(Topic ID: 54503)

Black Knight Club...Members Only!


By mof

7 years ago



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  • Latest reply 8 days ago by PSchmitz
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There are 2276 posts in this topic. You are on page 46 of 46.
#2251 49 days ago
Quoted from vec-tor:

Ball Shooter Lane Feeder
pg. 2-18
item #5.
A-8050-1 Coil Plunger Assy, 2-1/8"

Thanks!!

#2252 48 days ago

My lower flippers are weak. I did rebild them a few years ago and that did help slightly but I gave up at that point. I know they can be better as I played one at Funspot that worked way better.. Is there possible something else wrong? could I unwind the coils or buy more powerful ones? when I rebuild the flippers I also cleaned the flipper button switches. Thanks

#2253 47 days ago
Quoted from Farmboss:

My lower flippers are weak. I did rebild them a few years ago and that did help slightly but I gave up at that point. I know they can be better as I played one at Funspot that worked way better.. Is there possible something else wrong? could I unwind the coils or buy more powerful ones? when I rebuild the flippers I also cleaned the flipper button switches. Thanks

Do you have the right coils? Sometimes people put in 50v ones by mistake. There are no more powerful options available than what's stock

Try repinning all the connectors involved in the chain powering the flippers?

#2254 46 days ago

I unplugged all connectors between backbox and head and sprayed them with contact cleaner.

Now I have created a different problem. The lower left drop target works but does not register counting the number of times triggered. The three indicator lights do work in attract mode.

In addition both magna saves appear to work but the magnet does not power on when button is pressed.

#2255 45 days ago
Quoted from Farmboss:

I unplugged all connectors between backbox and head and sprayed them with contact cleaner.
Now I have created a different problem. The lower left drop target works but does not register counting the number of times triggered. The three indicator lights do work in attract mode.
In addition both magna saves appear to work but the magnet does not power on when button is pressed.

For the magnet, usually that's a sign that the red/white ground wire was not attached to the threaded lug in the head box.

With the drop targets, I'd start with going into switch test mode and verify if each individual target is registering properly. May just need an adjustment or cleaning on one of the leaf switches.

-Hans

#2256 45 days ago

Hans you were spot on! I fished around and found the red and white wire it must have fallen off. On the drop targets when inspecting the leaf switch I discover a wire was completely missing and that fixed that. Funny I have had the game for at least five years and never noticed it before.

Thanks again!

#2257 44 days ago

Glad it was an easy fix! We've all done it at least twice.

-Hans

#2258 44 days ago
Quoted from HHaase:

Glad it was an easy fix! We've all done it at least twice.
-Hans

Indeed!

#2259 44 days ago

Best place/price to get a new driver board? Easiest fix for my game. Works with a Gorgar board installed.

#2260 44 days ago

I'll sell the original driver board if someone else wants to figure out why it has an easy mode hack.

#2261 39 days ago

Black Knight (1980) - Function menu issues / Settings jumping

For instance when I set Function 37 (Multi-ball difficulty) to “0” (Liberal) then exit the menu and start a game the track lighting for ball lock will not be running. This indicates the difficulty is set higher than “0”. So when I go back into the function menu 37 has jumped to “10”. So to offset this I will set it to “90” so upon jumping it will be a t “0” and the track lights work. Unfortunately this isn’t the only setting that jumps and offset settings only save until I go back into the function menu or they randomly decide to jump some more. Also upon starting a game the settings will jump for each player added (10,20,30,40) up to four players. Also concerning other settings that jump besides 37, some jump 1, 10, or several hundreds or thousands. Other than this function jumping issue everything with the game works as it should.

Any help in the right direction is greatly appreciated!

big70

#2262 35 days ago

By any chance does someone have a schematic of the driver board? Save me from pulling board and testing path with meter it would be appreciated.

My jet bumper is not working on upper playfield. Coil fires in test mode. No switch errors. Continuity test switch at bumper and confirmed open/closed.

