Nokia 2600 服务手册
RH-59/60
Nokia Customer Care
8
COMPANY CONFIDENTIAL
ISSUE 1 09/2004
Copyright © 2004 Nokia. All Rights Reserved.
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Phone is dead
This means that the phone do not draw any current at all when supply is connected and/or
powerkey is pressed.
powerkey 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.
so ever at battery/supply levels below 2.9 VDC.
Figure 1:Phone is dead troubleshooting
Phone is dead
X105
VBAT = 3,6VDC
No
Yes
Check :
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
L260,L261,L262,L263,L264,L265
C260,C261,C262,C263,C264,C265
Voltage = 3,6VDC
R426
26 MHz clock min. 300mVACpp,
probe Cin=10-13 pF/10M
C227
VR3 = 2,78VDC
J404
Sleep-clock is
32.768 kHz, 1,8Vpp
Check :
C227, PWB.
Else defective D200*
Check :
PWB.
Else defective D200*
Check :
B200, C209, C210, PWB. Else
defective D200*
No
Yes
No
Yes
No
Yes
Yes
Check :
C227, PWB.
Else defective D200*
Yes
No
Check :
D450 (Flash).
Else defective D200*