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Panasonic EB-GD35, Service Manual

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Panasonic EB-GD35 Service Manual Download Page 35

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EB-GD35 EB-GD35C

35

6.4.

Channel Box Test Commands

The following table outlines the commands available using the channel box software.
After  the  telephone  unit  has  been  switched  on  (Section 6.4),  use  the  up /  down  cursor  keys  on  the  PC  keyboard  to  select  the
channel box command. Use the left / right cursor keys to display the required indication and then press the ENTER key to select the
displayed function.

CHANNEL BOX COMMAND

INDICATION

FUNCTION

TEST MODE

<TERM>

Terminates test mode.

<ReST>

Restarts test mode

INITIALIZE

<INIT>

When RETURN is pressed this will reset the default channel settings.

CHANGE CH GSM

<xxx>

Sets up predefined channel settings for GSM frequencies.

CHANGE CH DCS

<xxx>

Sets up predefined channel settings for DCS frequencies.

POWER LEVEL

<xxx>

Allows a specified power level to be set at the UUT.

TX DATA

Sets TX Modulation to

<NRL 0>

Normal burst DATA all 0s

<NRL 1>

Normal burst DATA all 1s

<NRL R>

Normal burst DATA all random

<ACC R>

Access burst DATA random

RSSI (DBM)

<xxx>

Provides an RSSI reading on the User specified channel.

SET AGC 1

<xxx>

Allows changes to AGC levels on LOW, MIDDLE, HIGH channels.

SET AGC 2

<xxx>

SET AGC 3

<xxx>

SP LOOP BACK

<START>

Provides an audio path for use with the GSM test station
Sets audio loop-back from TX audio to RX audio without processing 
by the CODEC

<STOP>

PATH CONT

Sets audio paths:

<MOSO>

MIC off speaker off

<MESI>

MIC external speaker internal

<MESE>

MIC external speaker external

<MISI>

MIC internal speaker internal

<MISE>

MIC internal speaker external

VOL. BUZZ

<xx>

Sets buzzer volume between values 0 to 3 (Min to Max)

VOL. SIDE

<xx>

Sets 4 side tone volume levels between 0 dB and -18 dB

VOL. MIC

<xx>

Sets 8 MIC volume levels between 26 dB and 40 dB

VOL. SP1

<xx>

Sets speaker pre-amp volume levels

VOL. SP2

<xx>

Sets speaker volume levels

GET KEY CODE

<ENABLE> <DISABLE>

Displays the value of a key pressed on the keypad

CONTROL OUT

<LED R>

Switches on Incoming LED

<LED B>

Switches on Backlight LEDs

<CHARGE ON>

Switches charge sequence on LCD

<LED C>

Switches on Charging LED

<HF ON>

Switches on handsfree mode

<ALL OFF>

Switches off all above

<ALL ON>

Switches on all above

CHECK LCD1

<P1>

Provides 50% visual display of check pattern on the UUT LCD

<P2>

Provides 50% visual display of check pattern on the UUT LCD

SET ER.DISP

<ENABLE>

Unit error codes will be displayed on the UUT display

<DISABLE>

Unit error codes will not be displayed on the UUT display

SOFT SIM

<ENABLE> <DISABLE>

With ENABLE set and TEST MODE <TERM> the UUT is removed 
from test mode and can be placed into call mode

TEST MODE

<TERM>

With SOFT SIM <ENABLED> the UUT will be removed from test 
mode and can be placed into a call

SIM STATUS

<SHOW>

Checks and displays the SIM status

CHECK SUM

<SHOW>

Displays the software checksum

Summary of Contents for EB-GD35

Page 1: ...mm Volume 100 ml Weight 109 g Display Graphical chip on glass liquid crystal Alphanumeric 16 characters x 3 rows 2 lines of icons Illumination 4 LEDs for the LCD 8 LEDs for the keypad Green 1 LED Incoming call Green 1 Charging LED Red Keys 18 key Keypad Navigation key SIM Plug in type only External DC Supply Voltage 5 8 V Battery 3 6 V nominal 700mAh Ni MH Standby Battery Life 175 hrs maximum Conv...

