Nokia 6150 Service & Repair Hints

CONFIDENTIAL
Service & Analysis Center Europe
Training Team
version 1.0 / 19.10.1999 Page 13 of 41
Phone switch it self off
Phone intermittend switches off
Check if this happens
only with 5V SIM-cards
and if the phone works
probably with 3V SIM's
Change C131 if the
noise is higher than
350mVpp
Yes
Check X101 and
X102, if poor soldered,
bent, soiled or old
version
Check amplitude of
32,768KHz square
wave at pin 124 of
MAD (2,8Vpp)
Check amplitude of
13MHz at pin 93 of
MAD (600mVpp)
Check VBB 2,8V DC
on pin 55 of N100
Resolder, or change
the connector
Change or check
soldering of B100,
N100, R154, C101,
C102
Change or check
soldering of G650,
V600...
Change or check
soldering of N100,
C107
No Wrong
No
Wrong
No
Wrong
No
Wrong
Check the 5V
supply voltage on
C131 with an
oscilloscope
Yes
Yes

Nokia 6150 Specifications

General

Brand	Nokia
Model	6150
Category	Cell Phone
Language	English