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| TROUBLESHOOTING & REPAIR |
INPUT BOARD TEST(CONTINUED)
TABLE F.5 – INPUT BOARD VOLTAGE CHECKS
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TEST POINTS |
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| VOLTAGE | COMMENTS | |||||||||||
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| READINGS |
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PLUG J61 PIN 8 (H1D) |
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| SAME AS | Present when Input | ||||||||||
TO |
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| INPUT | Switch SW1 is closed. |
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PLUG J61 PIN 2 (612) | #612 |
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| VOLTAGE |
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PLUG J61 PIN 10 (T3) |
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| A LITTLE LESS | This is | ||||||||||
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| T1 |
| THAN INPUT | will normally be present 6 sec- | |||||||||||
PLUG J61 PIN 2 (T1) |
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| VOLTAGE | onds after activating Input Switch | ||||||||||||
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| SW1. The |
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| should remain for approximately 6 |
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| seconds and then be removed. |
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| T3 |
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PLUG J60 PIN 3 (238) |
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| J60 |
| 13 – 15 VDC | This is the Coil Voltage for the | ||||||||||
TO |
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PLUG J60 PIN 4 (604) |
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| DC Voltage will be present 6 sec- |
| #238 #604 |
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| onds after Input Switch SW1 is | ||||||||||||
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| activated. This 13 - 15 VDC will |
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| remain for approximately 6 sec- |
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| onds and then be removed. The |
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| Relay is controlled by the Control |
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| Board. See the Wiring Diagram. |
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PLUG J60 PIN 3 (238) |
| J60 |
| 13 – 15 VDC | This is the DC Coil Voltage for the |
TO |
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| Control Relay. Normally this DC |
PLUG J60 PIN 5 (232) |
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| Voltage will be present approxi- |
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| #238 | mately 12 seconds after Input | |
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| Switch SW1 is activated. The | ||
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| Relay is controlled by the Control |
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| PC Board. See the Wiring |
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| Diagram. |
| #232 |
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