Dr Pinball Personal DMD Guida all'installazione
Personal DMD
Installation and Usage Instructions
V0.1 September 2013
Copyrig t 2013 - Dr Pinball
Important
Please c eck Appendix A for details of mac ines t at are compatible wit t e Personal DMD. It is
important to note t at t e Personal DMD as not been tested on all of t ese mac ines – it is t e
responsibility of t e user to make a final decision about t e suitability of t is system for use on a
particular pinball mac ine.
T e user installs t e Personal DMD entirely at t eir own risk – Dr Pinball cannot accept responsibility
for damage or ot er problems caused by t is system or its use.
T e installation instructions are given purely as a guide. T e user must exercise caution w en
performing t e installation.
Introduction
T ank you for purc asing t e Personal DMD by Dr Pinball. T is system adds a 4.3” screen into t e
pinball apron area and is driven by t e DMD Extender product also developed by Dr Pinball.
T e Personal DMD comprises:
1 X 4.3” Colour TFT Screen in a metal enclosure
1 X 12V Regulator Board
1 X 4 way Power Cable Assembly
1 X Screen Power Cable Assembly
1 X Composite Video Cable
2 X Cable Ties to secure
Please ensure you ave received t e items above before proceeding.
T e system requires a DMD Extender to be already installed in t e pinball mac ine.
T e following sections take you t roug t e installation of t e Personal DMD only.
Installation
Installation must only be attempted by a competent person w o understands basic principles for
t e safe operation of electronic devices. You must ensure t e pinball mac ine is switc ed off and
t e power cable removed from t e wall socket prior to installation.
Please read all of t e instructions before performing t e installation.
T e Personal DMD adds a small screen into t e apron area of t e pinball mac ine. It is designed to fit
mac ines wit a specific type of apron as s own in figure 1.
Figure 1 – Compatible apron design
T e scorecard area of t e apron must be recessed and ave a large cut out be ind. Any ot er design of
apron may not allow t e screen cables to pass under t e table, or t e gap between apron and glass may
not be large enoug .
Firstly, please familiarise yourself wit t e components of t e system.
Figure 2 – Personal DMD Components
As s own in Figure 2:
1. Screen Power Cable Assembly – allows connection between t e TFT Screen and t e 12v
Regulator Board
2. Power Cable Assembly – allows connection between t e DMD Extender and t e 12V Regulator
Board
3. Composite Video Cable – allows connection between t e Raspberry Pi and t e TFT Screen
4. TFT Screen – Complete wit power connector (Red) and video connector (Yellow)
5. 12V Regulator Board – Takes t e pinball power and converts to correct voltage for t e TFT
Screen
Also included are 2 cable ties to secure t e various cable assemblies.
T e 12V Regulator Board in detail comprises t e items s own in Figure 3.
Figure 3 – 12V Regulator Board
1. Ad esive Mounts X 4
2. Power In connector – labeled 'POWER IN'
3. Fuse – 500 mAmp 20mm cartridge type
4. Power Out connector – power for TFT Screen, labeled 'OUT 1'
5. Power Out connector – power for TFT Screen, labeled 'OUT 2'
It is possible to connect and power 2 TFT Screens using t e 12V Regulator connectors 'OUT 1' and
'OUT 2'.
Step 1 – Prepare the Playfield
Remove t e lock down bar and play field glass. Remove all of t e balls from t e ball troug .
Lift t e playfield forwards so t at it rests on t e lock down bar mec anism, as s own in figure 4.
Figure 4 – Playfield in t e correct position for installation
Wit t e playfield in t is position it will be possible to begin routing t e power and video cables for t e
Personal DMD.
Step 2 – Prepare the back box
Remove t e translite glass and open t e back box lig t door. Lift t e speaker panel and rest on t e
pinball side rails.
Hint: Use magnets on t e side rails to stop t e speaker panel slipping.
Step 3 – Connect the Video Cable
Figure 5 s ows t e location of t e composite video connector on t e Raspberry Pi.
Figure 5 – Composite Video connector s own wit red arrow
Connect one end of t e Composite Video Cable into t e composite video connector on t e Raspberry
Pi, as s own in figure 6.
Figure 6 – Composite Video Cable inserted into Raspberry Pi connector
Step 4 – Connect the Power Cable Assembly
Connect one end of t e Power Cable Assembly into t e 'POWER OUT' connector of t e DMD
Extender, as s own in figure 7.
Figure 7 – Power Cable Assembly in connector 'POWER OUT'
Wit t e Power Cable Assembly and t e Composite Video Cable pus t e free ends of t e cables
t roug t e back box cable ole. Allow some slack in t e cables to remain in t e back box. Figure 8
s ows t e cables pus ed t roug into t e pinball base cabinet.
Figure 8 – Cables exiting t e back box into t e base cabinet. Cables are marked wit red arrows.
Step – Route Cables from Back box
Replace t e speaker panel into t e back box.
Using 2 cable ties, fix t e cables coming from t e back box to t e wiring loom conduit as s own in
figure 9.
Figure 9 – Cable fixing
Fixing t e cables in t is way will allow t e back box to be folded wit out straining t e cables to t e
DMD Extender.
Now close t e back box lig t door and replace t e translite.
Step 6 – Mount the TFT Screen
Select w ic side t e of t e apron to install t e TFT Screen – it can be mounted in eit er of t e
scorecard areas, alt oug viewing angles are best w en it is located on t e rig t and side.
Pus t e screen cables t roug t e apron ole and t roug t e available playfield ole so t at t e
cables ang free under t e playfield as s ow in in figure 10.
Figure 10 – TFT Screen cables passed under t e playfield
Note t at t e screen controls – circled in figure 10 – s ould be on t e left.
Place t e TFT Screen onto t e apron allowing t e integral magnets to old it in place. T e screen
s ould sit evenly on t e metal apron.
Figure 11 – TFT Screen correctly mounted
Now lift t e playfield into its fully uprig t position. T e TFT Screen will be eld in place by t e
magnets and will not fall.
Step 7 – Route Cables Under Playfield
T e 12V Regulator needs to be mounted under t e playfield. Select a suitable area in t e lower 1/3 of
t e playfield, remove t e yellow paper from t e ad esive mounts and firmly place t e 12V Regulator
onto t e wooden playfield.
Select t e mounting area carefully, away from playfield mec anisms and allowing enoug space
to connect t e cables. See figure 12 for an example.
Figure 12 – 12V Regulator mounting suggestion
Take t e free end of t e Power Cable Assembly coming from t e backbox and plug into t e 'POWER
IN' connector on t e 12V Regulator. Note t at t e cable is keyed and can only be connected in one
orientation.
Plug t e Screen Power Cable Assembly into t e 'OUT 1' connector of t e 12V Regulator. Note t at t e
cable is keyed and can only be connected in one orientation. Plug t e ot er end of t e Screen Power
Cable Assembly into t e TFT Screen red power connector.
Take t e free end of t e Composite Video Cable coming from t e backbox and plug into t e TFT
Screen yellow video connector.
Now carefully route all cables t roug t e pinball cable supports as s own in figures 13 and 14.
Indice
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