Table of Contents
Advertisement
Level 3 Repair
8-3-20. WCDMA Band1 RX
NORMAL CONDITION
catch the channel?
Check C1023 ≤ -65dBm ?
Check the Voltage at
C1014 = 2.85V ?
Check C1078
≥ -65dBm ?
Check component
soldering status OK at
F1000
Check F1000 PIN 14, 15
≥ -65dBm
Check the voltage at
{C1057 = VBAT_RF ?}
& {C1056 = 2.85V ?}
& {C1054 = 2.65V ?}
& {C1058 = 1.8V?}
& {C1059 = 1.2V?}
Check the freq. at
OSC1000 PIN 1 or PIN
3 : 26MHz ?
WCDMA Band1
Receiver is O.K?
END
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.
NO
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
CHECK soldered
L1004, C1023, C1026, RFS1000
Resolder or change
U1000, C1014
Resolder or change
Check C1078
Resolder or change
F1000
Resolder or change
F1000
Resolder or change
U1004
Change or resolder
OSC1000
Resolder or change
UCP3000
8-48
CONTINUOUS RX ON
RF INPUT : 10700CH
AMP : -50dBm
Hide quick links:
Advertisement
Table of Contents
