Kenwood TK-7180H Service Manual page 61

TK-7180H/7182H
Common Section
Item Condition
1. Setting 1) Power supply voltage
DC power supply terminal : 13.6V
2) SSG standard modulation
[Wide] MOD : 1kHz, DEV : 3kHz
[Narrow] MOD : 1kHz, DEV : 1.5kHz
2. VCO lock [Panel test mode]
voltage 1) CH-Sig : 3-1
• RX
2) CH-Sig : 2-1
• TX [Panel tuning mode] LPWR*
3) CH-Sig : 3-1
PTT : ON
4) CH-Sig : 2-1
PTT : ON
* TX can be continued on unlock condition in panel tuning mode.
Transmitter Section
Item Condition
1. Frequency 1) Adj item : [FREQ_]
adjust Adjust : [✳✳✳]
PTT : ON
2. Frequency 1) Adj item : [SFT1_]
shift 1 Adjust : [✳✳✳]
2) Adj item : [S.FT1_] →
adjust
[S.F.T.1_] → [S.F.T.1._.]
Adjust : [✳✳✳]
PTT : ON
3. Frequency 1) Adj item : [SFT2_]
shift 2 Adjust : [✳✳✳]
2) Adj item : [S.FT2_] →
adjust
[S.F.T.2_] → [S.F.T.2._.]
Adjust : [✳✳✳]
PTT : ON
4. Max high 1) Adj item : [MHPW_]
power Adjust : [✳✳✳]
2) Adj item : [M.HPW_] →
adjust
[M.H.PW_] → [M.H.P.W_] →
[M.H.P.W._] → [M.H.P.W._.]
Adjust : [✳✳✳]
PTT : ON
60
ADJUSTMENT (TK-7182H)
Measurement
Test-
Unit Terminal
equipment
Power meter Rear ANT
panel
DVM TX-RX CV
(B/3)
Measurement
Test-
Unit Terminal
equipment
f. counter Rear ANT
panel
Power meter
Adjustment
Unit Parts Method
TX-RX TC301 8.1V
(B/3)
Check
TX-RX TC302 8.1V
(B/3)
Check
Adjustment
Unit Parts Method
Front [ ],[ ] Center frequency
± 50Hz
panel
[S.FT1_]
Low frequency+1.25kHz
[S.F.T.1_]
Center frequency+1.25kHz
[S.F.T.1._.]
High frequency+1.25kHz
[S.FT2_]
Low frequency+2.5kHz
[S.F.T.2_]
Center frequency+2.5kHz
[S.F.T.2._.]
High frequency+2.5kHz
53W
Specifications/Remarks
± 0.1V
2.0V± 0.5V
± 0.1V
2.0V± 0.5V
Specifications/Remarks
Note : After replacing the
VCXO (X301) align frequency.
± 50Hz
± 50Hz
± 3W
CAUTION!
Do not attempt to adjust
the transceiver's transmit
output power beyond its
specifications.
If the transceiver is adjusted
beyond the specifications, it
may cause deterioration of
the parts reliability and the
output power may be lowered
suddenly and unstable.
The transceiver may be also
extremely hot.