After Sales
Technical Documentation
RAE/RAK–1N
Baseband
Page 2–28
Original, 08/96
If the phone is in power–off state, the PSL+ will detect the charging
voltage and turn on the phone. If the battery voltage is high enough the
reset will be released and the MCU will start controlling charging. If the
battery voltage is too low the phone stays in reset state and the charging
control circuitry will pass small charging current to the battery. When the
battery voltage has reached 5.5 V (+/– 0.2 V) the reset will be removed
and the MCU starts controlling charging.
MCU controls the charging with pulse width modulation output. Charging
voltage is limited by hardware in normal operation to 8.9 V and during a
call to 7.6 V.
Battery and charging voltages are calibrated in production; 6V is fed to the
battery and charger pin and the MCU‘s A/D converter values are stored to
EEPROM.
Main components
– PSL+ ASIC (N230)
Generates voltages, contains power on switch, charger and
battery voltage detector and watchdog.
– transistors BCP69–25 (V250), BCV27 (V253,V254), BCW30 (V255)
and Schottky STPS340U (V251)
These components are used for implementing the charging
switch.
– transistors BCX51 (V231) and BCP69–25 (V230, V232)
External output transistors for VL1/VL2 and VA3 regulators in
PSL+.
DSPU
Introduction
The DSPU performs of the low–level digital signal processing and control
tasks required in channel monitoring and speech and data calls. The
DSPU resides physically both in MCM2 (DSP and RAMs) and on CMT
motherboard (clock generator and Schottky diode AND gate). Main
interfaces of the DSPU:
– MCU via ASIC mailbox
– ASIC
– audio codec
– data bus interface (DBUS) for tracing purposes
– digital audio interface (DAI) for type approval measurements
Summary of Contents for 9000i
Page 7: ...After Sales Technical Documentation RAE RAK 1N Series Original 08 96 Chapter 1 Overview ...
Page 287: ...After Sales Technical Documentation RAE RAK 1N Series Original 08 96 Chapter 9 Service Tools ...
Page 301: ...After Sales Technical Documentation RAE 1N Series Original 04 97 Chapter 10 Schematics ...
Page 303: ...RAE 1N Original 08 96 10 11 Page 1 Figure 1 Component Layout Bottom ...
Page 304: ...RAE 1N Original 08 96 10 12 Page Figure 2 Component Layout Top ...
Page 305: ...RAE 1N Original 08 96 10 13 Page Figure 3 Baseband Circuit Diagram PWRU ...
Page 306: ...RAE 1N Original 08 96 10 14 Page Figure 4 Baseband Circuit Diagram MCM1 ...
Page 307: ...RAE 1N Original 08 96 10 15 Page Figure 5 Baseband Circuit Diagram MCM2 ...
Page 308: ...RAE 1N Original 08 96 10 16 Page Figure 6 RF TX Circuit Diagram ...
Page 309: ...RAE 1N Original 08 96 10 17 Page Figure 7 RF RX Circuit Diagram ...
Page 310: ...RAK 1N 10 20 Page Amendment 1 04 97 Figure 18 PCN Component Layout Bottom ...
Page 311: ...RAK 1N 10 21 Page Amendment 1 04 97 Figure 19 PCN Component Layout Top ...
Page 312: ...RAK 1N 10 22 Page Amendment 1 04 97 Figure 20 PCN RF TX ...
Page 313: ...RAK 1N 10 23 Page Amendment 1 04 97 Figure 21 PCN RF RX ...
Page 314: ...RAK 1N 10 24 Page Amendment 1 04 97 Figure 22 UIF Schematic PCN ...
Page 315: ...RAK 1N 10 25 Page Amendment 1 04 97 Figure 23 UIF Component Layout PCN ...
Page 316: ...RAE 1N Original 05 97 10 3 Page Figure 1 PDA Block Diagram Edit 82 for layout 13a ...
Page 317: ...RAE 1N Original 05 97 10 4 Page Figure 2 PDA Power Unit PWRU Edit 108 for layout 13a ...
Page 318: ...RAE 1N Original 05 97 10 5 Page Figure 3 PDA Serial Interface SIRU Edit 24 for layout 13a ...
Page 319: ...RAE 1N Original 05 97 10 6 Page Figure 4 PDA MCU and Memory PROCU Edit 121 for layout 13a ...
Page 320: ...RAE 1N Original 05 97 10 7 Page Figure 5 PDA EMIU Edit 21 for layout 13a ...
Page 321: ...RAE 1N Original 05 97 10 8 Page Figure 6 Keyboard matrix Edit 24 for layout 13a ...
Page 322: ...RAE 1N Original 05 97 10 9 Page Figure 7 PDA Memory Edit 28 for layout 13a ...
Page 323: ...RAE 1N Original 05 97 10 10 Page Figure 8 PDA Component Layout 13a ...
Page 324: ...RAE 1N Original 08 96 10 18 Page Figure 1 UIF Schematic ...
Page 325: ...RAE 1N Original 08 96 10 19 Page Figure 2 Component Layout Uif ...
Page 326: ...After Sales Technical Documentation RAE RAK 1N Series Original 08 96 Accessories ...
Page 352: ...After Sales Technical Documentation Appendix 2 RAE RAK 1N Amendment 1 04 97 PARTS LISTS ...
Page 402: ...After Sales Technical Documentation Appendix 1 RAE RAK 1N Original 08 96 QUICK GUIDE ...
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