Pachinko Interface connections

[compirate]

Calling all you electrical geniousessess!

Any idea what the pin designations are and what the interface type would be for the 6 pin phone line connector on the back of all modern pachinkos? I've got the same thing on the back of card readers also.

The other pic is of the 25 pin card reader connector. Just posted it for those interested

[logicprobe]

Only a guess, but on the 25 pin connector there are SEG-A thru SEG-G signals, plus DG-1 thru DG-3. These are common callouts for 7-segment displays. (Segment and digit).

Do the ball loan machines have a 3 digit display, by chance?

The six-conductor RJ jack, I would guess, is proprietary.

YOU GOT PRINTS??? What machine is this from??

[daverob]

I did a bit of work on the Card Reader connector a while ago, and thanks to a scan originally posted by compirate earlier in the year, and by tracing the connections back in a couple of my machines. This is what I figured out (original Japanese text on top line, translation below)...

CN4-1 AC24V (出力) - AC24電源
AC24V (Output) - AC24 Power Supply
CN4-2 PSI (出力) - 接続確認信号
PSI (Output) - Connected Verification Signal
CN4-3 SEG A (入力) - セゲメントA信号
SEG A (Input) - Segment A Signal
CN4-4 SEG B (入力) - セゲメントB信号
SEG B (Input) - Segment B Signal
CN4-5 SEG C (入力) - セゲメントC信号
SEG C (Input) - Segment C Signal
CN4-6 SEG D (入力) - セゲメントD信号
SEG D (Input) - Segment D Signal
CN4-7 SEG E (入力) - セゲメントE信号
SEG E (Input) - Segment E Signal
CN4-8 LG - 電源0V (+18V)
LG - Power Supply 0V (+18V)
CN4-9 LG - 電源0V (+18V)
LG - Power Supply 0V (+18V)
CN4-10 TDLO (入力) - 球貸し可LED信号
TDLO (Input) - Ball Loan Available LED Signal
CN4-11 BRDY (入力) - カードュニツトREADY信号
BRDY (Input) - Card Unit READY Signal
CN4-12 EXS (出力) - 台端未貸出売了信号
EXS (Output) - Stand Edge Not Yet Borrow Sale Ryo Signal
CN4-13 PRDY (出力) - 台READY信号
PRDY (Output) - Stand READY Signal
CN4-14 DG 1 (入力) - 度数表示下 1 桁目コモソ信号
DG 1 (Input) - Under Frequency Indicating 1st Beam Common Signal
CN4-15 DG 2 (入力) - 度数表示下 2 桁目コモソ信号
DG 2 (Input) - Under Frequency Indicating 2nd Beam Common Signal
CN4-16 DG 3 (入力) - 度数表示下 3 桁目コモソ信号
DG 3 (Input) - Under Frequency Indicating 3rd Beam Common Signal
CN4-17 VL (入力) - 電源 +18V
VL (Input) - Power Supply +18V
CN4-18 VL (入力) - 電源 +18V
VL (Input) - Power Supply +18V
CN4-19 SEG F (入力) - セゲメントF信号
SEG F (Input) - Segment F Signal
CN4-20 SEG G (入力) - セゲメントG信号
SEG G (Input) - Segment G Signal
CN4-21 TDS (出力) - 貸出スイシチ信号
TDS (Output) - Borrow (玉貸) Switch Signal
CN4-22 RES (出力) - 返却スイシチ信号
RES (Output) - Return (返却) Switch Signal
CN4-23 BRQ (入力) - 台端未貸出要求売了確認信号
BRQ (Input) - Stand Edge Not Yet Borrow Required Sale Ryo Verification Signal
CN4-24 FG - フレームゲランド
FG - Frame Ground
CN4-25 AC24V (出力) - AC24電源
AC24V (Output) - AC24 Power Supply

Seg A-G and DG 1,2,3 go to the three digit 7 segment displays that are located on the front wing of the pachinko machine (usually near to the Ball Loan (玉貸) and Return (返却) buttons). This is used so the card reader unit can display the remaining credit on your card.

TDLO feeds the single LED by the buttons, and the buttons themselves are connected to TDS and RES.

The ones I've still not figured out are
11 BRDY カードュニツトREADY信号 = Card Unit Ready Signal (Input)
13 PRDY 台READY信号 = Stand Ready signal (Output)
12 EXS 台端未貸出売了信号 = Stand Edge Not Yet Borrow Sale Ryo Signal (Output)
23 BRQ 台端未貸出要求売了確認信号 = Stand Edge Not Yet Borrow Required Sale Ryo Verification Signal (Input)

Could do with a better translation of these, but I don't expect it's going to give me much more to work on.

I thought that these were just simple inputs and outputs that would control the payout of balls from the hopper, but haven't managed to work out how to connect them to get it to work. I'm starting to wonder if they are some kind of serial interface and need a specific protocol to work.

The pinout of the phone line connector looks proprietary, from the pinout names it appears to be an syncronous Bi-directional serial interface. STB is likely to be short for 'strobe' and could be the serial interface clock signal, and PRST is probably a reset signal.

Have you traced back the circuit to see what type of chip that they're driven from? That can give you some idea of the signalling levels on the interface which could help narrow it down.

[fronzdan]

I agree with daverob...the RJ connector is some kind of proprietary serial interface with differential signals. Do you know what's further back, behind that connector? Also, what is the function of the board this is on? I'm a pachinko newbie and don't know what any of the boards do yet.

