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Atari Lynx 1 & 2 MOSFET Regulator Rebuild Kit
2019 Update: Kits are now compatible with either Lynx 1 or 2. Kits include zener diodes for both through-hole (Lynx 1) or surface mount (Lynx 2) usage.
These kits contain replacements for the common failure points in the Lynx power supply circuit. Surface mount tools recommended for installation!
New Zener diode
MOSFET IC – the usual culprit for no-power-on conditions
Two 3906 transistors – another culprit for no-power-on conditions
Power jack – these have internal switches that can fail, causing a Lynx to work on battery or DC power only
Lynx 1 component locations:
ZD1: Zener diode (uses through-hole type diode)
Q4, Q13: 3906 transistors
R56: 30 Ohm replacement resistor, not needed for all Lynx units. This increases regulator circuit voltage slightly for picky Lynx units that need a few more tenths of a volt to work.
Lynx 2 component locations:
D13: Zener diode (uses surface mount diode, installed with stripe towards R74 / TP19)
Q7, Q8: 3906 transistors
R74: 30 Ohm replacement resistor, not needed for all Lynx units. This increases regulator circuit voltage slightly for picky Lynx units that need a few more tenths of a volt to work.
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