Nokia 3210 Circuit Diagram 2

nokia

Service & Analysis Center Europe SACE AMS Training Group

TOPTOP

CONFIDENTIAL

Quick Baseband Repair Hints

NSE-8

Modified : 05.07.2000

1(4)

Version 2.0 Approved

GF/GD 7-17

BOTBOT

TOMTOM

ANT

SRAM

J340J340

1010

MAD

FLASH

J343J343

1010

1212

DUPLEX

AFC

COBBA(N200)

1111

J201J201

VXO

OUT

44 22

2.2.

5.5.

UHF

Ctrl

Out

+VB

VHF

Out

SUMMA

CRFU

In Out

Out

71MHZ FILTER

Phone doesn´t switch on DC / DC converter

Note: If power-consumption is >500mA, continue with section “Low standby/operation mode time”

1. Check connector X101 and X102.

2. Check VB at L102 (check soldering and resistance).

3. Check the connection between L102 and R132. No connection-PCB faulty.

4. Check value from V105, pin 3. (0V) . OK, goto No. 6.

5. Check V109 and R131,132,134,143,144.

6. Check the voltage at V101 anode 2,6V; cathode 3,2V. OK continue with CCONT.

7. Check 600kHz switching frequency at Pin 4,5,12,13 of V105 (No,change V105).

- Check 1,2V operation voltage at Pin 15 of V105 and check soldering.

8. Check R102, R105 and R112.

-. DC / DC converter is OK, continue with CCONT-part .

Phone doesn´t switch on (CCONT- part)

1. Check if PWRON (3,2V DC) on R413 drops to 0V during pressing S416.

2. Check 32,768 kHz sinewave at B100. Yes, go to No. 4

- Change B100 if frequency of the signal is not OK.

3. Check C147, C148, C153.

4. Check 32,768 kHz squarewave signal at C149. No ,change N100.

5. Check Vbb (2,8V DC) at C117. No,- change N100.

6. Check VXO (2,8V DC) at C102. No,- change N100.

7. Check Vref (1,5V DC) at C123. No,- change N100.

8. Check VXO PWR (2,8V DC ) at J340. No,- MAD is faulty. Swap ,because Mad is not changeable.

9. Check PURX (2,8V DC) at R303 after pressing S416. No ,change N100.

10. Check 13 Mhz RFCLK-(masterclk) frequency at C301. No,- check G701.

-. Try to flash the phone. If not possible, see next section.

Doesn´t switch on, section: FLASH (update not possible)

1. Check 32,768 kHz sleep clock at C149. No-see section CCONT.

2. Check 13MHz RFCLK (masterclk) at C301. No- see section CCONT.

3. Check VBB 2,8V at C117. No- see section CCONT.

- External RAM failure.

4. Change RAM or resolder. ( D 302 ).

- MCU boot failure.

5. Change FLASH. ( D 301).

- Swap phone, because MAD or PCB should be the reason.

Contact Service, CCONT(N100) interface failed

1. Check if PWRON 3,2V drops to 0V at R413 during pressing S416.If not, check R413,S416.

2. Check 32,768 kHz square wave at C149 (OK go to No. 4).

3. Check/change B100, C147, C148, C153, N100 .

4. Check if VBB rise up to 2,8V DC at C117 (No, change N100).

5. Check if VXO rise up to 2,8V DC at C102 (No change N100).

6. Check if VREF rise up to 1,5V DC at C123 (No, change N100).

7. Check if VXOPWR rise up to 2,8V DC at J340 (No, MAD or PCB should be the reason).

8. Check if PURX rise up to 2,8V DC at R303. No,change N100.

9. Check if RFCLK (masterclk) 13MHz at C301 (2,8Vpp). No, change or check soldering of G701,V702.

Contact Service, COBBA(N200) parallel / serial bus failed

1. Check COBBA_CLK 13MHz / 3,2 Vpp at J201 (OK go to No.5 ).

2. Check 13MHz RFCLK (masterclk) at C301, if OK- swap,because MAD or PCB should be the reason.

3. Check soldering of G701.Change if necessary.

4. Check soldering of V702.Change if necessary.

5. Check VBB 2,8V at C117 (not OK, change N100 and C117).

6. Check VCOBBA 2,8V DC at C248 (not OK, change N100 and C248).

7. Check COBBA_RESET at J343 (not OK-swap, because MAD(D300) or PCB should be the reason).

8. Change COBBA(N200).*

In Out

Out

+VB

Out

+VB

Ctrl

Phone switches off intermittent

- Check if this happens only with 5V SIM-cards. If the phone works properly with 3V SIM´s, goto No.9

1. Check X101 and X102 ( poor soldered, bend or soiled ? ).

2. Check amplitude of 32,768 kHz square wave at C149 .OK , goto No. 9.

3. Check B100.( Solderings OK ? ).

4. Check C147.( Solderings OK ? ).

5. Check C148.( Solderings OK ? ).

6. Check C153.( Solderings OK ? ).

7. Check amplitude of 13 Mhz, RF CLK C301- 2,8Vpp. Not OK change G701, V702.

8. Change Ccont (N100), probably poor soldered.

9. Check the 5V supply voltage at C136 with an oscilloscope.

-. Change C136 if the noise is higher than 350mVpp.

