SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-12
This Document can not be used without Samsung's authorization
9-2-3. PCS RX
CONTINUOUS RX ON
RF INPUT : 650CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
CHECK
R722
contact ?
U701
pin 34 : 2.9V ?
Pin1,13,22,32 : VBAT?
F700 CHECK
pin1,2
≥
-65dBm ?
F700,L700,C700
resolder or change
F700
resolder or change
Check the
U100, C110
(change or resolder)
U701 CHECK
pin 21 : 26MHz ?
Vp-p : 1.1V?
Check the
OSC 700
(change or resolder)
U701
resolder or change
U100
CHECK!!
U701
pin 35,36,37,38
Vp-p : 100mV ?
NO
YES
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
①
②
U701 CHECK
pin10,11
≥
-65dBm ?
L706,L707
resolder or change
YES
NO
F700 CHECK
pin13
≥
-65dBm ?
⑤
⑥
④
③