Text preview for : 4_datakit.pdf part of LG LG600 Service Manual GSM Telephone - File 10+2 - Part 1/2



Back to : gsm_phone_®_.part1.rar | Home

5. Data Kit & Test Method

5. Data Kit & Test Method
5.1 Data Kit
5.1.1 Download Equipment
1. 2. 3. 4. Data Kit Desktop or Notebook PC Download Monitor Program LG-600 mobile phone

5.1.2 Data Kit Download Procedure
I General Purpose:
This document gives a guideline for upgrading software of LG-600 GSM/DCS Dual-band mobile phone using UART port.

I Download Environment:
In order to download software of LG-600, the following working environments should be prepared: LG-600 Data Link Kit, DK-10G that is connected to COM1 or COM2 serial port in the Desktop or Notebook PC. LG-600 Data Kit Download Monitor Program that is copied to Desktop PC or Notebook PC. Target SW* downloaded to LG-600 mobile phone. Note: Target SW* means any necessary software to be downloaded to the mobile phone. Warning You MUST use the Data Link Kit (DK-10G) and UART Download Monitor program that are provided from LGE. Otherwise downloading process won't work properly.

- 17 -

I Download Procedure
1. Unzip LG-600 UART Download monitor program (monitor632.zip) in PC. 2. Execute monitor632.exe. And then select the "Target" Menu shown in Fig1. Then, choose "Connect" in the Target Menu.

3. A table will be displayed as shown in Fig 2. Then press the arrow-button and choose a correct serial port. And press "OK" button.



- 18 -

5. Data Kit & Test Method

4. As the following window shown in Fig 3 is displayed, connect LG-600 Phone to Data Link Kit, DK-10G and power on LG-600. If the connection is succeeded, the following screen will show the contents as shown in Fig 4.





- 19 -

5. Click on "Flash" on the top menu and select "Erase and Program Appli Only" item as shown in Fig 5.



6. Finally choose the target SW that you want to download. And then you can see the following window in Fig 6.



- 20 -

5. Data Kit & Test Method

7. If the downloading procedure is succeeded, then the following window is shown.



5.1.3 Test Equipment
1. 2. 3. 4. Power Supply HP8922 Spectrum Analyzer Oscilloscope

5.1.4 Test Equipment Setup

- 21 -

5.2 Test Method
5.2.1 Power-On Trouble

Power-on button is not working

Check the voltage level of battery

NO The level is higher than 3.32V

YES

Check the level of TP515 (ON/OFF)

Charge the battery / Check the battery

NO The level is high(3V)

YES Power-on sequence is not executed properly. Try again. If the result is same, change U501 chipset.

Then the phone is powered-on properly. Check the LCD module.

END

- 22 -

5. Data Kit & Test Method

5.2.2 MIC Trouble

MIC is not working

Connect the Phone to Network Analyzer

Check the signal level at the point U501, (F610 = MIC_bias)

NO The level is 2.5V

YES Check the signal level at the U900, PIN 5,6 and U901, P5,6 after putting audio signal in MIC Check the connectivity of F610 and R614, R616.

A few hundreds of mV of signal levels are measured YES

NO

Check the MIC

Replace the U900 or U901 which does not have proper level

END

- 23 -

5.2.3 RECEIVER Trouble

Receiver is not working

Connect the Phone to Network Analyzer

Check the signal level at the F605, F606 while putting audio signal in MIC

A few hundreds of mV of signal levels are measured

NO

YES

Check the connectivity of Receiver component.

Check the receiver

END

- 24 -

5. Data Kit & Test Method

5.2.4 Melody Trouble

Melody is not heard

Check the connectivity of buzzer.

NO The connection is OK

YES Connect the buzzer to the phone properly

Check the level of R611,Q602

Check whether the melody signal is out from the collector of Q602

NO

Replace the Q602 YES

END

- 25 -

5.2.5 LCD Trouble
· U605 : LDC Component

LCD Display is not Working

Normal state contact of LCD module with LCD connector on PCB.

NO

Reassemble LCD module with LCD connector

YES

LCD connector is well soldered onto PCB

NO

LCD Connector Re-Soldering

YES

The LCD Driver source voltage is 3V (U305:PIN5)

Replace the U305

Replace LCD module

END

- 26 -

5. Data Kit & Test Method

5.2.6 Charge Trouble

START

Charging is not working. Case 1 NO The Battery Pack is well Contact to the phone. YES YES The Battery Voltage is between 3.2V~4.2V NO Replace the Battery Pack YES YES The TA, CLA, DTC Voltages are equal to 5.2V/ 800mA YES Replace one of TA, CLA and DTC
Replace the D601 Replace the Q600

NO

Case 2

NO Reassemble Battery Pack

The Q600 Voltage is between 0.65~0.9V

NO

The D601 Voltage is lower than 0.3V

NO

The R609 Voltage is lower than 0.12V

NO

NO
Replace the R609

YES CN300 is well connected to PCB

NO
Re-Mount CN300

YES

Re-Download S/W

END - 27 -

5.2.7 Vibrator is not working

START

NOTE : To get to the Test mode, press 2945 ¡ #, then hold down * key.

