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(Topic ID: 172197)

Data East Hook coil issue

By futurepinhead

7 years ago


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  • Hook Data East, 1992

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Data_East_Flipper_Board_520-5033-00_schematic.pdf (PDF preview)
Data_East_Hook_Tech_Chart.pdf (PDF preview)
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#1 7 years ago
OP
 
JDN

futurepinhead

Pinside member

12y 76,800 3,358 25

I screwed up and wired a new flipper coil incorrectly by flip flopping the wires. I fried quite a bit of stuff. I started by replacing the flipper board with a Rottendog, but those fuses blew too. I traced it down to the diodes on both flipper coils being busted at the coil. After replacing those, when I turn it on the flippers lock on and stay on until the fuse at the flipper board blows.

Also, not sure if this is related, but the Knocker is also being locked on at start up. I'm not sure if this is related because when I got the game I had the wrong coil in the flipper and missing the knocker altogether so I added the knocker the same time as the flipper so the Knocker might have been missing because it was easier for an operator to remove it altogether.

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#2 7 years ago
 
DAV

wayout440

Pinside member

US Berea, OH

11y 113K 11,264 3 12

I'd treat the knocker problem as a separate problem. One possible cause is the knocker may have a coil mounted diode that cracked from all the impacts, then it can no longer protect the driving transistor from damage.
see "Testing TIP122/102 Transistor and Down-Stream Wiring/Coil"
http://techniek.flipperwinkel.nl/desega/index2.htm#trans

Sounds like the coil diode problem blew the replacement board before you have a chance to notice diodes were busted.

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#3 7 years ago
OP
 
JDN

futurepinhead

Pinside member

12y 76,800 3,358 25

Quoted from wayout440:

I'd treat the knocker problem as a separate problem. One possible cause is the knocker may have a coil mounted diode that cracked from all the impacts, then it can no longer protect the driving transistor from damage.
see "Testing TIP122/102 Transistor and Down-Stream Wiring/Coil"
http://techniek.flipperwinkel.nl/desega/index2.htm#trans
Sounds like the coil diode problem blew the replacement board before you have a chance to notice diodes were busted.

I agree with all of that. The Rottendog flipper board has fuses before the transistors so I was hoping the fuses caught it before the transistors got hit but I am not for sure on that. Also, do you know if the flipper coils are in the 1-8 or the 9-16 spot of the MPU board? I could not find it in the manual at all.

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#4 7 years ago
 
DAV

wayout440

Pinside member

US Berea, OH

11y 113K 11,264 3 12

Does this help?

untitled (resized).JPGuntitled (resized).JPG

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#5 7 years ago
 
INK

Inkochnito

Pinside member

NL Piershil

12y 91,650 3,167 12

For the knocker check Q5 on the PPB.
Flipper coil transistors are on the SSFB (Solid State Flipper Board) inside the cabinet (left side).

This might also help:

Data_East_Hook_Tech_Chart.pdfData_East_Hook_Tech_Chart.pdf

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#6 7 years ago
OP
 
JDN

futurepinhead

Pinside member

12y 76,800 3,358 25

One question I would have is, if the transistor on the flipper board was blown, would that cause the flipper be stuck on? Or is their a transistor on the CPU or the PPB driving the Flipper board?

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#7 7 years ago
 
KAM

kvan99

Pinside member

12y 97,050 6,029 10

Yes....the flippers locking on is a sign that the transistors on the flipper board are burned. But no worries, hope you're handy with a soldering iron..it's easy. clip the legs off, heat them up one by one and pull them out. then use a solder sucker and heat the hole (be careful don't over do it) and suck out the solder. If it not completely clean a good trick is to use a toothpick, heat the hole and insert the toothpick and turn. Next put in the new transistor bend the legs so it stays put, heat and apply solder, then clip the legs..and Bob's your uncle.

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#8 7 years ago
OP
 
JDN

futurepinhead

Pinside member

12y 76,800 3,358 25

Quoted from kvan99:

Yes....the flippers locking on is a sign that the transistors on the flipper board are burned. But no worries, hope you're handy with a soldering iron..it's easy. clip the legs off, heat them up one by one and pull them out. then use a solder sucker and heat the hole (be careful don't over do it) and suck out the solder. If it not completely clean a good trick is to use a toothpick, heat the hole and insert the toothpick and turn. Next put in the new transistor bend the legs so it stays put, heat and apply solder, then clip the legs..and Bob's your uncle.

I'm definitely good soldering, I just don't know which transistors are going to be the bad ones. I had heard that there are Transistors for the flippers on the CPU, the PPU and the Flipper board. So I guess I need to learn how to read a transistor now.

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#9 7 years ago
 
KAM

kvan99

Pinside member

12y 97,050 6,029 10

From Clay's guide:

If the Flipper(s) Don't Work at All...
Solidstate Flipper games:
Check the flipper fuses. For solidstate flippers (Robocop and later), the fuses are on the solidstate flipper board, which is on the side of the cabinet under the playfield.
On solidstate flipper games (Robocop and later), look for damage on the solidstate flipper boards. Since these boards are located below the playfield on the left side of the cabinet wall, they are very easily damaged. A common problem is a broken or open TIP36 or TIP42 transistor on the solidstate flipper board.
PS: if I remember correctly the transistors were TIP36s....you can buy them on ebay. Check the number on the board anyway before you do. Also time to break out the manual and familiarize yourself on how to read it. You can google it and download a copy if you don't already have one.

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#10 7 years ago
OP
 
JDN

futurepinhead

Pinside member

12y 76,800 3,358 25

Quoted from Inkochnito:

For the knocker check Q5 on the PPB.
Flipper coil transistors are on the SSFB (Solid State Flipper Board) inside the cabinet (left side).
This might also help:

This chart is really helping me. I need to forget what I read earlier on another site because it is just confusing me. According to this, the flippers are basically only ran on the flipper board. This makes sense with what everyone is telling me here. It looks like each coil has 3 transistors on the flipper board. So I will just research this more tonight.

Thanks guys.

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#11 7 years ago
 
INK

Inkochnito

Pinside member

NL Piershil

12y 91,650 3,167 12

Here is a nice Flipper Board schematic....

Data_East_Flipper_Board_520-5033-00_schematic.pdfData_East_Flipper_Board_520-5033-00_schematic.pdf

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