Nokia 9210 - G800 SHF Oscillator Faulty

CONFIDENTIAL
10 (17)
RAE-3 Repairhints
Customer Care Europe & Africa Version 2.0 Approved
SCCE Training Group 13.03.2002
© 2002 Nokia Mobile Phones
Checked by:
Customer Care Training Group
Approved by:
SCCE
G800 SHF oscillator faulty
Use WinTesla to set
phone to EGSM I/Q
tuning mode
(Menu: Tuning/ TX I/Q)
Check TX-Spectrum
(Center 902 MHz)
G800 SHF
oscillator OK
Check Vsynte
(VSYN2/VCC) = 2.8 VDC
at R808
Lift R808 and
check Vsynte
(VSYN2/VCC) = 2.7 VDC
on Hagarside`s pad
Check
VC = 2.2 VDC at
R802
Check
Vchp = 4.7 VDC
at C560
Check N505
HAGAR
Change G800
SHF oscillator
RF faults
G800 SHF oscillator
faulty
nOK
nOK
Check N100 CCONT and
N505 HAGAR
OK
nOK
nOK
nOK
OK
OK
OK
OK
Check
VCP = 4.9 VDC
at N600,
pin6
Check N600 and surrounding components for
shorts or disconnections, change if necessary
Check N100
CCONT
OK
nOK