Icegame Bean Bag Toss, Service Manual

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Resolving errors 2 through 7.
There are three score holes which are colored red, green, and blue. In each of these holes are two sensors that detect when a
bean bag has fallen into the hole. These sensors are enabled by two enable lines. When the game is powered on it will enable
only one enable line for the score sensors. This activates sensors 1, 3, and 5. Each of these sensors are in a different win hole. The
game tests the function of the sensor and generates an error code if bad. Then the game enables the second enable line and turns
of the first. This activates sensors 2, 4, and 6. Again, the game tests the function of the sensors and generates an error code if
bad. If all tests are good, the game goes into attract mode.
Before you work on resolving the next few errors, it might become necessary to follow the steps in “ Accessing Playfield Sensors
and the Rotate I/O board ” first before trying some of these steps.
Resolving Error 2 or error 5.
This error occurs when one of the two sensors in the blue win hole fails power on test. A small LED diode located on each sensor
board indicates the status of sensor. If it is off and nothing is blocking the hole, then either the transmitter is not being seen or the
sensor has no power. If the LED is always on, then the receiver circuit is at fault. You can see the LED though the top of the play-
field.
Resolving Error 3 or error 6.
This error occurs when one of the two sensors in the green win hole fails power on test. A small LED diode located on each sensor
board indicates the status of sensor. If it is off and nothing is blocking the hole, then either the transmitter is not being seen or the
sensor has no power. If the LED is always on, then the receiver circuit is at fault. You can see the LED though the top of the play-
field.
Resolving Error 4 or error 7.
This error occurs when one of the two sensors in the red win hole fails power on test. A small LED diode located on each sensor
board indicates the status of sensor. If it is off and nothing is blocking the hole, then either the transmitter is not being seen or the
sensor has no power. If the LED is always on, then the receiver circuit is at fault. You can see the LED though the top of the play-
field.
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Enable 1
Power
Sense
Ground
1
2
3
4
U1
LM393a
U1
LM393b
+12 VDC
+12 VDC
+12 VDC
+12 VDC
R1
240
Ω ¼W
D1
OP291A
+12 VDC
U1
C1 .1ꙡ F 50V
monolithic
Q1 OP598A
D2 LED
7
6
5
1
2
3
R2 1K Ω ¼W
8
4
RN1
RN1
RN1
RN1
2 1 47k Ω
4 3 47k Ω
6 5 47k Ω
8 7 47k Ω