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Total solder points: 239
Skill level :
Beginner 1o 2o 3þ 4o 5o Advanced
ELECTRONIC RECORD/PLAYBACK MODULE
Features:
þ Excellent sound quality to greet visitors, play pranks, warn
burglars, ...
þ Microphone included
þ 12 to 20 seconds of recording time per module
þ No memory loss in case of power failure
þ Loudspeaker output
þ Daisy-chain up to five units for extended recording time
þ Add an optional rotary switch for message selection
Specifications :
þ 8 ohm speaker output
þ Power supply : 9-12VAC or 6VDC (4 x AAA battery, battery-
holder included)
þ 15µA standby power consumption
þ Optional rotary switch : 8404-1C
modifications reserved
ILLUSTRATED MANUAL
K4400
H4400P-ED1
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Summary of Contents for Velleman K4400
- Page 1 Total solder points: 239 Skill level : Beginner 1o 2o 3þ 4o 5o Advanced ELECTRONIC RECORD/PLAYBACK MODULE K4400 Features: þ Excellent sound quality to greet visitors, play pranks, warn burglars, … þ Microphone included þ 12 to 20 seconds of recording time per module þ...
- Page 2 COLOR= 2… 5 4K7= ( 4 - 7 - 2 - B ) 4K7= ( 4 - 7 - 0 - 1 - 1 ) COLOUR CODIFI- KLEUR CODICE CODIGO CODIGO VÄRI FÄRG FARVE FARGE FARB CODE CATION KODE SCHEMA DE COL- COLORE KOODI...
- Page 3 __________________________________________________________________________________________________________________________________________________________ 1. Assembly (Skipping this can lead to troubles ! ) Ok, so we have your attention. These hints will help you to make this project successful. Read them carefully. 1.1 Make sure you have the right tools: • A good quality soldering iron (25-40W) with a small tip.
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Page 4: Wire Jumpers
_______________________________________________________________________________________________________________________________________________________ q R6 : 10K (1 - 0 - 3 - B) AXIAL COMPONENTS ARE q R7 : 10K (1 - 0 - 3 - B) TAPED IN THE CORRECT q R8 : 10K (1 - 0 - 3 - B) MOUNTING SEQUENCE ! q R9 : 47K (4 - 7 - 3 - B) q R10 : 47K (4 - 7 - 3 - B) - Page 5 __________________________________________________________________________________________________________________________________________________________ 3. DIODES (Watch the polarity !) 5. LEDs (Watch the polarity !) D... LD... CATHODE CATHODE q D1 : 1N4148 q D2 : 1N4148 q D3 : 1N4148 q LD1 : 5mm LED q D4 : 1N4148 q LD2 : 5mm LED q D5 : 1N4148 q D6 : 1N4148 6.
- Page 6 _______________________________________________________________________________________________________________________________________________________ 7. ELECTROLYTIC CAPACITORS 9. VOLTAGE REGULATOR (Watch the polarity!) VR... C... q C15 : 4.7µF q VR1 : 7806 q C16 : 47µF q C17 : 47µF 10. PCB PINS q C18 : 47µF q C19 : 47µF q C20 : 1000µF 8.
- Page 7 __________________________________________________________________________________________________________________________________________________________ 12. SWITCH 13. IC (Watch the position of the notch!) q IC1 : ISD1012…ISD1020 or eq. q SW2 : 1P ON / OFF 14. POWER SUPPLY : MAINS OR BATTERIES FUSEHOLDER POWER SWITCH 240V 3A FUSE 1A T MAINS TRANSFORMER 9...12VAC STRAIN RELIEF...
- Page 8 _______________________________________________________________________________________________________________________________________________________ 16. CHOOSE POWER SUPPLY Single unit with microphone and speaker, transformer operated mount these wire jumpers transformer to auto-repeat message, mount this switch electret microphone speaker Single unit with microphone and speaker, battery operated 4x AAA battery mount these wire jumpers to auto-repeat message, mount this switch speaker electret microphone...
- Page 9 __________________________________________________________________________________________________________________________________________________________ 17. CHOOSE INPUT AND OUTPUT DEVICE Single unit with line input and speaker output mount these wire jumpers speaker Line input with 10K log level adjust Single unit with microphone input and line output mount these wire jumpers electret microphone Line output with 4K7 log level adjust...
- Page 10 _______________________________________________________________________________________________________________________________________________________ 18. CASCADE OPERATION OF MULTIPLE UNITS FOR EXTENDED RE- CORDING TIME mount these wire jumpers mount this wire jumper mount these wire jumpers...
- Page 11 __________________________________________________________________________________________________________________________________________________________ 19. MOUNT AN OPTIONAL ROTARY SWITCH TO ALLOW MESSAGE SELECTION WITH A SINGLE UNIT Rotary switch 8404-1C...
- Page 12 _______________________________________________________________________________________________________________________________________________________ 20. HOOK-UP AND USE Power supply : • Batteries : 4 x 1.5V AAA (use included battery holder) Idle power consumption : 15µA max. Record power consuption : 26mA Playback : 50mA max. • Transformer : secundary : 9 to 12VAC Idle power consumption : 7mA Record power consumption : 40mA Playback : 75mA max.
- Page 13 __________________________________________________________________________________________________________________________________________________________ • Line output : A line level signal is available between SP+ and GND How to record a message : • Put SW1 in the position ‘RECORD’ • LD1 lights • Press SW2 to record • Releasing SW2 will end the recording session •...
- Page 14 _______________________________________________________________________________________________________________________________________________________ 22. DIAGRAM...
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