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KCH-16
41
ADJUSTMENT
TK-5710/5710H Transmitter Section
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
1. Frequency
adjust *1
[Panel test mode]
1) CH-Sig: 3-1
[Panel tuning mode]
2) Adj item: [W TXF]
Adjust: [***]
PTT: ON
Press [Orange] to store the ad-
justment value after adjustment.
f.counter
Rear
panel
ANT
Front
panel
[B],[C] Center frequency
±50Hz
Note:
After replacing the
VCXO (X200) align frequency.
2. Max power
adjust
• TK-5710
[Panel test mode]
1) CH-Sig: 1-1
PTT: ON
Power
meter
Ammeter
Final
VR1
55W
±2W
• TK-5710H
1) CH-Sig: 3-1
PTT: ON
118W
±2W
3. High power
adjust
• TK-5710
[Panel tuning mode]
1) Adj item: [W HPW]
Adjust: [***]
2) Adj item: [WL HPW]
→
[WLC HPW]
→
[WC HPW]
→
[WCH HPW]
→
[WH HPW]
Adjust: [***]
PTT: ON
Press [Orange] to store the ad-
justment value after adjustment.
Front
panel
[B],[C] 50W
±1W
12A or less
• TK-5710H
110W
±2W
25A or less
4. Low power
adjust
• TK-5710
1) Adj item: [W LPW]
Adjust: [***]
2) Adj item: [WL LPW]
→
[WLC LPW]
→
[WC LPW]
→
[WCH LPW]
→
[WH LPW]
Adjust: [***]
PTT: ON
Press [Orange] to store the ad-
justment value after adjustment.
5.0W
±0.5W
5A or less
• TK-5710H
50W
±1W
12A or less
5. DQT balance
adjust
• Wide
1) Adj item: [W BALW]
Adjust: [***]
Deviation meter fi lter
LPF: 3kHz
HPF: OFF
2) Adj item: [WL BALW]
→
[WLC BALW]
→
[WC BALW]
→
[WCH BALW]
→
[WH BALW]
Adjust: [***]
PTT: ON
Press [Orange] to store the ad-
justment value after adjustment.
Deviation
meter
Oscillo-
scope
AG
AF VTVM
Rear
panel
Front
panel
ANT
MIC jack
Make the demodu-
lation waves into
square waves.
• Narrow
3) Adj item: [N BALN]
Adjust: [***]
4) Adj item: [NL BALN]
→
[NLC BALN]
→
[NC BALN]
→
[NCH BALN]
→
[NH BALN]
Adjust: [***]
PTT: ON
Press [Orange] to store the ad-
justment value after adjustment.
*1: The reference oscillator frequency may drift due to shock (jarring the radio) or operating conditions. We strongly recommend that the oscillator be
checked each time the radio is serviced, or at least once per year. Maintenance should only be performed under normal temperatures.