Harman Kardon Audio Players & Recorders - Recent Questions, Troubleshooting & Support
Soundsticks 2 subwoofer potentiometer
I would remove the potentiometer and note te maker and value plus the size. then look on Mouser, RS Components or another supplier and source a suitable replacement.
Harman Kardon AVR 630 8CH mode not available
According to the Harman-Kardon AVR 630 User Manual, if the 8CH mode is not available, you can try unplugging the unit from the AC wall outlet and waiting for at least three minutes. After the pause, reconnect the AC power cord and check the unit's operation. If the system still malfunctions, a system reset may clear the problem. The 8CH may not be available according to the user manual. You need to contact Harman-Kardon customer support.
Harman kardon avr 146 no front led display. but clicks on from orange light to blue. is there a fuse for display screen ? fuse at AC in is OK.
Hello, there is no fuse for the screen, there is a power supply circuit that makes it work and that if it is wrong the screen does not work
The rest of the team works well? Can you hear something?
if not, you do not have a display problem, you have a bigger problem
If you have knowledge to review it, I will attach the service manual, but go to a specialized technical service
Hola, no hay fusible para la pantalla, hay un circuito de fuente de alimentaci?n que lo hace funcionar y que si esta mal la pantalla no funciona
El resto del equipo funciona bien?, puedes escuchar algo?
si no, no tienes un problema de display, tienes un problema mayor
si tienes conocimientos como para revisarlo, te adjunto el service manual, sino dir?gete a un servicio t?cnico especializado
https://www.vintageshifi.com/repertoire-pdf/pdf/telecharge.php?pdf=Harman-Kardon-AVR-146-Service-Manual.pdf
VOLTAGE PROTECTION CHECK DSP
AMPLIFIER HARMAN KARDON:
Code: <check input> means: fuses resistors back of the transformer. They should have .4 ohm low ohm. Often they go on kilo ohms or mega ohms, means they are open. Change them. That's it. Code: <Check DSP> means something on logical board or flat strap connectors defect. Also check voltage on output collector and also check -15 volts and +15 volts on multiplug up on the middle right of the amp on the logical board. Check all voltage preamp on connector cn21 and cn24 on right of the logical board up middle right of the amplifier. I'm a certified Harman kardon technician. If you have other questions, just ask me. Good luck all. Serge.
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