Name: DR #70 - It Lives Again - Proton D1200 Repair & Testing | Videos | Gan Jing World - Technology for Humanity | Video & Movie Streaming
Uploaded: 2025-09-18T15:13:41.203Z
Duration: 8 min 13 s
Description: In this video, I document the repair and testing of a Proton D1200 amplifier. Specifically, an event... | Videos | Gan Jing World - Technology for Humanity | Video & Movie Streaming

Duality Repair

https://video1-us-east.cloudokyo.cloud/video/v13/8e/95/4b/8e954bc2-c9b5-4206-997a-0ae9f7faf8c6/master.m3u8

In this video, I document the repair and testing of a Proton D1200 amplifier. Specifically, an event caused several components in the right channel to fail, some catastrophically. After identifying, ordering, and installing suitable replacements, this family heirloom is ready to play again.

Parts Used:

Q620, Q624, Q628, Q632 - 2SC5200N(S1ES)-ND
Q622, Q626, Q630, Q634 - 2SA1943N(S1ES)-ND
Q612 - TTC004BQ-ND
Q616 - MJE15032GOS-ND
Q618 - MJE15033GOS-ND
R640 - 56-PR01000107500JR500CT-ND
VR603, VR604 - 3296Y-1-102LF