2. SERVICE ADJUSTMENTS
| ADJUSTMENT | TIMING | SETTING | VR | ADJUSTMENT PROCEDURE |
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| ITEM | PATTERN | LOCATION |
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| VERTICAL | PATTERN GENERATOR | CONTRAST VR | VR303 | Adjust VR303 to make equal distance |
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| LINEARITY | MODE | AND BRIGHT |
| between |
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| ADJUSTMENT | PATTERN | VR TO CENTER. |
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| HORIZONTAL | PATTERN GENERATOR | CONTRAST VR | VR401 | Turn off horizontal sync. (pin to ground) |
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| HOLD AD- | MODE | AND BRIGHT |
| Adjust VR401 to make pattern upright. |
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| JUSTMENT | PATTERN | VR TO CENTER. |
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| GEOMETRICE | PATTERN GENERATOR | CONTRAST VR |
| Adjust eigth magnets on the deflection |
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| DISTORTION | MODE | AND BRIGHT |
| yoke make picture to the best condition. |
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| PATTERN | PATTERN | VR TO CENTER. |
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| ADJUSTMENT |
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| VIDEO | PATTERN GENERATOR | CONTRAST VR |
| The video is centered by roating the two |
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| CENTERING | MODE MONOSCPE | AND BRIGHT |
| small at the rear of the yoke. |
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| ADJUSTMENT | PATTERN | VR TO CENTER. |
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| VIDEO TILT | PATTERN GENERATOR | CONTRAST VR |
| Loosen the screw on the rear of deflection |
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| ADJUSTMENT | MODE | AND BRIGHT |
| yoke, rotating the yoke to correct position |
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| PATTERN | VR TO CENTER. |
| tighten the screw. |
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| HORIZONTAL | PATTERN GENERATOR | CONTRAST VR | L402 | Adjust L402 to make picture width within |
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| WIDTH AD- | MODE MONOSCPE | AND BRIGHT |
| "2" position. |
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| JUSTMENT | PATTERN | VR TO CENTER. |
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| VERTICAL | PATTERN GENERATOR | CONTRAST VR | VR302 | Adjust VR302 make height to "1.5" |
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| SIZE ADJUST- | MODE MONOSCPE | AND BRIGHT |
| position. |
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| MENT | PATTERN | VR TO CENTER. |
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| VERTICAL | PATTERN GENERATOR | CONTRAST VR | VR301 | Adjust VR301 to make pattern stop rolling. |
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| HOLD AD- | MODE MONOSCPE | AND BRIGHT |
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| JUSTMENT | PATTERN | VR TO CENTER. |
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| NTERLACE | CAMERA SIGNAL | CONTRAST VR | VR301 | Adjust VR301 have gap of vertical scan |
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| ADJUSTMENT |
| AND BRIGHT |
| line distinguish clearly. |
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| VR TO CENTER. |
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| RASTER | DISCONNECT VIDEO | CONTRAST VR | VR402 | Adjust VR402 to the suitable brightness. |
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| ADJUSTMENT | SIGNAL AND | AND BRIGHT |
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| PATTERN GENERATOR | VR TO MAX. |
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| MODE |
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| PATTERN |
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| FOCUS | PATTERN GENERATOR | CONTRAST VR | VR404 | Adjust VR404 have control picture and 4 |
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| ADJUSTMENT | MODE MONOSCPE | AND BRIGHT |
| corners to be distinguished. |
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| PATTERN | VR TO CENTER. |
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| 1 | 1 |
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| 3 | 3 |
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| 5 | 5 |
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| 1 3 5 7 | 7 5 3 1 |
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| 5 | 5 |
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| 3 | 3 |
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| 1 | 1 |
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Fig. 7
I
– 7 – | i n d ex |