Page 2: ...neral 4 2 2 Features 4 2 3 Handportable Main Kit 4 3 OPERATING INSTRUCTIONS 3 1 General 5 3 2 LCD Display 5 3 3 Location of Controls 6 3 4 Concept of Operation 7 3 5 Alpha Entry 7 3 6 Incoming Call Line Modification CLI 8 3 7 Hot Key Dial Source List 8 3 8 Features Menu Structure 8 3 9 Public Man Machine Interface MMI 9 3 10 Troubleshooting 12 3 11 Important Error Messages 13 3 12 Security Codes 1...

Page 3: ...arried out 4 Illustrated parts list provided to enable the identification of all equipment components for the ordering of spare replacement parts 1 3 Servicing Responsibilities The procedures described in this manual must be performed by qualified service engineering personnel at an authorised service centre The service engineering personnel are responsible for fault diagnosis and repair of all eq...

Page 4: ...d domestic use The following features are provided 1 Triple Rate which includes Full Rate Half rate and Enhanced Full Rate EFR speech codec 2 Dual Band GSM 900 and GSM 1800 operation 3 Tegic T9 Text Entry 4 Voice Ringer 5 Wireless Application Protocol WAP Browser 6 Backup Battery 2 3 Handportable Main Kit Figure 2 1 Handportable Main Unit Kit Contents ITEM DESCRIPTION PART NUMBER 1 Main Unit EB GD...

Page 5: ...ys a small icon related to the current status of the telephone telephone is roaming on a non home network using the Call Divert feature or the telephone has Call Divert set shows that vibration alert is switched on shows that the telephone is in silent mode no tones flashes to indicate that there are unread text SMS messages Lit when SMS area is full indicates the telephone is locked shows that th...

Page 6: ...ng Alpha Entry Personal Dial Key Provides instant access to one phone number Also provides shortcut to WAP Browser and to SMS Send Key Makes a call Clear Key Clears the last digit entered clears all digits when pressed and held or returns to the previous display End Key Ends a call or switches the telephone on off when pressed and held to Digit keys Enter wild numbers or pauses when pressed and he...

Page 7: ... short time the cursor will move to the next position To cycle between Greek characters extended characters W numerals X and normal characters U press 3 5 2 Editing Alpha Entry Pressing will move the cursor up or down one line Pressing will move the cursor left or right one character When the cursor is moved over a character and another key pressed this will insert the new character Pressing will ...

Page 8: ...nction Calculator Game Browse Create Alert Profile Review My Numbers Hot Key Dial Received List Send List Create Review Parameters Broadcasts Receive Message List Topics Languages Security Network Call Divert Call Service Last Call All Calls Call Waiting Caller s ID Withhold ID Line Selection Voice Calls Cancel All Status Phone Lock Call Bar PIN PIN2 Fixed Dial Barred Dial New Network Search Mode ...

Page 9: ...nebook Memory Location MEMORY LOCATION Leading zeros can be left out of the location number e g 007 can be 7 3 9 3 Presentation of IMEI 0 6 3 9 4 Security 3 9 5 Call Hold 3 9 6 Call Waiting Change PIN 0 4 OLD PIN NEW PIN NEW PIN Change PIN2 0 4 2 OLD PIN2 NEW PIN2 NEW PIN2 Unblock PIN 0 5 PIN UNBLOCKING KEY NEW PIN NEW PIN Unblock PIN2 0 5 PIN2 UNBLOCKING KEY NEW PIN2 NEW PIN2 Place a Call on Hold...

Page 10: ...Disable SERVICE CODE SND Temporary Suppress Identification 3 1 TELEPHONE NUMBER SND Temporary Display Identification 3 1 TELEPHONE NUMBER SND Service MMI Service Code All teleservices 10 Telephony 11 All data teleservices 12 Facsimile services 13 Short Message Services SMS 16 All teleservices except SMS 19 Voice group services 17 Service MMI Service Code All bearer services 20 All asynchronous ser...

