5 Adjustment Procedure
5.1. B VOLTAGE
Item/Preparation
Adjustment Procedure
1.
Operate the TV set.
2.
Set controls : (MARKET MODE CHK 2)
Bright ............. Minimum
Contrast ......... Minimum
Volume ............. Minimum
1.
Confirm that the indicated test points for the
specified voltage:
TPA 140 : 141 ± 2V
TPA 12 : 12 ± 1.0V
TPA 9 : 9 ± 1V
TPA 5 & TPA 6 : 5 ± 0.5V
TPA 220 : 220 ± 15V
TPA 3 : 3.3 ± 0.2V
5.2. RF AGC
Item/Preparation
Adjustment Procedure
1.
Receive a colour bar pattern.
2.
Set the input level to 69 (+1.2) db.
(75
Ω
opened)
3.
Set RF AGC in CHK 2.
1.
Set RF AGC Control such as to procedure a snowy picture.
2.
Set RF AGC Control at the point just before the voltage at AGC :
TPA 20 begins to drop.
3.
Increase the input level by 3 db and confirm that the voltage
changes.
5.3. HIGH VOLTAGE
Item/Preparation
Adjustment Procedure
1.
Operate the TV set.
2.
Receive the crosshatch pattern.
3.
Set to 0 Beam
(Screen Control : min. CONTRAST : min)
1.
Connect a DC voltage meter to D850 cathode and confirm the
voltage is 141.0 ± 2.0V.
2.
Connect a high voltage meter (Electrostatic Type) to an anode of
the picture tube.
3.
Confirm that the high voltage is within the range of 31.0 ± 0.7V.
5.4. SUB TINT
Item/Preparation
Adjustment Procedure
1.
Receive a 3.58 MHz NTSC rainbow pattern
2.
Connect oscilloscope to A21 pin 6.
3.
Set controls:
BRT............. ...CENTER
COLOUR........CENTER
CONTRAST....MAX
NTSC TINT.....CENTER
AI................ ....OFF
1.
Adjust Sub NTSC Tint so that the peak of level of waveform is
similar to Fig. 3
2.
Receive the Rainbow pattern (3.58 MHz NTSC) on both of Main
and Sub pictures.
3.
Adjust Sub NTSC Tint 2 so that the peak of level of 1.3 ± 0.5V
5.5. SUB CONTRAST
Item/Preparation
Adjustment Procedure
1.
Receive a colour bar pattern.
2.
Connect an oscilloscope to TPA37 or TPL2 (G OUT).
3.
Connect a short jumper to FBT pin3 or TPA 34 and TPA 5..
4.
Set controls:
Picture menu ........ Dynamic Normal
AI .................... ......... off
1.
Adjust Bright Colour:
a = 2.4 ± 0.2Vp-p
2.
Adjust Sub Contrast Colour:
b = 2.7 ± 0.1Vp-p
8
TC-29PS70R
Содержание TC-29PS70R
Страница 12: ...6 Conductor Views 6 1 A Board 12 TC 29PS70R ...
Страница 13: ...7 Schematic Diagrams 7 1 SCHEMATIC DIAGRAM FOR MODEL TC 29PS70R MX 12 CHASSIS 13 TC 29PS70R ...
Страница 14: ...14 TC 29PS70R ...
Страница 15: ...7 2 A Board 7 2 1 A Board 1 4 1A 2A 3A 4A 5A 6A 7A 8A 9A 15 TC 29PS70R ...
Страница 16: ...7 2 2 A Board 2 4 1A 1B 3B 5B 6B 7B 8B 2B 4B 2A 3A 4A 5A 6A 7A 8A 9A 16 TC 29PS70R ...
Страница 17: ...7 2 3 A Board 3 4 1B 2B 3B 4B 5B 6B 7B 1B 3B 5B 6B 7B 8B 2B 4B 17 TC 29PS70R ...
Страница 18: ...7 2 4 A Board 4 4 1B 2B 3B 4B 5B 6B 7B 18 TC 29PS70R ...
Страница 19: ...7 3 GM Board 7 3 1 GM Board 1 2 1A 2A 3A 4A 5A 7A 6A 19 TC 29PS70R ...
Страница 20: ...7 3 2 GM Board 2 2 1A 2A 3A 4A 5A 7A 6A 20 TC 29PS70R ...
Страница 21: ...7 4 H Board 7 4 1 H Board 1 2 1A 2A 3A 4A 5A 6A 7A 8A 9A 21 TC 29PS70R ...
Страница 22: ...7 4 2 H Board 2 2 1A 2A 3A 4A 5A 6A 7A 8A 9A 22 TC 29PS70R ...
Страница 23: ...7 5 YC Board 7 5 1 YC Board 1 2 1A 2A 3A 4A 5A 23 TC 29PS70R ...
Страница 24: ...7 5 2 YC Board 2 2 1A 2A 3A 4A 5A 24 TC 29PS70R ...
Страница 25: ...7 6 L Board 7 6 1 L Board 1 2 1A 2A 3A 4A 5A 25 TC 29PS70R ...
Страница 26: ...7 6 2 L Board 2 2 1A 2A 3A 4A 5A 26 TC 29PS70R ...
Страница 27: ...7 7 K Board 7 7 1 K Board 1 2 1A 2A 3A 4A 5A 27 TC 29PS70R ...
Страница 28: ...7 7 2 K Board 2 2 1A 2A 3A 4A 5A 28 TC 29PS70R ...
Страница 29: ...7 8 X Board 7 8 1 X Board 1 2 1A 2A 3A 4A 5A 29 TC 29PS70R ...
Страница 30: ...7 8 2 X Board 2 2 1A 2A 3A 4A 5A 30 TC 29PS70R ...
Страница 31: ...8 Parts Locations 31 TC 29PS70R ...
Страница 32: ...9 1 Replacement Parts List Notes 9 Replacement Parts List 32 TC 29PS70R ...