HITACHI 50V500A Repair Manual

LC37/LC37F
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TABLE OF CONTENTS
I. SPECIFICATIONS ..................................................................................................................................................................11
1. Feature................................................................................................................................................................................11
2. Main Parts and A/V Terminals ............................................................................................................................................12
3. White Balance ....................................................................................................................................................................13
4. Performance Specifications................................................................................................................................................13
5. Terminals and Other Functions ..........................................................................................................................................14
5.1 Available signal Format and Frequency ....................................................................................................................14
5.2 Terminal Shape ..........................................................................................................................................................14
5.3 DVI Specification ........................................................................................................................................................15
5.3.1General Specification ..................................................................................................................................15
5.3.2DVI Connector Specification........................................................................................................................15
6. Aspect Specification For Each Input Source......................................................................................................................16
6.1 Aspect Mode ..............................................................................................................................................................16
6.1.1Aspect Mode: Off ........................................................................................................................................16
6.1.2Aspect Mode: On ........................................................................................................................................17
6.1.3Aspect Mode Resolution..............................................................................................................................18
6.1.4Black Side Panel Operation ........................................................................................................................19
6.1.5Vertical Position Operation ..........................................................................................................................19
6.2 PIP Mode....................................................................................................................................................................20
6.2.1PIP Available Mode......................................................................................................................................20
6.2.2PIP Mode Resolution ..................................................................................................................................21
II. FEATURES AND FUNCTIONS ..............................................................................................................................................22
1. Front Panel Controls ..........................................................................................................................................................22
2. Rear Panel Jacks ..............................................................................................................................................................25
3. Lamp Replacement ............................................................................................................................................................29
4. On-Screen-Display Features ..............................................................................................................................................33
4.1 Video Setting ..............................................................................................................................................................34
4.2 Channel Manager ......................................................................................................................................................38
5. Connecting AV Network......................................................................................................................................................40
5.1 AV Network Setup Wizard..........................................................................................................................................41
5.2 AV Network Codes ....................................................................................................................................................42
5.3 How To Use AV Network ............................................................................................................................................43
5.4 How To Use The Aspect Mode ..................................................................................................................................48
III. ASSEMBLED P.W.B. ADJUSTMENT ..................................................................................................................................49
1. Memory Initialization ..........................................................................................................................................................49
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Table 1. IC Parameter List ................................................................................................................................................61
Table 2. Factory Reset........................................................................................................................................................88
2. Factory Reset ....................................................................................................................................................................50
3. Raster Position Adjustment ................................................................................................................................................51
3.1 Mechanical Raster Position Adjustment ....................................................................................................................51
3.1.1Geometry Specifications..............................................................................................................................51
3.1.2Adjustment Mechanism................................................................................................................................52
3.1.3Flow Chart For Adjustment ..........................................................................................................................53
3.1.4Adjustment Method......................................................................................................................................54
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3.2 Electrical (IC) Picture Position Adjustment................................................................................................................54
4. Display Area Specification ..................................................................................................................................................55
5. Amplitude Adjustment ........................................................................................................................................................56
5.1 RGB Amplitude Adjustment........................................................................................................................................56
6. Sub-Contrast Adjustment....................................................................................................................................................56
7. Ghost Adjustment ..............................................................................................................................................................57
8. V.COM (Flicker) Adjustment................................................................................................................................................57
9. NASH (Vertical Line) Adjustment........................................................................................................................................57
10.(Gamma) White Balance Adjustment..................................................................................................................................58
11.Color (White) Uniformity Adjustment ..................................................................................................................................59
12.Door Protection Operation Check ......................................................................................................................................60
13.Lamp Holder Protection Operation Check..........................................................................................................................60
14.High Temperature Protection Operation Check..................................................................................................................60
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TABLE OF CONTENTS