Toshiba 42HL67 Service Manual - Page 10
DVI/Computer Audio - power supply
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UPC - 022265000458
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Dead C No Are any LEDs Blinking on the front of the unit? Suspect Power Supply, Low B Supply - Then Suspect system Control (SYSCON). Yes Use Blink Codes to help determine problem area. Questions or Statements in flow chart pertain to only the defined areas. It is assumed that all other inputs and functions operate correctly. Analog Processing includes: Composite Video/Audio S-Video/Audio NTSC Tuner Video/Audio Digital Audio after Digital Processing Color stream Video/Audio DVI/Computer Audio In Digital Processing includes: RGB Computer Video HDMI ATSC (8Vsb) HD Tuner Signals Ethernet Cable Card is a function of Digital Signal Processing Area 9
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Dead
C
Are
any LEDs
Blinking on the
front of the
unit?
No
Yes
Suspect Power Supply,
Low B Supply – Then
Suspect system Control
(SYSCON).
Use
Blink Codes
to
help determine
problem area.
Cable Card is a function of Digital
Signal Processing Area
Analog Processing includes:
Composite Video/Audio
S-Video/Audio
NTSC Tuner Video/Audio
Digital Audio after Digital Processing
Color stream Video/Audio
DVI/Computer Audio In
Digital Processing includes:
RGB Computer Video
HDMI
ATSC (8Vsb) HD
Tuner Signals
Ethernet
Questions or Statements in flow chart
pertain to only the defined areas.
It is
assumed that all other inputs and
functions operate correctly.
9