Nokia 6310 - WAP (Wireless Application Protocol); Voice features

CONFIDENTIAL
16 (29)
NPE-4 6310/NPL-1 6310i Repair Hints
Customer Care Europe, Middle East & Africa Version 3.0 Approved
SCCE Training Group Date 22.04.2003
© NMP 2003
Checked by:
SCCE Training Group
Approved by:
SCCE
Flowchart - No service → no RX
No Service /
No RSSI
Set Phone to RX-Burst-Mode.
Set RF Generator to Ch. 37,
RX-level -55 dBm
Set Spectrum Analyzer to
RX EGSM 942.4 MHz,
.
Check
RX I/Q-Signal 67.71 kHz
,Vpp=1.1V at C721 (set
oscilloscope to DC-Mode)
500 mV, Time base
1 ms.
Check
Dtos 67.71 kHz
at C714.
Check
RX-Signal 942.4 MHz,
at L626.
Check
Sys CLK 26 MHz
Vpp = 800 mV at
C752.
Check
following voltages:
VR3 = 2.8 VDC at C602; VR1A = 4.7 VDC
at C600; VR4 = 2.8 VDC at C601;
VR5 = 2.8 VDC at C604; VR6 = 2.8 VDC
at C605; VR7 =2.8 VDC at R630;
VREFRF01 & VREFRF02
= 1.35 V at R726.
Change N600
Hagar.
Check D200
UEM.
Check G740 26 MHz
oscillator circuit
Check
PCN RX-Signal
1842.4 MHz, Ch. 700,
at L616.
Check RX-line to X102
antenna connector for
shorts or disconnections.
Check
CP_F I/Q (BIQUAD)
67.71 kHz
at C714.
Check
C714 for cold or
broken
solderings.
Change N600
Hagar
Change C714.
Check
following voltages :
VR4 = 2.8 VDC at C601;
VR6 = 2.8 VDC
at C605.
OK
nOK
nOK
OK
OK
OK
OK
nOK
nOK
OK
nOK
nOK
nOK
nOK
Check D200
UEM.
Change N600
Hagar.
nOK
OK
OK
OK
Check
RF Clk 13 MHz
at C424.
OK
Check / Change
N600 Hagar