SPEAKER PROTECTION KIT
K4700
ILLUSTRATED ASSEMBLY MANUAL
H4700IP-1
Total solder points: 163 Difficulty level:
beginner
1
2
3
4
5
advanced
Protect
s your
preciou
s speak
ers aga
inst
switch-
on click
s and D
C curre
nt.
Page 1: ...KER PROTECTION KIT K4700 ILLUSTRATED ASSEMBLY MANUAL H4700IP 1 Total solder points 163 Difficulty level beginner 1 2 3 4 5 advanced Protects your precious speakers against switch on clicks and DC curr...
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Page 3: ...amplifier Suitable for Amplifiers with symmetrical power supply Amplifiers with asymmetrical power supply Specifications Switch delay 6 seconds DC protection 1V 1V Max input voltage 200Vpp DC Max swit...
Page 4: ...he eyes Needle nose pliers for bending leads or to hold components in place Small blade and Phillips screwdrivers A basic range is fine For some projects a basic multi meter is required or might be ha...
Page 5: ...the solder joints are cone shaped and shiny 3 Trim excess leads as close as possible to the solder joint REMOVE THEM FROM THE TAPE ONE AT A TIME AXIAL COMPONENTS ARE TAPED IN THE CORRECT MOUNTING SEQ...
Page 6: ...des Watch the polarity D CATHO DE ZD1 CATHODE ZD1 6V8 2 Zenerdiode Watch the polarity D11 1N4007 D12 1N4007 D13 1N4007 D14 1N4007 3 Diodes Watch the polarity D CATHODE R8 330K 3 3 4 B R9 330K 3 3 4 B...
Page 7: ...100 F C8 100 F C9 100 F C10 100 F C11 220 F C12 470 F C13 470 F 10 Electrolytic Capacitor Watch the polarity C If the amplifier to which the module is to be connected has a simple power supply asymme...
Page 8: ...connecting broad leads with solder 12 Relays RY Transfo 1 2VA 2 x 6V 2 x 0 1A 13 Transformer TRANSFORMER 6 0 6 N L IC1 LM324 14 IC Watch the position of the notch CHECK THE ENTIRE MODULE PROFOUNDLY O...
Page 9: ...he relais switching Testing the Left channel Connect the point PA of the left channel to the point V figure 1 0 the red LED ERROR should now be lightening together with the yellow LED WAIT When the co...
Page 10: ...ing together with the yellow LED WAIT When the connection is interrupted again figure 4 0 the red LED should extinguish and after approx 6 sec the yellow LED as well Repeat this testing procedure by c...
Page 11: ...ealise the following connections Install a switch between the points V and MAN when the switch is shut the speakers will be disconnected permanently when opening the switch again after approx 6 sec th...
Page 12: ...NS OUTPUT RIGHT OUTPUT LEFT INPUT LEFT POWER SUPPLY PA LS PA LS LEFT RIGHT MAINS P4700 STEREO POWER AMPLIFIER ON OFF INPUT MAINS OUTPUT OUTPUT POWER SUPPLY PA LS PA LS LEFT RIGHT MAINS P4700 BRIDGE PO...
Page 13: ...13 17 PCB layout PCB...
Page 14: ...14 Diagram 18 Diagram...
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Page 16: ...and typographical errors reserved Velleman Components nv H4700IP 2004 ED1 rev 1 0 VELLEMAN Components NV Legen Heirweg 33 9890 Gavere Belgium Europe www velleman be www velleman kit com 5 4 1 0 3 2 9...