Icom IC-756PRO Alignment Procedure

IC-756PRO Alignment Procedure
PLL Board
Reference Oscillator
- Connect Frequency counter to P81 on the PLL board
- Adjust L53 and R33 for 64.000000MHz
- Connect RF volt meter to P81 on the PLL board
- Adjust L81 and L82 for maximum level
-
LPL A
- Set display to 0.0300000MHz, LSB
- Connect multi-meter to check point LPA
- Adjust C154 for 2.0V
VCO A
- Connect multi-meter to check point LVA
- Set display to 7.999999MHz, USB
- Adjust C278 for 4.3V
- Set display to 19.999999MHz, USB
- Adjust C258 for 4.3V
- Set display to 44.999999MHz, USB
- Adjust C228 for 4.3V
- Set display to 60.000000MHz, USB
- Adjust C208 for 4.3V

Icom IC-756PRO Specifications

General

Type	HF/50MHz Transceiver
Supply Voltage	13.8 V DC
Receiver Type	Triple conversion superheterodyne
Frequency Range	0.03-60 MHz
Modes	SSB, CW, AM, FM, RTTY
Selectivity	2.4 kHz (SSB), 6 kHz (AM)
Image Rejection	70 dB
Current Drain	20 A (max)
Intermediate Frequencies	455 kHz