Page 11: ...G sec SND Clear SERVICE CODE TELECOMMUNICATION SERVICE SND Status SERVICE CODE TELECOMMUNICATION SERVICE SND Clear all Call Diverts 0 0 2 Call Ball Type Service Code All outgoing calls 33 Outgoing International calls 331 Outgoing International calls except those to the PLMN country 332 All incoming calls 35 Incoming international calls when roaming 351 Set PASSWORD TELECOMMUNICATION SERVICE SND Cl...

Page 12: ...n charging If a battery is deeply discharged it will take a short time before there is sufficient power in the telephone to light the battery level indicator Leave to charge for several minutes in temperatures between 5 C and 35 C Calls cannot be made The telephone is locked Unlock the telephone Menu Security Phone Lock Outgoing calls are barred Disable the outgoing call barring Menu Security Call...

Page 13: ...ers Auto Delete Store Full PIN2 Invalidated The PIN2 is blocked permanently because the wrong PUK2 has been entered 10 times Services controlled by PIN2 cannot be used Contact the Service Provider Warning Store Full The message area is full New messages cannot be stored until some of the currently stored messages are deleted Continue Auto Redial List Full Redial list of unsuccessfully dialled numb...

Page 14: ... at a later stage Enabling disabling is available by entering a special key sequence immediately after power on Once the enable disable menu is shown it is possible to select the type of personalisation When personalisation is enabled it is only possible to disable it if the mobile contains an illegal SIM and the sixteen digit Control Key CK is known When enabled the CK is withheld from the user a...

Page 15: ...or Correc tion Options 21 Asynchronous 300 bps Asynch 300 bps UDI or modem T or NT 22 Asynchronous 1 2 kbps Asynch 1 2 kbps UDI or modem T or NT 23 Asynchronous 1200 75 bps Asynch 1200 75 bps UDI or modem T or NT 24 Asynchronous 2 4 kbps Asynch 2 4 kbps UDI or modem T or NT 25 Asynchronous 4 8 kbps Asynch 4 8 kbps UDI or modem T or NT 26 Asynchronous 9 6 kbps Asynch 9 6 kbps UDI or modem T or NT 4...

Page 16: ...900 CYPRUS 357 CYTAGSM CY CYTAGSM 280 01 GSM 900 CZECH_REPUBLIC 42 EUROTEL GSM EUROTEL CZ 230 02 GSM 900 OSKAR OSKAR 230 03 not known Radio Mobil CZE PAEGAS CZ 230 01 GSM 900 DENMARK 45 SONOFON DK SONOFON 238 02 GSM 900 TDK MOBIL DK TDK MOBIL 238 01 GSM 900 Telia DK Telia DK 238 20 GSM 1800 mobilix mobilix 238 30 GSM 1800 EGYPT 20 EGY CLICK GSM EGY CLICK GSM 602 02 not known MobiNil MobiNil 602 01...

Page 17: ...10 01 GSM 900 TELKOMSEL IND TELKOMSEL 510 10 GSM 900 IRELAND 353 EIRCELL GSM IRL EIR GSM 272 01 GSM 900 IRL DIGIFONE IRL DIGIFONE 272 02 GSM 900 ITALY 39 BLU I BLU 222 98 GSM 1800 I WIND I WIND 222 88 GSM 1800 OMNITEL I OMNITEL 222 10 GSM 900 TELECOM ITALIA MOBIL I TIM 222 01 GSM 900 JORDAN 962 Fastlink Fastlink 416 01 GSM 900 KUWAIT 965 MTCNet KT MTCNet 419 02 GSM 900 LATVIA 371 BALTEL LV BALTEL ...

