Nokia 6310 Manual page 16

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