Download
Share
Print this page
Motorola P7389i Product Manual
  1. Manuals
  2. Brands
  3. Motorola Manuals
  4. Telephone
  5. TimePort P7389i
  6. Product manual
Motorola P7389i Product Manual

Motorola P7389i Product Manual

Hide thumbs Also See for P7389i:

Advertisement

Quick Links

Download this manual See also: Service Manual, User Manual
P7389i
Level 3 Product Guide
Level 3

Circuit Description

25 / 07 / 00
V1.0

Advertisement

loading

Related Manuals for Motorola P7389i

Summary of Contents for Motorola P7389i

  • Page 1: Circuit Description

    P7389i Level 3 Product Guide Level 3 Circuit Description 25 / 07 / 00 V1.0...
  • Page 2 P7389i – Circuit Description Receive 1) The RF Signal from the base station is received through the Antenna or from the Accessory Connector J600 and is fed to Pin 10 or Pin 3 respectively of the RF Switch U150, the switch acts as an isolation between TX and RX. The RF Switch control provided by U151.This decides whether the Switch is opened for TX or RX and if the...
  • Page 3 P7389i – Circuit Description 7) The amplified signal is now injected to the base of the dual transistor mixer Q450. Both mixers are supported by RX275 (Q112).The tuned emitter biasing voltage is provided by RX275_GSM (Q110) and RX275_DPCS (Q2102) 8) The...
  • Page 4 P7389i – Circuit Description 13) The signal is then passed to the new MAGIC DM DM IC U200 PRE IN Pin A7 (Multiple Accumulator GSM IC Dual Mode) 14) The signal is then demodulated internally using an external 800 MHz Varactor diode...
  • Page 5 P7389i – Circuit Description H3. When the headset is connected an interrupt will be sent from Headset Jack J504, connection 1 as HEAD_INT_L Whitecap U800 Pin N3. 3) Within the GCAP II the analogue audio will be converted to digital and clocked out...
  • Page 6 P7389i – Circuit Description 9) The data is transmitted from Whitecap to MAGIC DM on TX SPI bus BDX, within the MAGIC DM each bit of data is clocked into a register. The clocked bit and the 3 preceding bits on the register are then clocked into the look up ROM, which looks at the digital word and from that information downloads the appropriate GSMK digital representation.
  • Page 7 P7389i – Circuit Description Support Voltage being SF_OUT (MAGIC DM Pin C1) 14) The signal is then fed out through a buffer amplifier Q330, which is supported by TX275. The signal is also split with a sample of the output frequency being directed...
  • Page 8 P7389i – Circuit Description Pin 7.This output drives the power control port of the exciter. An increase of this voltage will cause the exciter to increase its output power. SAT_DET Pin 12. If the feedback signal from the RF detector lags too far behind the AOC signal then this output will go low, indicating that the loop in at or near saturation.
  • Page 9 Pin E10 – B+) 3) Charger Power Source: The L7389, 9 used the mid rate charger. This will not be available to the P7389I, if used the unit will power down! When the charger is connected into the accessory plug J600, EXT B+ will be available at Pin 14.

