CHAPTER 1 TECHNICAL DATA AND FEATURES Frontpage.............................................................................. 1-1 Table of contents..................................................................... 1-2 Survey of sets and features,PCB's and p P 's .......................... 1-3 Safety instructions...............................................................1-4/5 Sart - up Phase of the control |jP ........................................... 1-6 Technical specifications.......................................................... 1-7 Survey of direction for u se ...................................................... 1-8 Front view of the set, Remote control..................................... 1-9 Direction for use............................................................... 1-10/13 CHAPTER 2 TOOLS FOR ERROR DIAGNOSIS Servicing of SMDs............................................................... 2-1/4 Dismantling of the set ......................................................... 2-5/6 Circuit descriptions............................................................2-7/16 IN/OUT Block diagram.....................................................2-17/19 Error diagnosis system ................................................... 2-20/25 CHAPTER 3 PRINTED BOARDS Adjustment procedures........................................................3-1/3 List of abbreviations.............................................................3-4/6 Wiring diagram........................................................................3-7 Block diagram video part........................................................3-8 Block diagram audiol p a rt...................................................... 3-9 Block diagram digital p a rt.................................................... 3-10 Block diagram power supply part........................................3-11 Mother board QMB PCB drawing mother board Q M B ....................................3-12/13 Circuit diagram P S ................................................................3-14 Head Amplifier HV/HAcircuit diagram............................. 3-15 Deck electronics-DE circuit diagram.....................................3-16 Display control-DC circuit diagram ...................................... 3-17 Video/Chroma-VS circuit diagram.........................................3-18 Audio linear-AL circuit diagram ..........................................3-18 IN/OUT-I/O circuit diagram ................................................. 3-19 Secam-VS circuit diagram................................................... 3-20 Frontend-FV circuit diagram................................................. 3-21 Audio FM-AF circuit diagram ............................................. 3-22 Circuit diagram OSD, FOME, VPS .................................... 3-23 QNIC board Circuit diagram QNIC............................................................3-24 PCB drawing QNIC ..............................................................3-25 Connector board PCB drawing/Circuit diagram QBOC1..................................3-26 CHAPTER 4 TAPE DECK Page Deck parts replacement Auxiliary tools for deck adjustment......................................... 4-1 Deck layout diagrams............................................................. 4-2 Lift........................................................................................... 4-2 Head disc................................................................................ 4-3 A/C Head................................................................................ 4-4 Threading motor...................................................................... 4-4 Capstan motor........................................................................ 4-4 Pressure roller ...................................................................... 4-4 Roller unit right..................... ..................................... 4-4 Roller unit le ft......................................................................... 4-5 Adjustments Tape path................................................................................ 4-5 ..Roller unit left; roller unit right"............................................... 4-5 A/C Head................................................................................ 4-5 Horizontal distance................................................................. 4-6 Brake band............................................................................. 4-6 Tape tension adjustment......................................................... 4-6 Friction clutch control.............................................................. 4-6 Reverse brake control............................................................. 4-6 Top view, Underside v ie w ....................................................... 4-7 Exploded view Cleaning and lubrication .................................................... 4-8/9 Parts list .............................................................................. 4-10 CHAPTER 5 PARTS LIST Exploded view of cabinet parts .............................................. 5-2 Cabinet parts.......................................................................... 5-3 Mother board Q M B ........................................................... 5-4/10 QNIC board.......................................................................... 5-11 Cables, Sub p rin t.................................................................. 5-11