Just what's inside a 'G' series JVC D-ILA? - AVS Forum
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post #1 of 144 Old 11-01-2005, 07:00 AM - Thread Starter
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For reference here is the orginal thread on last years model;
http://www.avsforum.com/avs-vb/showthread.php?t=455897

For anyone interested the part number for the CD is;
SML200508V8
This appears to include all of the JVC 2005 audio/video devices. No, the 1080's are not there.

JVC calls this the RP3 chassis

Rear panel input/outputs,
Lamp on time parts 1 & 2,

Feel free to figure out just how to figure out how many hours the sets been on.
LL
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post #2 of 144 Old 11-01-2005, 07:07 AM - Thread Starter
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Optical drive assembly,
Projection unit,
Image light flow (notice the blue channel uses 3 mirrors where the red and green only use one);
LL
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post #3 of 144 Old 11-01-2005, 07:13 AM - Thread Starter
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D-ILA device structure and drive block diagram;
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post #4 of 144 Old 11-01-2005, 07:15 AM - Thread Starter
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Screen assembly (2 parts, top and bottom);
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post #5 of 144 Old 11-01-2005, 07:17 AM - Thread Starter
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Screen removal and cleaning (please heed the warnings);
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post #6 of 144 Old 11-01-2005, 07:23 AM - Thread Starter
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Heat dissipation ports and clearances;
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post #7 of 144 Old 11-01-2005, 07:24 AM - Thread Starter
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Main parts location diagrams;
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post #8 of 144 Old 11-01-2005, 07:27 AM - Thread Starter
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Unlike last year, this year with the addition of a ATSC/QAM tuner there are FOUR fans. (these do not show the tuner module fan though);
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post #9 of 144 Old 11-01-2005, 07:33 AM - Thread Starter
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Wireing diagram;
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post #10 of 144 Old 11-01-2005, 07:40 AM
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Awesome! Thanks Bruce!

Jeff

Gamertag - Ktulu1

"Assiduus usus uni rei deditus et ingenium et artem saepe vincit" - Cicero
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post #11 of 144 Old 11-01-2005, 07:43 AM - Thread Starter
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Block diagram & closeup of the digital signal path;
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post #12 of 144 Old 11-01-2005, 07:45 AM - Thread Starter
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Self check mode;
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post #13 of 144 Old 11-01-2005, 07:51 AM - Thread Starter
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Entering the service menu screen;
(as usual, if you aren't comfortable don't do it!)
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post #14 of 144 Old 11-01-2005, 07:54 AM - Thread Starter
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Signal system,
Setting values;
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post #15 of 144 Old 11-01-2005, 07:55 AM - Thread Starter
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Video system settings;
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post #16 of 144 Old 11-01-2005, 07:58 AM - Thread Starter
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RGB Box Pattern Mode;
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post #17 of 144 Old 11-01-2005, 07:59 AM - Thread Starter
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Focus;
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post #18 of 144 Old 11-01-2005, 08:02 AM
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Is there anyway to adjust geometry to align the screen???

bignorm is my bulldog!!
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post #19 of 144 Old 11-01-2005, 08:05 AM - Thread Starter
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No, there shouldn't be a need to.

Drive convergence (static center convergence);
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post #20 of 144 Old 11-01-2005, 08:06 AM - Thread Starter
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Centering;
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post #21 of 144 Old 11-01-2005, 08:09 AM - Thread Starter
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1125i brightness;
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post #22 of 144 Old 11-01-2005, 07:03 PM
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Quote:
Originally Posted by videobruce View Post

Focus;

Thank you so much for all the info and terrific posts!

Please excuse my novice ignorance -- Do you access the Focus Know from the front or rear of the set ?

Thank you.
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post #23 of 144 Old 11-01-2005, 10:03 PM
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Very thoughtful post. Thanks.
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post #24 of 144 Old 11-02-2005, 04:16 AM - Thread Starter
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Quote:


Do you access the Focus Know from the front or rear of the set ?

Read the text in the 2nd attachment of the 17th post. Do you think it is out of focus?

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post #25 of 144 Old 11-03-2005, 09:10 AM - Thread Starter
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There has been some concern regarding the HDMI inpout and removing the back panel. I see no sensor and there is no warning in the SM regarding this.
It's not to say it might not be so, but I can't imagine how/why by just removing a cover would damage a input.

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post #26 of 144 Old 11-03-2005, 07:51 PM
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Quote:
Originally Posted by videobruce View Post

There has been some concern regarding the HDMI inpout and removing the back panel. I see no sensor and there is no warning in the SM regarding this.
It's not to say it might not be so, but I can't imagine how/why by just removing a cover would damage a input.


Note everyone... NEW HDMI port RESET INFO by Cesar Maciel at bottom!!!!. maybe a way to rest HDMI port WITHOUT a service remote.


