Probably something simple, but was playing on Bram Stoker Dracula today and it had not been powered up for a while and the flippers went dead on the buttons and it started doing a ball search and refused to reset.Check
Checked all coils through tests and they were fine, then found F116 on the power driver board (think its 12v 3am SB) was dead, replaced with a new fuse and powered up and it blew immediately.
I am guessing that an opto died, but I didnt realise that a dead opto could cause a fuse to blow on that board?
All other fuses are fine, any ideas/suggestions on troubleshooting this, its makes it hard when you cant even get the fuse to remain live.
What would be best course?
Unplug the connector on the power driver board and replace fuse to ensure it holds up?
Check the opto board (which I assume is under the playfield?)
Chris
On Tuesday, July 26, 2022 at 1:24:11 PM UTC-7, Chris King wrote:
Probably something simple, but was playing on Bram Stoker Dracula today and it had not been powered up for a while and the flippers went dead on the buttons and it started doing a ball search and refused to reset.
Checked all coils through tests and they were fine, then found F116 on the power driver board (think its 12v 3am SB) was dead, replaced with a new fuse and powered up and it blew immediately.
I am guessing that an opto died, but I didnt realise that a dead opto could cause a fuse to blow on that board?
All other fuses are fine, any ideas/suggestions on troubleshooting this, its makes it hard when you cant even get the fuse to remain live.
What would be best course?
Unplug the connector on the power driver board and replace fuse to ensure it holds up?
Check the opto board (which I assume is under the playfield?)
ChrisCheck
On 7/26/2022 3:24 PM, Chris King wrote:
Probably something simple, but was playing on Bram Stoker Dracula today and it had not been powered up for a while and the flippers went dead on the buttons and it started doing a ball search and refused to reset.
Checked all coils through tests and they were fine, then found F116 on the power driver board (think its 12v 3am SB) was dead, replaced with a new fuse and powered up and it blew immediately.
I am guessing that an opto died, but I didnt realise that a dead opto could cause a fuse to blow on that board?
All other fuses are fine, any ideas/suggestions on troubleshooting this, its makes it hard when you cant even get the fuse to remain live.
What would be best course?
Unplug the connector on the power driver board and replace fuse to ensure it holds up?
Check the opto board (which I assume is under the playfield?)
ChrisThe schematics show that F116 powers connector pin J118-2 on the Power Driver Board. The game manual shows J118-2 connected with a gray-yellow
wire to 24-opto board J3-5 and 10-opto board J3-2. Disconnecting those
one at a time should isolate the board with the short.
Pages 3-23 and 3-24 in the game manual show the schematic for the two boards. On there you can see the output connectors. Disconnecting the outputs and reconnecting one at a time will narrow the short down further.
This is a case where a clip-on circuit breaker helps to save a lot of fuses.
- Kerry
Probably something simple, but was playing on Bram Stoker Dracula today and it had not been powered up for a while and the flippers went dead on the buttons and it started doing a ball search and refused to reset.
Checked all coils through tests and they were fine, then found F116 on the power driver board (think its 12v 3am SB) was dead, replaced with a new fuse and powered up and it blew immediately.
I am guessing that an opto died, but I didnt realise that a dead opto could cause a fuse to blow on that board?
All other fuses are fine, any ideas/suggestions on troubleshooting this, its makes it hard when you cant even get the fuse to remain live.
What would be best course?
Unplug the connector on the power driver board and replace fuse to ensure it holds up?
Check the opto board (which I assume is under the playfield?)
Chris
On Wednesday, 27 July 2022 at 13:29:44 UTC+1, Kerry Imming wrote:
On 7/26/2022 3:24 PM, Chris King wrote:
Probably something simple, but was playing on Bram Stoker Dracula today and it had not been powered up for a while and the flippers went dead on the buttons and it started doing a ball search and refused to reset.The schematics show that F116 powers connector pin J118-2 on the Power
Checked all coils through tests and they were fine, then found F116 on the power driver board (think its 12v 3am SB) was dead, replaced with a new fuse and powered up and it blew immediately.
I am guessing that an opto died, but I didnt realise that a dead opto could cause a fuse to blow on that board?
All other fuses are fine, any ideas/suggestions on troubleshooting this, its makes it hard when you cant even get the fuse to remain live.
What would be best course?
Unplug the connector on the power driver board and replace fuse to ensure it holds up?
Check the opto board (which I assume is under the playfield?)
Chris
Driver Board. The game manual shows J118-2 connected with a gray-yellow
wire to 24-opto board J3-5 and 10-opto board J3-2. Disconnecting those
one at a time should isolate the board with the short.
