Emtron DX-3 Скачать руководство пользователя

Страница: 32 / 42

15.9 Circuit Diagram – CONTROL BOARD

BR3

LBA291

C22

10uF

C21

10nF

X2.

U10

PC521

1N4148

D27

1N4148

D28

X8.

BC557

68R

R18

2k2

R17

MPSA92

Q23

X7.

BC547

MJE16002

220K

2K2

R14

100k

R15

62V

ZTX558

10nF

C19

240R

R10

X5.

150uF/400V

NC1

NO1

NO2

NC2

RL2

M4-12H

160K

R78

220K

BR1

WO6

X7.

R13

6K8

R12

6k8

4.7nF

PC521

BZX79C24V

D26

R26

OUT

LM358

(4=GND, 8=12V)

D10

5V6

39K

R33

R30

R28

4K7

R27

100nF

BC557

Q18

330K

R31

330K

R32

220k

R29

X8.

X7.

X1.

12K

R34

TIPL760A

X1.

330k

R36

PC521

C20

10uF/450V

BC557

100nF

C11

POT4

2K2

R47

R67

100k

X1.

10uF/25V

C17

OUT

COM

U13

7805

X1.

MPSA92

2K2

R40

8k2

R48

33K

R39

R75

X3.

POT1

500R

15K

R37

BZX79C5V6

D11

R35

12K

25uF/160V

BR2

WO6

X2.

1N4148

D12

33k

R41

D14

12V

X4.

1uF

C10

X4.

D13

4V3

OUT

LM358

(4=-12V, 8=12V)

OUT

(4=-12V, 8=12V)

8K2

R45

22K

R43

100k

R44

X4.

X6.

18K

R46

POT5

R49

8k2

R51

8k2

R52

POT2

OUT

LM358

(4=GND, 8=12V)

1N4148

D17

D16

12V

C14

10uF

X1.

R53

300k

GND

CLK

OUT

VCC

LMC555

R57

100R

R59

8k2

BC547

Q11

1N4148

D19

R58

8k2

NC1

NO1

NO2

NC2

RL4

M4-12H

BC547

Q12

10uF

C13

D15

4V3

8k2

R54

100K

R56

BC547

Q10

X6.

8k2

R55

10uF

C12

BC547

Q13

POT6

500R

8k2

R60

470R

R61

1N4007

D18

X6.

R62

OUT

LM358

(4=-12V, 8=12V)

U14

X7.

GND

CLK

OUT

VCC

LMC555

X6.

R65

X5.

R42

R64

2k2

R63

BC547

Q14

4700uF/16V

22uF

NC1

NO1

NO2

NC2

RL1

M4-12H

1N4007

X5.

1N4148

X5.

R21

ZTX658

X5.

X3.

X4.

R22

X3.

1N4148

X3.

GND

CLK

OUT

VCC

LMC555

1N4148

R69

8k2

1N4007

X3.

X2.

R19

100R

R20

5M6

100nF

12V

U11

PC521

POT3

50K

4.7nF

C45

R23

100R

10uF/16V

22k

R24

22k

R25

R66

100K

X6.

LP2

C15

100uF/50V

C16

100nF

BR4

WO6

X2.

1nF/1KV

C18

R50

100R

SW1

X2.

PC521

D22

1N4148

D20

1N4148

R68

100K

D21

1N4148

Q15

BC547

C24

4.7nF

C25

10uF

BC547

Q16

C26

10uF

R70

22k

C27

4.7nF

D23

4V3

100nF

C28

4.7nF

C29

D24

15V

Q17

BC557

R71

8k2

R72

8K2

C30

4.7nF

100nF

C40

4.7nF

C31

C32

4.7nF

X8.

ZTX658

X8.

22nF/630V

C33

4.7nF/1kV

C34

4.7nF/1kV

C35

1uF/160V

C36

1N4148

10nF

C41

10nF

C42

1N4148

D25

4.7nF

C39

100K

R73

4.7nF

C37

1M5

R74

2.2uF

C47

10nF

C51

10K

R76

100k

POT7

4.7nF

C49

4.7nF

C48

3M3

R38

22R

160K

4.7nF

C43

X9.

LP1

X9.

