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10 OHMS 5 WATT O/C - Hitachi Televison & Video

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The resistor is open? Look for the resistor to be in series with a diode and check to see if the diode is shorted. The resistor and diode should be part of a power supply circuit. Check to see that it is not driving a short. If there is a short, it is probably the sound chip or maybe the vertical. You can't just replace the resistor without actually finding and correcting the cause or you'll just fry another resistor.

Hope you find it.

Posted on Jul 25, 2009

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Posted on Jan 02, 2017

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When thosse resistors (precharrging of main input filters) burn up there is major damage. The IGBT's are usually gone... replace with APT28GA60BD15... the switching regulator IR2153 is gone... one or more of the 2SA1020-Y and the 2SC2655-Y gate drivers are gone. One or both of the DL4148 speedup diodes for the IGBT gate drives will be gone. The Wirewound ceramic resistors either 10 or 22 ohm 10 watt radials... Use:
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hi,
You have to check the ohms of the speakers all spekers should be 8 Ohms or above. if not it will overload the amplifier at high level. The minium ohms impedence of the amplifier is 4 ohms. If you connect two 8 ohms speakers together then the effective ohms will be 4 OHMS then the amp will handle the speakers. If you connect two 4 ohms spekers together then the effective ohms will be 2 Ohms, this will overload the amplifier. You will be able to connect two 8 ohms speaker to left channel or right channel of the amplifier. Check the speaker spesifiction to know its ohms. Make sure all the speakers have an impedence of 8 OHMS or above
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How many rms does my amp have.....??????


4-channel, 4 ohms: 4 x 50 Watts
4-channel, 2 ohms: 4 x 90Watts
Stereo, 4 ohms: 2 x 180 Watts
T.H.D. : Frequency Response: 10 - 25KHz
S/N Ratio: >90dB
Channel Separation: >50dB
Dimensions: 13"L x 9.9"W x 2.25"H

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I need to know the ohm rating for the speaker in a


Judging from the "10D", that most likely means 10 watts. 6.5 inch speaker, probably 8 ohms. Most amps of this nature have 8-Ohm speakers.

Their 12-watt and 15 watt amp have a 6.5". Their 20 watt amp has an 8". The 80 watt has a 12".

Hope this helps.

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you can run 2 subs given that you dont go over 2 ohms of resistance and that the subs are rated at 1000 watt max each around 4 or 500 watt rms. if your not sure about ohms dont bridge it and get single voice coil subs. this amp is capable of about 700watts constant power 1200 max spike if the voltage stays at 12 or higher.

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your probably making your amp run to low ohms if its a 2 channel amp bridged to one channel you can probably only run it at four ohms

Also seeing as your subs are 2ohm dvc you can't wire them individually to 2ohm and use each channel separately. So i'd recommend buying a 2ohm stable monoblock or running it at four ohms. a 1400 watt amp'll still pound at 4ohms and it'll extend your amp's life span

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Hope that helps

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Here are the values:
RY04 >>>> 68 ohms >>>> 1 Watt
RY04A >>> 47 ohms >>>> 0.5 watt
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Hitachi 53uwx10b


Hitachi has created a repair kit part# X480293 for this problem. It includes: (2)STK392-150 convergence ic's,resistors RK42 = 3.3 ohms,RK46 = 1.8 ohms,RK50 = 2.7 ohms,RK54 = 1.5 ohms,RK58 = 3.9 ohms,RK62 = 2.2 ohms,all 1 watt resistors.

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