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TELEREADER CWR-685E - 4 Troubleshooting; Trouble of Built-In Display; (A) no Display

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12
deo signal, which is picked up from the VIDEO OUT terminal in the rear panel. The resistor R8 is
inserted so that the output may be 1.0 ±0.2 V when a load of 75 ohms is applied to the VIDEO
OUT terminal.
4. Troubleshooting
(Troubleshooting flow charts)
4.1 Trouble of built-in display
(A) No display
The built-in display of this System appears in about ten seconds after the power switch is turned
on. If no display appears in more than 15 seconds, check if the brightness control on the back pa-
nel is turned to the dark side – in such a case return to the "light" side (turning clockwise).
If no display still appears, check as follows: