Chapter 2---System Description
Table
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| Horizontal / Vertical Deflection Board |
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| INPUTS | DESCRIPTION |
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| H_OUT_ | Horizontal output flyback pulse, about 800 VPP |
| FLYBACK | |
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| H_LOCK+ | Horizontal interlock for yoke connectors. This should be about 5 |
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| V when closed or 15 V when open. |
| H_RED+ | Output of horizontal red centering (also top of the red horiz yoke). |
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| About + 5 Vdc. |
| H_GRN+ | Output of horizontal green centering (also top of the green horiz |
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| yoke). About + 5 Vdc. |
| H_BLU+ | Output of horiz. blue centering (also top of the blue horiz yoke). |
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| About + 5 Vdc. |
| V_RED+ | Output of red vertical amplifier. about 40 VPP |
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| V_GRN+ | Output of green vertical amplifier. about 40 VPP |
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| V_BLU+ | Output of blue vertical amplifier. about 40 VPP |
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| +15 V | +15 volt supply for use by SRB |
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| +5 V | +5 volt supply for use by SRB |
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| OUTPUTS | DESCRIPTION |
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| H_LOCK- | Horizontal interlock for yoke connectors. It should be 5 V when |
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| closed or 0 V when open. |
| V_RED- | Current feedback of red vertical amplifier |
| V_RED_SENS | |
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| V_GRN- | Current feedback of green vertical amplifier |
| V_GRN_SENS | |
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| V_BLU- | Current feedback of blue vertical amplifier |
| V_BLU_SENS | |
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| FRONT/REAR | Front or rear projection status line. Front = low and rear = high |
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| FLOOR/CEIL | Floor or ceiling status line. Floor = low and ceiling = high |
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| H_CUR_FDBK | Horizontal current feed back, a DC signal proportional to horz. |
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| output current |
| DEFL_OK | Deflection status line high (about 2 V) = good low = no scan |
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| Convergence/Deflection Board |
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| INPUTS | DESCRIPTION |
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| X_RED+ | Output of horizontal red convergence amplifier |
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| X_GRN+ | Output of horizontal green convergence amplifier |
Model 200 Service Manual |
