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6. Repairing
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Test item
MODE
Procedure
Close down
DCS1800
( Test is repeated under DCS1800 band )
1. Push “END Call” of GSM tester
2. Wait to indicate “Call End” and change to idle screen.
3. Push “Power” to check shut down.
Band Change
E-GSM /
1. Change mode of GSM tester to “PCS1900”.
DCS1800->
2. Set HHP to PCS1900 mode using PTE Command
PCS1900
UsePTEcommand 00140 => SetBandSelect,1
Call setup
PCS1900
1. Input the PTE command “StartCall”
2. input the PTE command “Receivecall”
3. Wait to indicate “Active” to establish call
TX Power
PCS1900
1. ARFCN is assign to Mch ( or Lch/Hch )
2. Set PL to 0(PCS1900)
3. Wait to establish hand over
4. Measure output power
RMS Phase error
PCS1900
1. ARFCN is assigned to Mch ( or Lch/Hch )
2. Set PL to 0(PCS1900)
3. Wait to establish hand over
4. Change mode of GSM tester to “Phase/FREQ”
5. Set analyze burst number to 50
6. Read “RMS maximum” window
PEAK Phase error
PCS1900
1. ARFCN is assigned to Mch ( or Lch/Hch )
2. Set PL to 0(PCS1900)
3. Wait to establish hand over
4. Change mode of GSM tester to “Phase/FREQ”
5. Set analyze burst number to 50
6. Read “PEAK maximum” window
Frequency Error
PCS1900
1. ARFCN is assigned to Mch ( or Lch/Hch )
2. Set PL to 0(PCS1900)
3. Wait to establish hand over
4. Change mode of GSM tester to “Phase/FREQ”
5. Set analyze burst number to 50
6. Read “Frequency error maximum” window
Power Vs Time
PCS1900
1. ARFCN is assigned to Mch
2. Set PL to 0(PCS1900)
3. Wait to establish hand over
4. Change mode of GSM tester to “Power Ramp”
5. To check pass/fail indication under three mode “TOP
2dB” “Rise edge” and “Fall edge”
RX Class2 RBER
PCS1900
1. ARFCN is assigned to Mch*1
2. Set PL to 0(PCS1900)
3. Wait to establish hand over
4. Change mode of GSM tester to “Bit error”
5. To define sampling value to 10000
6. To define measure “Res Type 2”
7. To adjust base station output level to -103.5dBm
8. Wait to indicate BE Ratio and read it.
RX Level
PCS1900
1. Same setting and procedure as RX RBER
2. Wait to indicate “Mobile reported Rxlev” and read it.
RX Quality
PCS1900
1. Same setting and procedure as RX RBER
2. Wait to indicate “Mobile reported RX Qual” and read it.
Close down
PCS1900
1. Push “END Call” of GSM tester
2. Wait to indicate “Call End” and change to idle screen.
3. Push “Power” to check shut down.
*1 Refer to 1.Overview Channel selection condition