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=== MANUAL ===
== FAQ ==
== FAQ ==

Revision as of 15:30, 10 August 2018

XRGB-2 front
XRGB-2 back

The XRGB-2 is an upscan converter by Micomsoft. It has limited capabilities when compared to the newer units such as the XRGB-2 plus and the XRGB-3, nevertheless it offers great performance. The stability of the image is rock solid, and you usually don't need to fiddle with settings as much as with later units.

It offers no remote control, and all functions are available through five buttons on the unit's front. It offers just one scanline setting, equivalent to the 127 setting (50%) on the XRB-3.



Japanese English Setting Default setting Use
明るさ Brightness 0 - 62 41 Adjust white level
BLUE 0 - 62 31 Adjust blue
GREEN 0 - 62 31 Adjust green
H_POS 0 - 7 4 Adjust horizontal position
BLACK 0 - 62 0 Adjust black level
GAMMA OFF / 1 / 2 / 3 / 4 OFF Adjust gamma
AFC 0 - 8 0
USR_DTC 1 - 62 59
V_LINE OFF / ON OFF Scanlines



It also has passthrough for:

  • VGA
  • RCA Audio
  • Mini Jack


  • VGA at 640x480 31khz
  • RGB in 15-pin D-sub (for older Japanese monitors)
  • Mini Jack for audio output

Capacitor List

Ver 1.21 PCB

C158 2200uF/25V
C21 470uF/10V
C134 470uF/10V
C27 470uF/10V
C98 470uF/10V
C45 470uF/10V
C3 470uF/10V
C12 470uF/10V
C30 100uF/16V
C153 100uF/16V
C157 100uF/16V
C73 100uF/16V
C70 100uF/16V
C167 100uF/16V
C118 100uF/16V
C156 47uF/16V
C154 47uF/16V
C63 47uF/16V
C125 47uF/16V
C83 47uF/16V
C155 47uF/16V
C128 47uF/16V
C147 47uF/16V
C13 47uF/16V
C116 47uF/16V
C81 47uF/16V
C132 10uF/50V
C38 10uF/50V
C64 10uF/50V
C57 10uF/50V
C150 10uF/50V
C68 10uF/50V
C67 10uF/50V
C25 10uF/50V
C50 10uF/50V
C99 10uF/50V
C23 10uF/50V
C7 10uF/50V
C24 10uF/50V
C29 10uF/50V
C32 10uF/50V
C82 10uF/50V
C44 22uF/25V
C2 22uF/25V
C8 22uF/25V
C36 10uF/16V
C62 0.47uF/50V
C17 0.47uF/50V
C54 0.47uF/50V
C55 4.7uF/50V
C53 2.2uF/50V




What is the "RGB/PCB STD" switch for?

This little switch physically activates a set of 220 ohm resistors, allowing the use of arcade game pcbs on your display device. This is needed since the video level used by PCBs is higher than the one used by game consoles, the resistors make them equivalent.

How to reset XRGB-2

When the unit is powered down, press all four buttons (up, down, left and right) and then power on the unit. All values will be reset to factory defaults.

Important : about GAME IN input (RGB-21)

Never directly use the European standard SCART cables with an XRGB-2 since the pinout is different to the Japanese standard RGB-21 ones, and damage might result due to voltage applied on signal lines.

Power Supply

Power supplies tend to fail. It requires 12V 0.5 Amp, center positive. Less than 12 and more than 11 tends to give a wobbly image, and less than 10V turns on the LED without output.


This unit has only one scanline setting, and is activated by turning on the last option in the menu, named V_LINE.

In order to compare the scanlines to those of the XRGB-3, several pictures were taken at different scanline levels. The results matched at level 127 of the XRGB-3. The same cables, arcade PCB, camera settings and TV were used to connect and compare them. The images show a cropped section of pure white on the CRT calibration screen of a System 16 board.

XRGB-2-Scanlines.jpg XRGB-3-Scanlines-127-cropped.jpg
XRGB-2 with scanlines photo XRGB-3 with scanlines at 127
XRGB-3 with scanlines at 001 for reference
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