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Satake Scan Master II - Section 2: PCB Functions and Controls; 2.15 Amplifier Interface PCB; 2.16 Ejector Interface PCB; 2.16.1 Ejector Testing

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Section 2-- Identification and Function of Parts 2-37
© 2008, Satake USA Inc.
(ALL RIGHTS RESERVED)
The top or upper section contains:
A. Channel A gain adjustment, R1.
B. Channel A non-normalized video signal test point, Blue TP1.
C. Channel A normalized video signal test point, Green TP2.
D. Channel A trip LED, DS1, which blinks "green" each time a product is
classified as a reject.
E. Channel A Primary/Resort select switch.
F. Channel A dark trip level test point.
The upper section is used for the front view amplification on two view machines
(See Figure 2-17). It is used for odd numbered channels on single view machines
(see Figure 2-18).
The bottom or lower Amplifier section contains:
A. Channel B gain adjustment, R27.
B. Channel B non-normalized video signal test point, Blue TP3.
C. Channel B normalized video signal test point, Green TP4.
D. Channel B trip LED, DS2, which blinks green each time a product is
classified as a reject.
E. Channel B Primary/Resort select switch.
F. Channel B dark trip level test point.
The lower section of each Amplifier PCB is used for the rear view amplification on
two view machines (See Figure 2-17) or for even numbered chutes on single view
machines (See Figure 2-18).
The two Primary/Resort switches, located near the rear on each Amplifier PCB,
should normally be in the PRIMARY (up) position. In this position, the Primary Dark
Trip and Primary Light Trip controls from the operator interface determine the
sorting sensitivity.
If the machine is configured as a combination primary and resort unit, the switches
should be placed in the RESORT (down) position, on ONLY the Amplifier PCB(s)
corresponding to the chutes used for resort. In this position, the Resort Dark Trip
and Resort Light Trip controls from the operator interface determine the sorting
sensitivity.
2.15 AMPLIFIER INTERFACE PCB (See Figure 2-21)
Input from the control computer determines the configuration of the trips in the
ScanMasterII. The light and dark trips can be turned on and off independently for
both the front and rear views. The sorter can operate in the Light Trip mode, Dark
Trip mode, or be used to remove both light and dark objects at the same time.
Additionally, all trips can be turned off.
LED's DS1, DS2, DS3 and DS4, indicate that a trip is ON when illuminated Green, or
that it is OFF when illuminated Red. LED DS3 and DS4 do not illuminate on single
view model machines. Test points TP1 through TP4 provide access to the Trip level
voltages for measurement as shown below.

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