2.3. Adjustment for White Balance
Preparation:
1. Receive the white balance pattern and aging should have been performed over 30 minutes.
2. Set the picture menu to DYNAMIC NORMAL.
3. Degausse the CRT face.
4. Fix the CRT colour analyzer receiver unit to CRT face.
Adjustment of Low Light.
1. Adjustment Sub Bright, so that Y = 6.3 ± 1.0 nit.
2. Adjustment R-CUT OFF, so that X = 0.235 ± 0.010 nit.
3. Adjustment G-CUT OFF, so that Y = 0.235 ± 0.010 nit.
Adjustment of High Light
1. Adjustment Sub Bright, so that Y = 270 nit.
2. Adjustment R-Drive, so that X = 0.265 ± 0.010 nit.
3. Adjustment B-Drive, so that Y = 0.265 ± 0.010 nit.
2.4. Adjustment for CRT CUT OFF
Preparation:
1. Connect the oscilloscope probe to TPL5.
2. Screen VR min.
3. Set the data Sub Bright, Bright.
4. In service Mode at “Bright” dac press [5] in factory mode to enter vertical line and adjust by Volume Down or Up button.
5. Adjust “Screen VR” until 1-H Line appears. (AKB OFF)
6. Adjust Bright, so the voltage at TPL5 is 130 volt.
7. Press digit key “5” AKB ON and confirm in picture mode.
6
TC-21PM70R
Summary of Contents for TC-21PM70R
Page 4: ...1 5 GP3 Chassis Block Diagram 4 TC 21PM70R ...
Page 12: ...3 Conductor Views 12 TC 21PM70R ...
Page 13: ...4 Schematic Diagram 13 TC 21PM70R ...
Page 14: ...14 TC 21PM70R ...
Page 17: ...4 1 3 A BOARD 3 4 1B 1C 2C 3C 4C 5C 6C 2B 3B 4B 5B 6B 7B 8B 9B 10B 11B 12B 17 TC 21PM70R ...
Page 18: ...4 1 4 A BOARD 4 4 1C 2C 3C 4C 5C 6C 18 TC 21PM70R ...
Page 19: ...4 2 L BOARD 4 2 1 L BOARD 1 2 1A 2A 3A 4A 5A 6A 7A 19 TC 21PM70R ...
Page 20: ...4 2 2 L BOARD 2 2 1A 2A 3A 4A 5A 6A 7A 20 TC 21PM70R ...
Page 21: ...5 Parts Location 21 TC 21PM70R ...
