Table of Contents Page General Section .................................. 1-2…1-30 Test Equipment ............................................................................ 1-2 Type Label on the set (Version Number) ..................................... 1-3 Module List ................................................................................... 1-3 Technical Data ............................................................................. 1-4 Safty Advices / Service Notes ...................................................... 1-5 Circuit Diagram Symbols ............................................................. 1-6 Operating Hints ARGANTO 82 MW 82-505 IRDT/DPL) ..................................... 1-10 Service and Special Functions ................................................... 1-28 Alignment.............................................. 2-3…2-4 Layout of the PCBs and Circuit Diagrams ......................... 3-1…3-46 Keyboard ...................................................................................... 3-1 Chassis Board .............................................................................. 3-3 Chassis Board (Enlarged) ............................................................ 3-9 Oscillograms (Chassis) .............................................................. 3-13 Mains Chassis ............................................................................ 3-13 Signal Chassis A ........................................................................ 3-21 Signal Chassis B ........................................................................ 3-25 Panorama View .......................................................................... 3-28 Mains Switch Board ................................................................... 3-29 YUV Interface ............................................................................. 3-31 Socket Board ............................................................................. 3-33 Processor Board ........................................................................ 3-34 CRT Panel ................................................................................. 3-37 IRDT Module .............................................................................. 3-39 Dolby Surround Board ............................................................... 3-41 AF Amplifier 3-45 Spare Parts Lists .................................. 4-1…4-6

Table of Contents Page Notes ............................................................................................... 2 List of Modules – Service Manual with Supplements ...................... 3 Module List ...................................................................................... 3 Technical Data ................................................................................ 4 Chassis Board ................................................................................. 5 Chassis Board (enlarged) ............................................................. 13 Oscillograms Chassis ................................................................... 17 Mains Chassis ............................................................................... 19 Chassis Signal A ........................................................................... 23 Chassis Signal B ........................................................................... 27 Processor Board 293052192400 .................................................. 30 AF Amplifier 295041048400 ......................................................... 33 CRT Panel 293051222500 ........................................................... 35 Keyboard 295010838300 .............................................................. 37 Spare Parts Lists ........................................................................... 39