Nokia NPM-10 Series Troubleshooting Instructions page 7

CCS Technical Documentation
Issue 1 03/2003
Phone is dead
Yes
X101
No
VBAT = 3,6VDC
Yes
Z261, C261, Z264,
C264 No
Voltage = 3,6VDC
Yes
S300
No
Pin 1 & 3 is HIGH when
power-key is untouched
Yes
S300
No
Pin 1 & 3 is 0VDC(LOW)
when power-key is pressed
Yes
J404
No
Sleep-clock is
32.768 kHz, 1,8Vpp
Yes
J402
PURX = 1,8VDC,
No
1 sec. after power-key
is pressed
Yes
C227
No
VR3 = 2,78VDC
Yes
J425
26 MHz clock min.
No
300mVACpp,
probe Cin=10-13 pF/10M
Yes
Check :
D450 (Flash).
Else defective D200*
Nokia Corporation
Troubleshooting Instructions
Check :
X101
Check :
Z261, C261, Z264, C264
Check :
R317, C310
Check :
S300, PWB
Check :
B200, C209, C210, PWB.
Else defective D200*
Check :
PWB.
Else defective D200*
Check :
C227, PWB.
Else defective D200*
Check :
C227, PWB.
Else defective D200*
Confidential
NPM-10
Page 7