
CONFIDENTIAL
9 (30)
NSE-5
Service & Analysis Center Europe
Repairhints
Version 1.0 Approved
SACE AMS Training Group
30.07.2000
Repairhints_nse5_002508
Checked by:
AMS TRAINING GROUP
Approved by:
SACE
PHONE DOESN`T SWITCH ON
Phone doesn`t switch on
Check VB 3,6VDC at C134
PWRON at R413 drops to 0V while
pressing PWR Button
32,768kHz squarewave at C150
~3,5Vpp.
V _ B B 2 , 8 V D C a t C 1 3 9
V_XO 2,8VDC at C112
V_REF 1,5VDC at C140
PURX 2,8VDC at R147
1 3 M H z R F C L K a t R 3 0 1
Change X101/102 if bend or
soiled.
Check L102
Change display assy.
Check R413
C h a n g e N 1 0 0
Check V_BB line for shorts to
GND. No shorts- change N100
Check V_XO line for shorts to
GND. No shorts- change N100
Check V_REF line for shorts to
GND. No shorts- change N100
C h a n g e N 1 0 0
Check values around G701.
Change G701, use code
4510217, not 4510229
Try to flash the phone
Continue with section "FLASH
NOT POSSIBLE"
O K
O K
notOK
O K
O K
O K
O K
O K
O K
notOK
notOK
notOK
notOK
notOK
notOK
notOK