K800 - K810
1202-3085 rev. 2
TROUBLESHOOTER
TROU
B
L
E
S
H
O
OTE
R
Load the ITP Sw into
the phone.
Use fixture
Connect 3.8V
Insert M2 card
Use fault trace SW
Run
memory stick test
Passed
0 Volt at
MP 96
MSDETECT
Yes
Yes
Scrap
D2000 faulty
Yes
Yes
C2215
Or C2332
Short circuit
No
Sl 5 Replace
C2215 or C2332
SL 4 Scrap
No
Yes
Check X2301
faulty
No
Replace or
resolder
X2301
Yes
Fault trace SW
Logic
SIM Card control
Memory stick test
Start
Flash
Run customize
or refresh
No
1.8 Volt at
Mp 33
Only 40 sek
After card
inserted
No
Phone recovered
No
Replace or
resolder
X2301
Claim X2301
Or resolder
Replace N2000
If still problems
Scrap
D2000 faulty
Memory stick problems
Start.
Before this do SW
refresh and retest.
Load the ITP Sw
Into the phone
Do not use fixture
Connect 3.8Volt
Use battery clamps
Use fault trace SW
No
No
Min.230KHz
higher then
Mod 0
4 dBm at
MP 138
BTANT
Yes
Replace
D1400
Signal
At MP 138
BTANT
No
Yes
Change the
Bluetooth channel
In fault trace
and test the output
Use the spectrum
Analyzer.
Span 10MHz
1MHz channel
spacing
Yes
All channel
passed
Yes
D2000 faulty
Scrap
No
SL 5 Replace
Z1400
SL 4 Scrap
Fault trace Sw
TX and RX
Bluetooth
Channel 0
Set max pwr mod 0
Use spectrum
analyzer
Set the spectrum
Analyzer to
freqency 2402 MHz
span 1MHz
Fault trace Sw
TX and RX
Bluetooth
Channel 0
Set max pwr mod 1
Replace
N2204
Yes
Yes
2.7Volt at
MP 134
VBT27
Mp 137
BT_EN
1.8Volt
1.8Volt at
MP 37
And 1.3Volt at
MP 58
Replace
N2000
No
No
Replace
D1400
Yes
No
Signal at
Z1400
ok
Replace
D1400
No
Replace
The BT antenna
Yes
Bluetooth problems
Trouble Shooting Guide Memory Stick Problems - Bluetooth Problems
SEMC Electrical Repair Manual
56
(121)
Содержание K800
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