BC547

Q22

2K2

R84

300kR83

1N4148

D32

R85

68k

R86

1N4148

D33

4.7nF

C46

BC547

Q25

100nF

C50

4k7

R88

300K

R87

10nF

C23

100k

R91

4.7nF

C54

4.7nF

C53

8k2

R92

D29

1N4007

D29

POT8

12k

R90

4k7

R89

OUT

U12

(4=GND, 8=12V)

U14

22uF

C56

10nF

C52

10pF

C55

1N4148

D30

-12V

12V

GND

AMPC v.3F DEC2002

PTT2

IPTRIP2

TP2

T110-2

T110-1

EMTRON

300VAC2

300VAC1

12VP

READY

RLY2

RLY1

SWR/FLT

OD/TX

EG2

IG2F

FORWARD

IG2R

BIAS

RFIN

100VAC1

100VAC2

IPTRIP

SWR4

SWR3

SWR2

SWR1

ALC1

ALC2

O/DRIVE

TXON

SWR

FAULT

5V DISPLAY

PTT1

22VAC2

22VAC1

QSK2

QSK1

STBY2

STBY1

10VAC2

10VAC1

HLSW2

HLSW1

DISPLAY

REVERSE

DISPLAY

400

T10

T11

T12

T13

T15

T18

T14

T16

T17

T19

T20

Содержание DX-3

Страница 1: ...PERATING MANUAL EMTRON DX 3 HF LINEAR AMPLIFIER April 2005 Emtron DIVISION OF EMONA ELECTRONICS PTY LTD 92 94 Wentworth Avenue Sydney 2010 Australia Tel 612 92110988 Fax 612 92811508 www emtron com au...

Страница 2: ...TEST FREQUENCY BAND FACTORY SETTINGS 50 OHM LOAD USER SETTINGS ANTENNA PLATE LOAD PLATE LOAD 28 600 MHz 10m 24 900 MHz 12m 21 200 MHz 15m 18 100 MHz 17m 14 200 MHz 20m 10 125 MHz 30m 7 070 MHz 40m 3...

Страница 3: ...ORT VERSION 12 7 4 OPERATION AT 230V 220V 200V EXPORT VERSION 12 8 DX 3 DESCRIPTION 13 8 1 RF SECTION 13 8 2 MAINS TRANSFORMER 14 8 3 H V POWER SUPPLY 14 8 4 SOFT START MODULE 14 8 5 SENSOR MODULE 14...

Страница 4: ...PONENT LEGEND SILKSCREEN TOP 33 CONTROL BOARD SOLDER SIDE TRACK WORK 34 16 APPENDIX 2 WAVEFORMS 35 16 1 QSK OPTIONAL MODULE SWITCHING 35 16 2 LINEARITY 35 17 APPENDIX 3 ADJUSTMENTS 36 17 1 CONTROL BOA...

Страница 5: ...peration of the DX 3 is greatly simplified by the absence of meter switching mechanical display and front panel level setting controls The front panel moving LED display systems indicate simultaneousl...

Страница 6: ...emperature Sensor TANK COIL 40 160 m RF CHOKE TANK COIL 10 30 m RF SENSOR QSK SOFT START HIGH VOLTAGE POWER SUPPLY CONTROL BOARD SAFETY MICORSWITCH BLOWER BAND SWITCH BAND SELECTOR PLATE TUNING LOAD T...

Страница 7: ...or plate current should the plate current exceed a safe value the amplifier goes to standby mode for 2 minutes screen grid over current Absolute tube protection is offered with visual warning and a re...

Страница 8: ...high 465mm deep WEIGHT 18 kg 40 lb unpacked Transformer 25 kg 56 lb unpacked 3 UNPACKING The DX 3 is packed in a heavy duty package easily sufficient to protect the amplifier during transportation eve...

Страница 9: ...lips screwdriver Connect the 2 mains wires to the terminal block of the soft start module See picture Page 6 Put the cover back and the installation is complete 4 INSTALLATION ENVIRONMENT 4 1 Required...

Страница 10: ...k must be connected to transceiver or exciter relay contacts which are open on RECEIVE and closed on TRANSMIT The voltage at the PTT input is typically 28V loaded up to 35V unloaded with an impedance...

Страница 11: ...single LED yellow Turns on at the end of warm up period when the mains power to DX 3 is switched on It turns off for about 2 minutes if the plate current protection is triggered In this case the FAULT...

