Kenwood KCH-16 Service Manual page 49

TK-5810/5810H Transmitter Section
Item Condition
1. Frequency [Panel test mode]
adjust *3 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.
2. Max power [Panel test mode]
adjust 1) CH-Sig: 1-1
• TK-5810 PTT: ON
• TK-5810H
3. High power [Panel tuning mode]
adjust 1) Adj item: [W HPW]
• TK-5810 Adjust: [ *** ]
2) Adj item: [WL HPW]→
• TK-5810H [WLC HPW]→[WC HPW]→
K
[WCH HPW]→[WH HPW]
Adjust: [ *** ]
PTT: ON
Press [Orange] to store the ad-
justment value after adjustment.
• TK-5810H
K2
4. Low power 1) Adj item: [W LPW]
adjust Adjust: [ *** ]
• TK-5810 2) Adj item: [WL LPW]→
[WLC LPW]→[WC LPW]→
[WCH LPW]→[WH LPW]
Adjust: [ *** ]
• TK-5810H
PTT: ON
Press [Orange] to store the ad-
justment value after adjustment.
5. DQT balance 1) Adj item: [W BALW]
adjust Adjust: [ *** ]
• Wide 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.
• 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.
*3: 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.
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
f.counter Rear ANT Front
panel panel
Power Final
meter
Ammeter
Front
panel
Deviation Rear ANT
meter panel
Oscillo-
scope
AG Front MIC jack
AF VTVM panel
KCH-16
Adjustment
Parts Method
[B],[C] Center frequency Note: After replacing the
±50Hz VCXO (X200) align frequency.
VR1 50W ±2W
107W ±2W
[B],[C] 45W ±1W
14A or less
[WL HPW]: 100W ±1W
[WLC HPW]: 100W 28A or less
[WC HPW]: 100W
[WCH HPW]: 100W
[WH HPW]: 60W
100W
5.0W ±0.5W
5A or less
50W ±1W
15A or less
Make the demodu-
lation waves into
square waves.
Specifi cations / Remarks
49