In the Test mode, select `Baseband Test' then select `Vibrator Mode'

Signal level is high, R610

NO Replace the R610

YES

Q601 Collector Voltage Level is High (Approx.3V)

NO Check/Replace the Q601

YES Check/Replace Vibrator

- 28 -

5. Data Kit & Test Method

5.2.8 Backlight is not Working

NOTE : To get to the Test mode, press 2945 © #, then hold down * key. START

In the Test mode, select `Baseband Test' then LED Test then Backlight ON/OFF Defected Key backlight Defected LCD EL backlight

R601 is well connected

NO

Re-Mount the R601

R906 is well connected

NO

Re-Mount the R906

YES

YES

Voltage Level of U601 is high (Approx.3V)

NO

Replace the U600

CON900(PIN15) Voltage level is high

NO

Re-solder the CON900

YES

YES

Voltage value Of LED PIN1 is same As the voltage value Of battery

NO
Replace Battery

CON902(PIN11) Voltage level is high

NO

Re-solder the CON902

YES

YES

Replace D900~D909

Replace The LCD Module

- 29 -

5.2.9 TX POWER Trouble(E-GSM)

START

HP8960 : Test mode 62CH, 7level setting ( TCH ) 62CH, -60dBm setting ( BCCH ) Spectrum analyzer setting Oscilloscope setting

VC-TCXO U212 pin 3 13MHz Oscillation check Frequency = 13.00MHz & Power >= -5dBm

NO

U212 soldering check U212 pin 4 DC 2.8V + - 5% check U212 pin 3 DC 1.4V + - 0.1V check U212 change another same one

YES
RF MAINCHIP U203 pin 9,10,11,12 I/Q Signal check I/Q Signal >= DC 1.35V & 0.5Vp-p

NO

U203 Pin soldering check Ulysse-Nausica check S/W check

YES
LO1 VCO U210 pin 3 Frequency & Power check Frequency = 1326.4 MHz & Power >= -15dBm

NO

U210 soldering check U210 pin 4 DC 2.8V check U210 pin 6 control signal check ( >= 0.7Vp-p ) U210 pin 1 Low Voltage check U210 change another same one

YES
Balun U209 pin 3 Frequency & Power check Frequency = 1326.4MHz & Power >= -15dBm

NO

U209 soldering check U209 change another same one

- 30 -

5. Data Kit & Test Method

YES
TX VCO U208 pin 6 Frequency & Power check Frequency = 902.4MHz & Power >= -12dBm U208 soldering check U208 pin 5 DC 2.8V check U208 pin 3 control signal check ( >= 1Vp-p ) U208 pin 4 Low Voltage check U208 pin 7 Low Voltage check U208 change another same one

NO

YES
Power AMP U100 pin 6 Frequency & Power check Frequency = 902.4MHz & Power >= 20dBm U100, U101 soldering check U100 pin 5 VBAT DC Voltage check ( > 3.3V ) U101 pin 1 DC Voltage check ( > 3.3V) U101 pin 3 TXON High Voltage check U101 pin 4 BSW Low Voltage check U101 pin 9 Vapc signal check U101 pin 2 902.4MHz freq & power check U102 coupler input, output Freq & Power check U100, U101,U104 change another same one

NO

YES
ANT switch U103 pin 2 Frequency & Power check Frequency = 902.4MHz & Power >= 15dBm

NO

U103 soldering check U103 pin 4 High Voltage check U103 pin 14 Low Voltage check U103 pin 11 Low Voltage check U103 change another same one

YES
RF Connector U107 soldering check Matching network L101, L105, C108 soldering check REMARKS 1. Call connection : TEM3 execution ti Enter tms1 Enter txpw 1 7 Enter rfe 7 Enter 2. Spectrum analyzer : SPAN = 1MHz VBW = 1MHz RBW = 3MHz Press the trace button of spectrum analyzer on checking test point and press the max hold of spectrum analyzer 3. Oscilloscope : 500mV/div, 2ms/div