Pages 3-23 and 3-24 in the game manual show the schematic for the two
boards. On there you can see the output connectors. Disconnecting the
outputs and reconnecting one at a time will narrow the short down further. >>
This is a case where a clip-on circuit breaker helps to save a lot of fuses. >>
- Kerry
Thanks Kerry, somewhere in the depth under piles of stuff I think i have a replacement Opto Board from a broken up Dracula which i got given to me by a friend over 20 years back, along with all sorts of other parts (ramps, plastics), no idea where itis!. Anyway, it is / was the larger opto board, and in the interim and until I know where it is, I have ordered the main opto board new from an online supplier which should be here in then next 7-10 days from Europe. As I didnt have any 3amp SB (I had
I think the first course here is to disconnect J118-2 and replace the fuse to ensure the power driver board doesnt blow the fuse with nothing connected.what I have written seem the correct solution and work flow?
I am guessing then that J118-2 feeds J3-5 AND J3-2, so disconnecting both and replacing the fuse on J118-2 should keep the fuse live, then if that is stable, when the circuit breaker arrives I can use this to isolate if its "J3-5" or "J3-2" ----- is
Chris
On 7/27/2022 8:05 AM, Chris King wrote:
On Wednesday, 27 July 2022 at 13:29:44 UTC+1, Kerry Imming wrote:
On 7/26/2022 3:24 PM, Chris King wrote:
Probably something simple, but was playing on Bram Stoker Dracula today and it had not been powered up for a while and the flippers went dead on the buttons and it started doing a ball search and refused to reset.The schematics show that F116 powers connector pin J118-2 on the Power
Checked all coils through tests and they were fine, then found F116 on the power driver board (think its 12v 3am SB) was dead, replaced with a new fuse and powered up and it blew immediately.
I am guessing that an opto died, but I didnt realise that a dead opto could cause a fuse to blow on that board?
All other fuses are fine, any ideas/suggestions on troubleshooting this, its makes it hard when you cant even get the fuse to remain live.
What would be best course?
Unplug the connector on the power driver board and replace fuse to ensure it holds up?
Check the opto board (which I assume is under the playfield?)
Chris
Driver Board. The game manual shows J118-2 connected with a gray-yellow >> wire to 24-opto board J3-5 and 10-opto board J3-2. Disconnecting those
one at a time should isolate the board with the short.
Pages 3-23 and 3-24 in the game manual show the schematic for the two
boards. On there you can see the output connectors. Disconnecting the
outputs and reconnecting one at a time will narrow the short down further.
This is a case where a clip-on circuit breaker helps to save a lot of fuses.
- Kerry
is!. Anyway, it is / was the larger opto board, and in the interim and until I know where it is, I have ordered the main opto board new from an online supplier which should be here in then next 7-10 days from Europe. As I didnt have any 3amp SB (I hadThanks Kerry, somewhere in the depth under piles of stuff I think i have a replacement Opto Board from a broken up Dracula which i got given to me by a friend over 20 years back, along with all sorts of other parts (ramps, plastics), no idea where it
what I have written seem the correct solution and work flow?I think the first course here is to disconnect J118-2 and replace the fuse to ensure the power driver board doesnt blow the fuse with nothing connected.
I am guessing then that J118-2 feeds J3-5 AND J3-2, so disconnecting both and replacing the fuse on J118-2 should keep the fuse live, then if that is stable, when the circuit breaker arrives I can use this to isolate if its "J3-5" or "J3-2" ----- is
I was referring to check the opto board but hit sent before message was done. Glad you got it figured out without any interruptions from these dumbass druggie posters who try to ruin the groupChris
Yes, sounds good. Also, I would pull J1 & J2 on the opto boards to make
sure that it's the opto board itself that is blowing the fuse and not something further down stream.
- Kerry
On Wednesday, July 27, 2022 at 9:08:23 AM UTC-7, Kerry Imming wrote:
On 7/27/2022 8:05 AM, Chris King wrote:
On Wednesday, 27 July 2022 at 13:29:44 UTC+1, Kerry Imming wrote:
On 7/26/2022 3:24 PM, Chris King wrote:
Probably something simple, but was playing on Bram Stoker Dracula today and it had not been powered up for a while and the flippers went dead on the buttons and it started doing a ball search and refused to reset.The schematics show that F116 powers connector pin J118-2 on the Power >> Driver Board. The game manual shows J118-2 connected with a gray-yellow >> wire to 24-opto board J3-5 and 10-opto board J3-2. Disconnecting those >> one at a time should isolate the board with the short.
Checked all coils through tests and they were fine, then found F116 on the power driver board (think its 12v 3am SB) was dead, replaced with a new fuse and powered up and it blew immediately.
I am guessing that an opto died, but I didnt realise that a dead opto could cause a fuse to blow on that board?
All other fuses are fine, any ideas/suggestions on troubleshooting this, its makes it hard when you cant even get the fuse to remain live.
What would be best course?
Unplug the connector on the power driver board and replace fuse to ensure it holds up?
Check the opto board (which I assume is under the playfield?)
