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Chase HQ Restoration

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myPinballs View Drop Down
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    Posted: 13 Jan 2022 at 11:48am
Restoring a Chase HQ cabinet at the moment. Lots of pics, parts and repairs to share. 

First up cabinet redecal (artwork from olly)

Before



Removal



Install


Completed

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Post Options Post Options   Thanks (0) Thanks(0)   Quote chris2922 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jan 2022 at 1:29pm
Great work, lovely result
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Kev A Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jan 2022 at 1:33pm
Looks great! was the blue t-moulding original? really suits it.
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Post Options Post Options   Thanks (1) Thanks(1)   Quote myPinballs Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jan 2022 at 1:41pm
Blue t moulding was my idea. Originally it was std black which I thought looked a bit boring!
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Post Options Post Options   Thanks (1) Thanks(1)   Quote chris2922 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jan 2022 at 2:20pm
I get too obsessed with keeping the look original. Sometimes as you have shown it doesn’t hurt to change things up a bit!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote myPinballs Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jan 2022 at 2:29pm
Next up, marquee light and speaker panel.

Original one was pretty nasty so spent awhile sourcing some new parts. Even though this part is hidden i could not just leave it!! Managed to source exact ballast, tube (T5 8W), metal clips, better speakers (8 ohm), new black screws, silver reflective card

Also found out that electrocoin had wired the speakers backwards from factory so fixed that to!!.

Before (notice the use of tin foil, lol)



After



Both siren bulbs were wrong originally meaning the lamps didn't light up so changed them for brighter flasher type bulbs and now work a treat, though i am tempted to maybe make some better led pcbs for them maybe.




Edited by myPinballs - 13 Jan 2022 at 2:35pm
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Post Options Post Options   Thanks (1) Thanks(1)   Quote strykr Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jan 2022 at 2:33pm
How dare you change the t molding colour!!!






P.s Blue looks awesome, makes the side art pop, nice work
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Post Options Post Options   Thanks (0) Thanks(0)   Quote stevebm1 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jan 2022 at 5:24pm
love chase hq,well done if yours has intact steering springs to centre the wheel,as most are fooked,luckily there is a 360 degree option to get round this,enabled via dipswitch on the pcb
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Post Options Post Options   Thanks (0) Thanks(0)   Quote myPinballs Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jan 2022 at 7:24pm
Originally posted by stevebm1 stevebm1 wrote:

love chase hq,well done if yours has intact steering springs to centre the wheel,as most are fooked,luckily there is a 360 degree option to get round this,enabled via dipswitch on the pcb


Yes cheers mate, that was the main reason to buy it originally the cpo is in good nick and the steering wheel is original no hacks taito badge present and all springs intact :)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote myPinballs Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2022 at 5:22pm
Monitor time! This was a serious labour of love!

First of all had a look over it once removed and it looked like it started life as a hanterex polo and then at some point the analogue board was replaced for a kortex ktn20.

The picture was missing red, was on the slant, was blurred, was too far to the left and was dim! The missing red turned out to be on the pcb board which i will get to later.

Picture on screen as arrived



Monitor as arrived when removed



Decided the best thing to do was, strip it down, do a full cap rebuild, new HOT, new flyback and see what it was like then

Stripdown



Cleaned, and new parts fitted





This gave me this picture and a new issue with warm up and it taking 5 minutes to come on! Slightly disappointing to say the least@



After much messing about with adjustments and settings, test screens i worked out the green level was way out and all other settings needed some tweaks.

This gave me this. Better picture but still on a slant and still taking 5 mins to warm up



Monitor back out again!! Spent ages trying to work out what could cause the last 2 issues. Monitor yoke was factory position so i could not understand why it was slanted. Also took a look at the b+ pot on the pcb which was not easy as its glued in position. Once removed and on the bench i realised it was not working correctly.

The schematic said 2K, the pot on the board was 3K stamped and it read 4K!!!!!!!!!
I determined that at its setting of middle it was in fact like a 2K pot at max.

Replaced it, monitor back in and instantly on!! Nice

Back to the slant problem, monitor back out again!. Read up on twisting yokes slightly by releasing the clamp and rubber spacers. Sounded super scary, but no balls, no glory! So went for it and wasn't that bad to be honest, if taking your time

Final results




Edited by myPinballs - 14 Jan 2022 at 5:30pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote chris2922 Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2022 at 6:07pm
Great work, picture looks spot-on
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Wall_Street Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2022 at 7:22pm
great job. It reminds me that I need to get back to mine. Can you post some pictures of the steering mechanism please with the springs and retainers etc as mine is missing that and freely spins. Ideally I’d like to fix that if possible.

Many thanks
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DaveR Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2022 at 9:40pm
Wow - this is fantastic.  I am doing the same cabinet build, rebuilding it from scratch almost - mine has aged with moisture, so what thickness ? 18mm? Mine was measuring all over the place.  Will actually be working on it in the next few weeks
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Post Options Post Options   Thanks (0) Thanks(0)   Quote big10p Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2022 at 9:54pm
Nice. How did you clean the chassis? It looks like it's been through the dish washer. Smile
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Post Options Post Options   Thanks (0) Thanks(0)   Quote myPinballs Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2022 at 10:35pm
Originally posted by big10p big10p wrote:

Nice. How did you clean the chassis? It looks like it's been through the dish washer. Smile


I use an ultrasonic cleaner with water & degreaser and low ish heat. Use that process on loads of pcbs to remove the years of dirt and dust etc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote myPinballs Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2022 at 10:36pm
Originally posted by Wall_Street Wall_Street wrote:

great job. It reminds me that I need to get back to mine. Can you post some pictures of the steering mechanism please with the springs and retainers etc as mine is missing that and freely spins. Ideally I’d like to fix that if possible.

Many thanks


Sure no problem I can add some of the steering mech
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Post Options Post Options   Thanks (1) Thanks(1)   Quote r-type Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jan 2022 at 10:20am
That's lovely Jim, top work!
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Post Options Post Options   Thanks (1) Thanks(1)   Quote 2huwman Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jan 2022 at 2:47pm
Looks great Jim. Excellent game. Was my first in and will be the last out!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote myPinballs Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jan 2022 at 4:28pm
Originally posted by r-type r-type wrote:

That's lovely Jim, top work!

Thanks mate :)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote myPinballs Quote  Post ReplyReply Direct Link To This Post Posted: 16 Jan 2022 at 7:01pm
Couple of new cabinet items. 

Resprayed the bezel supports and recovered the foam protection as the old was deteriorated and nasty draft excluder stuff. This new stuff is black (not white like the original) and neoprene soft foam, 2mm thick. Used black screws for mounting them to the cabinet so as to blend in better.

Also, installed the awesome cardboard monitor surround that olly cut out for me to my design. The old one was warped, stained and generally nasty. This covers up the mounting bolts for the monitor when the bezel glass is back in position.






Edited by myPinballs - 16 Jan 2022 at 7:05pm
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