4
12.4
OVER-TEMPERATURE CUT-OFF...............................................................................................................................................20
12.5 OVER-CURRENT CUT-OFF .......................................................................................................................................................21
12.6 IG2 BLINKS FAST - NO PLATE VOLTAGE..................................................................................................................................21
12.7 SPARKS / DISCHARGES IN RF AREA ........................................................................................................................................21
12.8 SWR CUT-OFF.........................................................................................................................................................................21
12.9 FREQUENT OVER-DRIVE PROTECTION CUT-OFF......................................................................................................................21
12.10 TUBE REPLACEMENT ..........................................................................................................................................................21
13 WARRANTY / SERVICE ......................................................................................................................................................21
14 GLOSSARY..............................................................................................................................................................................22
15 APPENDIX 1: SCHEMATIC DIAGRAMS.........................................................................................................................23
15.1 DX-1D BLOCK DIAGRAM .......................................................................................................................................................23
15.2 CIRCUIT DIAGRAM – HIGH VOLTAGE POWER SUPPLY.................................................................................................24
15.3 CONTROL BOARD AND ADJUSTMENT POINTS ........................................................................................................................25
15.4 CIRCUIT DIAGRAM – AC INPUT AND WIRING DIAGRAM – STANDARD........................................................................26
15.5 CIRCUIT DIAGRAM – AC INPUT AND WIRING DIAGRAM – U.S. VERSION ...................................................................27
15.6 CIRCUIT DIAGRAM – SOFT START (200 TO 240 V OPERATION)....................................................................................28
15.7 CIRCUIT DIAGRAM – QSK......................................................................................................................................................29
15.8 CIRCUIT DIAGRAM – RF MODULE.......................................................................................................................................30
15.9 CIRCUIT DIAGRAM – CONTROL BOARD............................................................................................................................31
15.10 CONTROL BOARD – COMPONENT LEGEND (SILKSCREEN TOP)...................................................................................32
CONTROL BOARD – SOLDER SIDE TRACK WORK ...............................................................................................................................33
16 APPENDIX 2: WAVEFORMS ..............................................................................................................................................34
16.1 QSK (OPTIONAL MODULE) SWITCHING .................................................................................................................................34
16.2 LINEARITY ..............................................................................................................................................................................34
17 APPENDIX 3: ADJUSTMENTS ...........................................................................................................................................35
17.1 CONTROL BOARD..............................................................................................................................................................35
17.1.1 PRE-BIAS ADJUSTMENT (Adjustment: POT7, marked PRE_BIAS) .........................................................................35
17.1.2 BIAS ADJUSTMENT (Adjustment: POT3, marked BIAS) ...........................................................................................35
17.1.3 SWR Protection adjustment...........................................................................................................................................36
17.1.4 EBS ADJUSTMENT (Adjustment: POT4, marked EBS). .............................................................................................36
17.1.5 SCREEN VOLTAGE ADJUSTMENT (Adjustment: POT2, marked SCREEN)............................................................36
17.1.6 SCREEN CURRENT LIMIT ADJUSTMENT (Adjustment: POT1, IG2LIMIT)..........................................................37
17.1.7 IPTRIP ADJUSTMENT (Adjustment: POT6, marking: IP TRIP)................................................................................37
17.2 DISPLAY BOARD ADJUSTMENTS ..................................................................................................................................39
17.2.1 PLATE CURRENT (Adjustment: VR4, Marked: AMP) ................................................................................................39
17.2.2 PLATE VOLTATE (Adjustment: VR2, marked: VOLT)................................................................................................39
17.2.3 REFLECTED POWER (Adjustment: VR3, marked: RF R) ..........................................................................................39
17.2.4 FORWARD POWER (Adjustment: VR1, marked: RF F) .............................................................................................39
17.2.5 SCREEN CURRENT (Adjustment: VR6, marked IG2+, VR5, marked IG2-) ..............................................................39
17.3 RF SENSOR ADJUSTMENT ...............................................................................................................................................40
To Next Page
Loading...
