Siemens S6 GSM PCN Service Manual
Private Communication Systems
Mobile Phones
S6 GSM/PCN
Level 2.5
Repair Documentation
V1.4
V1.4 Page 1 of 17 PN MP ST
D. Schnoor
08/98
Private Communication Systems
Mobile Phones
Table of Contents:
1 RF CONNECTOR
...................................................................................................................................................................................3
2 EXCHANGE OF EXTERNAL CONNECTOR
...................................................................................................................................................................................6
3 1A FUSE
.................................................................................................................................................................................10
4 RINGER
.................................................................................................................................................................................13
5 ANNEX................................................................................................................................................................16
V1.4 Page 2 of 17 PN MP ST
D. Schnoor
08/98
Private Communication Systems
Mobile Phones
1RF Connector
1.1Affected Units
1.1.1Type: S6 GSM / PCN
1.1.2Affected IMEIs / Date Codes: All / All
1.1.3Affected SW-Versions: All
1.1.4Fault Code for LSO reporting: 3RFC
1.2Fault Description
1.2.1Fault Symptoms for customers:
Customers experience a low Rx sensitivity of the handset, having problems registering to the network and
making calls.
1.2.2Fault Symptom on GSM-Tester:
The GSM-Tester will show a low Tx-Power only on the
internal antenna (aerial coupler measurement!).
1.3Priority:
........ Mandatory
........ Repair
........ Optional
........ Not Yet Defined
V1.4 Page 3 of 17 PN MP ST
D. Schnoor
08/98
Private Communication Systems
Mobile Phones
1.4Repair Documentation
1.4.1Description of procedure:
1.4.1.1Diagnosis
Visually check the status of the antenna connector. Look for a bent
contact or dry soldering joint.
1.4.1.2Repair by component change
Use hot air blower to remove defective connector.
Resolder new connector afterwards.
Pin 1 is the RF pin, pins 2 and 3 are ground.
1.4.1.3Repair by SW-Booting
Not possible!
1.4.1.4Test
Retest handset after repair.
1.4.2List of needed material
1.4.2.1Components
Connector X751
Part-Number: L24859-Z1359-A24
1.4.2.2 Jigs and Tools
Soldering Iron
Hot Air Blower
1.4.2.3Special Tools
None
V1.4 Page 4 of 17 PN MP ST
D. Schnoor
08/98
Private Communication Systems
Mobile Phones
1.4.2.4Working materials
Desolder Wick / Braid
Solder
Flux
1.4.3Drawings
V1.4 Page 5 of 17 PN MP ST
D. Schnoor
08/98
Figure 1: S6 Board RF Connector Side
Figure 2: S6 RF Connector (X751) Placement (Top View)
Private Communication Systems
Mobile Phones
2Exchange of External Connector
2.1Affected Units
2.1.1Type: S6 GSM / PCN
2.1.2Affected IMEIs / Date Codes: All / All
2.1.3Affected SW-Versions: All
2.1.4Fault Code for LSO reporting 3MOC
2.2Fault Description
2.2.1Fault Symptoms for customers:
Customers are unable to charge the battery, since
the charging pin is broken/missing
Network search
Connector is physically damaged
2.2.2Fault Symptom on GSM-Tester:
Power problems on the external and internal antenna
Location update problems on external and internal
antenna
2.3Priority:
........ Mandatory
........ Repair
........ Optional
........ Not Yet Defined
V1.4 Page 6 of 17 PN MP ST
D. Schnoor
08/98
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