Canon D78-5132, Service Manual

Page: 7 / 134

CONTENTS
Page
Part 1: General Information
1. FEATURES.......................................................................................................1-1
1.1 Development objectives............................................................................1-1
1.2 Major Features..........................................................................................1-2
1.3 LV-7105 Features (Details).......................................................................1-3
2. LV-7105 SPECIFICATIONS .............................................................................1-5
2.1 Main unit ...................................................................................................1-5
2.2 Connectors ...............................................................................................1-6
2.3 Accessories ..............................................................................................1-6
2.4 Other specifications ..................................................................................1-6
3. NOMENCLATURE............................................................................................1-7
3.1 Main unit ...................................................................................................1-7
3.2 Top controls ..............................................................................................1-8
3.3 Rear panel terminals.................................................................................1-9
3.4 Computer Input terminal ...........................................................................1-10
3.5 Control port connector ..............................................................................1-10
3.6 Remote control .........................................................................................1-11
3.7 Operating range ........................................................................................1-12
4. COMMENTARY ................................................................................................1-13
4.1 External appearance design .....................................................................1-13
4.2 Projection Lens .........................................................................................1-13
4.3 Hybrid gamma correction..........................................................................1-14
4.4 Fan speed control .....................................................................................1-14
5. CONNECTING..................................................................................................1-16
5.1 Connection to the computer......................................................................1-16
5.2 Connecting to the video equipment ..........................................................1-17
6. SETTING-UP THE PROJECTOR.....................................................................1-18
6.1 Positioning the projector ...........................................................................1-18
6.2 Installation precautions .............................................................................1-18
7. SUPPORTED COMPUTER SYSTEM MODE ..................................................1-20
Part 2: Repair Information
1. SAFETY INSTRUCTIONS ................................................................................2-1
2. CIRCUIT PROTECTIONS ................................................................................2-2
2.1 Fuse ..........................................................................................................2-2
2.2 Thermal Switch .........................................................................................2-2
2.3 Warning Temperature and Power Failure Protection ...............................2-3
2.4 Air Filter Care and Cleaning .....................................................................2-3
3. MECHANICAL DISASSEMBLIES.....................................................................2-5
3.1 Cabinet Top Removal ...............................................................................2-5
3.2 Cabinet Front and Speaker Removal .......................................................2-5
3.3 Main Board Removal ................................................................................2-6
3.4 Fuse Removal...........................................................................................2-6
3.5 AV and Component Board Removal.........................................................2-7
III