Page 14
- MOTOROLA CONFIDENTIAL PROPRIETARY -
GSM Krunch - Level 3 Procedure vers.1.1
03/05/1999
supplement 9
PCB only
No tx
With the PCB in test mode press the following keys sequence:
11062# CH or 110062#CH PHASE II,1215#PWR CONTINUOS,40#SENDING ONLY 1
See page 37
Does the
PCB power
down in tx
with test
comand
Is the
signal ok
902.4MHz
ok at U401
pin 4
Check C442, J600and NOTE 1
START
yes
no
yes
Is the
signal ok
902.4MHz
ok at U401
pin 2
Is the
TX_EN
2.6V
voltage at
Q442 pin 2
ok
Check bias Q501 only
no
yes
no
Check U401and NOTE 1
yes
Is the
signal ok
902.4MHz
ok at U301
pin 7
Is B+
present at
Q301 pin
5,6,7,8
Check Q301,Q1019 and
NOTE 1
Check bias IPA (pin
15,14,13,12,4= B+, after
replace IPA
no
yes
yes
no
7
no
Go to
A
page15
yes
no
Remove R1126:
NO B+ IPA
NO B+ Q303
Is the
signal ok
902.4MHz
ok at Q303
base
Replace IPA
Содержание StarTAC130
Страница 1: ...StarTAC130 GSM The World s Leading Cellular Telephone Manufacturer Service Manual ...
Страница 2: ...GSM StarTAC130 PERSONAL CELLULAR TELEPHONE Service Manual Ver 1 0 ...
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Страница 60: ...Page 31 MOTOROLA CONFIDENTIAL PROPRIETARY GSM Krunch Level 3 Procedure vers 1 1 03 05 1999 ...
Страница 69: ...Page 40 MOTOROLA CONFIDENTIAL PROPRIETARY GSM Krunch Level 3 Procedure vers 1 1 03 05 1999 ...
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