Nokia 6020 Service Manual 06(a) rm30 bb trouble
Nokia Customer Care
6(a) - Baseband
Troubleshooting
Issue 1 01/2005 COMPANY CONFIDENTIAL
Copyright © 2005 Nokia. All Rights Reserved.
RM-30
Nokia Customer Care 6(a) - Baseband Troubleshooting Instructions
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2 COMPANY CONFIDENTIAL Issue 1 01/2005
Copyright © 2004 Nokia. All Rights Reserved.
RM-30
6(a) - Baseband Troubleshooting Instructions Nokia Customer Care
Table of Contents
Page No
Test Points........................................................................................................... 5
Troubleshooting.................................................................................................. 6
Top level flow 1.................................................................................................. 6
Top level flow 2.................................................................................................. 7
Phone is dead 1................................................................................................. 8
Phone is dead 2................................................................................................. 9
Flash faults 1.................................................................................................... 10
Flash faults 2.................................................................................................... 11
Phone is jammed 1.......................................................................................... 12
Phone is jammed 2.......................................................................................... 13
Charger............................................................................................................ 15
SIM Card.......................................................................................................... 16
Audio faults 1................................................................................................... 17
Audio faults 2................................................................................................... 18
Audio faults 3................................................................................................... 19
Audio faults 4................................................................................................... 20
Earpiece........................................................................................................... 21
Display faults 1................................................................................................. 22
Display faults 2................................................................................................. 23
Keypad faults 1................................................................................................ 24
Keypad faults 2................................................................................................ 25
Camera faults 1................................................................................................ 26
Camera faults 2................................................................................................ 27
Self test............................................................................................................ 28
Issue 1 01/2005 COMPANY CONFIDENTIAL 3
Copyright © 2004 Nokia. All Rights Reserved.
RM-30
Nokia Customer Care 6(a) - Baseband Troubleshooting Instructions
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4 COMPANY CONFIDENTIAL Issue 1 01/2005
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6(a) - Baseband Troubleshooting Instructions Nokia Customer Care
Test Points
PWR_SWITCH
BSI Values (BSI-GND):
3k3 – Local mode
6k5 – Test mode
75k – BL5B Battery
VR5 2.78 V
VR2 2.78 V
VR3 2.78 V
VR4 2.78 V
VR7 2.78 V
X7802
X7806
X7807
X7801
X7803
J2101_N
J2100_P
VCORE 1.5 V
VR6 2.78 V
VR1A 4.75 V
VFLASH2
VR1B 0 V
VFLASH1
X7804
J1474 XSHUTDOWN
J1472 TXDA
J1473 CSX
J1002 RFBUSEN1
J1000 RFBUSDA
VBAT
J1001 RFBUSCLK
J1471 CLK
J2803 UEMINT
J2809 FBUSTX
J2807 MBUSTX
J1006 TXA
J1003 RESET
J1470 VEN
J2806 CBUSENX
J2800 PURX
J2801 SLEEPX
J1005 RXIINP
J1004 RXQINP
VIO 1.8 V
FLASHING PRODUCTION TESTPOINTS
J2010
J2008
VSIM 1.8 V/3.0 V
VANA
J2808 MBUSRX
J2810 FBUSRX
J2815 RFCLK
J2812 DBUSDA
J2811 DBUSCLK
J3181 GENTEST0/STITXD
J2805 CBUSDA
J3182 GENTEST1/STISCLK
J2814 EXTWRX
J2118 FLS CSX
J2115 EXTRDX
J2009
J2429
J2430
J2006 GND
J2005 VCHAR
J2116 FLS2CSX
J2117 FLSCLK
J2804 CBUSCLK
J3183 STIRXD
J2813 DBUSEN1X
J2802 SLEEPCLK
Issue 1 01/2005 COMPANY CONFIDENTIAL 5
Copyright © 2004 Nokia. All Rights Reserved.
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Nokia Customer Care 6(a) - Baseband Troubleshooting Instructions
Troubleshooting
■ Top level flow 1
TOP
Phone is
totally
dead?
No
Flash
programming
does not work?
No
Phone does not
start up or phone
is jammed?
No
Charging does
not work?
Yes
Yes
Yes
Yes
Phone is
dead
Flash
faults
Phone is
jammed
Charger
No
TOP2
6 COMPANY CONFIDENTIAL Issue 1 01/2005
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6(a) - Baseband Troubleshooting Instructions Nokia Customer Care
■ Top level flow 2
Top2
Does phone
Does Does the
read SIM card?
FM radio work?
Yes
No
FM radio
SIM card
Audio
faults?
No
Has the display
or LEDs a
problem?
No
Does the
Keypad work?
Yes
Does the
Camera work?
Yes
Yes
No
No
Audio
faults
Display
faults
Keypad
faults
Camera
faults
Yes
Does the FCI
END
work?
No
END
FCI
faults
Issue 1 01/2005 COMPANY CONFIDENTIAL 7
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Nokia Customer Care 6(a) - Baseband Troubleshooting Instructions
■ Phone is dead 1
Phone is
dead
Is VBAT=3.7VDC
(meas. on X2000)?
Yes
Is voltage
=3,7VDC at L2200 and
C2239
Yes
Is Pin 1 on
S2419 "high" when
power key is not
pressed?
Yes
No
No
No
Failure in
VBAT line,
check: X2000
Check: L2200
and C2239
Check R2423,
C2402
Is Pin1 on
S2419=0VDC when
po wer key
is pressed?
Yes
Dead2
No
Check S2419,
PWB
Retest
8 COMPANY CONFIDENTIAL Issue 1 01/2005
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6(a) - Baseband Troubleshooting Instructions Nokia Customer Care
■ Phone is dead 2
Dead2
Is Sleep CLK on
J2802 = 32.8kHz,
1.8Vpp?
Yes
on J2800 1sec. after
Is VR3=2.78VDC
Is
PURX=1.8VDC
power k ey
is pressed?
Yes
seen at C2234?
Yes
No
See Waveform 1
No
No
Check: B 2200,
C2241, C2210,
PWB then
replace D2200
Replace
D2200, PWB
Waveform 1
Check C 2234
then replace
D2200, PWB
Is there a
26MHz clock
(typ) 850mVpp
at R2902?
No
Check R2902,
C2902
Waveform 2
Yes
Phone is
Jammed
Issue 1 01/2005 COMPANY CONFIDENTIAL 9
See Waveform 2
Retest
Copyright © 2004 Nokia. All Rights Reserved.
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