Page 18: ...00 North West GSM North West GSM 250 02 GSM 900 SAUDI_ARABIA 966 EAE ALJAWWAL EAE ALJAWWAL 420 07 GSM 900 MoPTT DMTS 1 ALJAWWAL 420 01 GSM 900 SEYCHELLES 248 SEYCHELLES CELLULAR SERVICES CELLULAR SERVICE 633 01 GSM 900 SINGAPORE 65 M1 GSM M1 GSM SGP 525 03 GSM 900 ST GSM ST GSM SGP 525 01 GSM 900 ST GSM1800 SGP ST GSM1800 SGP 525 02 GSM 1800 SLOVAK REPUBLIC 42 EUROTEL SK EUROTEL 231 02 GSM 900 SLO...

Page 19: ...RKCELL GSM TR TURKCELL 286 01 GSM 900 UKRAINE 380 GOLDEN TELECOM GOLDEN TELECOM 255 05 GSM 1800 UA KYIVSTAR UA KYIVSTAR 255 03 GSM 900 UA UMC UA UMC 255 01 GSM 900 UA WELLCOM UA WELLCOM 255 02 GSM 900 UNITED ARAB EMIRATES UAE 971 UAE ETISALAT ETISALAT G2 424 02 GSM 900 UNITED KINGDOM 44 BTCellnet UK BTCELLNET 234 10 GSM 900 ONE2ONE one2one 234 30 GSM 1800 ORANGE ORANGE 234 33 GSM 1800 VODAFONE UK ...

Page 20: ...for the control of the call bar function Supplied by the service provider PIN Personal Identification Number used for SIM security Supplied by the service provider PIN2 Personal Identification Number used for the control of Fixed Dial Memory and call charge metering Supplied by the service provider PUK PUK2 PIN PIN2 Unblocking Key Used to unblock the PIN PIN2 Supplied by the service provider Regis...

Page 21: ...lexible cord which has an integral safety resistor of between 5k2 and 1M2 shall be used Containers All containers and storage must be of the conductive type 4 2 Disassembly 4 2 1 Case Removal 1 Remove the battery cover by pushing it towards the base of the phone and then lifting it away from the case Figure 4 1 Battery Cover Removal WARNING The equipment described in this manual contains polarised...

Page 22: ...d inside the battery compartment Figure 4 3 Case Screw Removal 4 Remove the cover from the case by pulling from the connector end of the telephone Care must be taken when separating the case from the cover as the retaining clips may be very stiff if necessary re attach the battery cover to provide extra support for the case Figure 4 4 Case Cover Separation 10383 1 10384 1 10386 1 ...

Page 23: ...Gently prise apart the two ears of the LCD Retainer so that it is released from the PCB Figure 4 6 LCD Assembly Removal 2 The LCD assembly can now be removed from the PCB 3 To remove the LCD from its holder insert a blunt instrument or small screwdriver blade into the recess of the holder and gently lift up the side of the LCD Figure 4 7 Removing the LCD from its Holder 10385 1 10387 1 10388 1 ...

Page 24: ... screwdriver blade or similar blunt object through the slot in the side of the microphone holder Figure 4 9 Removal of Microphone 3 Lift the speaker from the case by inserting a small screwdriver blade or similar blunt object underneath it Figure 4 10 Speaker Removal 4 The Vibrate motor may be removed by gently applying pressure under the spindle counterweight Figure 4 11 Removal of Vibrate Motor ...

Page 25: ...ng by hand or with a pair of small pliers Figure 4 13 SIM Connector Removal 4 3 Reassembly Reassembly is the reverse of disassembly Ensure that the legs on the back of the LCD Holder are located in the corresponding holes of the PCB with the bevelled corners of the Holder facing the top of the phone before attaching the Retaining Clip Ensure that the securing screws are not over tightened as this ...

Page 26: ...re Frequency kHz Maximum Level dBm GSM 900 GSM 1800 400 19 22 600 21 24 1200 21 24 1800 24 27 Measurement conditions for output RF spectrum measurements Frequency Span 0 Hz Measurement Bandwidth 30 Hz Video Bandwidth 100 kHz Peak Hold Frequency Range Frequency Offset Filter Bandwidth Approximate Video Bandwidth Limits dBm GSM 900 GSM 1800 30 to 50 MHz 10 kHz 30 kHz 36 36 50 to 500 MHz 100 kHz 300 ...

