Issue 2 06/2005
COMPANY CONFIDENTIAL
7
Copyright © 2005 Nokia. All Rights Reserved.
RH-53/54
Nokia Customer Care
■
Phone is dead
This means that the phone does not draw any current at all when supply is connected and/or
power key is pressed.
It is assumed that the voltage supplied is 3.6 VDC. The UEM will prevent any functionality what
so ever at battery/supply levels below 2.9 VDC.
Figure 3:Phone is dead troubleshooting
Phone is dead
X105
VBAT = 3,6VDC
No
Yes
Check :
C103
L260,L261,L262,L263,L264,L265
C260,C261,C262,C263,C264,C265
Check :
X105
Yes
No
J402
PURX = 1,8VDC,
1 sec. after power-key
is pressed
C103
L260,L261,L262,L263,L264,L265
C260,C261,C262,C263,C264,C265
Voltage = 3,6VDC
R426
26 MHz clock m in. 300m VACpp,
probe Cin=10-13 pF/10M
J404
Sleep-clock is
32.768 kHz, 1,8Vpp
Check :
PW B.
Else defective D200*
Check :
B200, C209, C210, PW B. Else
defective D200*
No
Yes
No
Yes
Yes
Check :
C227, C420, R420, PW B.
Else defective D200*
No
Check :
D450 (Flash).
Yes
C227
VR3 = 2,78VDC
Check :
C227, PW B.
No
Yes
Check :
D450 (Flash).
Else defective D200*
Yes