Samsung HPR4272X/XAC, Service Manual

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Reference Information
14-2 Samsung Electronics
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SD/HD broadcasts and the TV's display capability are related
1. A digital broadcast should be transmitted in wide screen (an aspect ratio of 16:9) HD. If the broadcasting station converts a
conventional program created in normal screen (aspect ratio of 4:3) into a digital signal and broadcasts the signal, the left and
right of the picture will not be displayed.
This symptom also appears in other manufacturer's TV's. The three appliance companies are trying to resolve the problem
through the Ministry of Information and Communication.
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When watching an SD (normal) broadcast through a Digital (Wide) TV (480P normal broadcast)
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When watching an SD (normal) broadcast through a Digital Ready (Wide) TV (Using a set-top-box)
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When watching an analog (normal) broadcast through a wide TV
(When watching a broadcast after changing the aspect ratio of the TV from 16:9 (wide screen) to 4:3)
2. When watching a DVD title or video tape in wide screen (21:9) through a wide (16:9) TV, watching video from a computer or
game console by selecting the aspect ratio to 4:3, or watching video from a DVD, VCR, computer or game console through a
wide TV by selecting the aspect ratio to normal (4:3) or wide (21:9), the left and right, or top and bottom of the picture will not be
displayed.
This symptom appears in other manufacturer's TV's. The three appliance companies are trying to resolve the problem through
the Ministry of Information and Communication.
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Changing the Order of the Picture Size for 16:9 Display Devices
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Changing the Order of the Picture Size for DTV 1080i/720p Sources
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Restrictions
1. When you want to change the picture size in PIP 'ON', you must turn the PIP off before changing the size.
However, you can change the main picture size even in PIP ON for products with no restrictions.
2. When the picture size is not Normal (4:3 for 4:3 display devices, 16:9 for 16:9 display devices) and you turn PIP on, the picture
size is changed to Normal.
However, you can turn PIP on without changing the picture size for products with no restrictions.
3. In the OSD notation for the picture size, 16:9 is represented as "Wide" instead of "16:9" for devices other than with 16:9 dis
plays.
Ex: For LCD 15:9 devices, "Wide" is displayed on the OSD instead of "16:9".
4. The picture size can be changed even in the blue screen.
However, the picture size should be controlled by the product specifications if the change is impossible due to hardware
restrictions.