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VELLEMAN KIT NV

Legen Heirweg 33

9890 Gavere

Belgium Europe

Info ?: http://www.velleman.be

Modifications and typographical errors reserved
© Velleman Kit nv
H8081IP - 2007 - ED1 (rev.2.0)

5 4 1 0 3 2 9 3 6 0 0 5 4

Содержание POWER BLOCK K8081

Страница 1: ...otal solder points 383 Difficulty level beginner 1 2 3 4 5 advanced POWERBLOCK POWER AMPLIFIER ILLUSTRATED ASSEMBLY MANUAL H8081IP 1 This amplifier is an ideal set up for active speaker use K8081 K808...

Страница 2: ......

Страница 3: ...n using Epitaxial Darlington transistors includes all connectors transformer and enclosure overload and short circuit protection DC error protection with LED indication automatic switch on upon input...

Страница 4: ...gonal cutter to trim excess wires To avoid injury when cutting excess leads hold the lead so they cannot fly towards the eyes Needle nose pliers for bending leads or to hold compo nents in place Small...

Страница 5: ...manual updates indicated as NOTE on a separate leaflet 1 3 Soldering Hints 1 Mount the component against the PCB sur face and carefully solder the leads 2 Make sure the solder joints are cone shaped a...

Страница 6: ...1K 1 0 2 B R20 220 2 2 1 B R21 470 4 7 1 B R22 470K 4 7 4 B R23 100K 1 0 4 B R24 1K 1 0 2 B R25 1M 1 0 5 B R26 470K 4 7 4 B R27 100 1 0 1 B R28 15K 1 5 3 B R29 470K 4 7 4 B R30 100K 1 0 4 B R31 47K 4...

Страница 7: ...wards diode D11 Make sure that the transistor and diode leads do not touch each other C1 47pF 47 C2 47pF 47 C3 1nF 102 C4 680pF 680 C5 680pF 680 C6 10nF 103 C7 10nF 103 C8 47nF 473 C9 100nF 104 C10 10...

Страница 8: ...Male board wire connector LD1 yellow standby LD2 Blue on LD3 red check CATHODE IMPORTANT Mount these LED s exactly like in the drawing otherwise some LED s will not fit correctly in the front panel C1...

Страница 9: ...ower diodes check the polarity CATHODE D RY1 VR5V242C 24VDC 5A 2C 16 Relay C23 3300 F 50V C24 3300 F 50V 17 Electrolytic capacitors Watch the polarity C Mount all 4 brackets fasten them using 6mm M3 b...

Страница 10: ...LY OF THE UNIT Assembly cut all connections to 1 5mm Make sure that the solder connections don t touch the housing 1 fix rubber foot in center of PCB 2 Use the colour pictures on packaging as guidelin...

Страница 11: ...11 3 slide the PCB into the heatsink 4 fix the PCB using 4 bolts nut fix the 4 nuts inside Assembly...

Страница 12: ...12 Assembly 5 bend C4 away from T9 bend C5 away from T8...

Страница 13: ...13 6 apply some heat conductive silicone grease to tran sistor and diode 7 place the M3 bolt for T8 and T9 mount the isolator to heatsink apply grease to both sides Assembly M3 bolt isolator...

Страница 14: ...14 8 bend the leads for T8 TIP142 and T9 TIP147 like in the photograph 9 lock washer 6mm M3 nut position the transistors T8 TIP142 and T9 TIP147 and fix using lock washer and 6mm M3 nut Assembly...

Страница 15: ...nections carefully check by trying to move the leads after soldering prepare the speaker output cables red black one side with terminal cover other side with eyelet connector 11 Remove the isolation s...

Страница 16: ...16 mount all connectors and fuse check position of speaker connector and switch holder to the rear panel 12 position the fuse holder exactly like in the picture 13 Assembly rear panel inside view...

Страница 17: ...17 Assembly 15 Twist the connector wire 14 align the RCA mounting nut solder the 2 wire connector cable to the RCA brown signal ground red signal r e d b r o w n...

Страница 18: ...18 16 connect the speaker wires exactly like in the picture red wire Assembly insert 2 A slow blow fuse 17 18 cut 3 pcs of 3cm from the shrink tube 3cm 3cm 3cm...

Страница 19: ...ink tube over the transformer mains connections black wire brown wire 100 120VAC or the orange wire 220 245VAC connect the black wire to the power switch connect the orange 230VAC or brown 115VAC wire...

Страница 20: ...20 22 isolate the not used transformer wire using a piece of tape Assembly 23 shrink the tube using heater or hair dryer...

Страница 21: ...21 24 apply glue to the transformer protector 25 position the protector like in the drawing Assembly solder terminal cover to the 4 transformer wires 26...

Страница 22: ...22 Assembly position the rear panel and the transformer 27 fix the rear panel use 4 self tapping screws...

Страница 23: ...23 29 connect the AC connectors RED BLUE GREY and YELLOW Assembly 28 connect the input signal connector...

Страница 24: ...24 Assembly 30 connect the speaker LS red and LS black wires LS black LS red 31 check the wire styling and apply straps...

Страница 25: ...25 Assembly stick the isolator foil to the transformer 33 32 position the transformer insulation rubber...

Страница 26: ...ins volt age and check all your wiring and assembly The power LED LD4 should lit If the 60W lamp remains off or lights up briefly then everything is OK Remove the light bulb from the circuit Recheck c...

Страница 27: ...40V test point with the TEST pin The RED check LED should BLINK and the relay should switch off 3 DC error detection test Turn off the AC power The amplifier is now ready for use Test 40V test voltag...

Страница 28: ...28 4 mount the front panel fix the front panel use 4 self tapping screws check the position of the LEDs 5 mount the transformer positioning plate 6 Test...

Страница 29: ...29 Test 7 position 4 spacer nuts Check that the fixation bolt does not make contact with the wires...

Страница 30: ...30 mount the bottom panel using 4 hexagonal bolts and fix in each corner a rubber foot 8 Test rubber foot hexagonal bolt...

Страница 31: ...sed to use 4 ohm speakers for maximum output power Connect mains voltage Turning ON Turn on the amplifier using the mains switch The amplifier will stay on for about 15 minutes ON LED is LIT If the in...

Страница 32: ...uring ON 2 Blinks fast if error detected the amplifier is turned OFF If an amplifier error is detected this can be due to extreme loud sound or due to an amplifier error Reset the amplifier by turning...

Страница 33: ...33 PCB 23 PCB...

Страница 34: ...34 24 Schematic diagram Schematic diagram R42 0 47 R42 0 47...

Страница 35: ......

Страница 36: ...VELLEMAN KIT NV Legen Heirweg 33 9890 Gavere Belgium Europe Info http www velleman be Modifications and typographical errors reserved Velleman Kit nv H8081IP 2007 ED1 rev 2 0 5 4 1 0 3 2 9 3 6 0 0 5 4...

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