Nokia RH-109 Service Manual page 72

RH-109
RF troubleshooting
PCS band
Test configuration:
Sector power: -50 dBm (CH600)
SA setting: 1960 MHz, SPAN (5 MHz)
Start
U1000 In
/Out Check
(L1009/C1022)
Normal
IL < -4dB
F1202 In
/Out Check
(C1216/C1227)
Normal
IL < -4dB
SPDT(U1203)
In/Out Check
(C1228/C1229)
Normal
IL < -4dB
LNA In/Out Check
(C1230/R1107)
Gain > 10dB
Issue 1
Test Configuration
Sector power : –50 dBm (600CH)
SA setting : 1960MHz, SPAN(5MHz)
No
U1000 & peripheral
Circuit Check
No
F1202 & peripheral
Circuit Check
U1203 & peripheral
Circuit Check
No
U100 & peripheral
Circuit Check
U1104 & peripheral
Circuit Check
No
No
Normal
SPDT(U1104)
In/Out Check
(C1121/C1117)
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F1101 & peripheral
Circuit Check
No
Normal
Rx SAW
IL < -4dB
(F1101)
In/Out Check
(L1114/L1105)
U100 & peripheral
Circuit Check
No
Re-Cal OK?
Normal
IL < -4dB
OK
PCS Rx OK!!!
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