Text preview for : 9-npl-1.pdf part of Nokia 6310i Service Manual Gsm Telephone - Part 1/6 - File 18
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Phone is dead Yes L260 towards SIM connector, VBAT = 3.6 VDC Yes L261 towards C261, L262 towards C262, L265 towards C265 voltage = 3.6 VDC Yes Pin 2 and 4 on S300 = 0 VDC when powerkey pressed Yes Sleep clock on J404 ~32.768 Hz, 1.8 Vpp Yes PURX = 1.8 VDC on J402 or V130 (Bluetooth module) pin44 ~1 sec. after power key is pressed Yes No Check: D200, PWB Check: B200,C209,C210, D200,PWB Check: S300, PWB Check: L261,L262,L263, C261,C262,C265 Failure in VBAT line, check: X101, X102
No
No
No
No
VR3 ~2.78 VDC on C295 towards D200 (UEM)
No
Check: D200,C295,PWB
Yes 26 MHz clock min 300 mVACpp on R425 towards D200 with regular probe Cin ~10-13 pF/10M Yes Check: D400 (UPP),D450 (FLASH) Check: R425,C425 (Mjoellner)
No
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Flash programming
Flash programming doesn't work
If fault information from Prommer is: Phone doesn't set FBUS_TX line low Yes Check the connections: X100 p11 - R101 X100 p12 - R104 X100 p13 - R100 Connection ok? Yes Try reading MCU ID with Phenix Reading ok? Yes No Replace either UEM or UPP
No Solder / replace faulty component
Try reading Flash ID with Phenix reading ok? Yes
No Replace Flash
Flash again
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Power doesn't stay on or phone is jammed Yes Sleep clock on J404 ~32.768 Hz, 1.8 Vpp Yes PURX = 1.8 VDC on J402 or (V130 Bluetooth module) pin44 ~1 sec. after power key is pressed Yes UI functionality and keys react to pressure Yes 26 MHz clock min 300 mVACpp on R425 towards D200 with regular probe Cin ~10-13 pF/10M Yes TBA Check: R425,C425 (Mjoellner) Check: D400,D450,Z300, Keymat, Lightguide,PWB Check: B200,C209,C210, D200,PWB
No
No
Check: D200,PWB
No
No
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Phone doesn't register to network or phone doesn't make a call Yes
C292 towards D200 (UEM) ~4.75 VDC C294 towards R308 ~2.78 VDC C295 towards UEM ~2.78 VDC C296 towards V310 ~2.78 VDC C297 towards UEM ~2.78 VDC C298 towards R307 ~2.78 VDC C299 towards V310 ~2.78 VDC C288 towards R306 = 1.35 VDC C289 towards UEM = 1.35 VDC all during GSM frame. Use TXP on J701 Yes Check RF serial bus: RFBUSCLK on J421 RFBUSDA on J422 RFBUSEN1X on J423 Transitions "1" <-> "0", 1.8 VDC <-> 0 VDC during GSM frame Yes Check analog signals during GSM frame (Tx slot): TXIOUTP and TXIOUTN on C715 DC level = 1-1.25 VDC TXQOUTP and TXQOUTN on C716 DC level = 1-1.25 VDC Yes
No
Check: D200, D400,PWB
No
Check: D400,PWB
No
Check: D200,D400, PWB, RF
Check analog common mode signals during GSM frame (Rx slot): See RF trouble shooting No
RF troubleshooting
Yes Check RF
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SIM Fault
Measure VSIM at X386. Is it 3V? Yes Check SIM power-up sequence
No
Check SIM reader X386
Measure VSIM at C302. Is it 3V? Yes
No
UEM FAILURE
Replace R388
VSIM
Reset
Clock
Data
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Display Fault
Is display working
No
Change display module
Yes Is display working No
Yes Measure Vflash1 is 2,78V Yes No
Turn phone off and ohm measure between Vflash1 and ground. ~46k ohm UEM FAILURE
0 ohm
Check C239, C279, C304, C309, C350 R174, R202 and R352. OK
Measure Vio is 1,8V Yes
No
Turn phone off and ohm measure between Vio and ground. ~510k ohm
0R
Check C207, C218, C303, C404, C405, C450, C451 and R173. OK
UEM FAILURE
Measure Vout at C302 is ~10,7V
No Check C302 OK
Yes END UPP FAILURE
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Keypad fault
Power Key OK?
No
Voltage on S300 approx = Vbat
No
Check C312 and Z300 If Ok -> UEM fail
Yes
Yes
Voltage on S300 while pressed approx = Vbat
No
Phone jammed
Yes
S300 ok ?
