Toshiba TW40F80 User Manual Page 37
- Page / 101
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- 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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