K800 - K810
1202-3085 rev. 2
TROUBLESHOOTER
TROU
B
L
E
S
H
O
OTE
R
1. Customize the phone into DPY/Z
2. Startup the phone and wait for the
configuration to take place (takes less
than a minute)
3. Customize with correct CDA
4. Activate the phone
No
No
START
Connect dummy
battery
3,8V
2A current limit
Go to
Dead phone
problems
Yes
No
No
Connect a charger
No
Yes
Go to
Test the diode
V2504 and switch
S2500
Yes
Go to
Dead phone
problems
No
Go to
Dead phone
Problems.
Yes
No
Go to
Dead phone
Problems.
Yes
No
Yes
Yes
Go to
Test the system
connector
protections.
After this
Flash problems
Yes
Yes
No
Yes
No
Is the phone
consuming more than
1mA when the phone is
powered off
Is it possible to
power on the phone
Is the phone
consuming any current
when powering on the
phone
Did this solve the
problem
Is the phones
behavior as normal
Optimized
charging
Does the phone
consume more than
10 mA
Does the phone
consume more than
50 mA
Flash
the phone with correct
CDA software.
Successful
Did the flash process
started
Flash
The phone with
ITP software
successful
Did this solve the
problem
Is it possible to power
off the phone
Yes
Go to
Test the Diode
V2504 and switch
S2500.
Go to
Test
current consumption
After this
Test Charging.
Yes
No
Claim for a
sw upgrade
Yes
Press 2 and 5
Connect USB
Run pre-config 1 and 2
Run DPY/Z
Flash Successful
Yes
No
No
Go to
Flash problems
Trouble shooting guide On/Off
START
Try to recover the phone
using SW
Press key 2 and 5
Run pre-config 1 and 2
Connect to usb flash
Run DPY/Z
Use fixture
Connect 3,8V
Limiter 2A
No chargers
plug inserted
Yes
No
Yes
S2500
Not pressed
Using more than
1 mA
current
13 MHz
MCLK at
PIC 54
No
Try to trace the
faulty component
with freezing spray
No
Yes
No
Replace
A1300 or
A1200
Try to trace the
faulty component
with freezing spray
Replace
B2100
3.8 Volt
at
MP 38
VBATi
No
Yes
Replace
N2000
Yes
No
Yes
A1300 Marlin
A1200 Ray
getting hot
Remove
N2000
Using more than
1 mA
current
Keep S2500
pressed or
connect
Charger plug
SL 5 Replace
R2200
SL 4 scrap
Replace N2000
32KHz
at
PIC 53 RTCOUT
Yes
0,3 Volt
DC at
PIC 53 RTCOUT
Scrap
D2000
Faulty
Yes
Try to recover the
phone using SW
Load ITP
2.75 Volt at
MP 39 VDIG
MP 34 VccB
MP 35 VccA
Replace
A1200
Ray
1.8 Volt at
MP 24 VCORE18
32KHz
at
PIC 52 RTCCLK
Flash process
passed
Go to Test
System connector
protections
Replace
D2301
No
Yes
3.8 Volt
At
MP 13
VBAT
Yes
Replace X2200
No
13 MHz
at
PIC 54
Claime
A1200
Ray
Yes
1.3 V at
MP 29 VDDF13
MP 58 VRTC13
1.8V at
MP 37
1.3 Volt at
MP 56 VCORE13
Replace
N2200
No
1.5 Volt at
MP 100 VCORE15
SL 5 Replace
N2201
SL 4 scrap
No
Yes
Yes
No
Yes
13 MHz
at
MP 99
No
No
SL 5 Replace V1300
SL 4 Scrap
Yes
Replace
D1400
Bluetooth
Yes
No
No
L2000 or L2201
Faulty
Check MP 25 and
26
No
SL 5 Replace
L2200 or L2201
SL 4 scrap
Yes
Yes
No
No
C22109
getting hot
Replace
C22109
Yes
No
Dead phone problems
Trouble Shooting Guide On/Off - Dead Phone
SEMC Electrical Repair Manual
50
(121)
Summary of Contents for K800
Page 122: ...www s manuals com ...
