Kenwood TK-868G Service Manual page 31

TK-868G
Item Condition
3) "L.P.O.W"
PTT : ON
Adjust [ *** ]
4) "L.P.O.W."
PTT : ON
Adjust [ *** ]
5) "L.P.O.W._."
PTT : ON
Adjust [ *** ]
5. Power check 1) Set test mode
CH : CH1 - Sig1
CH2 - Sig1
CH3 - Sig1
PTT : ON
6. Modulation 1) Set test mode
balanced MIC input : OFF
• Wide Select "BAL" in tuning mode. meter
"_.BAL"
Deviation meter filter
LPF : 3kHz
HPF : OFF
De-emphasis : OFF
PTT : ON
Adjust [ *** ]
2) "_.B.A.L"
PTT : ON
Adjust [ *** ]
3) "_.B.A.L._."
PTT : ON
Adjust [ *** ]
• Narrow 4) "_BAL *** ."
PTT : ON
Adjust [ *** ]
7. Maximum 1) Set test mode
deviation Connect AG to the MIC
• Wide terminal.
Select "MAX" in tuning mode.
"_.MAX"
AG : 1kHz/50mV
Deviation meter filter
LPF : 15kHz
HPF : OFF
De-emphasis : OFF
PTT : ON
Adjust [ *** ]
2) "_.M.A.X"
PTT : ON
Adjust [ *** ]
3) "_.M.A.X._."
PTT : ON
Adjust [ *** ]
• Narrow 4) "_MAX *** ."
PTT : ON
Adjust [ *** ]
30
27
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power meter Rear ANT Front
panel panel
Power meter Rear ANT
panel
Ammeter DC IN
Power meter Rear ANT Front
Deviation panel panel
Oscilloscope
AF VTVM Front MIC
AG panel
Adjustment
Parts Method
± 0.5W
CH / 5.0W
Check 25W±1W, 8A or less
CH / Make the de- (Wide/Narrow)
modulation
waveform neat.
± 50Hz (Wide/Narrow)
3.95kHz (Wide)
1.95kHz (Narrow)
(According to the
larger +, –)
Specifications/Remarks