LG KP320 Service Manual page 101

Test item MODE
Band Change E-GSM /
DCS1800
->
PCS1900
PCS1900
Call setup
PCS1900
TX Power
PCS1900
RMS Phase error
PEAK Phase error PCS1900
PCS1900
Frequency Error
PCS1900
Power Vs Time
PCS1900
RX Class2 RBER
PCS1900
RX Level
PCS1900
RX Quality
PCS1900
Close down
*1 Refer to 1.Overview Channel selection condition
Procedure
1. Change mode of GSM tester to "PCS1900".
2. Set HHP to PCS1900 mode using PTE Command
Use PTE command 00140 => SetBandSelect,1
1. Input the PTE command "Start Call"
2. input the PTE command "Receive call"
3. Wait to indicate "Active" to establish call
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
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
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
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
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"
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.
1. Same setting and procedure as RX RBER
2. Wait to indicate "Mobile reported Rx lev" and read it.
1. Same setting and procedure as RX RBER
2. Wait to indicate "Mobile reported RX Qual" and read it.
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.
KP320 SERVICE MANUAL V1.2 100