01 — Board Identification

Board Identification

Device: Amazon Fire TV Stick — 2nd Generation
Internal Model: LY73PR
FCC ID: 2AE6S-0948
Filed Under: Vlado L.L.C. (Amazon shell entity for FCC filings)

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Readable Markings

Field	Value	Location	Confidence
Board Model	MB-18M	Silkscreen, bottom side near USB edge	CONFIRMED
Manufacturer Code	MDK	Silkscreen, bottom side	CONFIRMED
Date Code	1620	Silkscreen, bottom side	CONFIRMED
UL Rating	94V-0	Silkscreen, bottom side	CONFIRMED
Revision/Lot	09-09	Silkscreen, bottom side	CONFIRMED
Shield Label	TA	Top of upper EMI shield, top side	CONFIRMED
Component Ref	J450	Near Micro-USB connector, bottom side	CONFIRMED
Component Ref	U952	IC designator, bottom side exposed area	CONFIRMED
Component Ref	S900, S950	Bottom side exposed area	CONFIRMED
Component Ref	S02	Bottom side near passives	CONFIRMED
Component Ref	L700	Inductor, near USB, bottom	CONFIRMED
Serial/Batch	P4N14M010155630W	White QR label, bottom of board	CONFIRMED

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Date Code Interpretation

1620 → Year 2016, Manufacturing Week 20 (approximately May 16–20, 2016)

This is consistent with the product's FCC approval date of September 14, 2017
(revision/refresh cycle — original hardware manufactured earlier for testing).

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PCB Physical Description

• Color: Green FR4 substrate
• Solder mask: Green both sides
• Silkscreen: White both sides
• Dimensions: ~95mm × 31mm (matches published 3.75" = 95.3mm length)
• Layer count: Estimated 4–6 layers (typical for this class; via density suggests 4L minimum)
• Finish: HASL or ENIG (reflective pads suggest ENIG likely)
• UL rating: 94V-0 (self-extinguishing, standard for consumer electronics)
• EMI shields: Three tin-alloy EMI cans present — two on top, one partial on top near HDMI
• "TA" shield: Upper shield on top side, labeled — covers RF/antenna module (BCM43569 area)

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FCC Filing Reference

• FCC ID: 2AE6S-0948
• Grantee: 2AE6S (Vlado L.L.C. — Amazon shell)
• Filing date: September 14, 2017
• FCC URL: https://fcc.report/FCC-ID/2AE6S-0948
• Note: Confidentiality request kept internal photos and schematics off public record during initial filing period. Some exhibits available at fccid.io/2AE6S-0948

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Manufacturer Notes

MDK is consistent with MediaTek Design Kit — indicating this board was designed
around a MediaTek reference platform (MT8127D / MT8127A). MediaTek provides OEM/ODM
reference designs under this designation. The actual PCB manufacturer is not identified
from visible markings.

Authored: Albert Lane + Claude Sonnet 4.6 · SovereignAudits™ · 2026-06-10