Used Bose 901 speakers with equalizer for over 30 years to provide outstanding sound. The equalizer provided 20db of boost at 35Hz and 15db of boost at 25KHz. Designed and built two 200 watt amps to provide the headroom needed.
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Sony A/V System: KDL-55XBR8, BDP-S550, AVD-C700ES Super Audio CD/DVD Receiver, 4 SS-LA500ED surround speakers, 1 SS-LAC505ED center channel speaker and 1 SA-WD200 Active Subwoofer
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Welcome to Agoraquest! The solution is simple. Somewhere in the past someone must have used the "Label Video Inputs" option described on p-113 of the Operating Instructions to "Skip" the input. If you don't have the Operating Instructions, go to the "Setup" menu and select the toolbox. You will find the "Label Video Inputs"option there.
I think that you need to get a better understanding of what a "click" means when using the continuity checker. Don't you have resistance scales on your meter? If so, use the lowest resistance scale to read the resistance in BOTH directions at the same points. A diode has to be conducting between two points if you get continuity in only one direction. If we look at the IC8002 circuitry, we find D8012 and D8013 in series across pins 15 and 16. The only way that those diodes will conduct is if the voltage is higher than the sum of about 0.7V and t ..
I checked the MCZ3001D schematic and determined that pins 8 and 9 are NOT connected internally. The KV40XBR800 service manual voltage chart shows 17.9V on pin 8 and 0.0v on pin 9 for both IC6501 and IC8002. My conclusion is that something is wrong if you are seeing a short circuit between the two pins. The soldering looks great now except for IC8002 pins 2 and 11.
Welcome to Agoraquest! All of the solder connections should look nice and shiny. IC8501 Pin 2 looks dull. Is there too much solder or too little solder? I would touch up any connection that does not look nice and shiny. By touch up, I mean add a tiny bit of solder. If it were me, I would remove the excess solder flux. I always use cotton swabs and grain alcohol for that purpose. [ This message was edited by: jehill on 2013-05-19 15:17 ]
Welcome to Agoraquest! For the KP51WS500, 6 blinks, pause, 6 blinks, etc. means "Low B OCP/OVP (Overcurrent/Overvoltage) and the probable cause location listed is as follows: 1. +5 line is overloaded (A, B boards) 2. +5 line is shorted (A, B boards) These are starting points for qualified service technicians. Am I correct in assuming that the only blinks that repeated was 6 blinks? I see that you are a premium member. You may find the "D board component replacements A1300417A and training manual/KP51WS500, KP57WS500. KP65WS500" information package of ..
OK! For serial number 8106951, the TCON part number listed is 991099936, which is a flag indicating that the part isn't available separate from the LCD panel. The part number for the LCD Panel, which includes the TCON board, is 181101711. The part number for the software update required for the replacement LCD panel is A1761390A. According to Sony's DAPC site, present part number is 181101712, but it isn't available. If it were, the cost would be $1639.08. The software update is available for $55.95. Go to https://se ..
If re-soldering the diodes restores operation, that means the there were poor solder connections to one of them, most likely D6116 on the bottom of the board.
mbt_junkyard - I am sorry to hear that you are back in the hospital. D6301 and D6116 are used with an ordinary 120VAC transformer, not a switch mode power supply. theone777 - You should be able to install a 1N4002 diode in place of both D6301 and D6116. You will just have more difficulty installing one in place of D6116.
The individual transformer type volume controls no doubt do contribute to the problem. Were the transformer volume controls in the circuit with the two ceiling speakers that you had connected to your STR-DA7100ES?
Welcome to Agoraquest! I wouldn't hesitate connecting your SSX-90ED speakers to your existing amp. Tell us more about your amp. Does it have screw terminals to connect speakers? Does it have a subwoofer output that you can connect to an active subwoofer? You don't want your speakers to be connected directly to your boyfriend's TV. If you want to let your boyfriend use the speakers with his TV, I would suggest connecting all video inputs to the TV and then connect an audio output from the TV (analog or digital) to either your amp or a ..
Congratulations! You fixed it! Interestingly enough, this morning I woke up asking myself, 'When is the headphone relay supposed to be energized"? According to p-23 of the Operating Instructions, you have to place the SPEAKERS selector in the OFF position to use the headphones, which suggests that's the only time RY503 is supposed to be energized. I recall seeing a lot of dust on the MAIN board. If the relay is not supposed to be energized, perhaps dust/contamination is shorting conductor 13 to another conductor that is energized, such as conductor 12 fo ..
There is no access from the bottom of the receiver? Refer to Figure 6-2. CHASSIS SECTION on p-72. It looks like there is a removable plate directly below where the MAIN board is installed. While you are there, Item 56 is the DC fan that I mentioned earlier. I don't understand your comment, "Either way that was the wrong relay anyway". The control wires for all of the relays pass through the same ribbon cable, the one plugged into CNS409.
If you trace wire 13 up to CNS409 Pin 13 on Figure 5-7 , you will see that it passes through a wire jumper, JW317, at coordinates D/E-5. I would definitely check that jumper out!
OK! I see it! The coil connection furthest away from the edge of the board is the one that you need to try shorting to ground. RY503 is the headphone relay, explaining why it has no effect on sound to the speakers. If it doesn't look the same as RY504 and RY602, its been replaced in the past. Now were talking about CNS409 Pin 13. You never did answer my question on how the ribbon cables plug into the connectors. How do they connect?
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