YES
END

- 31 -

5.2.10 TX Power Trouble(DCS)

START

HP8960 : Test mode 700CH, 2level setting ( TCH ) 700CH, -60dBm setting ( BCCH ) Spectrum analyzer setting Oscilloscope setting

VC-TCXO U212 pin 3 13MHz Oscillation check Frequency = 13MHz & Power >= -5dBm

NO

U212 soldering check U212 pin 4 DC 2.8V + - 5% check U212 pin 3 DC 1.4V + - 0.1V check U212 change another same one

YES
RF MAINCHIP U203 pin 9,10,11,12 I/Q Signal check I/Q Signal >= DC 1.35V & 0.5Vp-p

NO

U203 soldering check S/W check Ulysse-Nausica check

YES
LO1 VCO U210 pin 3 Frequency & Power check Frequency = 1323.8 MHz & Power >= -15dBm

NO

U210 soldering check U210 pin 4 DC 2.8V check U210 pin 6 control signal check ( >= 0.7Vp-p ) U210 pin 1 Low Voltage check U210 change another same one

YES
Balun U209 pin 3 Frequency & Power check Frequency = 1323.8MHz & Power >= -15dBm

NO

U209 soldering check U209 change another same one

- 32 -

5. Data Kit & Test Method

YES
TX VCO U208 pin 10 Frequency & Power check Frequency = 1747.8MHz & Power >= -15dBm U208 soldering check U208 pin 5 DC 2.8V check U208 pin 3 control signal check ( >= 1Vp-p ) U208 4 Low Voltage check U208 7 High Voltage check U208 change another same one

NO

YES
Power AMP U100 pin 3 Frequency & Power check Frequency = 1747.8MHz & Power >= 18dBm U100, U101 soldering check U100 pin 4 VBAT DC Voltage check ( > 3.3V ) U101 pin 1 DC Voltage check ( > 3.3V) U101 pin 3 TXON HIGH Voltage check U101 pin 4 BSW HIGH Voltage check U101 pin 8 Vapc signal check U101 pin 2 1747.8MHz freq & power check U102 coupler input, output Freq & Power check U100, U101,102 change another same one

NO

YES
ANT switch U203 pin 2 Frequency & Power check Frequency = 1747.8MHz & Power >= 15dBm

NO

U103 soldering check U103 pin 4 LOW Voltage check U103 pin 14 HIGH Voltage check U103 pin 11 LOW Voltage check U103 change another same one

YES
RF Connector U107 soldering check RF Connector chip check Matching network L101, L105, C108 soldering check REMARKS 1. Call connection :

YES
END

TEM3 execution ti Enter tms1 Enter txpw 1 102 Enter rfpw 1 700 Enter rfpw 1 700 Enter rfe 7 Enter 2. Spectrum analyzer : SPAN = 1MHz VBW = 1MHz RBW = 3MHz Press the trace button of spectrum analyzer on checking test and press the max hold of spectrum analyzer 3. Oscilloscope : 500mV/div , 2ms/div

- 33 -

5.2.11 RX Sensitivity Trouble (E-GSM)

START

HP8960 : Test mode 62CH, 7level setting ( TCH ) 62CH, -60dBm setting ( BCCH ) Spectrum analyzer setting Oscilloscope setting

RF Connector U107 pin 1 Frequency & Power check Frequency = 947.4 MHz & Power >= -70dBm

NO

U107 soldering check Short check U107 change another same one

YES
ANT SWITCH U103 pin 9 Frequency & Power check Frequency = 947.4 MHz & Power >= -70dBm

NO

U103 soldering check U103 pin 4 LOW Voltage check U103 pin 14 LOW Voltage check U103 pin 11 HIGH Voltage check U103 change another same one

YES
RF DUAL 1 'st SAW FILTER FL1 pin 7 Frequency & Power check Frequency = 947.4MHz & Power >= -72dBm

NO

FL1 soldering check FL1 change another same one

YES
LNA U202 pin 9 Frequency & Power check Frequency = 947.4MHz & Power >= -55dBm U202 soldering check U202 pin 8 DC 2.8V check U202 pin 1 High Voltage check U202 pin 5 Low Voltage check U202 pin 10 High Voltage check U202 change another same one

NO

- 34 -

5. Data Kit & Test Method

GSM RF SAW 2nd FILTER U204 pin 4 or 6 Frequency & Power check Frequency = 947.4MHz & Power >= -68dBm

NO

U204 soldering check U204 change another same one

YES
VC-TCXO U212 pin 3 13MHz Oscillation check Frequency = 13.00MHz & Power >= -5dBm U212 soldering check U212 pin 4 DC 2.8V + - 5% check U212 pin 3 DC 1.4V + - 0.1V check U212 change another same one

