Freedom Enterprise MisMatcher01 Rev.D User manual
MISMATCHER01
PATCHMODULE01
OWNER’S MANUAL
FREEDOM ENTERPRISE
Contents
MisMatcher01 ................................................................................................................ 1
About ..................................................................................................................... 1
Specifications........................................................................................................ 1
Block Diagram....................................................................................................... 2
Bill of Materials....................................................................................................... 3
Assembly................................................................................................................ 3
PatchModule01............................................................................................................. 4
About ..................................................................................................................... 4
Bill of Materials....................................................................................................... 4
Assembly................................................................................................................ 5
User Interface ........................................................................................................ 5
Patching Examples ............................................................................................... 7
Cross Dissolve .................................................................................................... 7
Attenuator......................................................................................................... 7
Cross Dissolve with Sync Lock.......................................................................... 8
Negative Black and White with Sync Restoration......................................... 9
Creative Commons License....................................................................................... 10
Warranty....................................................................................................................... 10
1
FREEDOM ENTERPRISE
MisMatcher01
About
The MisMatcher01 is an analog video effects unit comprised of a sync mixer
and an amplifier. It’s intended to work in tandem with another control board
trough a connection header. The sync mixer extracts the sync pulses from a
video signal and mixes them with another video signal. It’s used to restore the
sync timing after modifying a video signal or to re-sync a video signal with
another video. The amplifier clips the video signal with a variable threshold
limit, providing a monochromatic black and white signal.
Specifications
DC Input
7-20
V
Negative Tip
Power Consumption
33
mA
@ 9
V
Video Format
NTSC/480i & PAL/576i
Voltage Level
2
pk pk
V−
Size
100x83 mm
2
FREEDOM ENTERPRISE
Block Diagram
3
FREEDOM ENTERPRISE
Bill of Materials
Qty
Description
Value
Reference
6
Nichicon Electrolytic Capacitor
220
F
6.3
V
C3, C4, C5, C6, C7, C13
1
Electrolytic Capacitor
110
F
25
V
C11
4
Ceramic Capacitor
0.1
F
C12, C14, C15, C16, C17
3
Diode
1N914
D1, D2, D3
2
¼
W
Resistors
75
R5, R11
2
¼
W
Resistors
120
R4, R15
2
¼
W
Resistors
680
R10
3
¼
W
Resistors
1
K
R1, R14, R17
1
¼
W
Resistors
3.9
K
R9
1
¼
W
Resistors
4.7
K
R13
1
¼
W
Resistors
10
K
R3
3
¼
W
Resistors
20
K
R2, R6, R8, R12, R16
4
Transistor
BC237
Q1, Q2, Q3, Q4
1
8 Pin Male Header
-
J1
1
5V Linear Voltage Regulator
78L05
CR1
1
Sync Separator IC
LM1881
U1
Assembly
Assembly the board with the provided components following the bill of
materials.
Install transistors Q1 and Q2 as shown on the PCB. Install Q3 and Q4 on the
opposite position shown on the PCB.
Install CR1 with the flat face facing C11 and C13.
Leave C8, C9, C10 and S1 empty.
Clean the flux residue left behind.
4
FREEDOM ENTERPRISE
PatchModule01
About
The PatchModule01 is a 3.5 mm patch cable control module for the
MisMatcher01. It works as the user interface, providing input and output RCA
jacks, 3 mixers and an easy way to combine different video signals with the
different functions of the MisMatcher01. The 3.5 mm stackable patch cables
are needed but not included.
Bill of Materials
Qty
Description
Value
2
Nichicon Electrolytic Capacitor
220
F
6.3
V
1
LED
-
1
¼
W
Resistors
270
18
Vertical 3.5 mm Jack
-
1
SPDT Switch
-
4
Potentiometer
20
K
3
Gold RCA Jacks
-
2
12 mm Spring Pin
-
5
FREEDOM ENTERPRISE
Assembly
Start by soldering the red 8-pin female header.
Solder the two 220
F
electrolytic capacitors, the 270
resistor and LED.
