Nokia 6150 Service & Repair Hints

CONFIDENTIAL
Service & Analysis Center Europe
Training Team
version 1.0 / 19.10.1999 Page 4 of 41
Doesn't switch on
Figure 1: doesn't switch on troubleshooting
Observe power consumtion
norm. < 6mA pulsing to
20mA
(without backlights)
Lift L560
(VBATT for Pwr
Amp)
N501 or N502
faulty
Check DC Volt. PWRONX
N100 / 29 = VBATT (3,6V)
If Pwr button is pressed
PWRONX = 2,9V
Check:
R118 (10K)
X300
UI-module
Check DC Volt. PURX
N100 / 54 = 2,8V
D200 / 122 = 2;8V
(after pressing Pwr button!)
Check solderings
of N100
or
Change N100
Check Sleep clk 32,768KHz
N100 / 48 = 2,8Vss
D200 / 122 = 2,8Vss
(Square)
Check 32,768 KHz
N100 / 46 = 1,3Vss (Sinus)
N100 / 47 = 2,3Vss
(Square)
Check solderings
of N100
or
Change N100
Check DC Volt SLEEPX
D200 / 113 = 2,8V
N100 / 24 =2,8V
Check solderings
of D200
or
Change D200
Change
B100
Check DC Volt VXO
N100 / 25 = 2,8V
G600 / 1 = 2,8V
Check solderings
of N100
or
Change N100
Check VCXO 13MHz
G600 / 2 = 1Vss
D200 / 93 = 1Vss
Change
G600
Try to flash
the phone
See Section:
Can't Flash the
phone
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Check VBAT (3,6V)
N100 / 8, 12, ...
Check connection
to X101
L103
Yes
Yes
No
Check
C690, C692
No
Phone doesn't switch on
higher
change
N502
change
N501
insert L560
and lift L654 and
Pin 12, 13 of N502
observe the power
consumtion
consumtion oK
consumtion not oK
oK

Nokia 6150 Specifications

General

Brand	Nokia
Model	6150
Category	Cell Phone
Language	English