
Issue 2 06/03
Schematics/Layouts, TK8_12 module (A3 size)................................................................................................
User Interface diagram 1 (ver.0.0 ed.16) ................................................................................................ 1
Parts Placement diagram ............................................................................................................................ 2
Parts Placement diagram ............................................................................................................................ 2
Schematics/Layouts, TB3_18 module (A3 size)................................................................................................
Block diagram 1 (ver.0.0 ed.4) ....................................................................................................................1
Block Diagram 2 (ver. 0 ed. 275) ...............................................................................................................2
System connector/baseband (ver.0.0 ed. 51) ..........................................................................................3
User Interface (ver. 0.0 ed. 53) ...................................................................................................................4
SIM reader (ver.0.0 ed. 15) ..........................................................................................................................5
Power management (ver. 1.3 ed. 106) ...................................................................................................6
DC/DC converter (ed. 0.0 ver.8) ..................................................................................................................7
Old power discrete (ver. 0 ed.7) .................................................................................................................8
Light filtering (ed. 2.0 ver 27)......................................................................................................................9
Power thermal resistor ...............................................................................................................................10
UPP_8M (ed. 2.0 ver. 101) .........................................................................................................................11
UPP decoupling capacitors (ed.1.3 ver. 9) ............................................................................................ 12
Flash (ed. 2.0 ver.28) .................................................................................................................................. 13
Flash decoupling capacitors (ver. 2.0 ed.4) .......................................................................................... 14
FM radio IC (ver.1.3 ed 145) .................................................................................................................... 15
FM radio unit (Ver. 0.0 ed. 117) ............................................................................................................... 16
RF/BB interface (ver. 1.3 ed. 40) ............................................................................................................ 17
Audio (ver. 0.0 ed. 41) ................................................................................................................................ 18
IR (Ver. 0.0 ed. 32) ....................................................................................................................................... 19
IR thermal resistor (ver. 0.0 ed. 5) .......................................................................................................... 20
RF Block Diagram (ver. 0.0 ed.5) ..............................................................................................................21
RF shields (ver. 0.0 ed.6)............................................................................................................................ 22
RF IC HELGA (ver. 0.0 ed.2) ...................................................................................................................... 23
RX Front End and Antenna Switch (ver. 0.0 ed.2 ) ............................................................................ 24
Power amplifier detection (ver. 0.2 ed. 3) ........................................................................................ 25
Parts Placement TB3_18, bottom .......................................................................................................... 26
Parts Placement TB3_18, top ................................................................................................................ 27
Test Points TB3_18, top side ................................................................................................................... 28
List of Test Points ........................................................................................................................................ 30
Block Diagram 2 (ver. 0 ed. 275) ...............................................................................................................2
System connector/baseband (ver.0.0 ed. 51) ..........................................................................................3
User Interface (ver. 0.0 ed. 53) ...................................................................................................................4
SIM reader (ver.0.0 ed. 15) ..........................................................................................................................5
Power management (ver. 1.3 ed. 106) ...................................................................................................6
DC/DC converter (ed. 0.0 ver.8) ..................................................................................................................7
Old power discrete (ver. 0 ed.7) .................................................................................................................8
Light filtering (ed. 2.0 ver 27)......................................................................................................................9
Power thermal resistor ...............................................................................................................................10
UPP_8M (ed. 2.0 ver. 101) .........................................................................................................................11
UPP decoupling capacitors (ed.1.3 ver. 9) ............................................................................................ 12
Flash (ed. 2.0 ver.28) .................................................................................................................................. 13
Flash decoupling capacitors (ver. 2.0 ed.4) .......................................................................................... 14
FM radio IC (ver.1.3 ed 145) .................................................................................................................... 15
FM radio unit (Ver. 0.0 ed. 117) ............................................................................................................... 16
RF/BB interface (ver. 1.3 ed. 40) ............................................................................................................ 17
Audio (ver. 0.0 ed. 41) ................................................................................................................................ 18
IR (Ver. 0.0 ed. 32) ....................................................................................................................................... 19
IR thermal resistor (ver. 0.0 ed. 5) .......................................................................................................... 20
RF Block Diagram (ver. 0.0 ed.5) ..............................................................................................................21
RF shields (ver. 0.0 ed.6)............................................................................................................................ 22
RF IC HELGA (ver. 0.0 ed.2) ...................................................................................................................... 23
RX Front End and Antenna Switch (ver. 0.0 ed.2 ) ............................................................................ 24
Power amplifier detection (ver. 0.2 ed. 3) ........................................................................................ 25
Parts Placement TB3_18, bottom .......................................................................................................... 26
Parts Placement TB3_18, top ................................................................................................................ 27
Test Points TB3_18, top side ................................................................................................................... 28
List of Test Points ........................................................................................................................................ 30