TK-260G/270G
ADJUSTMENT
Since the
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) | Power meter | ANT |
| Check | 0.8V or more | |
| RX | 2) | DVM | CV(LV) |
|
| 4.0V ± 0.1V | |
| TX | 3) |
|
|
|
| 0.8V or more | |
|
|
| PTT:ON |
|
|
|
|
|
|
| 4) |
|
|
|
| 3.5V ± 0.1V | |
|
|
| PTT:ON |
|
|
|
|
|
Transmitter Section
| Item |
| Condition | Measurement |
|
|
| Adjustment | Specifications/ | |||
|
| Test equipment | Terminal |
|
|
| Parts | Method | Remark | |||
|
|
|
|
|
|
|
| |||||
| 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 |
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| ±0.1W | |||
| 3. Hight Power | 1) | Adj item [HPOW] |
|
|
| Encoder | 5.0W | ||||
| 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) |
|
|
|
|
|
| Check | 4.0~6.0W | ||
|
|
| PTT:ON |
|
|
|
|
|
|
| 2.3A or less | |
|
| 2) |
|
|
|
|
|
|
|
| ||
|
|
| PTT:ON |
|
|
|
|
|
|
|
| |
|
| 3) |
|
|
|
|
|
|
|
| ||
|
|
| 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) |
|
|
|
|
|
| Check | 0.5~1.5W | ||
|
|
| Set low power (Push [2]) |
|
|
|
|
|
|
| 1.2A or less | |
|
|
| PTT:ON |
|
|
|
|
|
|
|
| |
|
| 2) |
|
|
|
|
|
|
|
| ||
|
|
| PTT:ON |
|
|
|
|
|
|
|
| |
36 |
| 3) |
|
|
|
|
|
|
|
| ||
|
| PTT:ON |
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|