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Front Don't put R8 so close to R26 -- D36/R47 too close Testing before powering up: Clock In Normal - 1k to U2-8 (AND NOT short to U2-10 - Clock rate (B100k) (not sure yet which 2 pins LED_Oval, Oval, Oval size 5.2x3.8mm^2 2 pins diameter 1.8mm size 1.8x2.4mm^2 z-position of LED center 1.6mm, 2 pins LED diameter 5.0mm 3 pins diameter 5.0mm z-position of LED center 1.6mm, 2 pins, http://www.kingbright.com/attachments/file/psearch/000/00/00/L-43GD(Ver.12B).pdf LED diameter 5.0mm z-position of LED center 9.0mm 2 pins diameter 3.0mm z-position of LED center 2.0mm 2 pins LED diameter 3.0mm z-position of LED center 6.0mm 2 pins diameter 5.0mm z-position of LED center 6.0mm, 2 pins THT ceramic resonator filter CSTLSxxxG Ceramic Resomator/Filter Murata SFSKA, http://cdn-reichelt.de/documents/datenblatt/B400/SFECV-107.pdf, 7.9x3.8mm^2 package SMD Crystal SERIES SMD2520/2 http://www.icbase.com/File/PDF/HKC/HKC00061008.pdf, 5.0x3.2mm^2 package Miniature Crystal Clock Oscillator TXCO Fordahl DFA S15-OV/UOV, http://www.iqdfrequencyproducts.com/products/details/iqxo-70-11-30.pdf, 5.0x3.2mm^2 package SMD Crystal MicroCrystal CM9V-T1A series http://www.microcrystal.com/images/_Product-Documentation/01_TF_ceramic_Packages/01_Datasheet/CM9V-T1A.pdf, hand-soldering, 1.6x1.0mm^2 package SMD Watch Crystal MicroCrystal CM9V-T1A series http://www.microcrystal.com/images/_Product-Documentation/01_TF_ceramic_Packages/01_Datasheet/CM9V-T1A.pdf, hand-soldering, 1.6x1.0mm^2 package SMD Crystal Seiko Epson MC-406 https://support.epson.biz/td/api/doc_check.php?dl=brief_MC-306_en.pdf, hand-soldering, 9.6x4.1mm^2 package SMD Watch Crystal MicroCrystal CC5V-T1A series http://cdn-reichelt.de/documents/datenblatt/B400/CC5V-T1A.pdf, 4.1x1.5mm^2 package SMD Crystal Oscillator IDT https://www.idt.com/document/dst/xu-family-datasheet#page=15, 5.0x3.2mm SMD Crystal Oscillator Seiko Epson SG-8002JA https://support.epson.biz/td/api/doc_check.php?mode=dl⟨=en&Parts=SG-8002DC, 14.0x8.7mm^2 package SMD Crystal Seiko Epson MC-506 http://media.digikey.com/pdf/Data%20Sheets/Epson%20PDFs/MA-505,506.pdf, 11.7x4.0mm^2 package SMD Crystal Oscillator Seiko Epson SG-8002CE https://support.epson.biz/td/api/doc_check.php?mode=dl⟨=en&Parts=SG-8002DC, hand-soldering, 3.2x2.5mm^2 package crystal Epson Toyocom FA-128 (https://support.epson.biz/td/api/doc_check.php?dl=brief_FA-128&lang=en), 2x1.6mm^2 package Diode MicroSMP (DO-219AD), large-pad anode, https://www.vishay.com/docs/89457/msmp6a.pdf Infineon SG-WLL-2-3, 0.58x0.28x0.15mm, https://www.infineon.com/dgdl/Infineon-SG-WLL-2-3_SPO_PDF-Package-v02_00-EN.pdf?fileId=5546d46271bf4f9201723159ce71239d SOD962-2 silicon, leadless ultra small package.

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