VideoBruce,

There are several posts referring to some kind of anti-tamper sensor.


There is a mention in the WARING sections of the Z and Q series owners manuals on page7, section12 which says:
This television has a DIGITAL-IN terminal. Opening up the rear of the cabinet will violate the copyright of the program or software shown on the television. Please do not open the rear cabinet.

tvshopper had his light engine replaced, after which the HDMI was required a reset. http://forum.ecoustics.com/cgi-bin/b...645#POST456645

Brett posted that his set had been powered up during a ballast replacement with the back cover off, and the HDMI port being disabled. That the tech had to order a special service remote. http://forum.ecoustics.com/cgi-bin/b...411#POST463411

Anonymous posted he had removed the back of his set to "look under the hood", the tech asking him if had every had the back off.
http://forum.ecoustics.com/cgi-bin/b...463#POST463463


Frank Statton was having a problem with his HDMI input (black screen), the "tech": telling him that if the back had been off, it triggers a sensor that disables the HDMI port.
http://forum.ecoustics.com/cgi-bin/b...992#POST456992


In this post Mr Statton mentions a remote had come in, it being ordered as the tech did not have the service remote. Tech ordered a LP20873-009B Remocon Unit (replaces LP20873-009A) http://forum.ecoustics.com/cgi-bin/b...243#POST459243

In this post Mr Statton says he had a HDMI board failure... Him saying the tech tried to reset the HDMI board by setting the remote code to 03-C6, then... to reset the HDMI, hit the number (3). In his case a board was needed, but that's the rest code the tech used. He said he board would rest, but then it would turn back off after a second or two... so they order a "DVI Module (HDMI board?) http://forum.ecoustics.com/cgi-bin/b...232#POST471232

In this post Mr Statton is referring to a piece of "yellow tape" covering an optical sensor on the LEFT side. http://forum.ecoustics.com/cgi-bin/b...598#POST485598

Here he says him and the tech pulled apart the HDMI unit to try to find some type of sensor, but could not find... Mr Statton saying the yellow tape on the right side now, and now he;s not sure if the tape is covering a sensor, but is afraid tot remove the tape to check.http://forum.ecoustics.com/cgi-bin/b...843#POST488843


Cesar Maciel posted his HDMI port being disabled because of opening the tv AND more importantly a RESET procedure NOT requiring a SERVICE REMOTE, so I will repost his entrie post.: http://forum.ecoustics.com/cgi-bin/b...258#POST500258

"I had the problem with the HDMI port becoming disabled because of opening the TV. Called Best Buy (warranty) and explained to the guy that I needed the reset operation. He informed about needing the service remote control, and said he would call JVC and check the procedure.
He called me later today with a procedure to reset it, using the TV remote control.

Turn the TV on, and enter de Service Menu. Select 2 for Self Check. Then turn the TV off, and after the fan turns off, unplug the power cord. Reconnect the power cord, turn the TV on, and the HDMI port is reenabled.
I tried the procedure and it worked fine. I left the power cord disconnected for 30 sec before reconnecting.
Regards
Cesar"


Got to run... I'm tired after typing up all the above. Hopefully all this HDMI anti-tamper sensor mess is a bunch of BS... That there really isn't a sensor, and that the HDMI rest can be done WITHOUT a service remote.
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post #27 of 144 Old 11-04-2005, 06:30 AM - Thread Starter
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There is a "photo sensor" shown in ther block diagram. That is the closest thing I see to this. I see in this quote" if they took the back off then it triggers a sensor light that freezes the HDMI " that that might be the item. If so, could/would someone remove the back, put tape over the sensor, do that reset, remove the back again and see if that does the trick?

Love to know the reason behind this. Almost as bad as the 4x3 SD 'narrow' mode of the Mits!

Abundant OTA television is what makes this country different from all others. Lets keep it this way.
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post #28 of 144 Old 11-04-2005, 06:36 PM
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I was curious to check my lamp hours on my 52g786 and went to D070 and D071 per instructions on post #1. I have had my set since July 05, about 6 hrs a day. Both registers indicated 00? D044 thru D187 are all 00. Just for the heck of it, when first entering the service manual, I selected 4 thru 9, a lot of interesting stuff there as well. Any mention of those values in CD??
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post #29 of 144 Old 11-05-2005, 06:37 AM - Thread Starter
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Are you referring to the individual settings as in post #15?

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post #30 of 144 Old 11-05-2005, 05:31 PM
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I was referring to post #1 Lamp time 1 and lamp time 2. I went back and pressed [4] in the service menu and then navigated to the D070 register. It read 01, 2nd row= 001 01 0000 0001 , which according to the instructions is 1x256. In register D071 it read 7a, 2nd row= 122 7a 0111 1010 which indicates 122 hrs. So 256 + 122 = 378 hrs. If I got my math right?
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