Great video I have tk46 which i operating for the first time yesterday, it played fine however when i rewound the tape it no longer span the reel, the tape was rolling out, opening the case i found a broken rubber belt, the question is will a simular but not exact belt work, where does it go and how do i get it on, i have pictures if you would be willing to assist..
Hi! I Have the same tk40 as you and the wheel you mentioned at the beginning is also crumbling... Where have you got your replacement? Do you have any number I can search for? I would be really grateful if you could give me a hint!
Hy I changed the belt and clean the valve by Sand paper and it is ok What can I do if suddenly the green light doesn't t appear and at the same time no sound
This is quite common when powering up machines not used for a long time. The mains fuse must have blown. The reason the mains fuse flows is most likely, the AC/DC bridge rectifier is shorted internally. I replace these with 4x Diodes in a bridge. Also the main filter capacitors could be drawing more current causing the fuse to blow. You will need basic electronics knowledge to find and fix the problem. The 270V DC that makes the valves work is not there, so no green bar or sound.
Hy Please advise I am from Egypt. I have a grundig tk 40 . I have a problem . After 5 minutes the sound quality and it looks like talking by slow motion How can I resolve this problem Thanks
When it slows down after 5 minutes, does FF or Rewind work ? How do you get the sound working again ? Most likely is the drive capstan black roller, which pulls the tape past the head is slipping. The black rollers become hard. Need to sandpaper them and the metal drive capstan shaft. If you help turn the reels with your hand when it slows, does it sound ok ? Need a lot more info.
@@pharofirst8386 Sounds like the black capstan roller that pulls the tape past the heads may be hard and slipping. The metal capstan roller should turn with so much force that you should not stop it with your finger. (check the belt that drives the capstan flywheel) The black capstan roller should be pressed hard against the metal capstan shaft in order to pull the tape past the heads and regulate the speed. Check the black capstan roller to make sure it moves freely when you press play and it is pressed against the metal capstan roller. It should pull the tape very strongly. When it slows, try pushing the black capstan roller against the metal capstan roller and see if it gets back to the correct speed.
hello sorry to bother you. I would like to ask you a question. I have the same tape recorder as you but my problem is that on the 3 speeds they are in slow motion. yet I cleaned everything up, removed the old grease and put in the new grease. I cleaned the recording and playback heads but nothing helped. on the other hand at the back there are small circles that we can turn can you tell me if there are one or three that we can turn so that the engine runs faster thank you
Jean Blaise you cannot adjust the speed of the motor. Have you changed the belt from motor to the main flywheel ? Have you cleaned the mechanism of the pressure roller ? If the pressure roller is not putting enough pressure it will cause the tape to slip, also clean the pressure roller
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Great video I have tk46 which i operating for the first time yesterday, it played fine however when i rewound the tape it no longer span the reel, the tape was rolling out, opening the case i found a broken rubber belt, the question is will a simular but not exact belt work, where does it go and how do i get it on, i have pictures if you would be willing to assist..
Just buy 3 or 4mm polyurethane round belt. Cut to size, heat the ends with candle and stick together. Google joining polyurethane belt
@@phantomrose1999 thanks, also i am not sure where this belt goes, and what i have to remove to get it back in
Hi!
I Have the same tk40 as you and the wheel you mentioned at the beginning is also crumbling... Where have you got your replacement? Do you have any number I can search for? I would be really grateful if you could give me a hint!
Old Turntables with an idler wheel can be used. The outside diameter needs to be approximate but the shaft size needs to match.
Hy
I changed the belt and clean the valve by
Sand paper and it is ok
What can I do if suddenly the green light doesn't t appear and at the same time no sound
This is quite common when powering up machines not used for a long time. The mains fuse must have blown. The reason the mains fuse flows is most likely, the AC/DC bridge rectifier is shorted internally. I replace these with 4x Diodes in a bridge. Also the main filter capacitors could be drawing more current causing the fuse to blow. You will need basic electronics knowledge to find and fix the problem. The 270V DC that makes the valves work is not there, so no green bar or sound.
Look at my series of videos on restoring a Grunding TK64, had every power supply problem known.
what is the difference between the TK46 and TK47?
TK 46 - quarter-track stereo. TK 47 - half-track stereo
Hy
Please advise
I am from Egypt. I have a grundig tk 40 .
I have a problem .
After 5 minutes the sound quality and it looks like talking by slow motion
How can I resolve this problem
Thanks
When it slows down after 5 minutes, does FF or Rewind work ? How do you get the sound working again ? Most likely is the drive capstan black roller, which pulls the tape past the head is slipping. The black rollers become hard. Need to sandpaper them and the metal drive capstan shaft. If you help turn the reels with your hand when it slows, does it sound ok ? Need a lot more info.
@@phantomrose1999 rewind and fews working
Few and rewind work properly and the sound become more clear when I help the real by my finger
@@pharofirst8386 Sounds like the black capstan roller that pulls the tape past the heads may be hard and slipping. The metal capstan roller should turn with so much force that you should not stop it with your finger. (check the belt that drives the capstan flywheel) The black capstan roller should be pressed hard against the metal capstan shaft in order to pull the tape past the heads and regulate the speed. Check the black capstan roller to make sure it moves freely when you press play and it is pressed against the metal capstan roller. It should pull the tape very strongly. When it slows, try pushing the black capstan roller against the metal capstan roller and see if it gets back to the correct speed.
@@phantomrose1999 thanks a lot
Another problem
Suddenly the green light isn't t work and no sound at all
How can I resolve that ?
hello sorry to bother you. I would like to ask you a question. I have the same tape recorder as you but my problem is that on the 3 speeds they are in slow motion. yet I cleaned everything up, removed the old grease and put in the new grease. I cleaned the recording and playback heads but nothing helped. on the other hand at the back there are small circles that we can turn can you tell me if there are one or three that we can turn so that the engine runs faster thank you
Jean Blaise you cannot adjust the speed of the motor. Have you changed the belt from motor to the main flywheel ? Have you cleaned the mechanism of the pressure roller ? If the pressure roller is not putting enough pressure it will cause the tape to slip, also clean the pressure roller