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Hi, Does anyone have service info on this stereo cassette receiver built 1976-77.

Hi, Does anyone have any service info on this stereo cassette receiver? Built in 1976-77.

Hi, On the f2626 board R04 in the parts list shows a 22ohm,the board has a 4.7 ohm does anyone know which one is correct?

I have a 7070 that will not come out of protection. I know I have a problem on the driver board but my question is; With the board in I read 4.3 volts dc at both speaker terminals, no load attached, no relay. When I remove the driver board I read the 4.3vdc until the relay clicks in then it...

Hi, When doing the bias and balance adjustments should you have a load on spkr terminals? I know you jump the center terminals. Thanks,JC

Hi I am checking out a six receiver, I have it through a dim bulb,60 watt. The power supply voltages are right on.Second I am checking the output balance by using 8 ohm power resistors on the speaker out,volume down,sel.on aux.The manual calls for 0 +/- 50 mV. I have a meter on both outlets and...

Hi everyone,I am John a.k.a. jc7070 from pa. I own sansui,crown,realistic,kenwood receivers and amps along with kilspch,sansui,yamaha speakers.Currently I am trying to repair a Marantz 2250B and have posted a thread about it,however I did not get any replys and need to know if I did something...

Hi, I am repairing a 2250b with the left ch. out. At this time I have repaired the amp board,new caps,checked the transistors,put a 500 ohm bourns in,checked resistors. Here are my questions. 1- What transistors do you recomend for the outputs? It had 2sc793y and 2sb555r 0n the left and 2sc793y...

Hi, I am repairing a 2250b receiver and need the 300 ohm trimmer replaced on the 700 board. What is the best replacement for this and will physically fit? Thank you for any advise. Jc