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Onkyo TX-SR607

Audio Video Receiver

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Onkyo TX-SR607

Description

The TXSR607 continues Onkyo's fantastic reputation for feature packed, great value amplifiers.

The 607 features six 1080p capable HDMI inputs and video upscaling from all sources up to 1080i for HDMI output so that, whatever you're watching, it'll look its best.

The TX-SR607 really shines with Blu-ray and upscaled DVDs. Play them on your HD-ready plasma or LCD and enjoy stunning quality.

Specifications

Output power: 140 watts per channel into 6 ohms

D/A conversion: linear PCM 192kHz/24Bit DACs on all channels; 32 bit DSP processing

Dimensions: 435 x 176 x 329mm

Weight: 11kg

Review

As we've come to expect from Onkyo, the '607 serves up a muscular sound all round - £400 What HiFi

Downloads

service manual (en) - edelima


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Onkyo AV Receivers

Comments

TX-SR607 Display Problems

Submitted by NilsVoss on Thu, 2013-04-04 20:15.

I know that there are some fixes concerning the display.

I got a broken Onkyo TX-SR607 from Ebay. As i bought it, i knew that the frontdisplay was not working. So that was ok for me. I found a fix, and so that should solve my problemes, I thought.

BUt after checking the resistors placed on a board connected to transformer I was disapointed.
the AC voltage was ok, and there was a voltage drop on the resistor, so there should be around 100mA for the heater of the display. Hm 4V directly on the panel. So this was not my error.
And I couldn't find open solderings.

So these were the fixes I found.

Than I found the service manual here on hifiengine.
today i googled a little how this kind of display work.
I remembered that a voltage called VP or VP- (sometimes with sometimes without - in the manual)
was about 3.4V on my board.
Hm one of the voltages on the board should be negative I thought......

So I found a discreet voltage regulator
on the analog videoboard BAVD-0038/U0032 under the HDMI board.

AND I found a broken resistor called R9010 which should be 2.2 ohm 1/2watt
it was about 2Mohm. So I resoldered 2 4.7Ohm in parallel to have something around 2.2 ohm and the one i had where 1/4Watt, so everything was fine.

And I am back in the game, Display is nice and bright,

But I think his receiver gets really warm inside, I will use a fan inside.
I hope that the receiver will work a little longer.
The capacitor inside especially the smd soldered on the HDMI board don't like heat.

I hope some could fix his onkyo to. And I hope to hear of that

regards Nils

re: TX-SR607 Display Problems

Submitted by zoomer171717 on Tue, 2013-04-23 08:46.

I am wondering if anyone has been able to fix the front panel display problem that has happened to the sr-607 reciver i have read the detailed http://www.avsforum.com/t/857502/the-onkyo-tx-sr805-thread/17310 but as the layout of the 607 is diferant than the detailed pics on the 805 i am at a loss as to where i can find the the 2 resistors that need to be replaced
After reading the above thread i am wondering if i was to replace R9010 with a 10-ohm 1W resistor
will this solve my front panel display problem

Please i need to be able to fix this asap
Vince

Onkyo TX-SR607

Submitted by shumifan50 on Fri, 2012-07-13 12:35.

The following was posted by HUNT on avforums and after following the instructions I managed to find the fult(the resistor was failing).

The display module of this model uses an FL (florescent) glass tube. For the display to work, the FL module (Q7002) must be supplied with low ACV to powerthe heater/filaments. Almost always, a no display condition would indicate low or missing ACV supply.

Proposed diagnosis / repair approach:

check continuity of R950 (8.2Ω / ½W) and replace if open;
presence of ACV between terminals P950 & P951 of the main transformer;
presence of ACV on pins 1-2 and 58-59 of Q7002;
in most instances, it would be a cold-solder condition. Fix is to re-solder.

R950 and the terminals P950 & P951 are on the small PCB board marked U0012 soldered to the main transformer;
Q7002 would be on the front panel display PCB marked as U003.

The value of R950 a reason:

8.2Ω - to limit the voltage current to the filament/heaters. Anything lower and the display goes brighter but heats up faster; higher and the display is dimmer but not as hot;
½W - serves as a sort of thermal fuse; anything higher and it will not burn up quickly enough; lower and it would constantly go open.

Thank you all very much for

Submitted by DAVID PENTIN on Fri, 2012-05-11 11:47.

Thank you all very much for donating information , very much appreciated , really useful.

Dave Pentin.

Sadly: it is great while it works, but it is not reliable.

Submitted by shumifan50 on Wed, 2012-06-27 14:54.

This amp, as several other Onkyo AV receivers seem to suffer from common problems, as is apparent when searching the web:
1. The front panel display fails quite soon.
2. The HDMI board fails, manifested by long connection times or inability to switch inputs.

There are several threads on fixing the HDMI board - it seems some capacitors overheat and pack up, but sadly I have found no threads with a fix for the first problem. And guess what, my display has packed up after 2 years.

So I will steer clear of Onkyo products as it is not just this model that suffers from these problems; several models have the same problems.

Thanks for the service manual, I might be able to find the fault.

HDMI board

Submitted by hairysoundman on Sat, 2012-07-21 17:23.

I have the same issue with the HDMI board. Would get it repaired but not worth it