My '06 2IS NAV unit issues...NOT touchscreen related!
#91
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Join Date: Oct 2018
Location: TX
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This is where i just bought one from. Only took about a week to get here.
https://www.alibaba.com/product-deta...534f4233Qaxn5N
https://www.alibaba.com/product-deta...534f4233Qaxn5N
I've done the repair on the touchscreen with the circuit pen a few months ago, is this repair more or less difficult than that one? That repair took me almost 2 days to complete, but I got it done. I'm trying to gauge if it is worth entertaining an offer to repair it here at a local shop in Houston for $500. Thoughts?
#92
Driver School Candidate
If you're already familiar/comfortable with taking out the navigation/radio unit, then swapping out this part is relatively simple. There's a fair amount of screws, but that's about it.
#95
Driver School Candidate
Is the board you are talking about the one that the digitizer plugs into directly behind the display? I’m having the issue where my display is completely black but my audio still works.
#96
Hi guys, I just wanted to confirm the fix for this problem. This also happened to my Lexus IS250, 2006, EU model, the screen started to reboot at random like the guy in the youtube video @Gville350 who started this thread.
Sometimes the nav unit didn't work at all (no lights on buttons and couldn't turn off the A/C .
The fix was to reflow the CPU on the main navigation board board numbered 462651-0012 (2/2).
After that a thermal compound was applied and the navigation unit works as before, without any reboots, freezes or shut-downs.
Best regards
Sometimes the nav unit didn't work at all (no lights on buttons and couldn't turn off the A/C .
The fix was to reflow the CPU on the main navigation board board numbered 462651-0012 (2/2).
After that a thermal compound was applied and the navigation unit works as before, without any reboots, freezes or shut-downs.
Best regards
#97
Lexus Test Driver
iTrader: (2)
Hi guys, I just wanted to confirm the fix for this problem. This also happened to my Lexus IS250, 2006, EU model, the screen started to reboot at random like the guy in the youtube video @Gville350 who started this thread.
Sometimes the nav unit didn't work at all (no lights on buttons and couldn't turn off the A/C .
The fix was to reflow the CPU on the main navigation board board numbered 462651-0012 (2/2).
After that a thermal compound was applied and the navigation unit works as before, without any reboots, freezes or shut-downs.
Best regards
Sometimes the nav unit didn't work at all (no lights on buttons and couldn't turn off the A/C .
The fix was to reflow the CPU on the main navigation board board numbered 462651-0012 (2/2).
After that a thermal compound was applied and the navigation unit works as before, without any reboots, freezes or shut-downs.
Best regards
Thanks!
Last edited by 2013FSport; 09-13-20 at 11:42 AM.
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2013FSport (09-13-20)
#100
#101
Hi guys, I just wanted to confirm the fix for this problem. This also happened to my Lexus IS250, 2006, EU model, the screen started to reboot at random like the guy in the youtube video @Gville350 who started this thread.
Sometimes the nav unit didn't work at all (no lights on buttons and couldn't turn off the A/C .
The fix was to reflow the CPU on the main navigation board board numbered 462651-0012 (2/2).
After that a thermal compound was applied and the navigation unit works as before, without any reboots, freezes or shut-downs.
Best regards
Sometimes the nav unit didn't work at all (no lights on buttons and couldn't turn off the A/C .
The fix was to reflow the CPU on the main navigation board board numbered 462651-0012 (2/2).
After that a thermal compound was applied and the navigation unit works as before, without any reboots, freezes or shut-downs.
Best regards
#102
I didn't do it myself. I took it to a guy who fixes electronic boards. Told him the symptoms and he already knew what might the problem be. He used a specialized machine which heats the cpu using lasers. The temp was 256 degrees celsius at which he was able to pull the cpu out. Just to be clear I didn't watch the process, this is what he told me. Since he is a friend of mine he didn't want any money for this, but after a long struggle I was able to leave him 20 euros.
My advice is: Take the radio apart if you can because it will cost you less (there are a lots of videos on youtube). But if you don't feel confident just leave it to the "professionals". Find a guy who fixes electronic boards, tell him the symptoms and give him the board. Don't forget to apply thermal compound on the CPU, again if you aren't sure just leave the car to someone else and tell him all of this. It's worth a try.
My advice is: Take the radio apart if you can because it will cost you less (there are a lots of videos on youtube). But if you don't feel confident just leave it to the "professionals". Find a guy who fixes electronic boards, tell him the symptoms and give him the board. Don't forget to apply thermal compound on the CPU, again if you aren't sure just leave the car to someone else and tell him all of this. It's worth a try.
#104
Lexus Test Driver
iTrader: (2)
There are several systems capable of doing this. Old school was hot air reflow systems that focus the hot air right on the BGA chip. Lasers do this very well and can scan an run a pattern using a galvanometer to rapidly move the beam and equally heat the IC.
Unlike a new PCBA going through a wave solder machine, reflow heats the whole component (IC), the solder ***** and circuit board its being soldered too so it's not DIY at home deal with bong torch or anything like that.
First you heat the IC to remove it. Then again to clean it. Then clean the board of old solder, likely apply a solder mask and new solder to board and IC. Then align IC to PCBA and heat it to flow the solder and make 50 to 150 solder connections all at once... Don't quote me on that, as there are new techniques and technology but that's the basic idea.
IC - integrated circuit
PCBA printed circuit board assembly
PCB printed circuit board
BGA Ball Grid Array, where "ball" is a solder ball that mechanically bonds electrical contacts of the IC to the PCBA.
Unlike a new PCBA going through a wave solder machine, reflow heats the whole component (IC), the solder ***** and circuit board its being soldered too so it's not DIY at home deal with bong torch or anything like that.
First you heat the IC to remove it. Then again to clean it. Then clean the board of old solder, likely apply a solder mask and new solder to board and IC. Then align IC to PCBA and heat it to flow the solder and make 50 to 150 solder connections all at once... Don't quote me on that, as there are new techniques and technology but that's the basic idea.
IC - integrated circuit
PCBA printed circuit board assembly
PCB printed circuit board
BGA Ball Grid Array, where "ball" is a solder ball that mechanically bonds electrical contacts of the IC to the PCBA.
#105
Driver School Candidate
Join Date: Oct 2020
Location: California
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@Gville350 I have the same issue. I see that you just installed a 08 Navi to get it going. Do you know if other years that will work with 06? Maybe other member would know as well. For example a 09 Navi unit.
Last edited by momo9767; 10-23-20 at 10:01 AM.
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