Samsung Galaxy Note 3 SM-N900 WCDMA Band8 / GSM900 RX Network not Working Solution Schematic , Diagram Circuit
Samsung Galaxy Note 3 SM-N900 WCDMA Band8 / GSM900 RX Network not Working Solution Step by Step
Step 1
NORMAL CONDITION
catch the channel?
Step 2
Check C100 ≤ -65dBm ?
CHECK soldered
CN100, L106, C110
Step 3
Check F100 PIN6
≤ -65dBm ?
Resolder or change
F100
Step 4
Check the voltage at
C166= V_Battery ?
CHECK soldered
L100, C104
Step 5
Check component
soldering status OK at
F101
Resolder or change
F101
Step 6
Check F101 PIN 9
≤ -65dBm ?
Resolder or change
F101
Step 7
Check the voltage at
{L107= V_Battery ?}
& {C122, C129 = 2.5V ?}
& {C116, C112, C133 = 2.32V }
& {C121 = 1.8V?}
& {C120, C119, C118, C111,
C105 = 1.5V?}
& {C124, C109 = 1.2V?}
Resolder or change
U103
Step 8
Check the freq. at
OSC100 PIN 4 : 26MHz ?
Change or resolder
OSC100
Step 9
Band8 / G900 Receiver is O.K?
Resolder or change
U300
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Samsung Galaxy Note 3 SM-N900 WCDMA Band8 / GSM900 RXNetwork not working Solution
Samsung Galaxy Note 3 SM-N900 WCDMA Band8 / GSM900 RX Network not Connect Solution
Samsung Galaxy Note 3 SM-N900 WCDMA Band8 / GSM900 RX Network not Support Solution
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