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Sony 4-534-391-03 is an insulating sheet (ST1) replacement part intended to provide electrical insulation within compatible Sony consumer electronics. It is listed as a genuine Sony replacement for model DSC-RX100M3 and carries alternate part number 453439103. The sheet separates and insulates electronic assemblies to reduce risk of short circuits and unintended electrical contact. Sold as a single replacement component for camera repair and internal assembly maintenance.
Insulating sheet (ST1) replacement for DSC-RX100M3, Sony part 4-534-391-03 (alt 453439103).
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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