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Search: Posts Made By: zoldi211
Forum: Troubleshooting Audio Equipment 02-23-2019, 04:40 AM
Replies: 12
Views: 269
Posted By zoldi211
Re: Yamaha RX-V467 power problem

The measured voltages are filled to the attached pdf file, on page 111.
Forum: Troubleshooting Audio Equipment 02-22-2019, 12:35 PM
Replies: 12
Views: 269
Posted By zoldi211
Re: Yamaha RX-V467 power problem

Sorry, the correct value on CB381 is 0,2V (not 2,54V)... :(

The R3702 and R3703 resistors are OK. The problem may be in the IC375 ???

After shorting AC-PWR to DGND on CB381, nothing changed -...
Forum: Troubleshooting Audio Equipment 02-21-2019, 01:07 AM
Replies: 12
Views: 269
Posted By zoldi211
Re: Yamaha RX-V467 power problem

Wow ... Thank you :)

What should I try next?

I have measured all resistors, but all are OK.
Forum: Troubleshooting Audio Equipment 02-19-2019, 05:03 AM
Replies: 12
Views: 269
Posted By zoldi211
Re: Yamaha RX-V467 power problem

One of this caps are bad, since previously the value of the ACPWR_DET was lower (1,2V).
By the way, what is the function of reset circuit?
Forum: Troubleshooting Audio Equipment 02-13-2019, 01:29 AM
Replies: 12
Views: 269
Posted By zoldi211
Re: Yamaha RX-V467 power problem

After shorting Q3803 I get 3,29V on power switch, but the receiver still donīt turn on. The relay donīt click.

+3,3M 3,3V
ACPWR_DET 2,54V
RESET 0V
PRY 0,13V
DEST 2,6V
Forum: Troubleshooting Audio Equipment 02-12-2019, 04:30 AM
Replies: 12
Views: 269
Posted By zoldi211
Yamaha RX-V467 power problem

Hi, I need Your help with Yamaha RX-V467. This receiver donīt turn on, voltage on the power switch (SW472) is 0V, PSW_DET pin of IC20 (CPU) is 0V too. Every VCC pin of the CPU have 3,3V. I replaced...
Forum: Announcements & Related News 02-12-2019, 02:19 AM
Replies: 20,866
Views: 1,191,529
Posted By zoldi211
Re: New Members - please post your introductions here

Hi, I'm from Slovakia and my hobby is the repairing everything... I work as a service technician about 16 years.
Forum: Troubleshooting Audio Equipment 02-12-2019, 02:09 AM
Replies: 38
Views: 1,329
Posted By zoldi211
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