I am currently sporting an old Hitachi HA-1800 Stereo Amplifier connected up to a radio tuner, turntable, and headphone jack for ipod/laptop playback that I bought at a car boot sale over the summer. It played fine up until a few weeks ago, now I'm only getting sound through the left channel, I swapped around the speakers and tried some speakers on the B speaker system and speakers will only play through the left channel. I currently have one speaker connected to left channel A and one connected to B to give me a mock version of stereo. I'm handy with a soldering iron, but don't really know what to look for if I open it up.
If the problem is too great I'll just dump it and pick up another, I only spent £3 on it, but the great bargain almost makes me want it to work more.
In old stereos the first things I look at are output transistors, solder joints and electrolytic capacitors. If you know how to solder, bad solder joints are pretty obvious. If you need a tutorial on how to spot bad solder joints, look here.
As for bad caps, look here. The info is aimed at computer motherboards but still helpful.
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This device does not have an internal tuner. It is simply an amplifier. The buttons on the front labeled TUNER - TAPE - PHONO - DAT/VCR 1 - VCR 2/TV are selector buttons for additional components that hook up to the respective connectors at the rear of the unit. If you want to play a radio with this device, you must buy a tuner and attach it to the tuner inputs in the rear of the unit.
Do you want to connect your computer to a amplifier or surround sound, and play music from your computer through the amplifier? If that is the case, you will need to get yourself a cable from your local sound shop. Ask for a "Stereo to RCA" cable. Plug the stereo jack into the back of your computer (where you would normally plug in your desktop speakers) and plug the RCA cables into one of your open channels on your amp. Select "CD" on your amp if you pluged it into the CD channel, and there you go
Bose CorporationWARNING: To reduce the risk of fire or electrical shock, do not expose the product to.... ence to radio communications. ... Note: Unauthorized modification of the receiver or radio remote control .... Thank you for purchasing a Lifestyle® SA-2 or SA-3 stereoamplifier. ... Left and right channel line inputs for a local audio device.
Bose CorporationJan 4, 2002 - WARNING: To reduce the risk of fire or electric shock, do not expose the.... may cause harmful interference to radio communications. ... Connecting theLifestyle® stereo amplifier to a Model 5 music center . ..... Lifestyle® SA-1 stereoamplifier rear panel ... Setting up the RC-20 remote control for Zone 2.
If you are trying to connect a ribbon cable tuner to a conventional RCA input terminal amplifier, it won't work because the ribbon cable carries the signal output as well as the data for frequency synthesis which is determined by the processor located in the amplifier ( that is supposed to work with that type of tuner), and the data buss for the buttons on the front of the tuner.
For the time and effort to put into a workaround, it is cheaper by far to get a tuner that will work with your amp. If cosmetics are not an issue, brand of tuner will not matter as their outputs are "Line Level" or nominally 1 volt peak to peak..
For connecting these to your amplifier you need 4 Stereo RCA Cable.
1.Connection for cd: Take one of the RCA cable connect the one end (red/white) jack to the line out of your cd and connect the other end (red/white) to the CD input of Your amplifier.
2.Connecting the tunner:
Take one of the RCA cable and connect the one end (red/white) jack to the line output of you Tuner and connect the other end (red/white) to the TUNER input of your amplifier. 3. Connectiong the tape deck:
Now you have two RCA cable. Take one of the RCA cable and connect the one end (red/white) jacks to the PLAY out of the Tape deck and connect the other end (red/white) to the TAPE 1 play input of your amplifier.
Now connect the last RCA cable. Connect the one end (red/white) jack to the record input of the TAPE deck And connect the other end (red/white) to the TAPE 1 Record input of your amplifier.(this connection will help you to record to tape from cd or tuner. if you are not interested in recording then you can avoid this connection.)
Now you can select these three items from the frond plannel control switch of the amplifier.
Hi, yes it is possibe, but you are going to have to buy a stereo 2.5mm jack to 2 phono lead. Connect to headphone socket on laptop and the other to a line input on amplifier and adjust setting to suit.
I hope this helps, if you need more info, I will help.
what to remember is pre-amp is before the amplifier then the amplifier to the speakers, go this route, Tuner for radio? from the radio tuner out go to the pre-amp tuner input, then from the pre-amp OUT go to the AMPLIFIER IN, tuner, cd, dvd, tv, any source, if you are using a 2 channel amp and pre-amp this is relatively easy, a little more detailed for multi-channel pre-amps and amps but follow the same path, sound source signal ie. tuner to pre-amp, pre-amp out to amplifier and speaker hookup to amp channels,
check volume balance between right and left-then change inter connection between sound source and amplifier with new cabel(i prefer gold plated type connectors)(see radio shack). after that if the problem excit your fault in output transistors or output stereo ic depend on circuit design.
for audio system always you have left and right channels. get the output (left&right) from tuner---go to equalizer input left&right.---from equalizer output go to amplifier inputs.and certainly from amplifier output to speaker.