Question about SPL Dynamics XL2-1600 Car Audio Amplifier

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Questions about driver board

i would like to know what type of IC are used on the driver board (2 pices with 8 pins each, smd). it seems that the same driver board its used in the following amplifiers: µ-Dimension ProX 2K 1D,American Bass VFL 150.1, Emphaser EA1600,Hifonics Brutus BX2200D,Starsound SSA-D6000.
waiting on your answer! thank you! br, luca pop

Posted by lucapop on


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Are the ICs covered in epoxy? All of the ones I've seen were covered and not replacable.

On other 3S-tech boards, they use a TL072 and an LM211. These rarely fail. The problem with these boards is generally blown driver transistors or bad connections on the driver transistors and/or resistors near the driver transistors.

Let me know if you have any other questions.

Posted on Aug 16, 2008


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Control board component failure?

Wow. Blown IC!!!!!!!!!!!!!!!!
Best bet is to contact the manufacturer or get a hold of the schematic for the control board.

If unsuccessful you may be able to buy a replacement on the cheap on ebay and get parts.

Jul 12, 2015 | Building Materials

1 Answer

Channel 1 makes a pulseating click and NO sound through it . All other channels are fine!!!!!!!!


Operational amplifier circuit named 4580 is the issue as with most of mixing boards, each channel has its own operational ic's and one way to know which one is defective is simply touch every one on the board, inside of course, of the non-working channel, check for excessive heat and if you find one pretty hot compared to other you just find your bad component, you will recognize what type of ic im talking about, is a 8-pin smd ic where the pin 4 should have -15v and pin8 should have +15V, no other pin should have any voltage and this is another way to test an opamp, with a dmm in dc volts referenced to ground, chassis ground, let me know if you need further assistance.

Sep 18, 2013 | Behringer XENYX 2442FX Mixer

1 Answer

Where do I find the 8 pin IC number

"D" power board is nothing, but its power regulator board itself. I think you are not handy to do the work with power regulator baords. It is dangerous to handle power boards to any TV without proper experience.

Mar 01, 2012 | Sony FD Trinitron WEGA KV-32HS510 32" TV

1 Answer

The Sound just quit

First check speakers with multi meter. Will be 4 or 8 ohm. If they check good, bad audio output ic on main board. Hard to replace, they are an smd ic. May have to purchase main board.

Nov 20, 2011 | Haier HLH406BB 40 in. LCD HDTV

1 Answer

P50pdtv10a will not change channels stuck on channel 3

The system memory IC of your TV has damaged. This is one, which stores all the setting we have done with remote control, including channel memmory. This IC works in conjunction with the main system control IC. When we switch OFF or do any other adjustments with the tV, all the data will be stored in this IC, and tetreived from it to main system IC to process when we switch ON the TV. This is a non-volatile memory chip, ie, even the power is OFF, the data stored in it won't lost. This is a very small IC, can locate very near to main system control IC. Will have 8 solder terminals [normally], and ver cheap to buy too. Even though it is a very cheap and small one, the function of it in the circuit is great. In some Vizio sets, this IC will be of SMD [surface Mount Device] type, and on othere will be a DIL [Dual In Line] type pin confujuration. If your TVs memory is of first as stated above [SMD], replacing it will not be an easy job. If it is of second type, it can be replace easly.
Anyway, this is not a work that can be done without skill. If you have enough knldege in electronics, and have a concept of desoldering and soldering, have all soldering equipments with you, you can do this work by yourself at home. Otherwise you have to seek assistance from an experienced service technician. OK.

Oct 19, 2011 | Philips 60P8341 60" Rear Projection...