No
Change S300
Yes
Keypad fault 2 Phone dead
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Keypad fault 2
Volume UP key OK?
No
Check S301 with Ohmmeter S301 short?
No
Replace S301 If still fail
Yes
Yes
Replace Z300 If still fail-> UPP failure
Volume DOWN key OK?
No
Check S302 with Ohmmeter S302 short?
No
Replace S302 If still fail
Yes
Yes
Replace Z300 If still fail-> UPP failure Keypad fault 3
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Keypad fault 3
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Keyboard OK?
No
Replace light guide OK now?
No
Replace Z300 if still fail -> UPP failure
Yes
Yes
END
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Audio faults
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Earpiece doesn't work and there isn't any mechanical problem
Microphone doesn't work and there isn't any mechanical problem
Replace Microphone Replace Earpiece Ok Check L158, R171 (and Check R171 (and C150 and R156 for Shortcircuit) Ok UEM FAILURE (D200) Ok Ok R150 towards UEM (bias) = 2.1V Yes R151 towards miclines (bias) = 1.01.4 V Yes Check MIC line to UEM: L155, R153,C156, C155, R151, C154, R152 Ok UEM FAILURE (D200) No Check R150, R151, V158, C151, C153, C152 No UEM FAILURE (D200)
Headset microphone doesn't work and there isn't any mechanical problem
Ok R162 towards UEM (bias) = 2.1V Yes R163 towards miclines (bias) = 0.81.4 V Yes Check XMIC line to UEM: L168, R167, C168, C167, C166, C165, R166, C164, R165
No UEM FAILURE (D200)
No
Check R162, R163, V151, C160, C162, C161
Ok UEM FAILURE (D200)
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Headset earpiece doesn't work and there isn't any mechanical problem
With headset connected, measure C177 and C178 towards UEM - DC level 0.8V. Press keypad tone 5 and measure with oscilloscope. An AC signal pressents. OK Measure C158 towards N150 with an oscilloscope. Same AC signal present (higher level). OK Measure R179 towards UPP - DC level > 1.5V OK Check L150, R183, C158 (and C159, R161 for Shortcircuit) OK Check R176, C179, R177, R178, R180, C176, C177 and C178.
Not OK UEM FAILURE
Not OK
BOOMER FAILURE
Not OK
UPP FAILURE
Buzzer doesn't work and there isn't any mechanical problem
Vibra doesn't work and there isn't any mechanical problem
Check vibra Replace Buzzer Ok Check L307, C307, C308 UEM FAILURE (D200) Ok UEM FAILURE (D200) Ok
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Phone is off - battery is completely empty (~3.1 VDC) and no current is drawn from charger when connected Yes VCHAR > 2.1 VDC on L100 towards C107 Yes D200 UEM is faulty No Check: F100, L100, V101, C107
Phone is on or off - battery has norminal voltage 3.6 VDC and no current is drawn from charger when connected Yes VCHAR > 2.1 VDC on L100 towards C107 Yes Check: D200, D400 No Check: F100, L100, V101, C107
Display information when charger connected: "Not charging" Yes Voltage on R240 towards D200 (UEM) ~0.8 VDC when power is connected. BSI value must be 39K (BPS-2, BLS-2) Yes Voltage (Use Scope) on R220 towards D200 (UEM) ~0.9 VDC at peak. BTEMP value must be 47K. Yes Voltage on R200 towards D200 (UEM) same as VBAT voltage Yes Voltage slowly rises on R200 towards D200 (UEM) when charger is connected Yes Check: PWB Check: D200, PWB Check: R200, D200 Check: X102,R202,R220, C220 Check: X101, R202,R240,C240
No
No
No
No
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No BT air connection No
Antenna open circuit Yes Faulty PWB
V130 bad soldering
No
Replace module V130
No BT audio connection J143 USARTTx = 1,8V Data Yes J144 USARTRx = 1,8V Data Yes Faulty PWB No V130 bad soldering No Replace module V130 No V130 bad soldering No Replace module V130
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RF Fail The problem is most likely RF related if the following conditions are fulfilled. · Module can be flashed and BER Test can be initiated. · BER is above limit or no connection to BT-Box
Visual soldering inspection
Not OK
Re-solder
2.
Measure SYSCLK (V130 P50) 0.3 ... 0.8Vpp Reference: 11pF probe. Note: The measured result can depend very much on the probe type. Tip: If nessesary, measure a known good prototype with the same probe. NO See RF troubleshooting document
YES Measure Vreg 2.8 volts (V130 P6) YES Replace MCM NO Check VFLASH1 & L133
Re-flash BT only
Test points can be seen in the document "Baseband testpoints".
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