Nokia RH-47 Series Rf Description And Troubleshooting page 56

RH-47
7 - RF Description and Troubleshooting
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Page 56
Company Confidential
PCS1900 Mod 0
Spectra -400Khz
C=H TxL=0
PCS1900 BER - 0
102 C=H TxL=0
PCS1900 SACCH - 4
102 C=H TxL=0
Handoff to 0
PCS1900 C=H
TxL=1
Meas PCS1900 All 0
C=H TxL=1
PCS1900 POWER 26
BURST C=H TxL=1
PCS1900 Tx Line- 0,5
arity C=H TxL=0
& 1
Handoff to 0
PCS1900 C=H
TxL=15
Meas PCS1900 All 0
C=H TxL=15
PCS1900 POWER -3
BURST C=H
TxL=15
PCS1900 BURST -110
t=1 C=H TxL=15
PCS1900 BURST -70
t=2 C=H TxL=15
PCS1900 BURST -1
t=4 C=H TxL=15
PCS1900 BURST -1
t=9 C=H TxL=15
PCS1900 BURST -70
t=11 C=H TxL=15
PCS1900 BURST -90
t=12 C=H TxL=15
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15 dB X
2 % X
12 - X
5 sec X
1000 sec X
30 dBm X
3,5 dBm X
5 sec X
1000 sec X
3 dBm X
-23 dB X
-1 dB X
1 dB X
1 dB X
-1 dB X
-23 dB X
Check antenna
connection, Check
Filter C742,C743
and L610
Check RX1900
path (Z601, Z603,
C604, L608, L609)
also look at RXIQ
Signal
Burst template
failure: Check
Detector Diode
V801 and Loop
components:
C804, R802,
C805, R801,
C803.
also consider
components near
Mjölner:
R708,R707,
R706,C706,
or C831.
Issue 1 05/04