Pulled back glass disconnected special solenoid connector and can apply ground at pin and pop bumper works.

No blown fuses or warm to touch or melted transistors visible. Game plays fine otherwise.

#2263 35 days ago
Quoted from Mtkst19:

Pulled back glass disconnected special solenoid connector and can apply ground at pin and pop bumper works.

You mean, 2j13? if coil works in test mode and via grounding 2j13 then either the spoon switch isn't grounded or the connection from the spoon switch to 2j13 is broken somewhere

#2264 35 days ago
Quoted from zacaj:

You mean, 2j13? if coil works in test mode and via grounding 2j13 then either the spoon switch isn't grounded or the connection from the spoon switch to 2j13 is broken somewhere

Correct- pulled 2j13 that runs flippers/jet bumper. Can ground pin and respective coil fires.

Did not check voltages at spoon switch. Just tested if switch was open/closing with multimeter while game was off. When I get home I'll sort through diagram.

#2265 35 days ago

Two weird things happened with my BK in the last two weeks for the first time in 30 years of owning it.
#1 - Something actually broke. CPU started locking up in the middle of a game sometimes but would never malfunction in attract or diag tests and always booted fine. Reseating things and replacing the old caps on the power board and the one small electrolytic on the CPU board didn't help. Then one game the solenoid fuse blew even though when it occurred there were no coils erroneously firing off or locking on. Read some repair tips and figured out it was just a diode on an upper flipper that had totally exploded, just the insides left flopping around but the flipper still worked. Read a tip that a bad diode can cause in-play resets. Solved!
#2 - I was playing after it was fixed and the ball lock was empty but lit, and was trying to hit the lit ex. ball switch with the upper right flipper and managed to lock the ball from UNDER the trough. It was so weird that at first I was like 'what the hell just happened?' I bet I couldn't do that again on purpose in a million more years.

#2266 35 days ago

Update to my pop bumper issue. Pin drag issue at power supply on connector 3j3 was my issue.

Game is back to 100%

#2267 34 days ago

I just listed a nice, clean system 7 mpu here on pinside if anyone is looking:

https://pinside.com/pinball/market/classifieds/ad/97277

1 week later
#2268 27 days ago

You can tell BK is an early speech game not only because of the limited vocabulary but how they had to 'cheat' a little bit. Like how when he says "THREE ENEMIES" the 'three' is really just 'the' with a soft 'th' and an R sort of stuck in the middle so it sounds more like "THLEE". And 'against' sounds like 'again' with just a little bit of 's' at the end. Would be interesting to know exactly how the software assembles all the syllables and consonants in some of the words like fight and right if the word 'knight' is on one chip but F and R are on another, is it somehow chopping the KN off and putting L or R in front instead?

#2269 27 days ago

CPR vs Micro Playfield:

I was wondering who here had experience with the BK playfiled from Micro. Are they good quality? I just saw an add for one here and then went to their website which seems to not have pictures of most of what they are offering. They seem to be duplicating a bunch of what CPR has already done, which doesn't seem like it helps the community much. Just wondering what peoples thoughts are.

I have CPR Silver Knight Edition #35 so I'm partial to CPR.

#2270 27 days ago
Quoted from EilersPark:

CPR vs Micro Playfield:
I was wondering who here had experience with the BK playfiled from Micro. Are they good quality? I just saw an add for one here and then went to their website which seems to not have pictures of most of what they are offering. They seem to be duplicating a bunch of what CPR has already done, which doesn't seem like it helps the community much. Just wondering what peoples thoughts are.
I have CPR Silver Knight Edition #35 so I'm partial to CPR.

I've never seen the Mirco version in person so I can't help you there. The thing that is attractive to me regarding the Mirco is they used jeweled inserts like the original. CPR used common modern starburst inserts. I have a CPR as well and it sure is beautiful.

