Page 11
- MOTOROLA CONFIDENTIAL PROPRIETARY -
GSM Krunch - Level 3 Procedure vers.1.1
03/05/1999
5
Change the signal
generator at
-100dBm, press
25000#(AGC),
240#(step att.).
Are the signals
RXI,RXQ ok at
U201 pin 46,48(see
diagramm page 39)
Check L431,C432(filter matching)
and U201 GIFSYN and NOTE 1
Are data
activity
present (NO
TEST MODE)
at U500 pin
1,3,11 SPI
BUS
Check bias U500 and NOTE 1
If the spi bus is ok, reset the radio and try to
rephase via GATE 22 .
If it's still no service replace U500 SMOC
no
yes
no
yes
From
A
page10
Is the
signal
947.4MHz
ok at U401
pin 4
Check C442 and J600
and NOTE 1
Is the
signal
947.4MHz
ok at U401
pin 5
Is
RX275=2.75V
ok at Q446
emitter
Check U401and NOTE 1
Is
RX275=2.75V
ok at Q446
emitter
no
yes
no
yes
Check bias Q203,Q202 and
GIFSYN U201pin and NOTE
yes
no
no
6
Summary of Contents for StarTAC130
Page 1: ...StarTAC130 GSM The World s Leading Cellular Telephone Manufacturer Service Manual ...
Page 2: ...GSM StarTAC130 PERSONAL CELLULAR TELEPHONE Service Manual Ver 1 0 ...
Page 9: ...Service Manual 2 2 3 99 StarTAC130 CELLULAR TELEPHONE PAGE INTENTIONALLY BLANK ...
Page 11: ...Service Manual 4 2 3 99 StarTAC130 CELLULAR TELEPHONE PAGE INTENTIONALLY BLANK ...
Page 13: ...Service Manual 6 2 3 99 StarTAC130 CELLULAR TELEPHONE PAGE INTENTIONALLY BLANK ...
Page 25: ...Service Manual 18 2 3 99 StarTAC130 CELLULAR TELEPHONE 2 1 3 4 5 6 7 8 9 10 11 ...
Page 27: ...Service Manual 20 2 3 99 StarTAC130 CELLULAR TELEPHONE PAGE INTENTIONALLY BLANK ...
Page 60: ...Page 31 MOTOROLA CONFIDENTIAL PROPRIETARY GSM Krunch Level 3 Procedure vers 1 1 03 05 1999 ...
Page 69: ...Page 40 MOTOROLA CONFIDENTIAL PROPRIETARY GSM Krunch Level 3 Procedure vers 1 1 03 05 1999 ...
Page 70: ...Page 41 MOTOROLA CONFIDENTIAL PROPRIETARY GSM Krunch Level 3 Procedure vers 1 1 03 05 1999 ...
Page 71: ...Page 42 MOTOROLA CONFIDENTIAL PROPRIETARY GSM Krunch Level 3 Procedure vers 1 1 03 05 1999 ...
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