  • Page 10: Rtc Battery

    P7389i – Circuit Description • – Programmed to 2.003V to support the Whitecap, but does support the normal 2.75V logic output from the Whitecap, it originates from GCAP II Pin B5 and can be measured on C909 or C910. •...
  • Page 11 P7389i – Circuit Description 6) The unit will then follow on as in the sequence below: RESET EPROM CE SRAM VB&LB SPI_CE GCAP SPI_CE MAGIC CLK SELECT VCLK BFSR 1.7 after RESET, BCKLR at 1.6s DSC_EN DOWNLINK UPLINK On initial power up, all the keypad backlights (DS500 –...
  • Page 12 P7389i – Circuit Description onto the cathode of the Varactor CR248. Which regulates the output to a stable 13MHz clock. Once the software is running and the logic side of the board has successfully powered up, the CLK_SELECT signal from Whitecap Pin A1 is fed to MAGIC DM Pin G6.
  • Page 13 P7389i – Circuit Description are present, but colder than –15 deg C and no card is inserted then the output of the comparator Q905 will stay high and the unit will display ‘Insert Card’. Once the battery temperature goes above that (BATT_THERM Voltage approximately 2.51V)
  • Page 14 P7389i – Circuit Description FAST KBR0 ACCESS KBR1 KBR2 MENU SCROLL DOWN MENU KBR3 SCROLL DOWN KBR4 KBC0 FAST VOL UP MENU ACCESS DOWN MAIL CLEAR KBC1 DOWN KBC2 VOL UP MAIL MENU SCROLL MENU CLEAR MENU KBC3 SCROLL KBC4...
  • Page 15 P7389i – Circuit Description 3) The signal IrDA_EN (Whitecap Pin B2) turns off the transmitter and opens the receiver path. 4) Within the module the pulse stretcher is integrated to allow compatibility between the received signal and Whitecap. 5) The module is supported by...
  • Page 16 RX MID CHANNELS GSM: CH 62 -- 947,4 MHz EGSM: CH 37 -- 942,4Mhz RF_V2 DCS: CH 700 -- 1842,8MHz Osc. LOCAL PCS: CH 661 -- 1960MHz 800MHz GSM LNA discrete OSCILLATOR circuty -2,5dB -3,5dB +13 dB Q203 RX_EN U200 Q112 FL400 Q400...
  • Page 17 VDDS KBR0, KBR1, KBR2 H2, H1, H3 C14, F10, G4, H4, K5, P13 VCC_MEMIF KBC0, KBC1, KBC2 J5, J3, J2 to Keyboard KEYPAD A9, A10, C5, K6, K10, M8, M11 BKLT_EN DISPLAY VCCA WHITE_CAP to Display DP_EN_L INTERFACE MAGIC SPI to MAGIC SIMPD0 J902...
  • Page 18 REVISIONS GSM SERVICE SUPPORT GROUP 22.06.00 Level 3 Layout Rev. 1.0 GPRS LEAP 8485776k10_ P10.1 Michael Hansen, Ralf Lorenzen, Ray Collins Page 1 of 2...
  • Page 19 REVISIONS GSM SERVICE SUPPORT GROUP 22.06.00 Level 3 Layout Rev. 1.0 GPRS LEAP 8485776k10_ P10.1 Michael Hansen, Ralf Lorenzen, Ray Collins Page 1 of 2...
  • Page 20 ? All signals & voltages present in this procedure has to be clear and at correct level ; on pg.2 for the right value compare them with a good pcb. pag.1 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 21 Insert Headset All signals & voltages present in this procedure has to be clear and at correct level ; on pg.2 for the right value compare them with a good pcb. pag.2 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 22 All signals & voltages present in this procedure has to Check if there is an be clear and at correct level ; for the right value compare them with a good pcb. intermittent fault then pag.3 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 23 If OK check Q450 NOTE1 or Faulty. Check for intermittent NOTE1 : check if any components mentioned are problem. correctly positioned , have not dry joint and aren't pag.4 not phisically damaged . - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 24 If OK check Q450 NOTE1 or Faulty. NOTE1 : check if any components mentioned are correctly positioned , have not dry joint and aren't Check for intermittent problem. not phisically damaged . pag.5 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 25 Is present Check Q2101 RX275_GSM_PCS on NOTE1 or Faulty. pin2 of Q2101 ? Check Q2102 Is present RX275_DPCS NOTE1 or Faulty. on pin2 of Q2102 ? The problem is elsewhere. pag.6 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 26 If still NOT OK check also U800 NOTE1 or Faulty. NOTE1 : check if any components mentioned are correctly positioned , have not dry joint and aren't not phisically damaged . pag.7 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 27 If All are OK check U350, U200 NOTE1 or Faulty. NOTE1 : check if any components mentioned are correctly positioned , have not dry joint and aren't not phisically damaged . pag.8 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 28 NOTE1 or Faulty. U390 ? NOTE1 : check if any components mentioned are Check Q370/1/2/3 correctly positioned , have not dry joint and aren't NOTE1 or Faulty. not phisically damaged . pag.9 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 29 If All are OK check U300, CR301/2/3/5 NOTE1 NOTE1 : check if any components mentioned are or Faulty. correctly positioned , have not dry joint and aren't not phisically damaged . pag.10 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 30 1 of Q2120 ? NOTE1 : check if any components mentioned are Check Q2120 correctly positioned , have not dry joint and aren't NOTE1 or Faulty. not phisically damaged . pag.11 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 31 4 and 6 of problem Q1100 ? NOTE1 : check if any components mentioned are Check Q1100 correctly positioned , have not dry joint and aren't NOTE1 or Faulty. not phisically damaged . pag.12 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 32 R238 ? If OKverify U200 NOTE1 or faulty. (close U200) NOTE1 : check if any components mentioned are correctly positioned , have not dry joint and aren't not phisically damaged . pag.13 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 33 R911, try to Check if it is an intermittent problem then sent NOTE1 : check if any components mentioned are to HTC correctly positioned , have not dry joint and aren't not phisically damaged . pag.14 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 34 NOTE1 or Faulty. intermittent problem. terminal the Ring signal ? NOTE1 : check if any components mentioned are correctly positioned , have not dry joint and aren't not phisically damaged . pag.15 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 35 Faulty about 0,5Volt ? Check J504 NOTE1 or Faulty NOTE1 : check if any components mentioned are correctly positioned , have not dry joint and aren't not phisically damaged . pag.16 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 36 Check J504 NOTE1 U800 NOTE1 or or Faulty Faulty NOTE1 : check if any components mentioned are correctly positioned , have not dry joint and aren't not phisically damaged . pag.17 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 37 Check U903, U904 and relative components NOTE1 or Faulty. NOTE1 : check if any components mentioned are correctly positioned , have not dry joint and aren't not phisically damaged . pag.18 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...

