Samsung CK1438VR5X/VWT Service Manual page 17

4-2-3 Test Pattern (Aging Mode)
1. This mode can be used during servicing, or for confirming that the convergence and
purity adjustments are correct.
2. Access the Test Pattern parameters by pressing a CHANNEL keys (
Service Mode is on. The cursor will move to the test pattern. Press the VOLUME
keys. On-screen display:
• WHITE
• AGING
3. AGING Mode (Reference Only)
This pattern is used for pre-heating the CRT during manufacturing
Ñit is accessed in the factory by twice pressing the ÒSLEEP ® FACTORY®FACTORY
Ò key, then white pattern will be displayed.
Even if the TV power is cut off, the Aging Mode is not cancelled, The aging mode is
cancelled by repressing the ÒFACTORYÓ key or pressing the local ÒCH UP/DOWNÓ
keys.
4-2-4 Option Bytes
In the Service Mode, various can be selected via the Option Bytes (8 bits each). Example:
SYSTEM OSD DISPLAY
BYTE 0 : 8
BYTE 1 : 0
TDA8842, CK SYSTEM, RCA JACK SYSTEM OSD DISPLAY
BYTE 0 : 11
Samsung Electronics
NON -TTX MICOM ONLY
TTX MICOM
BIT 6 BIT 5
-
-
L (BIT :0) L (BIT : 0)
BIT 4 BIT 3
L (BIT : 0) H (BIT : 8)
L (BIT : 0) L (BIT : 0)
L (BIT : 1) H (BIT : 0)
Alignment and Adjustments
, ) while the
BIT 2 BIT 1
L (BIT : 0) L (BIT : 0)
L (BIT : 0) L (BIT : 0)
L (BIT : 0) H (BIT : 0)
BIT 0
L (BIT : 0)
L (BIT : 0)
L (BIT : 1)
4-3