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| IIC_DATA |
| IIC data line. Bidirectional serial line for synchronous data transfer |
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| between the SCB and the Horizontal/Vertical Deflection board. |
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| I=Input, O=Output. |
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| O V_RED_LIN_CONTROL |
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| O V_GRN_LIN_CONTROL |
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| O V_BLU_LIN_CONTROL |
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| O V_RED_EDGE_CONTROL |
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| O V_GRN_EDGE_CONTROL |
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| O V_BLU_EDGE_CONTROL |
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| O L/R_KEY_CONTROL |
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| O L/R_PIN_CONTROL |
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| O | WIDTH_CONTROL |
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| O H_RED_CENT_CONTROL |
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| O H_GRN_CENT_CONTROL |
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| O H_BLU_CENT_CONTROL |
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| O V_RED_CENT_CONTROL |
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| O V_GRN_CENT_CONTROL |
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| O V_BLU_CENT_CONTROL |
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| O | FRONT/REAR |
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| O | FLOOR/CEIL |
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| High Voltage Power Supply |
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| INPUT |
| DESCRIPTION |
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| /HV_OK |
| The high voltage status line. Low = operational HVPS. |
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| Low Voltage Power Supply |
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| INPUTS |
| DESCRIPTION |
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| + 5.1V |
| Power for digital portion of SCB |
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| +15V |
| Power for the analog portions of the SCB |
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| Power for the analog portions of the SCB |
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| +5.1V_Stby |
| Standby power to the CPU and peripherals. |
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| /LV_OK |
| Tells SCB status of |
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| OUTPUTS |
| DESCRIPTION |
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| FAN_ENA |
| Signal to enable the 24V standby power |
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| LV_ENA |
| Signal to enable the LVPS |
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| Arc Lamp Power Supply |
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| INPUTS |
| DESCRIPTION |
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| /LAMP_OK |
| Informs SCB that the Arc Lamp is installed, temperature is within |
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| limits, and lamp cooling blower is working |
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Model 200 Service Manual |