Страница 12: ...xport version As different countries have different standards for their power connections the DX 3 amplifiers exported from Australia are supplied with an un terminated power cable The green yellow wi...

Страница 13: ...itioned on a separate RF sub chassis All the connections to the tube except for the plate are under this sub chassis A 9 way heavy duty connector is used for the outside connections The fan blows air...

Страница 14: ...the forward and reverse power for measurement and display 8 6 Antenna relay QSK module Fitted as standard in DX 3 the antenna relay is a QSK module controlled by the transceiver via the control board...

Страница 15: ...adjusted to about 2 6 1 EBS the Electronic Bias Switch senses the presence of RF input power and turns on the bias to start transmission Factory adjusted for about 0 5W When the input power exceeds t...

Страница 16: ...PLATE knobs in the initial positions given in Table 1 DX 3 must be powered ON and Ready with the OPR STBY switch in OPR position Start with the transmitter at minimum power in a carrier mode e g RTTY...

Страница 17: ...nd LOAD can be used for final tuning with no need to repeat the preliminary tuning every time Tuning for full power Start with low drive level and the PLATE and LOAD knobs in the known initial positio...

Страница 18: ...ciple the SWR protection level in DX 3 is adjustable but it is far preferable for you to fix your antenna 10 2 ALC ADJUSTMENT The DX 3 can be operated without any ALC connection However if you wish to...

Страница 19: ...te current drastically minimising the tube dissipation Be aware that at a low power level slightly different tuning is required than is for full power Achieving the best linearity The amplifier must b...

Страница 20: ...e blows again or if the fuses were not blown in the first place contact your supplier 12 2 Fan not working As soon as you switch the power on you should notice two things about your DX 3 the display s...

Страница 21: ...he flashing will stop Then switch the power off and contact your supplier 12 7 Sparks Discharges in RF area Very high RF voltages are present in the amplifier during the operation at high power Incurs...

Страница 22: ...FM Frequency Modulation HF High Frequency HV High Voltage IEC International Electro technical Comission IMD Inter Modulation Distortion LED Light Emitting Diode PEP Peak Envelope Power RF Radio Freque...

Страница 23: ...L BOARD MODULE See Schematic RF SENSOR 5V FAULT ON AIR O DRIVE Vp Ip Ip Protec READY SW Ig2 Pf Pr SWR Protect RF OUT ANTENNA ANTENNA RELAY QSK See schematic Relay 1 2 RF IN TRANSCEIVER TEMPERATURE SEN...

Страница 24: ...F 6A100 6A100 1000pF 6A100 470uF 450V 75k 25R IP 1000pF 6A100 1000pF 6A100 1000pF 1000pF 6A100 330k 330k 330k 6A100 1000pF 6A100 75k 470uF 450V 6A100 6A100 6A100 75k 6A100 470uF 450V 6A100 470uF 450V...

Страница 25: ...GRY PNK BLK W BLK X O DRV BIAS READY RFIN HLSW HLSW VIOLET WHITE RED GRN BROWN GRN BRN GRN BRN ALC SWR2 SWR1 SWR4 SWR3 ALC2 PNK BLK Y BLK Y BLK Y RED Y RED GREEN T110 1 T110 2 GND GND 300VAC2 300VAC1...

Страница 26: ...rtWiring 1 SOFT START WIRING Standard version 1 1 Monday January 07 2002 Title Size Document Number Rev Date Sheet of 25A Yellow Green NEUTRAL 1 Brown Blue 4 7nF 250V Y2 Cover Interlock MT1 Brown Blue...

Страница 27: ...RLOCK Brown MT2 Blue MT1 200V Yellow Yellow Green 4 7nF 250Vac Y2 NEUTRAL 1 To LOOM 12V Blue Sof tStartWiring US 1 SOFT START WIRING U S Version A4 1 1 Monday January 07 2002 Title Size Document Numbe...

Страница 28: ...uF 25V SWITCH MT2 R8 470k 2W C3 2 2nF NOTE 200V to 240V operation R10 100k D2 1N4007 C4 220uF 25V For 110VAC replace C1 by 3 9k or 4 3k 6W resistor R7 470k 2W R9 10k E M T R O N C1 470nF 250Vac X2 C11...

