User's Manual

PRELIMINARY
PRELIMINARY PRELIMINARY
PRELIMINARY –
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– Service Manual
Service ManualService Manual
Service Manual
DR• CHKD• APPD•
44
manual mode output : -
125dBm
closed
Adjust the Transmi
Adjust the TransmiAdjust the Transmi
Adjust the Transmitter section
tter sectiontter section
tter section：
：：
：
Measurement
MeasurementMeasurement
Measurement Adjustment
AdjustmentAdjustment
Adjustment
Item
ItemItem
Item Condition
ConditionCondition
Condition
Test
Test Test
Test
equip
equipequip
equip
Terminal
TerminalTerminal
Terminal Parts
PartsParts
Parts Method
MethodMethod
Method
Specificati
SpecificatiSpecificati
Specificati
ons/Remarks
ons/Remarksons/Remarks
ons/Remarks
8.Transimet
frequency
CH: TX center
Turn to channel 1 in
manual mode
Synthetical
test
ANT
PTT•up•MO
NI•down•
Adjust it to center frequency error•150Hz
1.CH:TX center
Turn to channel 2 in
manual mode
PTT•up•MO
NI•down•
Adjust it to:4.0•Po•4.8 W
I•1.6A
2.CH: TX LOW
Turn to channel 3
Press PTT
Check:4.0•Po•4.8W
I•1.6A
9.Power
3.CH:TX HIGH
Turn to channel 4
Press PTT
Synthetical
test
Ammeter
ANT
Check:4.0•Po•4.8 W
I•1.6A
1.CH: TX center,
turn to channel 13
in manual mode,
dev: wide
Press PTT
VR501 Adjust it to:4.2kHz±100Hz Wide
10.MAX DEV
2.CH: TX center,
turn to channel 13
in manual mode,
dev: narrow
Press PTT
Synthetical
test LPF:
15kHz
AF:1kHz
120mV
ANT MIC
Check:1.8kHz-2.2kHz Narrow
1.CH: TX center,
turn to channel 13
in manual mode,
dev: wide
Press PTT
VR501 Check:2.2kHz-3.6kHz Wide
11.MIC SENS
2.CH: TX center,
turn to channel 13
in manual mode,
dev: narrow
Press PTT
Synthetical
test FILER:
0.3-
3.4kHz
AF:1kHz
12mV
ANT MIC
Check:1.1kHz-1.8kHz Narrow
1.CH: TX center,
turn to channel 9 in
manual mode
67.0Hz
CTCSS
12.DQT/QT
2.CH: TX center,
turn to channel 16
in manual mode,
press PTT
Synthetical
test LPF:
300Hz
ANT VR500
Adjust VR500,the test value of on
condition 1 & condition 2 is
consistent, the difference
value•20Hz
250.3Hz
CTCSS