marantz 1150 get shorted 1 chanel is not working | Trying to troubleshoot Marantz Model 1530 silent channel marantz 1150 get shorted 1 chanel is not working Test every driver and output transistor on each channel, no exceptions. You'll . TROV L50 Exterior Cove Specifications. New!Higher efficacy (up to 29%) and output (up to 41%); see spec sheet for details. All configurations ship in 2 weeks or less, with our best sellers shipping in just 48 hours. Flicker-free dimming down to 0% input power. Wattage and lumen package options @ 4000K: 2W / 110Lm/LF. 4W / 271Lm/LF. 6W / 432Lm/LF.
0 · Trying to troubleshoot Marantz Model 1530 silent channel
1 · Solved! fixing amplifier channel left/right not working
2 · Servicing a Marantz 1150 console stereo amplifier
3 · Question Help me fix sound mode switching on Marantz AV
4 · Old Marantz amp
5 · Marantz AVR trouble: one channel not working right
6 · Marantz 1150 Stereo Console Amplifier Manual
7 · Marantz 1150
8 · AVR Left channel not working
9 · 5 Ways to Fix Your Amplifier One Channel Not Working
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Test every driver and output transistor on each channel, no exceptions. You'll .
I turned the volume down and it came back on and now if the level gets above .
First thing I notice - before even starting up the amp - the faulty channel was .
When you’re working with the board off the power, check if the BJT terminals are not in short and verify if their PN junctions are alright. With the power on, carefully check the voltages. If the base-emitter bias voltage is . I am asking you to call/email Marantz to get this fixed. The issue is that the . If you can get inside you might find a blown fuse. In some amps there are two . The AVR i think went into protection mode. Since then, the left channel (the one which shorted), is not working right. Test tone emits a very low volume, static sound, just like one from tuning a radio. It plays music, but at a .
My brother-in-law has a modern Marantz AVR (SR6008 I believe) and after .I'm working on my old marantz 1150 amplifier with sometimes i have some "bangs" on the X9 .
Your Marantz amp channel might not be working because of a shorted output . Test every driver and output transistor on each channel, no exceptions. You'll want to replace the input transistor pair on the amp boards at the end of all this for reliability. Thanks Ivan and Steven, your advice was well-received. I have built the recommended DBT and I'm ready to go onto the next step. I know it is a problem with the left channel and not the relay circuit because the right channel and protection circuit function fine when the left channel is unplugged (inside the amp, not at the output to the speakers). I am trying to figure out what would cause this.
I took my 1150 last night out of storage after years and discovered my right channel when using the main speakers on aux input doesn't work. On remote speakers I get a right channel, on tape 1, tape 2 and tuner. I realized later i forgot to retest aux on remote speakers. I turned the volume down and it came back on and now if the level gets above about 30% it cuts out until its turned back down. However if I balance it all to the right channel it will go as loud as normal with no problems. Does anybody know why this is happening, blown mosfet or something? First thing I notice - before even starting up the amp - the faulty channel was totally shorted. The faulty channel's speaker out + had zero resistance to GND. Turns out one wire was squeezed under a screw, which had destroyed its insulation. When you’re working with the board off the power, check if the BJT terminals are not in short and verify if their PN junctions are alright. With the power on, carefully check the voltages. If the base-emitter bias voltage is correct, you can trust it for now.
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I am asking you to call/email Marantz to get this fixed. The issue is that the receiver won’t automatically switch between 2d and 3d audioformats without enabling the upmixer. I for one would like to have the receiver play what is being put into the machine. If you can get inside you might find a blown fuse. In some amps there are two fuses per channel and if one of the pair blows it will produce distorted sound. If they both blow it produces no.
The AVR i think went into protection mode. Since then, the left channel (the one which shorted), is not working right. Test tone emits a very low volume, static sound, just like one from tuning a radio. It plays music, but at a very low volume.
A quick “fix” is to ensure contact by using a short RCA cable to connect pre-out to main in and just leave that in. Some deoxit in the jacks and a workout with the cable may clean them, but just leaving a cable in is for sure.
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Test every driver and output transistor on each channel, no exceptions. You'll want to replace the input transistor pair on the amp boards at the end of all this for reliability. Thanks Ivan and Steven, your advice was well-received. I have built the recommended DBT and I'm ready to go onto the next step. I know it is a problem with the left channel and not the relay circuit because the right channel and protection circuit function fine when the left channel is unplugged (inside the amp, not at the output to the speakers). I am trying to figure out what would cause this. I took my 1150 last night out of storage after years and discovered my right channel when using the main speakers on aux input doesn't work. On remote speakers I get a right channel, on tape 1, tape 2 and tuner. I realized later i forgot to retest aux on remote speakers. I turned the volume down and it came back on and now if the level gets above about 30% it cuts out until its turned back down. However if I balance it all to the right channel it will go as loud as normal with no problems. Does anybody know why this is happening, blown mosfet or something?
First thing I notice - before even starting up the amp - the faulty channel was totally shorted. The faulty channel's speaker out + had zero resistance to GND. Turns out one wire was squeezed under a screw, which had destroyed its insulation. When you’re working with the board off the power, check if the BJT terminals are not in short and verify if their PN junctions are alright. With the power on, carefully check the voltages. If the base-emitter bias voltage is correct, you can trust it for now. I am asking you to call/email Marantz to get this fixed. The issue is that the receiver won’t automatically switch between 2d and 3d audioformats without enabling the upmixer. I for one would like to have the receiver play what is being put into the machine. If you can get inside you might find a blown fuse. In some amps there are two fuses per channel and if one of the pair blows it will produce distorted sound. If they both blow it produces no.
Trying to troubleshoot Marantz Model 1530 silent channel
The AVR i think went into protection mode. Since then, the left channel (the one which shorted), is not working right. Test tone emits a very low volume, static sound, just like one from tuning a radio. It plays music, but at a very low volume.
Solved! fixing amplifier channel left/right not working
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marantz 1150 get shorted 1 chanel is not working|Trying to troubleshoot Marantz Model 1530 silent channel
