3-2-3. PCS RX
NORMAL CONDITION
catch the channel?
CPL400 Check
Pin1 ≥ -65dBm ?
CPL400 Check
Pin14, 15 ≥ -65dBm ?
Pin2, 3 ≥ -65dBm ?
Pin1, 31, 48 : 2.8V ?
Pin35 : 26Mhz?
Vp-p : 950mV?
Pin25, 26, 27, 28
Vp-p : 120mV?
⑧
U100
Yes
Yes
Yes
U401Check
Yes
U401
Yes
U401 Check
Yes
U401 Check
Yes
CHECK!!
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
①
No
CHECK
ANT401,
R406 ,
②
No
C413,
RFS400
resolder or change
③
No
CPL400
resolder or change
④
No
C417, C414,
resolder or change
⑤
No
U100
pin
J3,J4,K3,K4
resolder or change
⑥
No
TCX400
resolder or change
⑦
No
U401
resolder or change
3-21
Flow Chart of Troubleshooting
C441contact?
L404