Page 27: ...rance for Conditions dB Normal Extreme TBA Channels Propogation Conditions TUhigh Propogation Conditions RA Propogation Conditions HT Static Conditions Test Limit error rate Minimum No of samples Test Limit error rate Minimum No of samples Test Limit error rate Minimum No of samples Test Limit error rate Minimum No of samples TCH FS FER 6 742 α 8900 0 122 α 164000 class Ib RBER 0 42 α 1 000 000 0 ...

Page 28: ...nimum No of samples Test Limit error rate Minimum No of samples Test Limit error rate Minimum No of samples Test Limit error rate Minimum No of samples TCH FS FER 4 478 α 13400 0 122 α 164000 class Ib RBER 0 32 α 1 500 000 0 41 α 20 000 000 class II RBER 8 333 60 000 7 5 24000 9 333 30000 2 439 8200 NOTE 1 α 1 6 The value of a can be different for each channel condition but must remain the same fo...

Page 29: ...evel in dBµVemf GSM 900 GSM 1800 FR 600 kHz to FR 800 kHz 70 70 FR 800 kHz to FR 1 6 MHz 70 70 FR 1 6 MHz to FR 3 MHz 80 80 915 MHz to FR 3 MHz 90 FR 3 MHz to FR 980 MHz 90 FR 600 kHz to FR 800 kHz 87 1785 MHz to FR 3 MHz 87 835 MHz to 915 MHz 113 980 MHz to 1000 MHz 113 100 kHz to 835 MHz 90 1000 MHz to 12 75 GHz 90 100 kHz to 1705 MHz 113 1705 MHz to 1785 MHz 101 1920 MHz to 1980 MHz 101 1980 MH...

Page 30: ...y as they would be found in normal use Fault tracing can then be performed on the PCBs using suitable test equipment such as spectrum analysers and oscilloscopes The unit must now be tested and calibrated for both frequency bands 900 MHz and 1800 MHz 6 2 2 Jigs and Tools Interface Box Part No IFB003 IFB004 The Interface box provides IFB003 Voltage regulation for 7 2 V 5 6 V or 4 8 V DC outputs The...

Page 31: ...ry GSM signalling requirements and also provides GSM signal measuring facilities Dummy Battery Part No JT00062 The dummy battery is used for battery calibration and for serial connection software download Figure 6 3 Dummy Battery Channel Box Software This is the test software for the telephone unit and should be installed onto the personal computer to be used for testing RF CABLE DC POWER DATA CLA...

Page 32: ...tion The channel box software supplied on floppy disk should be installed onto the main drive of the personal computer The RF cable is connected to the GSM test station via a suitable adapter The 12 V supply is connected to the rear socket of the Interface box Two modes are available for testing the handheld unit 1 Test Mode The Test Mode facility allows various sections of the handheld unit to be...

Page 33: ...n 6 5 Channel Box Test Commands for further testing information Power On In Normal Mode 1 Connect the test equipment as shown in Section 6 3 2 Ensure that the following settings are made a Interface box IFB003 or IFB004 Power DOWN postion IGN UP position Ext Pwr UP position Voltage Top position 4 8 V b Power Supply 12 V DC ON c PC Channel box software loaded and the screen indicating as shown NOTE...

Page 34: ...e 6 6 PC Screen SCRN11 1 At the PC change the SOFT SIM field to read ENABLE Press ENTER 2 At the PC change the TEST MODE field to read TERM Press ENTER The UUT will power down and up again If the UUT is connected to a GSM test set after a delay of approximately five seconds the UUT will register service To return to test mode set the SOFT SIM field to DISABLE and set the TEST MODE field to TEST Pr...

