Honeywell Bendix/King KX 165A, Maintenance Manual

Page: 98 / 297

BENDIX/KING KX 165A
Page 5-50 15610M00.RCD Rev 0, Jun/2000
TABLE 5.7 KX 155A Glideslope Test voltages (200-09060-0000 Board)
JUNCTION V
DC
(no RF) V
DC
(RF
1
)
V
DC
(RF
2
)
V
DC
(RF
3
)
V
DC
(RF
4
)
Sheet Description
J14 pin 8 4.5 5.1 5.1 5.1 1 IF AGC
C134,R114 8.6 1 9 V line
J14_4 9.3 1 9 V line
C89,C82 5.4 1 5 V line
J14_6 5.4 1 5 V line
Q6 Drain 8.5 1 RF Amp
U2 pin 6 5.1 1 MMIC RF Amp
Q7 Drain 7.5 1 Mixer
Q5 Base 2.3 1 IF Amp 1
Q5 Collector 4.0 1 IF Amp 1
Q1 Base 3.1 1 IF Amp 2
Q1 Collector 6.5 1 IF Amp 2
U4 pin 2 8.1 1 IF Amp 3
Q2 Base 0.7 1 IF Amp 4
Q2 Collector 3.1 1 IF Amp 4
Q3 Base 0.6 1 Detector Bias
Q4 Base 0.6 0.6 1 Detector
TP4 5.0 5.0 1 Detector Output
TP5 7.3 3.9 3.9 4.1 1 RF AGC
TP6 4.6 5.1 5.1 5.1 1 IF AGC
J14 pin 2 4.7 4.7 1 Composite Audio
U6 pin 4 4.7 4.7 2 Synthesizer IC power
TP3 3.4 4.1 5.2 2 VCO Tuning voltage
TP10 0.0 0.7 3 Flag
U12 pin 6 5.0 3 5 V Reference
U10 pin 3 2.5 3 Reference input
U11 pin 18 2.5 2.5 2.6 3 Adjustment Centering
TP11 2.5 2.5 2.6 3 GS Down
TP12 2.5 2.5 2.5 3 GS Up
TP11 to TP12 0.000 0.000 0.078 3 Deviation
Notes: RF
1
= 329.15 MHz, -76 dBm, 0.000 ddm glideslope signal with NAV set to 108.95 MHz
RF
2
= 332.0 Mhz, -76 dBm, 0.000 ddm glideslope signal with NAV set to 109.3 MHz
RF
3
= 335.0 MHz, -76 dBm, 0.000 ddm glideslope signal with NAV set to 110.3 MHz
RF
4
= 332.0 MHz, -76 dBm, 0.091 ddm glideslope signal with NAV set to 109.3 MHz
All voltages are referenced to chassis ground unless otherwise noted.