PALOMAR
90A
VOLTAGE
CHART
| Test Point |
Receive
|
Transmit |
|
|
Hi Power |
Low Power |
||
|
A High Voltage |
780 VDC |
725 VDC |
760 VDC |
|
B Screen Supply Voltage |
96 VDC |
96 VDC |
48 VDC |
|
C Screen Voltage |
48 VDC |
�48 VDC |
�0 VDC |
|
D Relay Voltage |
12.6 VDC |
�11 VDC |
�11 VDC |
|
F Bias Voltage |
-34 VDC |
-33 VDC |
-33 VDC |
|
F Filament Voltage |
12.6 VAC |
�12.6 VAC |
�12.6 VAC |
|
V1 6LF6 Tube |
|
|
|
|
Pin 1 |
�6.3VAC |
� 6.3VAC |
�6.3VAC |
|
Pin 2 |
� .15VDC |
Varies with Drive |
� .25to .6 |
|
Pins 3 & 11 |
48VDC |
�48VDC |
�0 |
|
Pins 4 & 10 |
�0 |
� 0 |
�0 |
|
Pins 5 & 9 |
-18 VDC |
-17.5 VDC |
-22VDC |
|
Pins 6.7 & 8 |
�0 |
� 0 |
�0 |
|
Pins l2 |
�0 |
� 0 |
�0 |
|
V2 6LF6 Tube |
|
|
|
|
Pin 1 |
�12.6 VAC |
�12.6 VAC |
12.6 VAC |
|
Pin 2 |
� .15 VDC |
Varies with Drive |
.25 to . 6 |
|
Pins 3 & 11 |
48VDC |
�48VDC |
�0 |
|
Pins 4 & 10 |
�0 |
� 0 |
�0 |
|
Pins 5 & 9 |
-18 VDC |
-17.5 VDC |
-22VDC |
|
Pins6,7 & 8 |
�0 |
�0 |
�0 |
|
Pin 12 |
�6.3VAC |
�6.3VAC |
�6.3VAC |
|
TR1 |
|
|
|
|
G |
�0 |
|
|
|
S |
�2.2VDC |
|
|
|
D |
13VDC |
|
|
|
TR2 |
|
�Keyed |
|
|
E |
�0 |
�.9VDC |
|
|
B |
�0 |
1.6 VDC |
|
|
C |
13VDC |
4.5VDC |
|
|
TR3 |
|
|
|
|
E |
�0 |
�0 |
|
|
B |
�0 |
�.9VDC |
|
|
C |
13VDC |
�.1VDC |
|
Disclaimer: Although the greatest care has been taken while compiling these documents,
we cannot guarantee that the instructions will work on every amp presented.