Nokia 7110 Manual page 9

Service & Analysis Center Europe
SACE AMS Training Group
PHONE DOESN`T SWITCH ON
P h o n e d o e s n ` t s w i t c h o n
C h e c k V B 3 , 6 V D C a t C 1 3 4
O K
P W R O N a t R 4 1 3 d r o p s t o 0 V w h i l e
pressing PWR Button
O K
3 2 , 7 6 8 k H z s q u a r e w a v e a t C 1 5 0
~3,5Vpp.
O K
V _ B B 2 , 8 V D C a t C 1 3 9
O K
V_XO 2,8VDC at C112
O K
V_REF 1,5VDC at C140
O K
PURX 2,8VDC at R147
O K
1 3 M H z R F C L K a t R 3 0 1
O K
Try to flash the phone
Repairhints_nse5_002508
CONFIDENTIAL
NSE-5
Repairhints
30.07.2000
Change X101/102 if bend or
n o t O K
n o t O K
n o t O K
C h e c k V _ B B l i n e f o r s h o r t s t o
GND. No shorts- change N100
n o t O K
Check V_XO line for shorts to
GND. No shorts- change N100
n o t O K
Check V_REF line for shorts to
GND. No shorts- change N100
n o t O K
n o t O K
C h e c k v a l u e s a r o u n d G 7 0 1 .
Change G701, use code
4 5 1 0 2 1 7 , n o t 4 5 1 0 2 2 9
n o t O K
C o n t i n u e w i t h s e c t i o n " F L A S H
Checked by:
AMS TRAINING GROUP
Version 1.0 Approved
soiled.
C h e c k L 1 0 2
C h a n g e d i s p l a y a s s y .
Check R413
C h a n g e N 1 0 0
C h a n g e N 1 0 0
N O T P O S S I B L E "
Approved by:
SACE
9 (30)