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TK-260G/270G
36
Common Section
Item Condition
Measurement Adjustment
Specifications/
Test equipment
Terminal Parts Method
Remark
1. Setting 1)
BATT terminal voltage:7.5V
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:2-1 Power meter ANT Check 0.8V or more
RX 2) CH-Sig:3-1 DVM CV(LV) 4.0V ± 0.1V
TX 3) CH-Sig:2-1 0.8V or more
PTT:ON
4) CH-Sig:3-1 3.5V ± 0.1V
PTT:ON
Transmitter Section
Item Condition
Measurement Adjustment
Specifications/
Test equipment
Terminal Parts Method
Remark
ADJUSTMENT
1. Frequency 1) PTT:ON Freq. Counter ANT VR1 Center frequency
Adjust Power meter (162.0 MHz) ± 50Hz
Am meter
2. Max Power 1) Adj item [HPOW] Check 5.2W or more
Check Adjust [256]
2) Adj item
[H.P O W] ➞ [H.P.O W] ➞ [H.P.O.W] ➞ [H.P.O.W] ➞ [H.P.O.W. .]
Adjust [256]
PTT:ON
3.
Hight Power
1) Adj item [HPOW] Encoder 5.0W ±0.1W
Adjust Adjust [∗∗∗] knob 2.2A or less
2) Adj item
[H.P O W] ➞ [H.P.O W] ➞ [H.P.O.W] ➞ [H.P.O.W] ➞ [H.P.O.W. .]
Adjust [∗∗∗]
PTT:ON
4.
Hight Power
[Panel Test Mode]
Check 1) CH-Sig:1-1 Check 4.0~6.0W
PTT:ON 2.3A or less
2) CH-Sig:2-1
PTT:ON
3) CH-Sig:3-1
PTT:ON
5. Low Power 1) Adj item [LPOW] Encoder 1.0W ±0.1W
Adjust Adjust [∗∗∗] knob 1.0A or less
2) Adj item
[L.P O W] ➞ [L.P.O W] ➞ [L.P.O.W] ➞ [L.P.O.W.] ➞ [L.P.O.W. .]
Adjust [∗∗∗]
PTT:ON
6. Low Power [Panel Test Mode]
Check 1) CH-Sig:1-1 Check 0.5~1.5W
Set low power (Push [2]) 1.2A or less
PTT:ON
2) CH-Sig:2-1
PTT:ON
3) CH-Sig:3-1
PTT:ON
Since the TK-260G cannot be tuned from the panel, the FPU (KPG-56D) should be used for adjustment.
Adjust the receive BPF waveform according to the appropriate adjustment item.