Gsm 850, Gsm900, Gsm1800 And Gsm1900 Receiver; General Instructions For Rx Troubleshooting - Nokia RH-30 Series Troubleshooting Instructions

GSM 850, GSM900, GSM1800 and GSM1900 Receiver

General instructions for Rx troubleshooting

ICQ: 343183001 QQ: 35070846 Email: Serviceic@yahoo.com.cn
Connect test jig to computer with DAU-9S cable or to FPS-8 Flash Prommer with XCS-4 mod-
ular cable.
Make sure that you have PKD-1 dongle connected to computers parallel port.
Connect DC power supply to module test jig with FLC-2 cable.
Set the DC supply voltage to 4,2 V .
Connect an RF-cable to the module test jig (MJS-38) RF connector and to RF signal generator.
Set the phone module to test jig and start Phoenix service sofware.
Initialize connection to phone. (use FBUS driver when using DAU-9S and COMBOX driver
when using FPS-8)
Choose product from the menu
File -> Choose product -> RH-30/RH-31
From toolbar set operating mode to "Local"
Activate RF controls window from the menu
Testing -> RF Controls
From the RF controls window:
- Select band "GSM850", GSM 900", "GSM 1800" or "GSM1900" (Default = "GSM900" RH-30,
Default= "GSM850" RH-31)
- Set Active unit to "Rx" (Default = "Rx")
- Set Operation mode to "Burst" (Default = "Burst")
For continuous mode:
- Set Operation mode to "Continuous"
- Set AGC to "12: FEG_ON + DTOS_ON + BB_30=Vgain60" (maximum gain setting used in
normal mode)
(Default = "14: FEG_ON + DTOS_ON + BB_42=Vgain72")
- Set Rx/Tx channel to 190 on GSM 850, 37 on GSM900 band, 700 on GSM1800 band or 661
on GSM1900 (Defaults)
Apply 881,6671 MHz (channel 190 + 67,710 KHz offset), 942.46771 MHz (channel 37 + 67.710
kHz offset), 1842.86771 MHz (channel 700 + 67.710 kHz offset) or 1960.06771 MHz (channel
661 + 67.71 kHz) –90 dBm signal to the RF-connector (remember to compensate for cable at-
tenuation).
Measuring with an oscilloscope on "RXI" or "RXQ" following screens should be seen on a work-
ing GSM900 , GSM1800 or GSM1900 receiver: