Sedecal SHF-310 - Page 348

HF Series Generators
Troubleshooting
TR-1005R4
108
5.1.2 HT CONTROLLER BOARD (A3000--30/33/34/35/36 & so)
JUMPERS / SWITCHES
JUMPER / SWITCH DESCRIPTION
SW2 SYSTEM CONFIGURATION AND TEST 8 POSITIONS DIP SWITCH
JP1 1 COMPATIBLE WITH OLD
LOW SPEED STARTER
2 COMPATIBLE WITH LF-RAC (LOW
SPEED STARTER) AND
DRAC (HIGH SPEED STARTER)
B
O
A
R
D
C
O
N
F
I
G
U
R
A
T
I
O
N
JP2 1 COMPATIBLE WITH OLD
LOW SPEED STARTER
2 COMPATIBLE WITH LF-RAC (LOW
SPEED STARTER) AND
DRAC (HIGH SPEED STARTER)
BO
A
RD CONFIGUR
A
TION
LEDs
LED COLOR DESCRIPTION
DS1 YELLOW
SERIAL COMMUNICATION LINK DETECTION BETWEEN
CONTROL CONSOLE AND POWER MODULE.
LED STARTS IN A QUICK FLASHING MODE UNTIL SERIAL
COMMUNICATIONS IS RECEIVED FROM THE CONTROL
CONSOLE AND, AT THAT TIME, SLOWS TO A STEADY FLASH
OF ABOUT 2 PER SECOND.
DS2 YELLOW EXPOSURE INDICATOR
DS3 YELLOW PREPARATION INDICATOR
POTENTIOMETERS
POTENTIOMETER RATING DESCRIPTION
R29 10K, 1/2w FREQUENCY ADJUSTMENT OF HV INVERTER
R49 20K, 1/2w FREQUENCY ADJUSTMENT FOR FILAMENT INVERTER
RELAYS
RELAY RATING DESCRIPTION
K1 +12VDC COIL, 1A CONTACT, SPST --12 VDC SUPERVISOR