Sedecal SHF-310 - Page 347

HF Series Generators
Troubleshooting
TR-1005R4
107
SECTION 5 CENTRAL LISTING
5.1 HT CONTROLLER BOARD
5.1.1 HT CONTROLLER BOARD (A3000--10/20)
JUMPERS / SWITCHES
JUMPER / SWITCH DESCRIPTION
SW2 SYSTEM CONFIGURATION AND TEST 8 POSITIONS DIP SWITCH
JP1 A A3000-- 10 VERSION
B A3000--20 VERSION
B
O
A
R
D
C
O
N
F
I
G
U
R
A
T
I
O
N
JP2 A A3000-- 10 VERSION
B A3000--20 VERSION
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.
POTENTIOMETERS
POTENTIOMETER RATING DESCRIPTION
R29 10K, 1/2w FREQUENCY ADJUSTMENT OF HV INVERTER
R49 20K, 1/2w FREQUENCY ADJUSTMENT FOR FILAMENT INVERTER
R51 10K, 1/2w DEAD TIME CONTROL FOR FILAMENT INVERTER
RELAYS
RELAY RATING DESCRIPTION
K1 +12VDC COIL, 1A CONTACT, SPST --12 VDC SUPERVISOR