Page 35: ... audio to RX audio without processing by the CODEC STOP PATH CONT Sets audio paths MOSO MIC off speaker off MESI MIC external speaker internal MESE MIC external speaker external MISI MIC internal speaker internal MISE MIC internal speaker external VOL BUZZ xx Sets buzzer volume between values 0 to 3 Min to Max VOL SIDE xx Sets 4 side tone volume levels between 0 dB and 18 dB VOL MIC xx Sets 8 MIC ...

Page 36: ... The following adjustments MUST be made on BOARD There are two distinct calibration procedures to adjust RF performance These procedures are 1 Ramping gain Section 6 5 2 2 RSSI Section 6 5 3 The adjustment data selected during calibration is stored in Flash ROM Figure 6 7 Test software screen NOTE See Section 6 2 for a list of the equipment and setup procedures required to perform the following ad...

Page 37: ...18 5 19 5 18 20 4 5 13 17 16 5 17 5 16 18 4 14 15 14 5 15 5 14 16 4 15 13 12 5 13 5 12 14 4 16 11 10 5 11 5 10 12 4 17 9 8 5 9 5 8 10 4 18 7 6 5 7 5 6 8 3 5 19 5 4 5 5 5 4 6 3 5 Power Level PL Output Power dBm Change dB Nominal Target Spec Min Max Min Max 0 29 05 28 8 29 3 28 8 29 3 3 1 27 8 27 3 28 3 27 0 28 8 3 5 2 26 25 5 26 5 25 27 4 3 24 23 5 24 5 23 25 4 5 4 22 21 5 22 5 21 23 4 5 5 20 19 5 ...

Page 38: ... cursor keys highlight NRL 1 and press ENTER 5 The channel box screen should appear as shown below Figure 6 8 Software Screen 2 6 If measured power is in the range of the target power then proceed to step 10 7 At the Channel box press F7 to view the TRIM for the mid channel Figure 6 9 Power level view 1 NOTE To ensure that the telephone operates within set SAR margins Panasonic recommends that a p...

Page 39: ...6 10 Power level view 2 9 Perform the following calculation and make a note of the result 10 At the Channel box press F6 to program the TRIM for the mid channel Figure 6 11 Power level selection 1 New Trim Value Old Trim Value Required Power Measured Power x Change per dB step 5 table step 2 table ...

Page 40: ...evel selection 3 13 Enter the value calculated in step 9 into the data field and then press ENTER 14 Press ESC 15 Re measure the peak power 16 Repeat steps 5 to 14 for the remaining power levels in the following order PL6 PL9 and PL19 Power levels between PL9 and PL6 Power levels between PL14 and PL9 Power levels between PL19 and PL14 17 Calibrate PL15 limits 0 2 dB ...

Page 41: ...e mid channel This procedure must also be carried out for low bottom channel and high top channel The procedure is as follows 1 Power the telephone into Test Set mode in the service channel box 2 Connect the telephone to the GSM Test Set and apply a carrier frequency of 68 kHz for channel 60 947 00 MHz at an input level of 90 dBm 3 At the channel box highlight CHANGE CH and using the left right cu...

Page 42: ...esult 7 At the channel box press F7 to view data 8 Select TRIM OTHER and make a note of the RSSI COMP GSM reading Figure 6 15 RSSI reading 1 9 At the Channel box press F6 to program data Figure 6 16 RSSI reading 2 RSSI offset value 90 MEASURED RSSI VALUE x 2 90 MEASURED RSSI VALUE x 2 for example 90 95 x 2 90 95 x 2 10 ...

Page 43: ...http cxema ru EB GD35 EB GD35C 43 10 Press ESC 11 Select TRIM RSSI and press ENTER Figure 6 17 RSSI reading 3 12 Highlight RSSI Mch GSM and press ENTER Figure 6 18 RSSI Reading 4 ...

Page 44: ... the RSSI level again by highlighting the RSSI dBm field again and press ENTER Figure 6 19 RSSI reading 5 17 Repeat steps 6 to 16 for both low bottom and high top channels 18 Repeat steps 6 to 16 for GSM 1800 on the following channels with the SET AGC 1 field set to 50 dB 19 Save TRIM Data Channel GSM 900 Low bottom 8 Mid 60 High top 115 Channel GSM 1800 Bottom 527 Low 620 Mid 760 High _ Top 868 ...

