Update, as the problem persists I'm inspecting the top board as I think the problem is there. It will be some ruined track or a weld.
Then I got a V8000 beocord to repair, black screen.
I can't find the service manual by any chance does anyone have one?

ok thank you

I'm going crazy with this vx5000, everything seems ok but the right channel feels lower.
Who can help us?

Different sound level:

• during playback?
• during input from scart decoder?
• after recording?
• from tuner?
• old and checked tapes?
• 2-channel sound L1 and L2 and Linear?
• Head amp caps replaced? There is a sound track amp... box behind the head...

   

While playing any cassette, I also tried with a new one. Set to linear Left channel is heard with less bass… . I replaced the capacitors. Would the card you say be the one highlighted in the photo? Do I have to replace the capacitors there too? Login to view image

Update.
I noticed that the channel balance does not work, turning left or right you hear on both speakers. Left with lower volume and right with higher volume...........

The metall box is the head amp.

Important for noisy pictures and missing sound. It decodes Picture and Sound from the tape... just tape playback and record.

If sound is bad even from AV decoder input, it's something else defect, not the head amp. (VTAPE - Shift 7 for input....). Worth testing...

But... the front panel has 2 linear potis for recording. And 2x mini 1uF or 10uF caps exactly for recording left/right next to the potis...

As i said, the VX5000 has a lot of caps inside...

Have you made the digital unit already? Can you activate this unit? MX5000 or MX5500?

There are a lot of them in a very special size of RM 2,5mm ... very special and really very hard to get in this size. RM2,5 is usually no problem, it's the mechanical size of them, some are bipolar... that's why they are red now ;)

All video signal runs through this unit, even if no digital effect is used. Just pass through...

The small board above is the text overlay for the menu. Already done? RGB working? The size is there more than critical, every millimeter counts... i use meanwhile SMD R7y bipolar caps for the RGB unit...

 

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I fixed it, it was a broken trail on the top board isolating a capacitor.
Last problem are the vu meters only one works, I can't figure out where they are connected on the schematic.

As you may remember from above, I had a broken drive gear. I tried to epoxy it but either my epoxy has turned bad or it was not mixed in the right ratio - in any case it was not strong enough. But, hey - the Internet and YouTube came to my rescue. I tried the - new to me - old trick of using super glue and dipping it in baking soda. Incredibly, it turns hard as stone instantly and the part was again useable. Wow! Here's a picture: Login to view image But I still have a problem with the loading mechanism, and I think it is because I may not have assembled it correctly - perhaps the spring in the drive gear is the problem? The symptoms are:

1. the mechanism seems to be locked in the right side, so I can't get the machine to accept a tape.
2. if I manually turn the big white wheel under the machine - called the clutch assembly - the mechanism is not locked. The tape moves in a bit and the machine happily engages the loading motor and accepts the tape.