ELECTRICAL
4-133
7100 330695 (8
−
11)
TOUCH PANEL
OPERATION OF LEDS: (MEASUREMENTS TAKEN @ 12 CONDUCTOR TOUCH PANEL CONNECTOR)
P2
−
1 = +5VDC TO EACH LED
P2
−
2
−
P2
−
12 = WITH RIBBON CABLE CONNECTED, CONTROL BOARD WILL DROP VOLTAGE @ THESE PINS
RANGING FROM 3.6V
−
5V, WHEN AN LED IS NOT LIT, DOWN TO 3V, WHEN IT IS.
OPERATION OF SWITCHES: (MEASUREMENTS TAKEN @ 6 CONDUCTOR TOUCH PANEL CONNECTOR)
P1
−
1 = SUPPLIES GND PATH TO EACH MEMBRANE SWITCH
P1
−
2 = CONNECTED TO GND WHEN ES SWITCH IS PUSHED
P1
−
4 = CONNECTED TO GND WHEN SCRUB SWITCH IS PUSHED
P1
−
6 = CONNECTED TO GND WHEN SQUEEGEE SWITCH IS PUSHED
DOES MACHINE
POWER UP ?
GO TO POWER
−
UP TESTING
SECTION
No
WHEN FIRST
POWERING
−
UP, DO ALL
THE LEDS TURN ON
FOR A MOMENT AND
THEN OFF ?
Yes
LEDS ARE OKAY
−
PUSH MEMBRANE
BUTTON SWITCHES ON
AND THEN OFF
−
DO ASSOCIATED LEDS
TURN ON AND OFF WITH
EACH PUSH ?
No
RECONNECT 12 PIN RIBBON
CABLE MAKING CERTAIN
CONNECTIONS @
CONTROL BOARD ARE
GOOD AND TEST AGAIN
−
FAULT GONE ?
Yes
No
SWITCHES ARE
OKAY
Yes
DISCONNECT 12 PIN RIBBON CABLE
FROM CONTROL BOARD & CHECK
FORWARD JUNCTION OF ALL LEDS ON
TOUCH PANEL USING DIODE CHECKER
ON MULTIMETER
−
ALL LEDS GOOD ?
Yes
No
REPLACE
TOUCH PANEL
No
LEDS ARE OKAY
Yes
ON 6 PIN RIBBON CABLE,
CHECK VOLTAGES @
CONNECTOR
−
SCRUB = P1
−
4
SQGE = P1
−
6
ES = P1
−
2
−
VOLTAGES ON ALL
MEMBRANE SWITCHES
SHOULD GO FROM +5V TO
0V WHEN ASSOCIATED
BUTTON IS PUSHED
−
ANY VOLTAGES LOW
WHEN ITS BUTTON IS NOT
PUSHED ?
No
DISCONNECT 6
PIN RIBBON
CABLE AND
RECHECK PINS
THAT FAILED
−
+5V @ THOSE
PINS NOW ?
Yes
Yes
REPLACE
CONTROL BOARD
Содержание 7100
Страница 1: ...330695 Rev 02 8 11 Service Manual 7100 ...
Страница 4: ...GENERAL INFORMATION 1 2 7100 330695 8 11 ...
Страница 11: ...GENERAL INFORMATION 1 9 7100 330695 10 00 MAINTENANCE 1 1 2 8 7 9 11 5 10 4 3 6 12 12 13 14 14 353450 ...
Страница 18: ...GENERAL INFORMATION 1 16 7100 330695 10 00 ...
Страница 20: ...CHASSIS 2 2 7100 330695 8 11 ...
Страница 72: ...CHASSIS 2 54 7100 330695 8 11 ...
Страница 74: ...SCRUBBING 3 2 7100 330695 7 01 ...
Страница 92: ...SCRUBBING 3 20 7100 330695 10 00 10 Close the tank cover 11 Reinstall the drain hose in the tank ...
Страница 97: ...SCRUBBING 3 25 7100 330695 10 00 17 Pull the recovery tank up and out of the machine frame ...
Страница 148: ...SCRUBBING 3 76 7100 330695 10 00 4 Remove both squeegee mounting knobs 5 Pull the squeegee assembly off the machine ...
Страница 242: ...ELECTRICAL 4 74 7100 330695 8 11 Fig 1 Electrical Schematic S N 7100xxx02700 1 2 3 4 5 6 7 8 ...
Страница 243: ...ELECTRICAL 4 75 7100 330695 8 11 Fig 1 Electrical Schematic S N 7100xxx02700 1 2 3 4 5 6 7 8 10 9 ...
Страница 244: ...ELECTRICAL 4 76 7100 330695 8 11 Fig 1 Electrical Schematic S N 7100xxx02700 9 10 ...
Страница 248: ...ELECTRICAL 4 80 7100 330695 8 11 Fig 3 Wire Harness Group S N 7100xxx02700 ...
Страница 249: ...ELECTRICAL 4 81 7100 330695 8 11 Fig 3 Wire Harness Group S N 7100xxx02700 ...
Страница 250: ...ELECTRICAL 4 82 7100 330695 8 11 Fig 3 Wire Harness Group S N 7100xxx02700 ...
Страница 251: ...ELECTRICAL 4 83 7100 330695 8 11 Fig 3 Wire Harness Group S N 7100xxx02700 ...
Страница 252: ...ELECTRICAL 4 84 7100 330695 8 11 Fig 4 Wire Harness Group S N 7100xxx00001 02699 ...
Страница 253: ...ELECTRICAL 4 85 7100 330695 8 11 Fig 4 Wire Harness Group S N 7100xxx00001 02699 ...
Страница 254: ...ELECTRICAL 4 86 7100 330695 8 11 Fig 4 Wire Harness Group S N 7100xxx00001 02699 ...
Страница 255: ...ELECTRICAL 4 87 7100 330695 8 11 Fig 4 Wire Harness Group S N 7100xxx00001 02699 ...
Страница 256: ...ELECTRICAL 4 88 7100 330695 8 11 Fig 5 FaST Electrical Schematic S N 7100xxx01709 ...
Страница 294: ...ELECTRICAL 4 126 7100 330695 8 11 ...
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