Test equipment required:
| Power Supply: 13,2 V | SINAD Meter | Oscilloscope | |
| AM/FM SSG | (AM: 1 kHz 60% Mod.) | (FM: 1 kHz 1.2 kHz Deviation) |
Preparation alignment:
| NB/ANL | Off | ||
| HI CUT | Off | ||
| SQUELCH | Counter clockwise | ||
| Volume | Clockwise | ||
| RF Gain | Clockwise | ||
| Clarifier | Center | ||
| Frequency | 27.185 MHz |
| Step | Condition | Adjustment | Procedure |
|---|---|---|---|
| 1 | AM 60% Mod. |
L17 L2 L6 L7 L11 L12 L13 | Adjust for maximum reading on the AF VTVM |
| 2 | FM 1.2 kHz Dev. |
L16 | Adjust for maximum reading on the AF VTVM |
| 3 | AM No Mod. |
VR4 | SSG: 40dB (50uV) Adjust "9" just light on |
| 4 | AM No Mod. |
VR2 | SSG: 66dB (1mV) Just apper AF level |
| 5 | USB No Mod. |
L15 and L14 | Adjust for maximum reading on the AF VTVM |
| 6 | USB No Mod. |
VR3 | SSG: 40dB (50uV) Adjust "9" just light on |
| 7 | USB No Mod. |
VR1 | SSG: 66dB (1 mV) Just apper AF level |
| 8 | USB No Mod. |
L1 | Connect Oscilloscope to TP4. Set Oscilloscope to DC range and adjust to reach max. reading. |
| 9 | AM 26.065 MHz 60% Mod. |
Check | SSG: 10dB More than 20 dB SINAD |
| 10 | AM 28.755 MHz 60% Mod. |
Check | SSG: 10dB More than 20 dB SINAD |
#1999/DréCB {} 19MIR001 [] 27.805 Mhz./USB
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