Page 45: ...onnect the dummy battery to phone as shown below Figure 6 20 Battery calibration test connections Temperature Calibration 1 Set the power supply voltage to exactly 3 6 V 2 Enter Test Set mode on the Service Channel Box 3 Power up the phone press Shift F10 4 Select 3 9 kΩ resistor value on the dummy battery 5 Scroll down and select CONTROL OUT Using the left right cursor keys select BVOLT and press...

Page 46: ...ma ru EB GD35 EB GD35C 46 6 Scroll down to TEMP BIAS Select 20µA and press ENTER Figure 6 22 Battery temperature calibration 2 7 Press F4 and select View ADC Lines Figure 6 23 Battery temperature calibration 3 ...

Page 47: ...urther investigation is required Otherwise subtract this value from the theoretical value of 41 and record the result for later use Figure 6 24 Battery temperature calibration 4 9 Press N in the repeat yes no box then press ENTER 10 Press F6 Scroll down to and highlight TRIM OTHER Press ENTER Figure 6 25 Battery temperature calibration 5 ...

Page 48: ...hat remains is to check the circuitry is working by testing the minimum temperature extreme to verify the offset readings are within acceptable limits 13 Select the 27 kΩ resistor value on the dummy battery and repeat steps 5 to 8 If the reading is outside the range 238 307 then there is a fault and further investigation is required Battery Voltage High Calibration 1 Connect the dummy battery to t...

Page 49: ... the resistor selection switch is in the OFF position 3 Enter Test Set Mode on the channel box Power up the phone press Shift F10 4 Scroll to CONTROL OUT select BVOLT and press ENTER Figure 6 28 High voltage calibration 1 5 Press F4 and select VIEW ADC LINES Figure 6 29 High voltage calibration 2 ...

Page 50: ... Note this is for VBAT high If the value is outside the range 564 664 then a fault is present and further investigation is required Figure 6 30 High voltage calibration 3 7 To calibrate press F6 Scroll down and highlight TRIM OTHER Press ENTER Figure 6 31 High voltage calibration 4 ...

Page 51: ...hlight BAT VOLT HIGH and press ENTER to select Figure 6 32 High voltage calibration 5 9 Enter the value recorded in step 6 Figure 6 33 High voltage calibration 6 Battery Low Voltage Calibration 1 Set the power supply voltage to exactly 3 2 V ...

Page 52: ...record the value for VBAT BAT LOW Note this is for VBAT low If the value is outside the range 468 50 then a fault is present and further investigation is required Figure 6 34 Low voltage calibration 1 3 To calibrate press F6 and scroll down to TRIM OTHER Press ENTER Figure 6 35 Low voltage calibration 2 ...

Page 53: ... 53 4 Select BAT VOLT LOW and press ENTER Figure 6 36 Low voltage calibration 3 5 Enter the value recorded in step 2 6 The message SAVING EV TRIM DATA will be displayed indicating that Battery voltage calibration has been completed ...

Page 54: ...BLY BLUE CASE GD35CASPA01K SERVICE CASE ASSEMBLY BLACK CASE GD35CASPA01W SERVICE CASE ASSEMBLY WHITE COVER GD35COVPA01B SERVICE COVER ASSEMBLY BLUE COVER GD35COVPA01K SERVICE COVER ASSY BLACK COVER GD35COVPA01W SERVICE COVER ASSEMBLY WHITE Ref Part Number Description M103 See Section 7 2 LCD PANEL M104 2BA527AAAA KEYSHEET GD35 ORANGE M104 2BA527AABA KEYSHEET GD35 BLUE M104 2BA527AACA KEYSHEET GD35...

