Telwin TECNICA 114 Troubleshooting And Repair Manual Download Page 2 | Manualshive

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TECNICA 114

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BLOCK DIAGRAM

OPERATION AND WIRING DIAGRAMS

OPERATION AND WIRING DIAGRAMS

OPERATION AND WIRING DIAGRAMS

OPERATION AND WIRING DIAGRAMS

6

CURRENT

TRANSFORME

R

1

EMC

FIL

TER

7

POWER

TRANSFORME

R

19

CURRENT

POTENTIOMETER

22

GAL

V

ANIC

SEP

ARA

TION

11

ALIMENT

ATORE

FL

Y-

BACK

12

AUXILIAR

Y

POWER

SUPPL

Y

25

POWER

SUPPL

Y

LED

26

FA

N

15

DUTY

CYCLE

MAKER

16

ADDER

17

ALARM

BLOCK

2

PRE-CHARGE

3

RECTIFIER

BRIDGE

4

FIL

TER

5

CHOPPER

88

SECONDAR

Y

DIODE

9

INDUCT

ANCE

OUTPUT

14

PRIMAR

Y

CURRENT

READER

AND

LIMIT

ER

13

DRIVER

10

SECONDAR

YE

M

C

FIL

TER

INPUT

11

AUXILIAR

Y

POWER

SUPPL

Y

TRIGGE

R

18

ALARM

LED

23

t

OVERVOL

TAGE

SAFEGUARD

21

IGBT

THERMOST

AT

20

MAXIMUM

CURRENT

ADJUSTME

NT

24

UNDERVOL

TAGE

SAFEGUARD

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Summary of Contents for TECNICA 114

Page 1: ...nalysis of the block diagram 3 Illustrations 5 Wiring diagrams 6 Equipment required 9 General repair instructions 10 Troubleshooting and remedies 10 Testing the machine 13 Illustrations 15 TROUBLESHOO...

Page 2: ...ATION 11 ALIMENTATORE FLY BACK 12 AUXILIARY POWER SUPPLY 25 POWER SUPPLY LED 26 FAN 15 DUTY CYCLE MAKER 16 ADDER 17 ALARM BLOCK 2 PRE CHARGE 3 RECTIFIER BRIDGE 4 FILTER 5 CHOPPER 8 8 SECONDARY DIODE 9...

Page 3: ...8 EMC Filter Pre charge Rectifier bridge Filter Chopper Current transformer Power transformer Secondary diode Block 9 Block 10 Block 11 Block 12 Block 13 Block 14 Block 15 Block 16 Block 17 Inductance...

Page 4: ...rom the minimum to the maximum value Consisting of R70 R71 R72 R73 R74 Used to adjust the maximum cutting current to be supplied by the power source Consisting of ST1 When the temperature of the IGBT...

Page 5: ...6 CURRENT TRANSFORMER 4 FILTER 1 EMC FILTER 5 CHOPPER 7 POWER TRANSFORMER 10 SECONDARY EMC FILTER 8 SECONDARY DIODE 2 PRE CHARGE 25 POWER SUPPLY LED 18 ALARM LED 9 INDUCTANCE 12 AUXILIARY POWER SUPPLY...

Page 6: ...S General wiring diagram POWER PCB 100 115V OR 230V ON L Y MODELS WITH POWER SUPPLY CHANGE J4 J4 J4 J4 J7 J7 230V 230V 115V 115V P4 P4 PE L1 N L2 V1 Fan V1 Fan J1 J1 J2 J2 OUT OUT J3 J3 OUT OUT 5 4 1...

Page 7: ...7 TECNICA 114 Wiring diagram power board power supply...

Page 8: ...7 18V 0W 4 5 R 56 120R 0805 5 R 56 120R 0805 5 12 13 14 4 11 U 2D LM 324 U 2D LM 324 R 49 1K 1206 5 R 49 1K 1206 5 D 26 B YG20G D 26 B YG20G R 38 2K 2 0805 5 R 38 2K 2 0805 5 D 30 18V 0W 4 5 D 30 18V...

Page 9: ...instruments with codes can be supplied by Telwin The sale price is available on request ESSENTIAL INSTRUMENTS USEFUL INSTRUMENTS 1 Dual trace oscilloscope cod 802401 2 Static load generator cod 802110...

Page 10: ...boards when the machine is live Every operation should be carried out in complete safety with the power supply cable disconnected from the mains outlet and should only by done by expert or skilled ele...

Page 11: ...ator diodes and the other in sequence on the two power transformer outlets B With the multimeter set in ohm mode check the following components resistor R2 47ohm pre charge resistors R3 R4 22ohm prima...

Page 12: ...s and is not caused by a fault in the control board there could be a fault in the opto coupler ISO1 Power the power source at the rated voltage of 115Vac In this case the tests are exactly the same as...

Page 13: ...spring should be inserted by pressure on the dissipator in order to lock the component place the dissipator with the new component on the bump contacts of the PCB and attach it with the screws torque...

Page 14: ...he OUT and OUT bump contacts set up the ohmic load with the switch settings as in the table in switch on at the main switch on the front panel turn the current potentiometer to maximum turn clockwise...

Page 15: ...POTENTIOMETER ALARM LED SCREWS FASTENING FRONT PANEL SCREWS FASTENING BACK PANEL SCREWS FASTENING HANDLE DINSE SOCKET ILLUSTRATIONS POWER TRANSFORMER SECONDARY DISSIPATORS POWER SUPPLY INTERRUPTOR FAN...

Page 16: ...ST1 TECNICA 114 BUMPCONTACTS THERMOSTAT ST1 RHEOFORES Q1 SCREWS FASTENING DINSE SOCKETS IGBT DISSIPATOR SCREWS FASTENING Q1 SECONDARY DISSIPATOR SCREWS FASTENING BUMP CONTACTS FAN V1 V1 RHEOFORES D22...

Page 17: ...spare parts without any reference pls specify model brand and voltage of machine list reference number of the item registration number Wenn Sie einen Ersatzteil der ohne Artikel Nummer ist benoetigen...

Page 18: ...atore Condensateur Capacitor Kondensator Condensador Igbt Igbt Igbt Igbt Igbt Rele Relais Relais Relais Relais Diodo Diode Diode Diode Diodo Resistenza Resistance Resistor Widerstand Resistencia 1 2 3...

Page 19: ...ly From mains without extension From mains with extension m Mechanichal stresses the machine has undergone to cription Des Dirty grade Dirty inside the machine Description Rectifier bridge Electrolyti...

Page 20: ...TELWIN S p A Via della Tecnica 3 36030 VILLAVERLA Vicenza Italy Tel 39 0445 858811 Fax 39 0445 858800 858801 E mail telwin telwin com http www telwin com...

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