[Restoration] Frogger - why did the frog cross the road?

[Superully]

ok, followed the wires to the pcb connector, yellow ends in A15, white in A12. now what does that mean, which is which? here's the pinout

A is soldering side
B is parts side

A1         -5VDC
A2         SPEAKER
A3         2P SW1
A4         2P LEFT
A5         1P START
A6
A7         1P SW1
A8         1P RIGHT
A9         1P UP
A10        COIN 1
A11        1P DOWN
A12
A13        VIDEO GREEN
A14        VIDEO RED
A15
A16        GROUND
A17        GROUND
A18        +5VDC

B1         12VDC
B2         SPEAKER
B3
B4         2P RIGHT
B5         2P START
B6         2P UP
B7         TEST
B8         1P LEFT
B9         2P DOWN
B10        COIN 2
B11        COUNTER 1
B12        COUNTER 2
B13        VIDEO BLUE
B14        SYNC
B15
B16        GROUND
B17        GROUND
B18        +5VDC

eh, A12 and A15 are blank, probably because the vertical / horizontal input is different on the individual monitors. what now? can i destroy the monitor if i mix up vertical and horizontal output?

[level42]

Very unlikely. probably will just give a very unsynced picture.

[Etienne MacGyver]

Yep, just hook it up and check the picture, if its giving stange image, change them around, and check again

I dont think you screw up a monitor by mixing them up

too bad the monitor does not uses a combined h&v Sync, the you could just hook it up at B14..

[Superully]

thx guys, i'll just give it a try! 50:50 chance - better than the lottery

[level42]

Looks like the Go7 needs separate H and V sync...but try anyway.

[Superully]

Looks like the Go7 needs separate H and V sync...but try anyway.

you mean combining sync?

[level42]

Put both the yellow and white wire on the B14 SYNC and have a look what happens.

If your lucky it will work.

I don't know if Frogger uses positive or negative sync. Anybody ?

[level42]

Apparently there are many different versions of Frogger boards ? =>
http://www.tomshardware.co.uk/forum/79366-25-need-expert-frogger-help

Looks like some do have separate sync...?

[Superully]

Apparently there are many different versions of Frogger boards ? =>
http://www.tomshardware.co.uk/forum/79366-25-need-expert-frogger-help
Looks like some do have separate sync...?

wasn't my board set up for separate sync with the way the pcb connector was / is wired ?

[Belike]

My Sega Frogger has the Konami pinout, it works perfect with the Konami to Jamma adapter.

[ckong]

Totally off topic, but if you have finished your restoration of this great game, this might be a nice addition to your PCB. Maybe you alread heard of it: Freeplay for Frogger with Attract Screen: http://www.jeffsromhack.com/products/frogger.htm

[Superully]

thx eric, but i have already ordered this one!

[Superully]

tech question: can a 120v monitor work properly when powered by only 100v?

[Etienne MacGyver]

hmm, i dont think so...  but one can always try 

The monitor manual states a range from 108 - 132 Volts..

http://www.arcade-museum.com/manuals-monitors/Electrohome%20G07-901.pdf

page 4. 

[Superully]

hmm, i dont think so...  but one can always try 

i did, but nothing shows (tried it with three different chassis, because i know that at least one of them is not working properly). the thing is that i bought the wiring harness along the power block from the usa and the main wires are soldered to the 100v terminal (see the following picture. note that the brown wire had come off and has been re-attached in the meantime).



however, i got a picture from john "hey guys, we are in the basement" of his frogger setup and the picture shows his brown and pink wires going to the 120v terminal (and nothing to the 100v)! makes more sense to me, but i'm curious why my wires are attached to the 100v terminal in the first place ...



perhaps i should simply solder them to 120v - what do you think?