Samsung SCH-211 Service Manual page 46

6-3 Transmitter Section
6-3-1 Troubleshooting Flow
Abnormal
transmitter section.
Check TX
PLL OK?
SPAN 5MHZ
Y
TX VCO:270.76MHz
IF:130.38MHz
Y
Check TX power
level. OK?
Samsung Electronics-Contents may change without notice.
N
N
Check U460 TX
IF level. OK?
FM:-24dBm
CDMA:-30dBm
N
Check U461
out level. OK?
FM:-19dBm
N
CDMA:-22dBm
Y
Check U461 local
input level.
FM:-12dBm
CDMA:-12dBm
Check U464
Y
RF out level. OK?
FM:2dBm
N
CDMA:-1dBm
Troubleshooting
969.96MHz
CH:486
Y
Check U467
POUT level.
FM:28dBm
CDMA:25dBm
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