Chris
Pages 3-23 and 3-24 in the game manual show the schematic for the two >> boards. On there you can see the output connectors. Disconnecting the >> outputs and reconnecting one at a time will narrow the short down further.
This is a case where a clip-on circuit breaker helps to save a lot of fuses.
- Kerry
it is!. Anyway, it is / was the larger opto board, and in the interim and until I know where it is, I have ordered the main opto board new from an online supplier which should be here in then next 7-10 days from Europe. As I didnt have any 3amp SB (I hadThanks Kerry, somewhere in the depth under piles of stuff I think i have a replacement Opto Board from a broken up Dracula which i got given to me by a friend over 20 years back, along with all sorts of other parts (ramps, plastics), no idea where
is what I have written seem the correct solution and work flow?I think the first course here is to disconnect J118-2 and replace the fuse to ensure the power driver board doesnt blow the fuse with nothing connected.
I am guessing then that J118-2 feeds J3-5 AND J3-2, so disconnecting both and replacing the fuse on J118-2 should keep the fuse live, then if that is stable, when the circuit breaker arrives I can use this to isolate if its "J3-5" or "J3-2" -----
I do have a crap load of slo-blo assorted amp fuses I'm not using. I got a steal on them when my local radio shack went out of business a couple years ago i think there 4 to a pack.. if interested pm meChris
Yes, sounds good. Also, I would pull J1 & J2 on the opto boards to make sure that it's the opto board itself that is blowing the fuse and not something further down stream.
- KerryI was referring to check the opto board but hit sent before message was done. Glad you got it figured out without any interruptions from these dumbass druggie posters who try to ruin the group
On Wednesday, July 27, 2022 at 9:38:28 AM UTC-7, diana anderson wrote:
On Wednesday, July 27, 2022 at 9:08:23 AM UTC-7, Kerry Imming wrote:
On 7/27/2022 8:05 AM, Chris King wrote:
On Wednesday, 27 July 2022 at 13:29:44 UTC+1, Kerry Imming wrote:
On 7/26/2022 3:24 PM, Chris King wrote:
Probably something simple, but was playing on Bram Stoker Dracula today and it had not been powered up for a while and the flippers went dead on the buttons and it started doing a ball search and refused to reset.The schematics show that F116 powers connector pin J118-2 on the Power
Checked all coils through tests and they were fine, then found F116 on the power driver board (think its 12v 3am SB) was dead, replaced with a new fuse and powered up and it blew immediately.
I am guessing that an opto died, but I didnt realise that a dead opto could cause a fuse to blow on that board?
All other fuses are fine, any ideas/suggestions on troubleshooting this, its makes it hard when you cant even get the fuse to remain live.
What would be best course?
Unplug the connector on the power driver board and replace fuse to ensure it holds up?
Check the opto board (which I assume is under the playfield?)
Chris
Driver Board. The game manual shows J118-2 connected with a gray-yellow
wire to 24-opto board J3-5 and 10-opto board J3-2. Disconnecting those
one at a time should isolate the board with the short.
Pages 3-23 and 3-24 in the game manual show the schematic for the two >> boards. On there you can see the output connectors. Disconnecting the >> outputs and reconnecting one at a time will narrow the short down further.
This is a case where a clip-on circuit breaker helps to save a lot of fuses.
- Kerry
where it is!. Anyway, it is / was the larger opto board, and in the interim and until I know where it is, I have ordered the main opto board new from an online supplier which should be here in then next 7-10 days from Europe. As I didnt have any 3amp SB (Thanks Kerry, somewhere in the depth under piles of stuff I think i have a replacement Opto Board from a broken up Dracula which i got given to me by a friend over 20 years back, along with all sorts of other parts (ramps, plastics), no idea
is what I have written seem the correct solution and work flow?I think the first course here is to disconnect J118-2 and replace the fuse to ensure the power driver board doesnt blow the fuse with nothing connected.
I am guessing then that J118-2 feeds J3-5 AND J3-2, so disconnecting both and replacing the fuse on J118-2 should keep the fuse live, then if that is stable, when the circuit breaker arrives I can use this to isolate if its "J3-5" or "J3-2" -----
I Got 87 Packs OF (5) assorted amps slow Blo fuses from 1 1/4 amp to 15-amp 250V at a whopping .42cents a pack. I saved over $444.99. I still have my receipt Total sale was only $56.84 when radio shack had there close out of business sale in 2017..Chris
Yes, sounds good. Also, I would pull J1 & J2 on the opto boards to make sure that it's the opto board itself that is blowing the fuse and not something further down stream.
I do have a crap load of slo-blo assorted amp fuses I'm not using. I got a steal on them when my local radio shack went out of business a couple years ago i think there 4 to a pack.. if interested pm me- KerryI was referring to check the opto board but hit sent before message was done. Glad you got it figured out without any interruptions from these dumbass druggie posters who try to ruin the group
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