YAMAHA T-230 Tuner x 2 Repair

AudiHobi · Jan 8, 2018

Hello tuner experts, Hv 2 T230s, no display and sound. PS looks OK.
Looking for tips and service manual to fix it. TQ

davenn · Jan 9, 2018

AudiHobi said:
Hello tuner experts, Hv 2 T230s, no display and sound. PS looks OK.
Looking for tips and service manual to fix it. TQ

hi

welcome
have you googled for the service manual ? .... that is what any of us here would have to do

AudiHobi · Jan 9, 2018

Hi Dave, hv googled, none so far.

AudiHobi · Jan 9, 2018

Update - manually selected stations, reception w sound.

Next steps - to figure out why no display. No signals detected at
connector to the panel display DA,CK,CB. VCC VDD OK

davenn · Jan 9, 2018

AudiHobi said:
Hi Dave, hv googled, none so far.

3rd hit in search

it is available if you wish to pay for it US$16.99

https://www.servicemanuals.net/service-manual/YAMAHA/T230/pos1/results.aspx

AudiHobi · Jan 9, 2018

Dave, Thks. As these units are very old, not worth to invest/parts are limited.
Isolated the issue to the LCD module tht w 64pin SMT.