Circuit Diagrams

Fel-3226H

Daewoo DLT-42G Power Board

MLT688

MEGMEET MLT688 Power Board

ETL-XPC-204T

ETL-XPC-204T Power Board

etx2mm702mfh

Panasonic Power Board


TX91G

Telefunken MS2170CT chassis

TDA11105 PCB

TH-2158NF China Chassis

SCT11B

Samsung AA41-10443A chassis

SE1 Power

Sony KDL-26U2000 Power Board



AY160S-4F01

  • BD1 : KBJ406G
  • Q201 : 12N50E
  • Q101 : MDF2N60 or MDP2N60
  • Q102 : ME60N03
  • Q12 Q13 : 1P (2N222A)
  • Q202 : 2E (MPSA93)
  • U2 : OB6563 AY160S-4F01 Bottom
  • U301 : LD7575
  • ZD1 : X8
  • R219 R219A R219B : 0.82Ω 

Fuse blow.

Replace BD1 Q201 and D202

5V is missing.

Replace U101 or T1

24V is missing.

Check U301 Q301 and T2

24V is low.

Firstly, check capacitors. If problem persist, check U302 and PC3

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