NO

YES
LO1 VCO U210 pin 3 Frequency & Power check Frequency = 1307.4MHz & Power >= -15dBm U210 soldering check U210 pin 4 DC 2.8V check U210 pin 6 control signal check ( >= 0.7Vp-p ) U210 pin 1 Low Voltage check U210 change another same one

NO

YES
RF MAIN CHIP U203 pin 38 or 39 Frequency & Power check Frequency = 360MHz & Power >= -50dBm

NO

U203 soldering check U203 change another same one

YES
IF SAW FILTER U200 pin 5 or 6 Frequency & Power check Frequency = 360MHz & Power >= -65dBm

NO

U200 soldering check U200 change another same one

- 35 -

YES
RF MAIN CHIP U203 pin 48,1,3,4 I/Q signal check I/Q signal >= DC 0.9V & 0.3Vp-p

NO

U200 soldering check U200 chip check Ulysse-Nausica check

YES
END

REMARKS 1. Call connection :

TEM3 execution ti Enter tms1 Enter txpw 1 7 Enter rfe 7 Enter 2. Spectrum analyzer : SPAN = 1MHz VBW = 1MHz RBW = 3MHz Press the trace button of spectrum analyzer on checking test point and press the max hold of spectrum analyzer 3. Oscilloscope : 500mV/div , 2ms/div

- 36 -

5. Data Kit & Test Method

5.2.12 Rx Sensitivity Trouble(DCS)

START

HP8960 : Test mode 700CH, 7level setting ( TCH ) 700CH, -60dBm setting ( BCCH ) Spectrum analyzer setting Oscilloscope setting

RF Connector U107 pin 1 Frequency & Power check Frequency = 1842.8MHz & Power >= -70dBm

NO

U107 soldering check short check U107 change another same one

YES
ANT SWITCH U103 pin 16 Frequency & Power check Frequency = 1842.8MHz & Power >= -70dBm U103 soldering check U103 pin 4 LOW Voltage check U103 pin 14 LOW Voltage check U103 pin 11 HIGH Voltage check U103 change another same one

NO

YES
RF DUAL 1 'st SAW FILTER FL1 pin 5 Frequency & Power check Frequency = 1842.8MHz & Power >= -72dBm

NO

FL1 soldering check FL1 change another same one

YES
LNA U202 pin 7 Frequency & Power check Frequency = 1842.8MHz & Power >= -58dBm U202 soldering check U202 pin 8 DC 2.8V check U202 pin 1 High Voltage check U202 pin 5 High Voltage check U202 pin 10 High Voltage check U202 change another same one

NO

- 37 -

DCS RF 2nd SAW FILTER U201 pin 5 Frequency & Power check Frequency = 1842.8MHz & Power >= -60dBm

NO

U201 soldering check U201 change another same one

YES
VC-TCXO U212 pin 3 13MHz Oscillation check Frequency = 13MHz & Power >= -5dBm U212 soldering check U212 pin 4 DC 2.8V + -5% check U212 pin 3 DC 1.4V + -0.1V check U212 change another same one

NO

YES
LO1 VCO U210 pin 3 Frequency & Power check Frequency = 1482.8MHz & Power >= -15dBm U210 soldering check U210 pin 4 DC 2.8V check U210 pin 6 control signal check ( >= 0.7Vp-p ) U210 pin 1 high Voltage check U210 change another same one

NO

YES
RF MAIN CHIP U203 pin 38 or 39 Frequency & Power check Frequency = 360MHz & Power >= -50dBm

NO

U203 soldering check U203 change another same one

YES
IF SAW FILTER U200 pin 5 or 6 Frequency & Power check Frequency = 360MHz & Power >= -65dBm

NO

U200 soldering check U200 change another same one

- 38 -

5. Data Kit & Test Method

YES
RF MAIN CHIP U203 pin 48,1,3,4 I/Q signal check I/Q signal >= DC 0.9V & 0.3Vp-p

NO

U200 soldering check U200 chip check Ulysse-Nausica check

END

REMARKS 1. Call connection :

TEM3 execution ti Enter tms1 Enter txpw 1 102 Enter rfpw 1 700 Enter rfpw 1 700 Enter rfe 7 Enter 2. Spectrum analyzer : SPAN = 1MHz VBW = 1MHz RBW = 3MHz Press the trace button of spectrum analyzer on checking test point and press the max hold of spectrum analyzer 3. Oscilloscope : 500mV/div , 2ms/div

- 39 -