TurboGrafx 16 EXP pinout

[Sabz5150]

All the links in other threads are dead so here we go again!

Anybody have a working link for the pinout of this thing... pretty obvious why I want it: composite a/v out without searching and shelling for a Booster.

[77punk]

Damn, I found it once (just now tried to look for it and failed) and did it so if you cant find anything on it in say a week Ill crack my system open and draw out the pins for you.

Cheers and hope you the best. that mod truly rocks.

http://www.gamesx.com/rgbadd/rgbturbo.htm

All the links in other threads are dead so here we go again!

Anybody have a working link for the pinout of this thing... pretty obvious why I want it: composite a/v out without searching and shelling for a Booster.

[Bratwurst]

I did not write this, but I saved the original document on my hard drive, and am posting it for posterity's sake. Note that I found the use of a capacitor for the video line to be extraneous and sometimes even interfered with the signal quality, so you probably do not need it.

Diagram from the back of the PC Engine/TurboGrafx, right side up:

AR GG 01 VM 32 30 27 GG 17 20 22 23 13 11 10 08 GG 05 03 GG VV VN VR
02 CD 35 34 VU 29 26 15 19 21 VJ 14 12 VG 09 07 06 04 24 VT 37 36 VP
AL VV VS 33 31 28 25 16 VL VK QQ VI VH QQ VF VE VD VC VB VA GG VZ VQ

The signals that are important for tapping the stereo audio, NTSC video,
and NTSC RGB signals from the unit are:

AR -- Audio Right
AL -- Audio Left
VZ -- External composite video, connected to R145. Note -- this may need
to be externally bypassed to ground with a capacitor to use directly
as a video feed. Also used as a vertical sync signal for RGB
connections.

GG -- Ground

VR -- Blue RGB signal
VP -- Green RGB signal
VQ -- Red RGB signal
VN -- Horizontal sync signal

To connect the PCE or Turbo to a standard television set or VCR, use the
following pin connections:

AR and GG \ Connect these to RCA cables, ground going to the "shield" or
-- outer metal wrapping, and AR or AL going to the "signal" or
AL and GG / center pin. These plug directly into your Audio In R/L on your
TV or VCR.

VZ and GG -- Similarly, connect GG to the "shield" and VZ to the "signal" of
an RCA cable. This connects to the Video In on your TV or VCR.
For a clearer picture, connect a 0.1 uF capacitor between the
two terminals on the side of the cable that connects to the
PCE/Turbo.

VR/VP/VQ/VN -- If you have an older RGB monitor capable of horizontal sync at
NTSC frequencies (around 15 kHz), you can use it as a monitor
for your PCE/Turbo. Connect VR, VP, and VQ to the blue,
green, and red inputs of the monitor. Connect VN to the
horizontal sync input, and VZ to the vertical sync input. If
the monitor only has a single sync input, use VZ. You should
have an incredibly clear, crisp picture!

NOTE -- Most modern monitors will *NOT* sync this slowly.
Monitors of the "Sony Multisync" variety of old (e.g. the
"2A") are capable of syncing to these frequencies. Also,
monitors marked as "Amiga Compatible" should sync to the NTSC
frequency as well.

Credit to the original author goes to: Joseph LoCicero, IV

[Sabz5150]

You are both gentlemen and scholars. Looks like I have some work to do tonight

[izarate]

I was about to ask for this myself. Thank you.

By the way, does someone know if the TG can be modded for S-Video? Since I couldn't find anything on the web I'd say no but maybe someone here knows better.

[Sabz5150]

Worked like a charm! I used some of the ends from PC case LEDs which are perfect for this application. They are the same height and width as the TG pins, and when done right, you only need three of them

Thanks again!