#2271 27 days ago
Quoted from frenchmarky:

You can tell BK is an early speech game not only because of the limited vocabulary but how they had to 'cheat' a little bit. Like how when he says "THREE ENEMIES" the 'three' is really just 'the' with a soft 'th' and an R sort of stuck in the middle so it sounds more like "THLEE". And 'against' sounds like 'again' with just a little bit of 's' at the end. Would be interesting to know exactly how the software assembles all the syllables and consonants in some of the words like fight and right if the word 'knight' is on one chip but F and R are on another, is it somehow chopping the KN off and putting L or R in front instead?

They were really limited by the ROM space they had on the speech board so they had to stitch some "samples" together to increase the vocabulary.

The information on what words are in which ROM is near the end of the instruction booklet (pasted below).

Vocabulary Located in ROM
KNIGHT 5T5001 (IC7)
BLACK 5T5001
DEFEND 5T5001
CHALLENGE 5T5001
THEE (THE) 5T5002 (IC5)
WILL 5T5002
YOU 5T5002
I 5T5002
AGAIN 5T5002 AND 5T5003(IC6)
SLAY 5T5003
CANNOT 5T5003
SELF 5T5003
ENEMY 5T5003 AND 5T5004(IC4)

The IC4 Speech ROM contains Laughter and "F" and "R" sounds. The Laughter, "F" and "R" sound, and the following partial or composite words produced in game play are not produced in diagnostics.
WIN
ME
TO(TWO)
AGAINST
ENEMIES
THYSELF
FIGHT
RIGHT
THREE
AND
MY

1 week later
#2272 16 days ago

Found this key chain while cleaning. I don’t have a BK so passing it on to someone that does.

Free to the first person to PM me!
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#2273 11 days ago

I'm not really into toppers but lots of folks are and I saw a ton of these things on Ebay. Vintage AM radios that looks like a knight in armor. The one on a horse even has a feather on top. On the 'head' one you could move the large shield to the bottom half so it would look even more like the BK. Stick a couple of red LEDs in his eyes. And they already have speakers in 'em so could wire that to the game's sound. I wonder if it's possible to extract only the speech track from the sound/speech board, since it is able to control the volume of each one via the volume pot on the board. Run that directly to a separate volume pot and then to the radio's speaker, or snip the IF of the radio and run it to its amplifier section. Hey nobody else wants these old things so might be a good use for them.

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#2274 9 days ago

Got my 2nd BK a few days ago- in a trade- cabinet is ok, bg was whipped, came with CPR playfields and rottendog boards- Power supply board was not quite right had get a different rottendog for that, bg and plastics coming from CPR- does boot. I always regretted selling my first one. already have new legs and bolts, etc. Looking forward to this project- going to be better than new when done- I am hoping to touch up and not repaint the cabinet its only original once

#2275 8 days ago
Quoted from PSchmitz:

came with CPR playfields and rottendog boards

I will be interested in hearing how the Rottendog boards work. There are supposedly problems in Black Knight. I have a set I purchased a long time ago, but have not had to install them.

#2276 8 days ago

well... my understanding is that some part became unavailable which led to said issue- mine does have black knight screened on the rottendog board and it does come upp and do attract mode so maybe its an earlier board? At this point I need help from the black knight community- I have 2 issues- no sound and no unswitched GI- I want to go after the GI first-on the power supplu the GI connector has been hacked- it is missing a pin so is now only 8 pin and there are 3 wires just hanging there and I have no GI- I know this is when williams startede looping the GI wires on connectors- Can someone please send me a close clear pic of the female GI connector on the power supply and help me unhack it? Sound- no static, no hum- even if it was rottendog mpu issue I should hear hum. AC in is good and it is regulating both 12s and 5. I am guessing 5 pin amp transistor, going to look with logic probe and see if signals are coming in, but I want to get the GI knocked out. Can someone please take a few pics and help me unhack the GI- obviously since all lights are out those must be the returns. Thanks

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There are 2276 posts in this topic. You are on page 46 of 46.

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