Description: Warning:Do not install the P700 board into your receiver unless you have tested and confirmed the output transistors are not shorted. If the output transistors are shorted, then you will see smoke. The P700 Board was tested in a working receiver. If you have any problems, please contact me for any assistance. Rebuilt/Tested Marantz 4400 Receiver P700 Output Board I am a Marantz Collector/Restorer, I have restored over 50 receivers. I am offering some rebuilt 4400 P700 assemblies from receivers that I decided to part out. These p700 assemblies have been tested and adjusted to original specs. Offset: 0mvBias: 10mv Semiconductor Parts replaced.H735/H736 H739/H740: Diodes replaced with 2 1N4148 diodes in series (VD1212, known to cause problems)H701/702/703/704: Input Transistor Pair Replaced with 2SA922. (Recommended replacement during restoration)H711/712: Replaced with KSC1945 (2SC458 Known to cause problems)Other transistors may have been replaced if found to be defective. Upgrade: Flyback Diodes installed (4X 1N4007) Electrolytic Caps Replaced:C713/714/715/706 200ufC701/702 3.3uFC711/712 47uFC735/736 10uFC709/710 0.47uF Resistors Replaced:R721/722 Replaced with new 5K Offset Potentiometer.R739/740 Replaced with new 1k Bias Potentiometer.Other resistors may have been replaced as needed. I have other Marantz 4400 parts available, just ask.
Price: 225 USD
Location: Bullhead City, Arizona
End Time: 2024-11-10T16:17:25.000Z
Shipping Cost: N/A USD
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Item Specifics
All returns accepted: ReturnsNotAccepted
Brand: Marantz
Model: 4400
