REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

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All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Saturday, 16 February 2019

COMPUTER CHASSIS FRONT AUDIO WIRING HOW TO INSTALL FRONT AUDIO IN COMPUTER CHASE

Computer Chassis front audio wiring

HOW TO INSTALL FRONT AUDIO IN COMPUTER CHASE
 


1, AUD_MIC the front panel microphone input

2, AUD_GND analog audio circuitry land line

3, AUD_MIC_BIAS microphone power supply

4, AUD_VCC analog audio circuit, the +5 V power supply filtering

Of, AUD_FPOUT_R front panel and right channel audio signal

6, panel right channel audio signal return AUD_RET_R

7, HP_ON reserved for future headphone amplifier

Empty, the KEY pin



9, AUD_FPOUT_L front panel of the left channel audio signals

10, AUD_RET_L front panel and right channel audio signal

AUDIO 10-pin design can be applied to high-end chassis, with amplifier and speakers can also be applied to a common chassis front headset jack. 4 pin is used to the power amplifier to provide +5 V power supply, so do not put any line connected to the 4-pin, otherwise it will burn the motherboard and headset front headset jack to connect the common chassis.

If you do not use the front audio jack, pins 5 & 6, 9 & 10 must be jumpered so that the output signal will go to the back of the audio ports. Otherwise, the back of the Line-Out audio interface will not work.

Types of chassis front headset jack and connection:

I / O panel, basic Intel? Connect the standard design, the 7 cable:

Front audio jack, headphone jack with spring switches, multi-connection (LINE OUT RL LINE OUT RR) for the two left and right channels to return to the motherboard. This headphone jack of the chassis, the back of the audio output jack for connecting the speakers, front jack for connecting headphones. When using the front jack to connect headphones, automatically disconnect the back of the speakers, unplug the headset automatically when connected to the speaker.

7 of the front line with the motherboard audio interface JAUD1 connection as follows:

Microphone input (MIC IN) --------> ①

Ground (GND) ------------> ② The

Mike power (MIC POWER) ------> ③

Panel right channel output (LINE OUT FR) of ----> ⑤ The

Panel right channel return (LINE OUT RR) for ----> ⑥ The

Panel, the left channel output (LINE OUT FL) ----> ⑨

The panel left channel return (LINE OUT RL) ----> ⑩
Posted By: FRANK at 03:54
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