Страница 29: ...ECK OUT E M T R O N RL1 Jenings TJ1A 26S D5 1N4004 RL2 Jenings TJ1A 26S R3 100 1W QSKV3DX3 3 QSKv3 DX 3 A4 1 1 Monday January 07 2002 Title Size Document Number Rev Date Sheet of RF DECK IN D3 1N4004...

Страница 30: ...3 10 NOTE L Pad version shown No L Pad R5 0 R7 50 CV1 500pF C10 22nF V1 GU78B Brown C8 1500p SM COAX R6 10 2W COAX D4 A106 EG2 MOV3 140V C6 22nF 700uH R5 12 5 50W D1 A106 C14 2200pF MOV1 140V White C9...

Страница 31: ...E RLO RHI REF A DJ V V REF O UT LE D1 LE D2 LE D3 LE D4 LE D5 LE D6 LE D7 LE D8 LE D9 LE D10 L74 G L10 Y X3 16 O D 1 U10 LM3914 5 9 4 6 8 3 2 7 10 11 12 13 14 15 16 17 18 1 SI G I N M OD E RLO RHI RE...

Страница 32: ...9 100R R20 5M6 C6 100nF D4 12V U11 PC521 POT3 50K 4 7nF C45 R23 100R C8 10uF 16V 22k R24 22k R25 R66 100K X6 LP2 C15 100uF 50V C16 100nF BR4 WO6 X2 1nF 1KV C18 R50 5K 1K 100R 1 2 3 SW1 X2 U9 PC521 D22...

Страница 33: ...2 R19 R20 R23 R24 R25 Q8 D28 D27 1 C23 U10 U9 U8 U6 BR3 1 C54 X3 R69 Q1 C15 R36 U4 D7 C9 R41 D25 C12 POT7 C20 1 C16 U1 C7 X2 X5 D1 RL1 Q7 D4 C36 R32 Q5 Q14 POT3 R50 Q9 D9 U11 Q25 R13 R12 D26 POT1 C1 1...

Страница 34: ...34 Control Board Solder Side Track work COPPER LAYER SOLDER SIDE AMPC V 3E...

Страница 35: ...tching The output relay Top trace switches first then the RF drive is applied Bottom trace 16 2Linearity V V a 1674mV b 1958mV 21Apr2003 18 36 Fig 5 Sample of linearity curve obtained on a DX 3 at 400...

Страница 36: ...l plate current as soon as PTT is on The transition to full on is then less abrupt while the tube dissipation is still reduced by using EBS PTT Off Ip 0 PTT On no drive and EBS on Ip Ipb pre bias curr...

Страница 37: ...n 130 ohm and 140 ohm With a 50 ohm output these 2 loads give an SWR of 2 6 1 and 2 8 1 respectively The adjustment is nominally for a ratio of 2 7 1 to trigger the protection in the form of antenna b...

Страница 38: ...nce gradually At 10 kohm the reading will be about 35 mA Continue reducing the resistance until the current reaches about 60 70 mA The screen voltage must drop to about 300 V or less under this load I...

Страница 39: ...39 Figure 6 BIAS SWR SCREEN VOLTAGE SCREEN CURRENT LIMIT Ip PROTECTION EBS SENSITIVITY EBS OFF EBS ON...

Страница 40: ...row on the display board Adjust potentiometer AMP for correct indication 17 2 2 PLATE VOLTATE Adjustment VR2 marked VOLT Using a voltmeter with a high voltage probe measure the plate voltage Adjust p...

Страница 41: ...2 5 SCREEN CURRENT Adjustment VR6 marked IG2 VR5 marked IG2 ig2 put VR5 in the middle position ig2 connect a mA meter in series with the screen supply between the control board pin EG2 and the blue sc...

Страница 42: ...res 100mV or less Adjust the trimmer on the output side left hand side in the RF sensor for minimum reading on the yellow red wires Use an RF screwdriver Reverse the 2 RF cables apply power to the out...

Результаты поиска

Содержание DX-3

Отзывы:

Похожие инструкции для DX-3

Бренды по названию

Популярные бренды

Emtron DX-3, Руководство по эксплуатации

Результаты поиска

Содержание DX-3

Отзывы:

Похожие инструкции для DX-3

Бренды по названию

Популярные бренды