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I can confirm it works on the model 27R410T, but apparently it works for multiple RCA sets from the early 2000s. There are a couple other easy-to-find ways to get into the service menu on RCA sets, but this way took some digging and a long time to find so I wanted to share it here for some more exposure.
25 lip 2006 · 1. TV turned on. 2. Press and hold the 'Menu' button at the tv. 3. Press and release the 'Power' button. 4. Press and release the 'Vol up' button. 5. Release the 'Menu' button. 6. The initial security parameter displayed will be 'zero' Change this to '76'. You are now in the Adjustment mode. Use the 'Channel up or down' to select parameter 'P'.
Enter the service mode (S-Mode) by pressing the VOL- UME DOWN key on the instrument until the volume decreases to minimum. Press the INFO key on the remote handset while holding the VOLUME DOWN key on the instrument.
View and Download RCA 27V412T technical service data online. 27V412T tv pdf manual download. Also for: 27v412tyx1, 27v412tyx3, 27v412tyx5, 27v412tyx8.
20 sty 2021 · I acquired a 27" Sanyo CRT TV (chassis - G3Y27560, model AVM-2756) for running old video game consoles. There are some convergence issues at the corners that aren’t a big problem at the moment, but the vertical size is too tall causing clipping of the top and bottom of the image.
22 kwi 2021 · crt sharp 27sc26b stuck in service mode Was changing the vsm gain setting to 3, but now when I turn off the tv and turn it back on it goes back into the service menu. To get in to it originally I held the key combo on the tv tben plugged it in, and it started into the service menu by itself.
26 wrz 2006 · TRY THIS: PRESS & HOLD -VOL (FRONT TV SET) AND SIMULTANEOUSLY PRESS 0 or INF. KEY (REMOTE CONTROL) THEN RELAESE - VOL. 1,2,3 AND SO ON ARE MENU MODES. TO SAVE PRESS SOUND or ANTENA or OK KEY (REMOTE CONTROL. You must log in or register to reply here.