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WordClock-4 Assembly Guide 05/15/21 Version 0.8 
 
 

 

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Summary of Contents for WordClock 4-6

Page 1: ...0 8 Page 1 WordClock 4 6 and WordClock 4 8 Assembly Guide 6 and 8 Tube B7971 Version Contents Introduction 2 Assembly 2 Case 2 Step 1 Build the Main Board 3 Step 2 Final Assembly 5 Bill of Materials 6 Schematic 8 Warranty Terms and Conditions 10 ...

Page 2: ...not been attempted SIX OR EIGHT B7971 TUBES ARE REQUIRED AND NOT INCLUDED IN THIS KIT Assembly WARNINGS DRILL HOLES IN THE CASE BASE FIRST USE THE CIRCUIT BOARD AS A TEMPLATE DO NOT SOLDER THE MICROCONTROLLER DIRECTLY TO THE BOARD USE HEADERS USE A GOOD QUALITY UL LISTED 12V POWER SUPPLY Case If you purchased the optional acrylic case this would be a good time to mark and drill the holes in the ba...

Page 3: ... board Build the 5v supply on the main board Install J1 F1 C1 C2 C3 D1 D2 L1 and U1 Note that C1 C2 D1 and D2 must be installed in the direction noted on the board Connect a 12V 18V power supply with a center positive 2 1mm connector to J1 and check the test point for 5V Do not continue assembly if 5V is not present at the test point Build the high voltage supplies Install R1 R2 R6 R7 R33 R34 NE8 ...

Page 4: ...small amount of solder to one of the corner pads on the board Then quickly and carefully solder the corresponding pin to the pad Check the alignment of all pins and if correct solder the opposite corner pin Check the alignment again then solder the remaining pins quickly and carefully Always use a magnifier to check for solder bridges and bad solder joints The HV5530s are very difficult to solder ...

Page 5: ... jumper has been removed Install the microcontroller board correctly orienting the USB connector and antenna with the markings on the board Install the SD Card Install six 10mm standoffs into the holes on the bottom of the main board using six screws or 8 for the 8 tube version This completes WordClock 4 assembly Refer to the User Manual for setup and operation instructions ...

Page 6: ... J3 1 SD Card Connector DM1AA SF PEJ SD card jack J4 1 Header Not Used L1 1 Inductor 100uh LED1 LED12 12 16 RGB LED APA102 PZ1 1 Buzzer Buzzer Q2 1 Sensor TEPT4400 Light sensor R1 1 Resistor 7 5k watt 8 Tube Board only R3 R4 R7 R19 R20 5 Resistor 10k watt Brown black orange gold or brown black black red gold R2 R33 2 Resistor 270k watt Red violet yellow gold or red violet black orange gold R5 R8 2...

Page 7: ... Resistor 270k 274 Surface mount 1210 1206 6 Digit only SW1 SW2 2 Button 90 Degree pushbutton U1 1 IC CD4504 U2 1 IC LM2576 U3 1 IC 74HC14D 8 Digit clock only U4 1 IC 74AHC125D 6 Digit clock only U5 1 Microcontroller ESP32 PICO KIT Programmed with WordClock firmware 1 Header Strip Cut into two to mount U5 HV1 HV3 3 IC HV5530PGG G HV4 1 IC HV5530PGG G 8 Digit clock only 6 8 Screw M3 8mm 6 8 Standof...

Page 8: ...y TaylorEdge 1363 low noise One may be used for 6 digit clocks but two are recommended Two are required for 8 digit clocks NE1 NE4 NE7 NE8 6 Neon Bulb 6 Digit clock only 2 Brass tube 1 5mm x 90mm 6 Digit clock only 2 Brass tube 1 5mm x 50mm 6 Digit clock only 6 8 Acrylic diffusers ...

Page 9: ...WordClock 4 Assembly Guide 05 15 21 Version 0 8 Page 9 Schematic ...

Page 10: ...WordClock 4 Assembly Guide 05 15 21 Version 0 8 Page 10 ...

Page 11: ...WordClock 4 Assembly Guide 05 15 21 Version 0 8 Page 11 ...

Page 12: ...th in these terms and conditions StocksClocks sole obligation will be at its election to repair or replace the kit part in question We may require return of the part for examination and replacement Replacement will be completed at the sole discretion of StocksClocks after examining the returned part Correct assembly is the responsibility of the builder StocksClocks MAKES NO OTHER WARRANTIES EXPRES...

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