  • Page 38: No Real Time Clock

    Check U500 NOTE1 or faulty. If OK check U800 NOTE1 or faulty. NOTE1 : check if any components mentioned are correctly positioned , have not dry joint and aren't not phisically damaged . pag.19 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 39 If you don't found any difference send PCB to HTC NOTE1 : check if any components mentioned are correctly positioned , have not dry joint and aren't not phisically damaged . pag.20 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 40 NOTE1 or Faulty. on R244 ? Check U200 NOTE1 or Faulty. NOTE1 : check if any components mentioned are correctly positioned , have not dry joint and aren't not phisically damaged . pag.21 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 41 J604 NOTE1. NOTE1 : check if any components mentioned are Check Q900 NOTE1 or correctly positioned , have not dry joint and aren't Faulty not phisically damaged . pag.22 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 42 Check U501 (there must be about 1,3Volt on pin4) and vibrator contacts. NOTE1 : check if any components mentioned are correctly positioned , have not dry joint and aren't not phisically damaged . pag.23 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 43 GPRS Tri Band T260 Level 3 procedure Rev.1 - MOTOROLA Level3 Authorized - mercoledì, gennaio 24, 2001...
  • Page 44 REVISIONS GSM SERVICE SUPPORT GROUP 22.06.00 Level 3 Connector Schematics Rev. 1.0 GPRS LEAP 8485776k10_ P10.1 Michael Hansen, Ralf Lorenzen, Ray Collins Page 1 of 1...
  • Page 45 Elastomeric Pinout J902 IRS* CAP 2- CAP 2+ CAP 1- CAP 1+ CAP 3- Negative Supply for LCD -10V VOUT DATA (7:0) DATA (15 : 0) Data / Command /RES RESET DP_EN_L /CS1 REVISIONS GSM SERVICE SUPPORT GROUP 03.07.00 Level 3 Display Connector Schematics Rev.
  • Page 46 RVCO_PCS RX275_GSM RVCO_DCS RX275 RX275_DPCS RVCO_275 RVCO_PCS RVCO_DCS V1_SW SF_OUT RF_V2 TX275_DPCS TX_EN SF_OUT WATCHDOG Alert Pad’ s SH18 TP861 TP860 TP500 TP864 PLL_EMIT LO2_CP LO2_EMIT PLL_BASE PRE_IN SRAM SRAM 942,5MHz WHITE_CAP PLL_CP CLK-OUT MAGIC PRSC_IN J600 EXT CONN FLASH CP_RX 26MHz EPROM...
  • Page 47 TX275 TX_GSM PA_B+ TX_DCS RX275_DPCS RX275_GSM_PCS *GSM_SEL TX275 RX_EN RX275 STBY_DL DISPLAY J902 CONN /CS1 /RES Data/Command 942,5MHz RTC_BATT_CONN VOUT SAW FILTER IRS* 400MHz RX Local Osc. TX_GSM TX_DCS RF_V2 TX_EN SW_VCC *PCS_SEL *DCS_SEL *GSM_SEL RVCO_DCS RVCO_PCS RX275_GSM RX275_DCS RVCO_275 V1_SW GSM RX ANTENNA SIGNAL FILTERED GSM RX ANTENNA SIGNAL...

This manual is also suitable for:

Timeport p7389i