Question about Marantz Audio & Video Receivers
SOURCE: Marantz support question
Hi I had my SR7200 in the shop also. The 1st time they said that they couldn't find anything wrong with it. I brought it home and had the same problem. Brought it back and they had it for about 1 month and finally called and said that they talked with Marantz and the DSP needed to be replaced. They said that they would have to send it to Mararntz and it would cost about $150
Posted on Feb 28, 2008
SOURCE: No Sound
Called Onkyo and here is the solution they gave me.
1. Turn on unit.
2. Press and hold VIDEO 1 button.
3. While pressing VIDEO 1, press Speaker A button.
4. You should see "CLEAR" on the display for a second and it will go on stand-by mode.
5. Turn on the unit and check if sound is back.
Hope this helps
Posted on Jul 07, 2008
The f-l channel of the sr18, & sr18ex & sr19 is a common failure location due to the heating and cooling over the years. The crackling an/or distortion, is most commonly due to the amplifier going into a high idle, or d.c. offset that can no longer be controlled by the adjustment potentiometers on the board. usually the two 2sc3200 transistors become unstable, and as well a 47mfd and a 470 mfd elect. caps nearby. Also distortion is caused by one or more of the zener and germanium diodes all grouped near the big dual ceramic white resistor. The amp block is held in by six screws. first remove the cross bracket, then cut the cable tie free from the hole on the board. Ten screws hold the top board on, the pull the boards apart from the connectors. before replacing it, resolder ALL of the connector pins to BOTH boards.
Posted on May 27, 2009
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