Toshiba TW40F80 User Manual Page 88
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88
3. PICTURE ADJUSTMENT
Four screens for Normal/Full, Theater wide 1, Theater Wide
2, Theater Wide 3 are provided for the adjustments. When
making the adjustments, receive the U/VHF or CABLE
broadcasting signal or the built-in pattern signal of the mi-
croprocessor to make a synchronization with the frequency
of the adjusting screen with the unit..
This adjustment program is prepared as the microprocessor
function of the set and it is possible to adjust by the remote
controller attached.
3-1. Outline of the Modification Process of
the Storing Adjustment Data
Set the convergence adjustment screen.
The adjusted data is stored in the memory inside Q713
E
2
CPROM which is a non-volatile memory.
The RAM data inside Q701 is lost when the power turns
off. So the initial operation status is set by the software com-
mand from the microprocessor QA01 every time when the
unit turns on.
The data adjusted manually through the screen by displaying
the adjusting screen on the display is once written on RAM
inside Q701. Adjust each adjusting point and store the modi-
fied total data on RAM as correct one into Q713 E
2
PROM.
The adjustment is carried out for each screen mode, and its
order is as follows; Normal/Full ® Theater Wide 1 ® the-
ater Wide 2 ® Theater Wide 3. (When the adjustment value
is saved after adjusting Normal/Full, the microprocessor cal-
culates the adjustment values for Theater Wide 1, 2 and 3
based on the adjustment value of Normal/Full mode and sets
the values for Theater Wide 1, 2 and 3 to the closed values to
require minimum adjustment.)
Normal full distortion
modification
(G screen)
Normal full
color matching
(R, B screen)
Theater wide 1
distortion modification
(G screen)
Theater wide 1
color matching
(R, B screen)
1. Push "7" key of the remote
controller to save.
2. turn "PIC-SIZE" key of the
remote controller ON
Theater wide 2
distortion modification
(G screen)
Theater wide 2
color matching
(R, B screen)
Theater wide 3
distortion modification
(G screen)
Theater wide 3
color matching
(R, B screen)
1. Push "7" key of the remote
controller to save.
2. turn "PIC-SIZE" key of the
remote controller ON
1. Push "7" key of the remote
controller to save.
2. turn "PIC-SIZE" key of the
remote controller ON
1. Push "7" key of the remote
controller to save.
2. turn "PIC-SIZE" key of the
remote controller ON
END
Fig. 11-2
- PROJECTION TELEVISION 1
- Contents 2
- Contents Page 2 3
- Contents Page 3 4
- 2-1. Improved Serviceability 5
- 2-3. Quality Control 5
- 3. SPECIFICATIONS 6
- 4. FRONT VIEW 7
- Fig. 1-2 8
- Fig. 1-3 8
- Fig. 1-4 9
- Fig. 1-5 10
- 8. CONSTRUCTION OF CHASSIS 11
- 1. CIRCUIT BLOCK 12
- 12 13 14 13
- Fig. 2-4 15
- 2. POP TUNER 16
- 3. MICROCOMPUTER 18
- Fig. 3-2 19
- 5. EEPROM (QA02) 21
- 6. ON SCREEN FUNCTION 21
- 7. SYSTEM BLOCK DIAGRAM 22
- 8. LOCAL KEY DETECTION METHOD 23
- 10. ENTERING TO SERVICE MODE 27
- 11. TEST SIGNAL SELECTION 27
- 12. SERVICE ADJUSTMENT 27
- (Example of screen display) 28
- SELF CHECK 28
- 14. TROUBLESHOOTING CHART 31
- No picture 32
- 14-5. No Indication On Screen 33
- 14-4. Memory Circuit Check 33
- 1. DVD SWITCH BLOCK DIAGRAM 34
- 2. OUTLINE 35
- 1. OUTLINE 36
- 2. CIRCUIT OPERATION 36
- SECTION V: WAC CIRCUIT 36
- • Pin Function 38
- 3. BLOCK DIAGRAM 41
- PROCEDURES 42
- 4-2. Raster Horizontal One 43
- 2. PRINCIPLES OF OPERATION 44
- SECTION VI: DUAL CIRCUIT 44
- Fig. 6-1 45
- 4. CIRCUIT OPERATION 46
- Fig. 6-2 47
- Signal reception circuit 48
- Fig. 6-5 QY01 50
- Fig. 6-6 QY01 51
- 2. CIRCUIT DESCRIPTION 57
- • Terminal description (PZ01) 58
- 2. V OUTPUT CIRCUIT 60
- 2. HORIZONTAL DRIVE CIRCUIT 66
- 4. HORIZONTAL OUTPUT CIRCUIT 68
- 5-1. Theory of Operation 75
- 6. HIGH VOLTAGE CIRCUIT 77
- 7. X-RAY PROTECTION CIRCUIT 79
- 8-1. Outline 80
- 8-2. Operation 80
- (SIDE DPC CIRCUIT) 81
- 2. DIODE MODULATOR CIRCUIT 82
- 3. ACTUAL CIRCUIT 83
- Fig. 11-1 Block diagram 87
- 3. PICTURE ADJUSTMENT 88
- 3-2. Service Mode 89
- Fig. 11-5 91
- 3-2-5. Operation procedure 92
- 3-3-2. Theater Wide1 93
- Fig. 11-7 93
- Fig. 11-8 93
- 3-3-3. Theater Wide 2 94
- Fig. 11-9 94
- Fig. 11-10 94
- 3-3-4. Theater Wide 3 95
- Fig. 11-11 95
- Fig. 11-12 95
- 4. CASE STUDY 96
- 5. TROUBLESHOOTING 97
- 6. CONVERGENCE OUTPUT CIRCUIT 98
- Fig. 11-14 99
- Fig. 11-6 100
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