Memory Stick Problems - Bluetooth Problems - Sony Ericsson K800 Electrical Repair Manual

Memory stick problems
Load the ITP Sw into
Fault trace SW the phone.
Logic Use fixture
SIM Card control Connect 3.8V
Memory stick test Insert M2 card
Use fault trace SW
Run 0 Volt at
No
memory stick test MP 96
Passed MSDETECT
Yes
Yes
1.8 Volt at
Flash Mp 33
Run customize Only 40 sek
or refresh After card
inserted
No
Sl 5 Replace C2215
Yes
C2215 or C2332 Or C2332
SL 4 Scrap Short circuit
No
Replace N2000
If still problems
Scrap
D2000 faulty
TROUBLESHOOTER
Check X2301
No Start
faulty
Yes
Replace or
No
resolder
X2301
Replace or
Scrap
Yes
resolder
D2000 faulty
X2301
No
Phone recovered
Claim X2301
Yes
Or resolder
Trouble Shooting Guide Memory Stick Problems - Bluetooth Problems
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
Signal TX and RX
Yes
At MP 138 Bluetooth
BTANT Channel 0
Set max pwr mod 1
No
2.7Volt at
Yes
MP 134
And 1.3Volt at
VBT27
No
Mp 137
BT_EN
1.8Volt
No
D2000 faulty
Scrap
Yes
SL 5 Replace
Replace
N2204
SL 4 Scrap
SEMC Electrical Repair Manual
Bluetooth problems
Min.230KHz
No
higher then
Mod 0
Replace
Yes
D1400
Yes
1.8Volt at
4 dBm at
MP 37
Yes
MP 138
BTANT
MP 58
No
Replace
N2000
No
Signal at
Z1400
No
ok
No
Yes
Replace
Z1400
D1400
1202-3085 rev. 2
K800 - K810
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
Replace
D1400
Change the
Bluetooth channel
In fault trace
and test the output
Use the spectrum
Analyzer.
Span 10MHz
1MHz channel
spacing
All channel
passed
Yes
Replace
The BT antenna
56 (121)