TM 11-6625-2781-14&P-2
Figure 8-22. Input Attenuation Assembly A3 (08553-6021)
Table 8-6. 8553B Cable Connections
Wire
Cable
Color
Function
Connections
Code
W1
6
Connects input signal from A12 Input Capacitor Assy to A3 Input Attenuator
A12P1-A11J1
Assy
W2
6
Connects output signal from A3 Input Attenuator Assy to A11 120 MHz Low
A3J2-A11J1
Pass Filter Assy
W3
6
Connects output signal from All 120 MHz Low Pass Filter Assy to A9 200 MHz
IF Assy
A11J2-A9J2
W4
2
Connects A7 200-310 MHz VTO Assy LO output to A9 200 MHz IF Assy
A7J4-A9J3
W5
7
Connects A7 200 MHz IF signal to A10 Second Converter
A9J1-A10J3
W6
9
Connects A10 50 MHz signal to W7
A10J1-W7P1
W7
Clear
Connects 50 MHz signal from W6 to interconnect jack J3
W7P1-J3A1
W8
1
Connects A5 Voltage Control output to A7 200-310 MHz VTO Assy
XA5-1 - A7J2
W9
2
Connects A7 200-310 MHz VTO Assy to P4
A7J3-P4A2
W10
2
Connects A7 200-310 MHz VTO Assy to A6 APC Assy
A7J1-A6J1
W11
4
Connects A8 Reference Assy to A6 APC Assy
A8J1-A6J2
W12
3
Connects 8552A Ramp voltage from J3 to P4
J3 Pin 14-P4A3
W13
5
Connects ramp voltage from A2 Scan Width Attenuator Assy to A5 Voltage
Control Assy
A2S1-19 -XA5-13
W14
6
Connects 8552A 47 MHz LO from J3 to P4
J3A2-P4A6
W15
4
Connects A10 Second Converter Assy to P4
A10J2-P4A4
W16
7
Connects 8552A Scan and Blanking signals from J3 to P4
J3 Pin 13-P4A7