Taito Scaler PCB

Taito Scaler PCB

Sticker identifies it as K91X1116E - the last letter may be a revision code. PCB silk screen identifies it as "J9100604A SCAN P.C.B".

Power pinout

Pin number 1 &4 clearly marked on PCB, connector type is XX.

1 - 5V
2 - 5V
3 - GND
4 - GND

Video Input

SW6 toggles between VGA connector and a 7 pin JST-XH connector. JST-XH is for raw JAMMA video, VGA is for attenuated video.

Presets

Rotary switch selects one of 16 user presets.

[0] UP-1 REF
[1] UP-2 CP2
[2] UP-3 CP3
[3] UP-4 N-G
[4] UP-5 AW
[5] UP-6 PS1
[6] UP-7 F3
[7] UP-8 F2
[8] UP-9 SSV
[9] UP-10 NAOMI
[A] 15K > 15K (no frequency conversion)
[B] 15K > 15K (no frequency conversion)
[C] DOWN-1 VGA (31kHz) downscan mode (normal setting)
[D] DOWN-2 Composite synchronization compatible mode (Atomiswave, etc.) 
[E] 31K > 31K (no frequency conversion)
[F] 31K > 31K (no frequency conversion)

Manual

File:TAITO up down scan converter kit-compressed.pdf