On/Off - Dead Phone; Semc Electrical Repair Manual; K800 - K810 - Sony Ericsson K800 Electrical Repair Manual

Trouble shooting guide On/Off
START
Is the phone
consuming more than
Connect dummy
1mA when the phone is
battery
powered off
3,8V
2A current limit
No
Is it possible to
Yes
power on the phone
No
Is the phone
consuming any current
No Connect a charger
when powering on the
phone
Yes
Does the phone
consume more than
10 mA
Yes
Does the phone
consume more than Yes
50 mA
Yes
No
Flash
the phone with correct Did the flash process
No No
CDA software. started
Successful
Yes
Yes
1. Customize the phone into DPY/Z
Flash 2. Startup the phone and wait for the
The phone with configuration to take place (takes less
Yes
ITP software than a minute)
successful 3. Customize with correct CDA
4. Activate the phone
No
Go to Did this solve the
No
Flash problems problem
TROUBLESHOOTER
Go to
Yes
Dead phone
problems
Go to
No Test the Diode
V2504 and switch
S2500.
Is it possible to power
off the phone
Go to Test
current consumption
Yes
After this
Test Charging.
Go to
Test the diode
Yes
V2504 and switch
S2500
Is the phones
behavior as normal
Optimized
charging
Go to
No Dead phone
problems
Go to
No
Dead phone
Problems.
Go to
Dead phone
Problems.
Go to
Press 2 and 5 Test the system
Connect USB
connector
No
Run pre-config 1 and 2
protections.
Run DPY/Z
Flash Successful After this
Flash problems
Yes
Did this solve the
No
problem
Yes
Claim for a
Yes
sw upgrade
Trouble Shooting Guide On/Off - Dead Phone
Dead phone problems
Keep S2500
pressed or
No
Replace X2200
connect
Charger plug
No
3.8 Volt
At
Yes
MP 13
VBAT
SL 5 Replace
R2200
SL 4 scrap
No
3.8 Volt
13 MHz
at
No
MCLK at
MP 38
PIC 54
VBATi
Yes Yes
2.75 Volt at
MP 39 VDIG 1.8 Volt at
No
MP 34 VccB MP 24 VCORE18
MP 35 VccA
Replace N2000
Yes
Yes
1.3 V at
MP 29 VDDF13
No
MP 58 VRTC13
1.8V at
MP 37
13 MHz
Yes
at
MP 99
SL 5 Replace V1300 Replace
SL 4 Scrap N2200
No
Replace
A1200
Ray
Yes
PIC 53 RTCOUT
13 MHz 32KHz
at at
PIC 54 PIC 52 RTCCLK
Yes
Yes
Claime Try to recover the
A1200 phone using SW
No
Ray Load ITP
Replace Go to Test
D1400 System connector
Bluetooth protections

SEMC Electrical Repair Manual

START
Try to recover the phone
using SW
S2500
Press key 2 and 5
Not pressed
Run pre-config 1 and 2
Connect to usb flash
Using more than
Run DPY/Z
1 mA
current
Use fixture
Connect 3,8V
Limiter 2A
Yes Try to trace the
faulty component No chargers
with freezing spray
plug inserted
Replace
Yes C22109
C22109
getting hot
Replace
A1300 or
No
Yes
A1200
A1300 Marlin
Try to trace the
A1200 Ray
faulty component
getting hot
with freezing spray
Yes
No
Using more than
Remove
N2000 1 mA
current
No
No
L2000 or L2201
Replace
No
Faulty
N2000
Check MP 25 and
26
Yes
SL 5 Replace
Yes
L2200 or L2201
SL 4 scrap
1.3 Volt at
No
MP 56 VCORE13
Yes
32KHz
1.5 Volt at
Yes
at
MP 100 VCORE15
No
No
0,3 Volt SL 5 Replace
DC at N2201
PIC 53 RTCOUT SL 4 scrap
No
Yes
No
Scrap
Replace
D2000
B2100
Faulty
Flash process Replace
No Yes
passed D2301
1202-3085 rev. 2

K800 - K810

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