Failure
Failure Symptom
Charging from power outlet
Charging from computer via USB
Charging
Measure V2201 with positive lead on the
Anode.
VDC should equal 0.15 to 0.19.
Charging indicator (RED LED)
Hands-Free connection (PHF)
SIM
Display
Display and keys work, but they are
dark.
Display /Keypad
Measure V3102 with the Positive (red)
LED Illumination
probe on the anode = 0.16 to 0.19
Display light works, but keys are dark
Keypad Keys
Volume Down/Up Keys
Camera Key
On/Off key
Gaming (A and B) Keys
Media Player Key
Navigation Key (Joystick)
Vibrator
Earphone (Speaker, Receiver)
Polyphonic Speaker (Alert, Speakerphone)
Backup Battery
Microphone
Real Time Clock
Camera (Large, Rear)
VGA Camera (Small, Front)
TROUBLESHOOTER
Repair Action
•
V2202
•
N2000
•
If VDC is outside of range, then
replace V2201
•
V2220
•
V3110
•
N4202
•
N2000
•
Replace X2302 if damaged
•
N2000
•
Replace X3102 if damaged
•
Replace X3102 if damaged
•
Replace X2501 if damaged
•
If VDC is outside of range, then
replace V3102
•
V3101
•
N2000
•
R3101
•
V3103
•
Replace X2501 if damaged
•
Replace S2502, S2503 if damaged
•
Replace X2501 if damaged
•
Replace S2500 if damaged
•
Replace S2505, S2506 if damaged
•
Replace S2507 if damaged
•
Replace S2504 if damaged
•
V2500
•
N2000
•
N2000
•
V4101
•
N4100
•
N2000
•
C2217
•
B4100
•
N4202
•
N2000
•
B2100
•
Replace X2505 if damaged
•
N2202
•
N3100 (Can't take picture)
•
K800/K810 ONLY. K790 does not
include this camera.
•
Replace X2510 if damaged
•
D3100, D3101
•
N2210
Repair Actions
Failure
Failure Symptom
Camera Flash
Camera Lens Cover Sensor
IR
Bluetooth
FM Radio
Memory Card
Repair Actions for Go/No Go Test Failures
Failure
Fails any part of Go/No Go testing
Fails Go/No Go test, but passes calibration
Fails Go/No Go test after passing calibration
Repair Actions for Calibration Failures
K790
Failure
Fails any part of the calibration routine
K800
Failure
Fails any part of the calibration routine
SEMC Electrical Repair Manual
K800 - K810
Repair Action
•
Replace X2550 if damaged
•
V3113
•
V2552
•
Replace X2550 if damaged
•
V2500
•
H2300
•
N2204
•
N2000
•
D1400
•
N2203
•
N2600
•
N2000
•
Replace X2301 if damaged
Repair Action
•
run the calibration routine
•
replace the antenna
•
Replace X1002 if damaged
•
rerun the phone through Go/No Go testing
•
change X1000 and retest
Repair Action
•
Replace X1002 if damaged
•
Replace X1000 if damaged
•
N1100
Repair Action
•
Replace X1002 if damaged
•
Replace X1000 if damaged
•
A1200 UMTS – Approved Centers Only
•
A1300 GSM – Approved Centers Only
1202-3085 rev. 2
49
(121)