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Flash Faults; Pda Backlight Is Working But Nothing On Pda Display - Nokia 9210 Repair Hints

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Customer Care Europe & Africa
SCCE Training Group

Flash faults

PDA does not start/ or Phone backlight is blinking.

PDA backlight is working but nothing on PDA display.

Note! If the communictator does not boot up after connecting the battery, pay attention to the Phone display. If the
Phone backlight is blinking, refer to the service manual/ Troubleshooting/ Memory Test and/ or Memory troubleshooting,
(See blink code table below) otherwise try to flash the phone first.
-
If nothing is on PDA display, interchange the
If the flash update failed, pay attention to the Flash ID´s (See picture below)
-
Corrupt
1)
FLASH 1 (D352) defect
Corrupt
2)
FLASH 0 (D351) defect
3)
OK
To 1)
- The flash 1 (D352) is faulty. This can be seen at the second flash ID (0000-0000) in the first case.
To 2)
- In the most cases D351 is faulty, but also the whole Flash (D351- D354) or D300 MADLINDA could be faulty.
To 3)
- In this case all flash IDs and MADLINDA are OK.
If one of the IDs is 0000-0000, check Vcore = 1.8 VDC and VBB = 2.8 VDC at following components:
-
D351
Vcore at C360/C361
D352
Vcore at C362/C363
D353
Vcore at C366/C370
D354
---
-
If Vcore is not ok, check Vcore = 1.8 VDC Pin 4 and Vbatt = 4 VDC at Pin 3 of V105 (VBatt depends on settings of power
supply at the workbench).
or change faulty ones if necessary.
If VBB is not ok, check VBB = 2.8 VDC at C111. If not ok, check VB = 4VDC at Pin 6 of N102.
-
If VB is ok, check N102 and surrounding components for shorts or disconnections and resolder or change the faulty ones if
-
necessary.
-
If all voltages are ok, change the faulty Flash and flash the phone.
-
If the fault persists, probably the MADLINDA (D300) is faulty. Up to HW 4.00, the D300 is not changeable because of
underfill. From HW-ID 4.23 with OSP, the MADLINDA is changeable. (See SB-027)
© 2002 Nokia Mobile Phones
BL8
and
Flashing...
Status
The flash manufacturer and device IDs in the existing
algorithm
file do not match with the IDs
Configuration
MCUSW:
ASIC: 00020210
CSUM: 9688h
Flash ID 0089-8896, 0000-0000, 0089-8896, 0000-0030
Flash ID 0000-0000, 0000-0000, 0000-0000, 0000-0000
Flash ID 0089-8896, 0089-0096, 0089-8896, 0000-0030
D351 XIP 1
D352 XIP 2
FLASH 0
FLASH 1
VBB at C353/C354
VBB at C355/C356
VBB at C364/C365
VBB at C369
(Note! VBatt = VB)
Also check surrounding components for shorts or disconnections and resolder
CONFIDENTIAL
RAE-3
13.03.2002
UL2
modules with working onces, to find out which is faulty.
D353 XIP 3
D354
FLASH 2
Serial FLASH
Checked by:
Customer Care Training Group
5 (17)
Repairhints
Version 2.0 Approved
Blink code table
2* blinks = Flash 0 or 1 or 2 faulty
3* blinks = SDRAM faulty
4* blinks = Serial Flash faulty
The blinks repeating after 2
seconds. It is not easy to see.
If the flash 0 is faulty, it is
possible that no blinking
sequence is shown on the phone
display and the communicator
does not boot up.
Approved by:
SCCE

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