Motorola StarTAC130, Service Manual

Page: 30 / 84

Page 1
- MOTOROLA CONFIDENTIAL PROPRIETARY -
GSM Krunch - Level 3 Procedure vers.1.1
03/05/1999
START
Does the
phone pwr
up from
main
battery?
Is the battery
selection ok
(press the
keys:arrow,4)?
Priority aux
Go to supplement 1
page 4
Does the phone
draw current
from
main/aux/ext b+
when is off?
Does the
phone pwr
dw when
twisted?
1
Does the
phone pwr
up from aux
battery?
Go to supplement 1
page 4
Go to supplement 2
page 4
Go to supplement 3
page 5
TOOLS
1) Main battery or dummy
2) Aux battery or dummy
3) Ext.B+ 5V
4) Test card
5) Test set analyser
6) GOOD PCB RF/LOG, PCB
DISPLAY, FLIP ASSY to comparison
7) GSMKEY SOFTWARE
8) ERSA station solder
remove main batt. and insert aux batt.
Does the
phone pwr
up and stay
on with ext
B+ only?
no
yes
no
yes
no
no
yes
Go to supplement 4
page 4
yes
reinsert main battery
no
no
no
yes
yes
no
NOTE 1
=Check that the mentioned
componets are not physically
damaged, have no dry joints, and are
positioned correctly or missing, if none
of the mentioned problems are
apparent, replace the defective
componets.
If the problem is still apparent send the
PCB to HTC
Does the
phone is
properly
communicating
with SIM card?
Go to supplement 21
page 21
no
yes
no
Remenber to read ERROR
CODE 7100#
in test mode
Go to supplement 22 page 26
yes