Solder the remaining components. If you have any trouble fitting the RCA
jacks and potentiometers to the PCB, please use a plier to straighten out the
component’s leads. Beware that two of the 3.5 mm jacks have had a specific
pin removed in order to fit in the PCB.
Clean the flux residue left behind. Finish off by soldering the two 12 mm spring
loaded SMD pin on the back. Make sure they are centred on the pad and
that they make contact with the resistor underneath on the MisMatcher01
board when assembled.
User Interface
1RCA Connector A
1.1 RCA Access Point A
22.1 mm X 5.5 mm DC Jack
3RCA Connector B
3.1 RCA Access Point B
6
FREEDOM ENTERPRISE
4On/Off Switch
5RCA Connector C
5.1 RCA Access Point C
6 1.5
K
Potentiometer A
6.1 Potentiometer Fixed Access Point
6.2 Potentiometer Wiper Access Point
6.3 Potentiometer Fixed Access Point
7 20
K
Potentiometer B
7.1 Potentiometer Fixed Access Point
7.2 Potentiometer Wiper Access Point
7.3 Potentiometer Fixed Access Point
8 20
K
Potentiometer C
8.1 Potentiometer Fixed Access Point
8.2 Potentiometer Wiper Access Point
8.3 Potentiometer Fixed Access Point
9Sync Separator Input
10 Amplifier In
11 Amplifier Out
12 Buffer In
13 Buffer Out
14 Monochrome Threshold
15 Ground Access Point
7
FREEDOM ENTERPRISE
Patching Examples
Cross Dissolve
Video Input: A and B
Video Output: C
Connect source A to the fixed end of potentiometer A. Connect source B to
the other fixed end of the same potentiometer. Connect the potentiometer
wiper to the output C. Rotate the potentiometer and the video output will
cross fade between A and B, loosing sync in between.
Attenuator
Video Input: A
Video Output: C
Connect the source A to the fixed end of potentiometer A. Connect the
other fixed end to the ground jack. Connect the potentiometer wiper to C.
This will create a voltage divider, reducing the signal intensity, loosing detail,
colour and sync in the process.
8
FREEDOM ENTERPRISE
Cross Dissolve with Sync Lock
Video Input: A and B
Video Output: C
Connect source A to the fixed end of potentiometer B. Connect source B to
the other fixed end of the same potentiometer. Connect the potentiometer
wiper to Buffer In. Connect the video source whose sync you want to restore
(A or B) to Sync In. Connect Buffer Out to the Output C. Rotating the
potentiometer will output a cross dissolve of the two sources, but the sync of
one of them is maintained.
9
FREEDOM ENTERPRISE
Negative Black and White with Sync Restoration
Video Input: A
Video Output: C
Connect A to Amp In. Connect Amp Out to Buffer In. Connect Buffer Out to
C. Connect A to Sync In. Turn the Threshold potentiometer to control the
picture contrast. Pass any of the previous connection trough a potentiometer
to create different effects. You can also combine the final result with the
original input trough a potentiometer.
10
FREEDOM ENTERPRISE
Creative Commons License
The circuit design and schematics present on the PCBs are licensed under a
Creative Commons Attribution 4.0 International Licence. You may share and
adapt this work for any purpose, even commercially, but only when
appropriate credit is provided and if the material is shared under the same
license as the original. The PCBs layout, artwork and names are the property
of Freedom Enterprise and may not be cloned or replicated for commercial
purposes.
Read the full license at creativecommons.org/licenses/by-sa/4.0
Warranty
Fully assembled versions of this product are covered by warranty for one year
following the date of purchase. This warranty covers any defect in the
manufacturing of this product, such as assembly errors or faulty components.
This warranty does not cover any damage or malfunction caused by
incorrect use, such as, but not limited to, power cables connected
backwards, excessive voltage levels, or exposure to extreme temperature or
moisture levels. The cost of returning a product for repair or replacement is
paid for by the customer.
DIY kits and bare printed circuit boards are not covered under any warranty
and come with no guarantee of assembly troubleshooting or customer
support (although I’ll try help you out).
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