Sony KV-21FA315 Manual De Servicio página 49

Sub Hue, Sub Color Adjustment
(SHUE, SCOL)
1. Input color-bar signal at 75%.
2. Access Service Adjustment Mode.
3. Set (PIC) to Max and (COL) to 50%.
4. Connect an oscilloscope probe to C Board, CN705 pin 4 (Blue Out).
5. Press 2 or 5 to select the VP1 device.
6. Press 1 or 4 to display the SHUE or SCOL OSD item.
7. While showing the SHUE OSD item, adjust the waveform by pressing
3 or 6 until the second and third bars show the same level
(V2 = V3 < 0.15Vp-p). Set Sub Hue -2 Step.
8. While showing the SCOL OSD item, adjust the waveform by pressing
3 or 6 until the fi rst and fourth bars show the same level
(V1 = V4 < 0.15Vp-p). Set Sub Col + 2 Step.
V1 V2 V3 V4
9. Press MUTING then ENTER to write into memory.
V. Size Adjustment (VSIZ)
1. Input a crosshatch signal.
2. Access Service Adjustment Mode.
3. Press 2 or 5 to select the DEF device.
4. Press 1 or 4 to display the VSIZ OSD item.
5. Adjust value of VSIZ by pressing 3 or 6 for the best vertical size.
6. Press MUTING then ENTER to write into memory.
V. Center Adjustment (VPOS)
Perform this adjustment after performing H. Frequency
(Free Run) Check.
1. Input a crosshatch signal.
2. Access Service Adjustment Mode.
3. Press 2 or 5 to select the DEF device.
4. Press 1 or 4 to display the VPOS OSD item.
5. Adjust value of VPOS by pressing 3 or 6 for the best vertical center.
6. Press MUTING then ENTER to write into memory.
KV-21FA315/21FA515/29FA315/29FA515
H. Center Adjustment (HPOS)
Perform this adjustment after performing H. Frequency (Free Run)
Check.
1. Input a crosshatch signal.
2. Access Service Adjustment Mode.
3. Press 2 or 5 to select the DEF device.
4. Press 1 or 4 to display the HPOS OSD item.
5. Adjust the value of HPOS by pressing 3 or 6 for the best horizontal
center.
6. Press MUTING then ENTER to write into memory.
H. Size Adjustment (HSIZ)
1. Input a monoscope signal.
2. Access Service Adjustment Mode.
3. Press 2 or 5 to select the DEF device.
4. Press 1 or 4 to display the HSIZ OSD item.
5. Adjust value of HSIZ by pressing 3 or 6 for the best horizontal size.
6. Press MUTING then ENTER to write into memory.
KV-21FA315/21FA515/29FA315/29FA515
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