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| Adjustment Items and Procedure | Tools and | Test Points | Adjustment Places | Illustration Waveforms and Values | |||
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| White Balance Adjustment |
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| Preparation |
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| Set as follows. |
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| PIX : 90% | NTSC signal generator |
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| BRT = CENT |
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| H WHITE = OFF | Color & chromaticity |
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| meter (Minolta |
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| 1. NTSC and RGB mode color temperature ... HIGH |
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| (NTSC 30 IRE) |
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| 1) Set the color temperature to “H”, and enter *30 IRE flat field sig- | * NTSC 30 IRE |
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| W9000 | |||
| nal to the input, and select the SERVICE mode. |
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| W7000 | |||
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| *X : 0.257 ±0.005 | 0.257±0.005 | |||
| 2) White balance in SERVICE mode |
| WB meter |
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| Y : 0Z.281±0.005 | 0.281±0.005 | ||||
| Adjust *RCOI and BCOI to satisfy the specification. |
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| (VGA 30 IRE) |
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| (WB: For GCOI, fix to 31) |
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| W7000 | W9000 | ||
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| *X : 0.248 ±0.005 | 0.248±0.005 |
| 3) Enter *70 IRE flat field signal to the input, and select the SER- | * NTSC 70 IRE |
| * SERVICE mode | Y : 0.265±0.005 | 0.265±0.005 | ||
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| VICE mode. |
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| WB RCOI | (NTSC 70 IRE) |
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| Adjust *CXA2011 No.5 RDOF and No.7 BDOF to satisfy the |
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| WB BCOI | W7000 | W9000 | ||
| specification. |
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| * SERVICE mode | *X : 0.267 ±0.003 | 0.267±0.003 | ||
| (Fix CXA2011 No.6 GDOF to 31) |
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| CXA2011 No. 5 | Y : 0.293 ±0.003 | 0.293±0.003 | ||
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| RDOF | (VGA 70 IRE) |
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| W7000 | W9000 | |
| 4) Repeating the steps 2) and 3), adjust so that 30 IRE and 70 IRE | * NTSC 10 IRE |
| CXA2011 No. 7 | ||||
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| *X : 0.251 ±0.003 | 0.251±0.003 | |||||
| satisfy the specification. |
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| BDOF | ||||
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| Y : 0.276 ±0.003 | 0.276±0.003 | ||||
| 5) Enter *10 IRE flat field signal to the input, and select the SER- |
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| VICE mode. |
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| (NTSC 10 IRE) |
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| Adjust *BIAS3 No.00 RLBS and No.01 BLBS to satisfy the |
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| W7000 | W9000 | ||
| specification. |
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| *X : 0.276 | 0.266 | ||
| 6) In the SERVICE mode, set CXA1839 No.12 | *NTSC 10 STEP |
| * SERVICE mode | Y : 0.289 | 0.265 | ||
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| (VGA 10 IRE) |
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| CXA1839 No.13 DPIX to “2”. |
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| BIAS3 No00. RLBS |
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| W7000 | W9000 | ||||
| 7) Enter |
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| BIAS3 No01. BLBS | ||||
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| *X : 0.271 | 0.253 | ||||
| each step of 0 IRE to 100 IRE is homogeneous and not extremely |
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| * SERVICE mode | ||||
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| Y : 0.275 | 0.263 | ||||
| different from other parts. |
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| CXA1839 No. 12 | ||||
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| 8) Save the data. |
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| CXA1839 No. 13 |
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| Lens Focus Adjustment |
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| DPX |
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| 1) Loosen a focus locking screw. |
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| 2) Adjust the lens focus. |
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