Test The Diode V2500; Test The Protection Diodes V2510 To V2514 - Sony Ericsson K800 Electrical Repair Manual

Test the diode V2500.

MP 23 MP22
Connect the Red probe onto MP 44 or Ground.
Connect Black probe onto MP 22 and MP 23.
If the measurement are equal to the reference sheet,
the diode V2500 is working properly.
22 23 MP
0.6 0.6 Volt
Tolerance up to 20 %
ReplaceV2500 if the measurements are not equal to the reference sheet.
TROUBLESHOOTER Test the Diodes V2500 and V2510 to V2514

Test the protection diodes V2510 to V2514.

Connect the Black probe onto MP 44 or Ground.
Connect the Red probe onto MP 1 to MP 120.
2
1.2-OL
V2510
83
1.2-OL
V2513
If the measurement are equal to the reference sheet,
the diode V2511,V2511,V2512,V2513 and V2514 is not short circuit.
Repair action.
SL 5:Replace the faulty diode if the measurement is not equal to the reference sheet.
At very old product the diode is not mounted, Z2500 EDS fi lter is mounted instead.
SL 4: scrap the phone.
82 10 120 4
1.2-OL 1.2-OL 1.2-OL 1.2-OL 1.2-OL
V2510 V2511 V2511 V2512 V2512
1 47 19
MP
1.2-OL 1.2-OL 1.2-OL Volt
V2513 V2514 V2514
SEMC Electrical Repair Manual
K800 - K810
117
MP
Volt
1202-3085 rev. 2 61 (121)