Nokia 3210 Repair Manual page 14

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Customer Care Europe & Africa

Technical Services Training Group

PHONE DOES NOT SWITCH ON

At first always check mechanical appearance of battery connectors X101/X102 if bent or dirty etc. –

defect connectors could cause additional faults like "not charging" or the phone switches off intermittently.

Does not switch on with battery (nor with service battery)

Check if phone works properly in service jig.

Check if BTEMP AD value is in range of 300.

Check battery connectors X101 / X102 for broken solderings or bent spring contacts (see pictures below).

Check if phone works also after connecting LCD module in jig (short circuit in VBB line from LCD possible).

X504 related fault

Check if connector X504 has its correct position – especially after rework in its area.

If it is misplaced or bent, it could cause possible short circuits to D - Cover with throughholes.

POWER switch S416 faulty

Check mechanical condition of S416.

Check if PWRON at R413 drops to 0V during pressing power switch.

Change powerswitch S416 or continue with CCONT chapter on page#17.

L102 broken/poor soldered

Check soldering of L102.

Check resistance of L102 = 0Ω.

Resolder coil or change if necessary.

See the different versions of coil in HW changes chapter on page#9.

VB line faulty

Check battery voltage VB 2.7VDC at L102.

Check VB 2.8VDC at R132.

Check connection (0Ω) between R132/L102.

See HW changes chapter on page#9 for additional PCB protection.

CONFIDENTIAL

NSE-8/9

Date: 05.09.2001

Checked by:

CC Training Group

14 (48)

Repairhints

Version 5.0 Approved

Approved by:

Technical Services