2 Answers

Retuning not holding memory

The memory IC in the circuit of your Grundig is not working. There are two resons for this fault. The first one is, of loss of voltage to that IC. This IC is a non-volatile type [that is, even though the supplied voltage goes OFF, the memory cells inside it will hold the last position memory, will not loss it]. This is a very samll IC, of 8 solder termiminals and can be located very near to the main system control IC. It is drived and memorized by main system control IC, by Serial Data, Serial Clock signals. Fault to this IC is quite normal to most of the TV, irrespective of brand and model number. It is very cheap to buy too, and can be bought from most of the electronic sparepart selling shops at your town. It has a number printed on it, must be noted before buying a new one. In some models of Grundig Tv, this IC will be an SMD [Surcace Mount Device] type. In others, it will be of norma DIN [Dual In Line] type. If the IC soldered to your tV is of fromer type, it cannot be replaced by normal soldering techniques. If it is of second type, it can be desoldered out and can be replaced with a new one. Look whether the type fitted to your TV's circuit is of second type [DIL]. If so you can do the work by yourself at home, provided you must ahve a concept of desoldering and soldering; a good quality DC soldering Iron, and an antistatic desoldering pump, and a very good quality digital multimeter, like Fluke or so. If the type is SMD, no other way other than get this set repaired by any well equipped service center of by the Authorised Service Center for Grundig at your town.
Check the board and confirm the type. Use of a hand glove is recomended when repairing this system control section, as the main system IC is very static to external voltages; even the voltage generated at the tip of human fingers may damage them. There is no other fault with your set, except this IC. The component is cheap to buy, but I don't have an idea about the service charge at your country.
If you haven't enough knoledge and skill to do the work, just get this set repaired by it Authorised Service center.
If you want anymore assistance from me, feel free to get me by Fixya. OK.

Sep 26, 2011 | Grundig GU19WDVDPCX 19 in. LCD TV

1 Answer

I need sheme for YPLM-M003B of LG L1717S-SN.IC in primar of power supply is burned.

I have this power board,LAF0001 pwm is the only use IC.

20 pin Inverter IC labeled (0zl68GN VKo257 5T 0647B1)
and 2 8 pin dip IC

Sep 10, 2011 | Televison & Video

1 Answer

My Coby 32 in tv won't store my channel memory. When I first got the tv, it stored the channel memory but now I have to reprogram it every time I turn it on.


When autotuning the set goes throughs all transmitting channels, shows to be receiveing all channles, but seems to be tunes indefinitely, and no channels are locked, the memory IC inside the set has got damaged. In normal case, the TV will tune to all available channels at that tiime, in air or through the cable, whatever the case may be, tune up to last channel, and will stop, and will display the first channel it has got. Then we have to make adjustments on channels.
The memory IC i stated above is a small IC with 8 terminals, and can be located very near to system control Ic, at system control section. In some sets, it will be SMD type [Surface Mount Device], and in otheres will be of DIL type [Dual In Line]. If it is a DIL type, it is very easy to replace. If it is SMD type, proper care should be taken when replacing it, not to damage any track on circutit board and nearby components.
Open your TV, locate the IC and desolder it out of the printed circuit board, go for a same type and number, replace it. This will solve your problem.

Jan 18, 2011 | Coby TFTV3225 32 in. LCD TV

1 Answer


If you know how to solder is a pice of cake,,,, but be carfull the tv store a high voltage in the picture tube and beliveme is a very dangerous one but if you decide to go on the vertical Ic is the one with 10 or more conection pin (in some model 7or 8) and is atach to a heat sinc (a pice of metal) to cool down the Ic solder all the pin and check to dont joint to pins with the solder dont applay to much heat or will spoil the IC allso check the power suply area for cold solther to thepower suply is the area were the ac cord is atach all around there....remember dont touch repeat DONT TOUCH the heavy red cable coneted to the picture tube and as techman say get some buddy beside you with a telephone redy to call 911......good luck and rate me

Jan 06, 2008 | Panasonic CT-32SL14 32" TV

2 Answers

Viewsonic VX910 CCFLamp drivers...

One and a half year later I know the solution :-). It is 2SC4672... sure!. DKQ* is in my Jaeger SMD-Decoder book (10.000 SMD - Demiconductor - Codes)
Common problem with inverter PCB. Caused by the damaged or loose 100nF (or some same value)
Succes. For me it is working.


Aug 09, 2007 | ViewSonic VX910 19" LCD Monitor

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