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F1
F1
K1
TR102
TR101
P1 Power Connector
1 AC Hot
7
2
AC Common
8
3
Lamp Fans
9
4
Shutter Motor
10
5
High Relay
11
6
Medium Relay
12
Check Idle Voltage on Board or on Terminal Strip Lugs #2 and #3
Switch Connector
Idle Voltage Adjustment
94MS42 Rev. B1 S/W Ver 2.06
Printed Circuit Board Layout
This is a description of the signals and voltages present on the pins of the
printed circuit board.
64MV407V24 Control Board layout.
Note: Graphic of the new style p.c.board is shown. Relay style p.c.board
has the same connector hookups and pin outs, however the LEDs
are on the component side of the p.c.board not on the solder side
as on the new style. The old style board is replaced by the new
style and is interchangeable.
P1
TR103
TR104
TR105
Unit Fan
1 AC Hot
Power Relay
2
AC Common
3
Not Connected
Not Connected
4
Aux Terminal
Aux Terminal
DC Common
5
DC Com/Ground
Position
6
Power Switch
Back View of Control Board
P2
R10
R9
22K
R11
120K
2
R59
8.2K
U8
U9
U6
P2
Switch Connector
7
High Switch
8
Low/Med Switch
9
Manual Expose
10
Interlock
11
Not Connected
12
+12 VDC
Power Connector
Front View of Control Board
Triacs & Relay
J1
K1
Unit Power
TR101
Shutter Motor
High Relay
TR102
Medium Relay
TR103
Main Contactor
TR104
TR105
Lamp head fans
LED's
D18
Lamp head fans
D13
Power Supply Fan
D17
Shutter Motor
D15
High Relay
D16
Medium Relay
D14
Power Relay
13-19
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