SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-31
This Document can not be used without Samsung's authorization
PAM100 CHECK
pin#17
≥
-
55
dBm?
9-12-4. PCS1900 RX
Band : PCS1900
CELL POWER : -50dBm
Channel : 660Ch
NORMAL CONDITION
catch the channel?
CHECK
ANT
contact
U102 CHECK ?
PAM100 CHECK
pin#13
≥
-
55
dBm?
OSC CLOCK
CHECK
U102 pin#17,18
freq:26MHz?
RFS100, C104, L102
re-solder or change
PAM100
re-solder or change
OSC100
re-solder or change
U102
change or re-solder
UCP300
CHECK!!
NO
YES
NO
NO
NO
NO
YES
YES
YES
YES
Rx Path CHECK
U102 pin#50
≥
-
55
dBm?
C116, L107
re-solder or change
YES
NO
F101 CHECK
pin#6
≥
-
55
dBm?
F101
re-solder or change
NO
YES