Grundig 22VLE4300 BA Service Manual page 72

Tp chassis / television
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TP CHASSIS / TELEVISION
TV MODE tab contains "Factory" and "Customer" options. It is used to perform
factory controls and settings more efficiently and faster. On the TVs delivered to the
customer, this setting is absolutely selected as "Customer." Otherwise, it will lead to
customer complaints such as "TV automatically turns on after power failures" or
"different functions operate from the remote control".
HDCP VERIFY: It must be checked if HDCP key is loaded or not during factory
controls. HDCP key stands for ""High Bandwidth Content Protection Key". This key
is used to prevent copying of data on digital sources such as DVD or blue-ray. With
HDCP, video data is transmitted from the source to the receiver as encrypted.
Therefore, to watch HDCP encrypted DVDs or blue-ray, HDCP key should have been
loaded on TV. On the products with HDCP installed, SUCCESS message is included.
DEBUG MODE is the feature, which is used to track software modifications made on
TV during R&D stage. This setting must be "Off" on TVs delivered to the customer.
PLUG PLAY (Demo Mode): A navigation key is pressed after having completed all
settings and checks in the factory. Later, "Please wait" message appears; and when
you see the message "DONE", the device should be unplugged and plugged again.
With this process, television will be set to its initial values before delivery. It will be
proper to set Plug&Play tab after servicing. After pressing right key on the tab,
EEPROMs will be loaded with factory defaults. TV can be shipped to the customer
after this setting. Please note that any warning is not displayed or you do not have to
exit the menu while Plug&Play is getting activated. You should be careful not to take
the device into Plug&Play mode by mistake.
ATS (Auto Service Numbering) feature ensures that the channels are arranged in
order after automatic search. However, there should be broadcasting support to
number the channels. It is active when "On" is selected. "On" should be selected in
TP-chassis products.
SRS (Virtual multi-channel sound system) tab turns on and off SRS Tru-Surround HD
feature. SRS Tru-Surround HD creates a sound experience surrounding the user
similar to 5+1 sound systems, thanks to multi-channel audio by using two
loudspeakers produced by SRS company. SRS is an optional feature that can be
selected upon the customer's request.
BLUE BACK enables us to determine background when there is no picture on the
screen. When "On" is selected, background will be blue; and when "Off" is selected
background will be black or snowing. "On" should be selected in GRUNDIG brand
products and "Off" in other products.
HOTEL tab should be set to "On" with the products for which Basic Hotel TV feature
is desired; and it should be set to "Off" in other products. When the hotel model is
"On", certain features designed for the hotel use are activated; the user cannot
change the channels set by the service, for example, or the volume cannot be
increased more than a certain level.
72
September 2011

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