TK-7180H/7182H
48
Item
Condition
Measurement
Adjustment
Specifications/Remarks
Test-
equipment
Unit
Terminal
Parts
Unit
Method
1. Setting
1) Power supply voltage
DC power supply terminal : 13.6V
2) SSG standard modulation
[Wide 5k] MOD : 1kHz, DEV : 3kHz
[Wide 4k] MOD : 1kHz, DEV : 2.4kHz
[Narrow] MOD : 1kHz, DEV : 1.5kHz
2. VCO lock
[Panel test mode]
Power meter Rear
ANT
TX-RX
TC301 8.1V
±
0.1V
voltage
1) CH-Sig : 3-1
panel
(B/3)
• RX
2) CH-Sig : 2-1
DVM
TX-RX
CV
Check
2.0V
±
0.5V
(B/3)
• TX
[Panel tuning mode] LPWR*
TX-RX
TC302 8.1V
±
0.1V
3) CH-Sig : 3-1
(B/3)
PTT : ON
4) CH-Sig : 2-1
Check
2.0V
±
0.5V
PTT : ON
* TX can be continued on unlock condition in panel tuning mode.
1. Frequency
1) Adj item : [FREQ]
f. counter
Rear
ANT
Front
[ ],[ ] Center frequency
Note : After replacing the
adjust
Adjust : [
✳✳✳
]
panel
panel
±
50Hz
VCXO (X301) align frequency.
PTT : ON
2. Frequency
1) Adj item : [SHFT1]
[L SHFT1]
±
50Hz
shift 1
Adjust : [
✳✳✳
]
Low fr1.25kHz
adjust
2) Adj item : [L SHFT1]
→
[C SHFT1]
[C SHFT1]
→
[H SHFT1]
Center fr1.25kHz
Adjust : [
✳✳✳
]
[H SHFT1]
PTT : ON
High fr1.25kHz
3. Frequency
1) Adj item : [SHFT2]
[L SHFT2]
±
50Hz
shift 2
Adjust : [
✳✳✳
]
Low fr2.5kHz
adjust
2) Adj item : [L SHFT2]
→
[C SHFT2]
[C SHFT2]
→
[H SHFT2]
Center fr2.5kHz
Adjust : [
✳✳✳
]
[H SHFT2]
PTT : ON
High fr2.5kHz
4. Max high
1) Adj item : [MHPWR]
Power meter
53W
±
3W
power
Adjust : [
✳✳✳
]
adjust
2) Adj item : [L MHPWR]
→
CAUTION!
[L’ MHPWR]
→
[C MHPWR]
→
Do not attempt to adjust
[H’ MHPWR]
→
[H MHPWR]
the transceiver’s transmit
Adjust : [
✳✳✳
]
output power beyond its
PTT : ON
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.
Common Section
Item
Condition
Measurement
Adjustment
Specifications/Remarks
Test-
equipment
Unit
Terminal
Parts
Unit
Method
Transmitter Section (K market model skips adjustment of Wide 4k)
ADJUSTMENT (TK-7180H)
