Lenovo A859 Service-Handbuch - Seite 29
Blättern Sie online oder laden Sie pdf Service-Handbuch für Mobiltelefon Lenovo A859 herunter. Lenovo A859 36 Seiten.
Auch für Lenovo A859: Wichtige Produktinformation Handbuch (23 seiten), Schnellstart-Handbuch (6 seiten), Schnellstart-Handbuch (13 seiten), Schnellstart-Handbuch (33 seiten)

Repair Manual of Lenovo S920 Mobile Phone
4.3.2 High Frequency Error
Fault: Frequency Error exceeds standard in complete set test.
Cause: There is problem in VAFC input circuit of TCXO.
Shooting:
Excessive
Recalibrate
Check whether U2104 is in cold
solder joint or damaged
Replace the elements in
joint
4.3.3 High Phase Error
Fault: Phase Error exceeds standard in complete set test.
Cause: The capacitors of power supply part of PA and transceiver are in cold solder joint
or in short circuit with other resistance.
Shooting:
Frequency Error
cold solder
29