Make your own free website on Tripod.com
Next Page
Page 7 - 2

SERVICE
BULLETIN
NO
DESCRIPTION DATE
ISSUED

3
( REISSUE)
4

5
 

6

7
(REISSUE)

8

 

 

9
 

10

Correlation between frequencies on different bands
 
Improvement of ALC action and elimination of ALC overshoot

Improvement of transmit-receive exciter tuning coincidence
 

Elimination of delay in operation when switching from transmit to receive function

Replacement of relays K2 and K4 with enclosed type
 

A. Elimination of AGC overshoot on noise pulses and provide dual time-constant action

B. Change source of delay bias to the AGC rectifier

C. Addition of delayed-decay AGC to the rf amplifier

Addition of Modification Kit 744Hw convert KWM-2 to KWM-2A,
Collins part number 622-0803-001

Elimination of vhf parasitic oscillations in tone oscillator V2B

10-1-71
 
9-2-60

1-3-6 1
(1st revision)

1-11-62

2-1-70
 

9-1-70

 

 

4-15-73
 

4-15-74

Next Page