We got FX-AUDIO YD-202J junk product that was returned as defective and challenged to repair it.
When I disassembled it, the base and IC were burnt.
This time, I analyzed by going over the circuit diagram and IC data sheet.
I put tools and filling-in information on Twitter.
https://twitter.com/i/events/1223536321005670400
BGM
YouTube Audio Library
#NFJ #FX-AUDIO #Junk #Repair
0:08 Opening
0:40 Exterior Check
1:23 Movement Check
4:20 Cable Fabrication
7:14 Initiation of disassemble
8:10 Substrate Inspection
9:21 IC Chip Removal
11:04 Movement Check
11:56 Second disassemble
12:43 IC Removal
13:28 Substrate Lost
14:28 Adding IC
16:57 Movement Check
17:33 Data Sheet Circuit Diagram
20:58 Ending