[compirate]

Unfortunately, I'm in my truck and everything but this laptop is home!

I'd known what most of the card reader connectors where, hoping someone recognizes the other connector. I've seen pictures (real little ones) of the modules that they plug into that ultimately connects to the parlor computer. I think it allows the parlor to track info from the card readers, machines and other parlor equipment (ball/medal counters, ticket printers, etc.)

[fronzdan]

Most likely my machine has one of these....I'll look around for it. But like you say, this is almost certainly for data gathering back at the central control systems.

[compirate]

Here's the wiring diagrams (won't be up forever) for Sankyo's Palot.

http://gibisans.com/Pachipictures/Wiring1.jpg
http://gibisans.com/Pachipictures/Wiring2.jpg
http://gibisans.com/Pachipictures/Wiring3.jpg

They're big (500k-1.3M)

The discussed connectors are on #2

[azlew]

And here I thought that phone plug thing was an ethernet connection

Anyway does this mean we may be getting closer to having a easy to connect counter for balls played and balls won on pachinkos? If so then =

[logicprobe]

the buttons themselves are connected to TDS and RES

Do you happen to know if these are buffered? Or straight to the contacts of the switches??

[slothappy144]

FYI: The 6 pin is a RJ-12, used mostly for voice/data or extended voice connections.
Home phones are 4 pin, RJ-11, Ethernet 8 pin is RJ-45

[daverob]

Do you happen to know if these are buffered? Or straight to the contacts of the switches??

To be honest I can't be totally certain, as my handwritten notes on this were filed away back in January. The only info I have on my PC is the same as I posted to this forum back then in the "Intresting question?" topic."TDS and RES are connected to the two card reader buttons on the front wing. When the buttons are pressed these pins are connected to LG (0v)"

If I remember correctly they are not buffered, but I seem to remember there being a resistor in series with the switch contact.

I'll take a look for my notes, but in the mean time it should be enough to simply check for continuity between pins 9 and 21 and measure the resistance when the Ball Loan button is pressed.

[daverob]

To be honest I can't be totally certain, as my handwritten notes on this were filed away back in January.

If I remember correctly they are not buffered, but I seem to remember there being a resistor in series with the switch contact.

I found my notes, and there's no series resistors or pull-up resistors. The TDS and RES pins are connected directly to one side of the switches, and the other sides of the switches are commoned and connected to Logic Ground (LG).

[daverob]

Unfortunately, I'm in my truck and everything but this laptop is home!

Ok, I've done a bit of investigation work on your behalf!

It's been a little more difficult than I expected as these PCBs are sealed into their transparent cases with anti-tamper one-way screws, but I decided to be brave and crack them open. Though now that I've admitted to this in public I'm worried that I might be tracked down by the anti-fraud department of the pachi-police. :s:

On the PCB from Pretty Band (Heiwa) the STB+/-, and PRST+/- are both connected directly to the respective terminals for the LED on an opto-isolator, the isolated signals are then fed to pins 54 (STB) and 56 (PRST) of the microprocessor (STB is also fed through a R/C snubber circuit). The Data+/- pins are connected through two opto couplers (one to the LED side, one to the phototransistor side), and are connected to Pin 50 for transmit, and pin 52 for recieve.

On the PCB from a Sankyo Lumina frame machine (Star Wars), The STB+/- and PRST+/- are treated identically to the Heiwa machine, but the Data+/- is only connected to the phototransistor of a single optocoupler, and pin 52 of the microprocessor is not connected to anything.

So in summary STB and PRST are definitely inputs to the machine and the Data line is output only on Sankyo machines, but could be bi-directional on some other machines.

Next step is to build a circuit to interface with the connector, and try firing some signals into it to see if anything comes out.

I've seen pictures (real little ones) of the modules that they plug into that ultimately connects to the parlor computer.

Did you save the pictures, as they could be helpful (but probably just interesting!)

[compirate]

That's great work!

I'll have to do a little (read-A LOT) of digging thru bookmarks and pictures but I'll find the pics

And don't worry about the Pachi-Police, tell them,,,

"It's all in the name of SCIENCE!!!" (insert thunder and sardonic Dr Frankenstein laugh here)

[alstonj1]

i feel another frankin pachi in the wings waiting to be born .....

[arbycoffee]

We will be Watchin you the pachi-police

[alstonj1]

now thats one shifty eyed or should i say shifty eyebrow-ed person

[arbycoffee]

Which shift do you work on the patrol ?
With your red eyes I would say night shift

[compirate]

Did you save the pictures, as they could be helpful (but probably just interesting!)

I think this is it:\

http://www.suntacnet.ne.jp/manage/detail_list.htm

http://www.suntacnet.ne.jp/manage/hr3500du/index.htm

[daverob]

Thanks compirate.

I'm not certain but from my reading of those pages it looks like the box could be an interface to allow older pachinko's that do not have the RJ-12 connector (but have the two pin pulse outputs that are usually connected to a battle counter) to be connected to the parlour computer. Similar to the one in the link below.

http://www.glory-lincs.co.jp/product...u/gl1000du.htm

I've got the RJ-12 connector on my list of things to reverse engineer, but it's quite low down on my list, as I suspect that it doesn't give a lot more information than can be got from the battle counter connections without the effort of serial interfacing and protocol decoding!

My main priority is to finish off the card reader connector first, as I'd like to make a more advanced 'dongle' that can be connected up to a coin mech to add credit, and then uses the buttons and 7 segment display on the front of the machine to dispense balls.