Page 55: ...LY DIXONS GD35BRD044 GD35 PCB ASSEMBLY PBSUK GD35BRD045 GD35 PCB ASSEMBLY ONE TO ONE GD35BRD046 GD35 PCB ASSEMBLY CELLNET GD35BRD047 GD35 PCB ASSEMBLY D1 GD35BRD048 GD35 PCB ASSEMBLY D2 GD35BRD049 GD35 PCB ASSEMBLY EPLUS Ref No Part No Part Name Description Grid C001 F1H0J1050009 CAP CER 1uF 10 6 3V X5R G4 C002 F1H0J1050009 CAP CER 1uF 10 6 3V X5R H4 C003 ECJ0EC1H100D CAP CER 10pF 0 5pF 50V NP0 E1...

Page 56: ...F 0 25pF 50V NP0 C6 C239 F1G1H220A409 CAP CER 22pF 5 50V NP0 B7 C241 ECJ0EC1H470J CAP CER 47pF 5 50V NP0 B7 Ref No Part No Part Name Description Grid C242 ECJ0EC1H470J CAP CER 47pF 5 50V NP0 C7 C243 ECJ0EC1H470J CAP CER 47pF 5 50V NP0 C7 C300 ECJ0EB1H391K CAP CER 390pF 10 50V X7R B6 C301 F1J1E1030005 CAP CER 10nF 10 25V X7R B5 C302 ECJ0EC1H330J CAP CER 33pF 5 50V NP0 C5 C304 F1K1A4750003 CAP CER 4...

Page 57: ...RES 22K OHM 5 1 16W 05 B1 Ref No Part No Part Name Description Grid R019 ERJ6RSFR15V RES 0 15 OHM 1 1 10W 012 B3 R020 ERJ2GEJ331X RES 330 OHM 5 1 16W 05 B4 R025 ERJ2GEJ103X RES 10K OHM 5 1 16W 05 E3 R026 ERJ2GE0R00X RES JUMPER 0 OHM 1A 05 K8 R027 ERJ2GE0R00X RES JUMPER 0 OHM 1A 05 K8 R028 ERJ2GEJ103X RES 10K OHM 5 1 16W 05 C3 R029 ERJ2GEJ124X RES 120K OHM 5 1 16W 05 B4 R034 ERJ2GEJ152X RES 1 5K OH...

Page 58: ...7200022 CRYSTAL 32 768KHz E4 Ref No Part No Part Name Description 9RD35B REFURBISHMENT KIT BLUE 9RD35K REFURBISHMENT KIT BLACK 9RD35W REFURBISHMENT KIT STONE WHITE Ref No Part No Part Name Description JT00059 GD35 CASE SEPARATOR JT00060 GD35 RF PROBE JT00061 GD35 SERVICE JIG C W RF PROBE JT00062 GD35 TEST DUMMY BATTERY Ref No Part No Part Name Description Grid Ref No Part No Part Name Description ...

Page 59: ...http cxema ru EB GD35 EB GD35C 59 8 CIRCUIT DIAGRAMS Figure 8 1 GD35 Top Level Schematic Figure 8 2 Figure 8 3 ...

Page 60: ...http cxema ru EB GD35 EB GD35C 61 Figure 8 2 Baseband Top Level Figure 8 4 Figure 8 5 ...

Page 61: ...http cxema ru EB GD35 EB GD35C 62 Figure 8 3 RF Top Level Figure 8 6 Figure 8 7 ...

Page 62: ...http cxema ru EB GD35 EB GD35C 63 Figure 8 4 Baseband Peripherals ...

Page 63: ...http cxema ru EB GD35 EB GD35C 64 Figure 8 5 Baseband Processor GD35C only ...

Page 64: ...http cxema ru EB GD35 EB GD35C 65 Figure 8 6 RF Front End ...

Page 65: ...http cxema ru EB GD35 EB GD35C 66 Figure 8 7 RF IF and Synthesiser ...

Page 66: ...http cxema ru EB GD35 EB GD35C 67 9 LAYOUT DIAGRAM Figure 9 1 PCB Layout Diagram A 1 2 3 4 5 6 7 8 B C D E F G H I J K L ...

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