Repair procedures, tests, and adjustments
Manpack Transceiver 2110 series Repair Guide
101
Figure 32:
Receive fault diagnosis flowchart 1
Is
Rx indicator at
full scale?
Receive fault
diagnosis
flowchart 1
Yes
No
Check that frequency and
mode are correct
Set RF signal generator
to –40 dBm then feed
into 50 ohm port
Is a tone
audible from
0208?
Yes
Audio & Control PCB
or Front Panel PCB
suspected faulty
No
Disable mute and scan
Switch on internal speaker
Is a tone
audible from internal
speaker?
Front Panel PCB
suspected faulty
Yes
No
Disassemble 2110
Set RF signal generator
to –30 dBm, Cfg Auto
Tune Mode to
50 ohm
and connect antenna to
50 ohm port
Check RF at
TP101
on
RF/IF & Synthesiser PCB
Is
RF at
TP101
60 mV p–p?
Check RF at
OUTPUT
on
RF/IF & Synthesiser PCB
Is
RF at
OUTPUT
60 mV p–p?
No
Check RF at centre
pin of
J2
on
Antenna Tuner PCB
Is
RF at
J2
60 mV p–p?
No
Check RF at centre
pin of
J1
on
Antenna Tuner PCB
Is
RF at
J1
60 mV p–p?
Yes
Check RF at
TX_RX
on
PA & Filter PCB
Is
RF at
TX_RX
60 mV p–p?
Replace PA & Filter PCB
Check and/or
replace coaxial cable
between PA & Filter
PCB and RF/IF &
Synthesiser PCB
No
Yes
Yes
Check and/or
replace 50 ohm connector
and associated coaxial
cable on front panel
No
Check and/or
replace coaxial cable
between Antenna Tuner
PCB and PA &
Filter PCB
Yes
No
Replace Antenna Tuner
PCB
Receive fault
diagnosis flowchart 2
Yes
Set Cfg Auto Tune Mode
to
ATU
Set Cfg Auto Tune Mode
to
50 ohm
Set RF signal generator
to –40 dBm, then feed
into ATU port
Is a tone
audible from
handset?
Yes
No
Is
Rx indicator at
full scale?
50 ohm cable/connection
suspected faulty
Antenna Tuner PCB,
PA & Filter PCB, or
RF/IF & Synthesiser PCB
suspected faulty
Yes
No
Return to Repair
flowchart
Содержание 2110 series
Страница 10: ...List of tables viii Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 14: ...Index Index 4 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 20: ...Contact information 6 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 34: ...Brief description 20 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 36: ......
Страница 43: ...04 03515 CODAN ...
Страница 44: ...16 00116 sheet 1 ...
Страница 45: ...16 00116 sheet 2 ...
Страница 46: ...16 00116 sheet 3 ...
Страница 47: ...16 00116 sheet 4 ...
Страница 48: ...16 00116 sheet 5 ...
Страница 49: ...16 00116 sheet 6 ...
Страница 50: ...16 00116 sheet 7 ...
Страница 51: ...16 00120 sheet 1 ...
Страница 52: ...16 00120 sheet 2 ...
Страница 53: ...16 00120 sheet 3 ...
Страница 54: ...16 00120 sheet 4 ...
Страница 55: ...16 00120 sheet 5 ...
Страница 56: ...16 00120 sheet 6 ...
Страница 57: ...16 00120 sheet 7 ...
Страница 58: ......
Страница 128: ...96 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 130: ...98 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 132: ...100 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 134: ...102 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 136: ...104 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 138: ...106 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 140: ...108 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 150: ...Options 118 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 158: ...Definitions 126 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...
Страница 164: ...Specifications 132 Manpack Transceiver 2110 series Repair Guide This page has been left blank intentionally ...