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Related Manuals for SECO-LARM SK3133-PPQ
Summary of Contents for SECO-LARM SK3133-PPQ
- Page 1 THE SERVICE MANUAL SK3133-PPQ VERSION: 180924_V1...
- Page 2 TABLE OF CONTENTS CIRCUIT ····················································································································································· 3 BLOCK DIAGRAM ····································································································································· 4 THE DESCRIPTION ······························································································································ 5-8 THE PCB LAYOUTS – Top & Bottom Sides ····························································································· 9 THE SILK SCREENS – Top & Bottom Sides ··························································································· 10...
- Page 3 CIRCUIT THE SILK SCREENS – TOP & BOTTOM SIDES Top side silk screen Bottom side silk screen...
- Page 4 THE PCB LAYOUTS – TOP & BOTTOM SIDES BLOCK DIAGRAM Top side circuit diagram Bottom side circuit diagram...
- Page 5 1 Inhibit of second keypad if needed so that if INT. LOCK Description of the Block Diagram – SK3133-PPQ one keypad is used to open door Output 1, the The key functions of the keypad are prepared with the software that programmed in the MCU. It other is temporarily disabled.
- Page 6 POWER SUPPLY Connec�on Terminals Terminals No. Terminal Name Descrip�on SWITCHING POWER SUPPLY The XL1509 is a 150 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of Output 3 Relay N.C. driving a 2A load with high efficiency, low ripple and excellent line and load regulation. Referring to schematic diagram figure 1, input voltage range from DC12V to DC24V step down to Ouput 3, N.C./COM/N.O.
- Page 7 FCC STATEMENT 1. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. 2.