Kenwood TK-785 Service Manual page 49

Item Condition
3. High power 1) Set test mode
Select "HPOW" in tuning mode. F. counter panel
"L HPOW"
PTT : ON
2) "L2 HPOW"
PTT : ON
3) "C HPOW"
PTT : ON
4) "H2 HPOW"
PTT : ON
5) "H HPOW"
PTT : ON
4. Low power 1) Set test mode
Select "LPOW" in tuning mode.
"L LPOW"
PTT : ON
2) "L2 LPOW"
PTT : ON
3) "C LPOW"
PTT : ON
4) "H2 LPOW"
PTT : ON
5) "H LPOW"
PTT : ON
5. Power check 1) Set test mode
CH : CH1 - Sig1
CH2 - Sig1
CH3 - Sig1
PTT : ON
6. Modulation 1) Set test mode
balance MIC input : OFF
Select "BAL" in tuning mode. meter
"L BAL"
Deviation meter filter
LPF : 3kHz
HPF : OFF
De-emphasis : OFF
2) "C BAL"
PTT : ON
3) "H BAL"
PTT : ON
7. Maximum 1) Set test mode
deviation Connect AG to the MIC
terminal.
Select "MAX" in tuning mode.
"L MAX"
AG : 1kHz/40mV
Deviation meter filter
LPF : 15kHz
HPF : OFF
De-emphasis : OFF
PTT : ON
2) "C MAX"
PTT : ON
3) "H MAX"
PTT : ON
ADJUSTMENT
Measurement
Test-
Unit Terminal Unit
equipment
Power meter Rear ANT
Power meter
Power meter ANT
Ammeter DC IN
Power meter Rear ANT
Deviation panel
Oscilloscope
AF VTVM Front MIC
AG panel
Adjustment
Parts Method
± 1.0W
10.0W K
15.0W E
25.0W M
± 0.5W
5.0W
Check 10W±1W, 6A or less K
15W±1W, 6A or less E
25W±1W, 8A or less M
Make the de-
modulation
waveform near.
2.05kHz +0Hz/–50Hz
(According to the
larger +, –)
TK-785
Specifications/Remarks
49