very helpfull
circuit diagram and sparepart list available
Text excerpt from page 106 (click to view)
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Display
A
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B
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12
1 5.1CH Lights when analog 5.1 channel output is selected. 2 V-PART Lights when playing a video part of a DVD disc.
C
10 CHP Indicates that the character display is showing a DVD chapter number. 11 REMAIN Lights when the character display is showing the time or number of tracks/titles/chapters remaining. 12 Character display 13 Lights when a disc is paused. 14 Lights when a disc is playing. 15 D Lights when a Dolby Digital soundtrack is playing. 16 DTS Lights when a DTS soundtrack is playing.
3 PRGSVE Lights when the video output is progressive scan. 4 Lights during multi-angle scenes on a DVD disc. 5 GUI (Graphical User Interface) Lights when a menu is displayed on-screen. 6 GRP Indicates that the character display is showing a DVD-Audio group number.
D
7 TITLE Indicates that the character display is showing a DVD-Video title number. 8 Lights when V/TruSurround is active.
9 TRK Indicates that the character display is showing a track number.