Display failure

A. Missing line segments or no Display function.

- Check the display of mechanical appearance. Not OK, change Display.

1. Check VBB 2,8V DC at C400 and R420 . OK, change Display.

2. Check VBB 2,8V at C117 . OK-PCB is faultly.

B. No display back light

3. Check VDC_OUT 3,2V at V406, V409, V412, V413. Not OK -PCB faulty .

4. Check the LCD_LED line -N400,pin9 to V406, V409, V412, V413 “on”=1,2V, “off”=1,9V.

5. Check N400-pin1: VDC_OUT, pin2: VBB, pin7: LCD_LIGHT “on”=2,8V.

6. Check R415 (12K) pin8 to GND.

Buzzer failure

1. Check buzzer control signal from MAD(D300),pin3, (2,8Vpp).

- Use WINTESLA / testing audio / level1 / 1000 Hz .No,- swap the phone.

2. Check 3,9V VDC_OUT at N400,pin1 and “+” of B400. OK, goto No. 4.

3. Check connection to VDC_OUT at V105 pin 1/16.

4. Check buzzer signal 5Vpp at N400, pin6 and “-” of B400. Ok,-change B400.

5. Check VBB 2,8V DC at N400, pin2. OK change N400.

6. Check connection to VBB 2,8V DC at C117.

Not charging beep is not coming from phone if charger is plugged in

1. Check system connector, clean contacts & PCB or change if necessary.

2. Check resistance of F100.

3. Check resistance of L100.

4. Check V_CHARGE_IN at C100. OK,- change N101.

Not charging error message / beep is coming from phone if charger is plugged in

1. If B_TEMP A/D is OK ,go to No 3. If not, check connection between R125 and R127. No,-PCB is faulty.

2. Check NTC resistor R127.

3. Charge voltage failed (No,go to No 7) R100/ R101 = 0,8V ( OK, change N100 ).

4. Check resistance of F100.

5. Check resistance of L100.

6. Check R103 ( bend or broken). Yes, change R103 and N101.

Battery voltage failed

7. Check R106/R111. OK change N100.

Sign

GND

PSCC

CCONT

Internal audio failure

A. Speaker doesn´t work (No-go to B)

-. Check the mechanic and impedance of speaker (about 30 Ohm).

1. Check L202, L203 and connection to speaker pads / bottom

- Not OK,-change L202 or L203

2. Check the resistance between L202/203 to GND (>1M Ohm)

3. Check C221-224. Ok, goto No.8.

B. Microphone doesn´t work

- Check contacts and impedance of microphone ( 500R-1K )

4. Change microphone, not OK,check the connection X503-->PCB for soiled.

5. Check the microphone bias voltage 1,7V at C242 (OK goto No. 11).

6. Check voltage on R214, check its connection to N200. Not OK, change N200.

7. Check audio signal at C258/259. Not OK, check signal path from R214 to N200.

8. Check VBB( 2,8V ) at C117 and VCOBBA (2,8V) on C248. Not OK, check CCONT(N100).

9. Check COBBA_CLK 13MHz/3,2Vpp at J201.Not OK, swap- MAD (D300) faulty.

10. Check COBBA_RESET at J343. Not OK, swap-MAD( D300) faulty.

11. Change COBBA (N200)*

Clock time problems / wrong ringingtone speed

1. Check 32.768 kHz squarewave at C149. No, change B100.

2. Check/change C147, C148, C153.

3. Check/change N100.

Insert SIM card, SIM card not accepted

1. Check solderings and contacts of X100.

2. Check signals at SIM-CARD reader, see layout for pinouts.

3. Change V112 if SIM_DATA,_CLOCK,_RESET or VSIM is short circuited to GND.

4. Check also R115, R116, C137, C138, C139, C140, C141.

5. Check/change CCONT( N100).

- SIM card not accepted

- SIM LOCK active ( correct the SIM LOCK settings)

7. Check/change COBBA(N200).*

Low standby / operation mode time

- Check power consumption

- Off state current is >1mA

- Lift L103. If current is OK, goto 1.

- Lift C109/110/115; V105; R137/104; C122 one by one and check the current.

- If higher current persists- PCB is faulty.

1. Lift L505 and check the current. Current ok- change N500.

2. Lift L506 and check the current. Current ok- change N501.

3. Lift C111-113 and check/change them if current is ok.

4. Lift L105 and check the current.

5. Lift/change N100, if high current persists- PCB is faulty.

- Sleepmode current is >2-8mA.

6. Check resistance at C117 to GND. If resistance < 10k, check all Parts supplied by VBB (Flash(N301), COBBA(N200), RAM etc. ). If high current persists after checking/desoldering these items, MAD or PCB is faulty.

