TK-7180
39
Item Condition
Measurement Adjustment
Specifications/Remarks
Test-
equipment Unit Terminal PartsUnit Method
ADJUSTMENT
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 frequency+1.25kHz
adjust 2) Adj item : [L SHFT1] → [C SHFT1]
[C SHFT1] → [H SHFT1]
Center frequency+1.25kHz
Adjust : [✳✳✳][H SHFT1]
PTT : ON
High frequency+1.25kHz
3. Frequency 1) Adj item : [SHFT2] [L SHFT2] ±50Hz
shift 2 Adjust : [✳✳✳]
Low frequency+2.5kHz
adjust 2) Adj item : [L SHFT2] → [C SHFT2]
[C SHFT2] → [H SHFT2]
Center frequency+2.5kHz
Adjust : [✳✳✳][H SHFT2]
PTT : ON
High frequency+2.5kHz
4. Max high 1) Adj item : [MHPWR]
Power meter
33W ±3W
power Adjust : [✳✳✳]
adjust 2) Adj item : [L MHPWR] →
[L’ MHPWR] → [C MHPWR]→
[H’ MHPWR] → [H MHPWR]
Adjust : [✳✳✳]
PTT : ON
Common Section
Item Condition
Measurement Adjustment
Specifications/Remarks
Test-
equipment Unit Terminal PartsUnit Method