*Note : COBBA(N200) change : If COBBA(N200) was changed, it is necessary to rewrite IMEI & SIMLOCK data and realign RX/TX, esp. TX I/Q

nokia

Service & Analysis Center Europe SACE AMS Training Group

TOPTOP

CONFIDENTIAL

Quick RF-Part Repair Hints

NSE-8

Modified : 05.06.2000

2(4)

Version 2.0 Approved

GF7-17

Training

J340J340

SRAM

MAD

FLASH

J343J343

ANT

DUPLEX

AFC

VXO

Out

COBBA(N200)COBBA(N200)

J201J201

2.2.

5.5.

BOTBOT

TOMTOM

UHF

Ctrl

Out

71MHz Filter

Out

Z504

Ant

Out

Sign

Gnd

PSCC

+VB

Ctrl

CCONT

Out

+VB

Out

VHF

Out

CRFU

Out

NO RX GSM900

1. Check the 13MHz reference frequency at N700,pin15.

2. Check LNA GSM(947MHz) at N600,pin 27.

3. Check 947MHz on Z600 (in and out).

4. Check UHF frequency (2036MHz/Ch60) at N600,pin 4

5. Check 71MHz IF at C617/618. Not ok, change N600.

6. Check 71 MHz IF at N700,pin 37/38. Not ok- change Z700. Also check C701/704.

7. Check VHF-frequency 464MHz at N700,pin 8.

8. Check RXC at N700,pin 36. Not ok- change N200.

9. Check 13 MHz IF at N700,pin 30. Not ok- change N700.

10. Check 13MHz IF at N700,pin 25. Not ok- change Z701.

11. Check 13MHz IF at N700,pin 23;24. Not ok- change N700.

12. Change N200

NO RX GSM1800

1. Check the 13MHz reference frequency on pin 15 of N700.

2. Check LNA_PCN (1842,8 Mhz/ch.700 ) at N600,pin 34. Not ok- check/change Z501/503/504.

3. Check 1842,8MHz at N600 pin 42;43. Not ok-check/change parts around Z602. ( C640;R602/603;L607/608)

4. Check UHF-frequency (2029,8MHz/Ch.700) at N600,pin 4.

5. Check 187 MHz IF at N600,pin 11;12. Not ok- check/change N600, check parts around C627/629. (L604/609/610/618;C643/649)

6. Check 1/4 VHF-frequency 116 MHz at N600,pin 9. Not ok, check/change G702,N700, parts around L705. (C709/723/724/738;R709/716;L709)

7. Check 71 MHz IF at C617/618. Not ok- change N600.

8. Check 71 MHz IF at N700 pin 37; 38. Not ok, change Z700, check C701/704.

9. Check VHF frequency 464 MHz at N700 pin 8. Not ok, check Values around G702.

10. Check RXC at N700 pin 36. Not ok- change N200.

11. Check 13MHz IF at N700 pin 30. Not ok- change N700.

12. Check 13MHz IF at N700 pin 25. Not ok- change Z701.

13. Check 13MHz IF at N700 pin 23;24. Not ok- change N700.

14. Change N200.

NO TX GSM900

1. Check the 13Mhz reference frequency on pin 15 of N700.

2. Check VHF frequency ( 464 Mhz ) on pin 8 of N700. No, check/change G702.

3. Check IF ( 116Mhz ) on pins 44&45 of N700. No, change N700.

4. Check IF ( 116MHz ) on pin 25&26 of N600.

5. Check UHF Lo frequency ( 2036Mhz / ch.60 ) on pin 4 of N600. Yes, go to No.7.

6. Check UHF frequency on C608. Check/change G700

7. Check PA_GSM ( 902MHz / ch.60 ) on pin 22 of N600. No, change N600.

8. Check PA_GSM at C619

9. Check PA_GSM at N500 pin4. OK, goto 11

10. Check CTL_GSM at N700 pin 31 (0.7-1.7Vpp, depends on powerlevel). Yes, check/change N500 & Z601

11. Check PA_GSM at L500; Z500; Z503; X501.

NO TX GSM1800

1. Check the 13MHz reference frequency on pin 15 of N700.

2. Check VHF frequency ( 464Mhz ) on pin 8 of N700. No, check/change G702.

3. Check IF ( 232MHz ) on pin 46 of N700. No, change N700.

4. Check IF ( 232MHz ) on pins 35&37 of N600. No, check/change Z702.

5. Check UHF frequency (1979,8MHz / ch.700 ) on pin 4 of N600. Yes, go to No.7.

6. Check UHF frequency on C608.

7. Check PA_PCN on pin 40 of N600. No, change N600.

8. Check PA_PCN at Z603 out.

9. Check PA_PCN at N502 in&out.

10. Check PA_PCN at R514, also check CTL_PCN at N700 pin 28 (0.5-1,5Vpp,depends on powerlevel).

11. Check PA_PCN at N501 pin 4. Not ok, change N501.

12. Check PA_PCN at Z504 pin TX. Not ok-check/change L503.

13. Check VC at C524(0.9VDC in PCN-TX mode).

14. Check PA_PCN at Z504 pin 1. Not ok- check/change Z504.

15. Check/change Z503, X501.

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