Samsung CK3366ZR4X/BWT Service Manual page 16

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 ( , ) while the Service Mode is on. The cursor will move
to the test pattern. Press the VOLUME keys. On-screen display:
° ·RED
° ·GREEN
NON -TTX MICOM ONLY
° ·BLUE
° ·AGING
3. AGING Mode (Reference Only)
This pattern is used for pre-heating the CRT during manufactur-
ing—it is accessed in the factory by twice pressing the "SLEEP →
FACTORY→FACTORY " key, then white pattern will be dis-
played.
Even if the TV power is cut off, the Aging Mode is not cancelled,
The aging mode is cancelled by repressing the "FACTORY" key
or pressing the local "CH UP/DOWN" key.
The patterns are displayed at 5 sec intervals : NON-TTX Micom
only.
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
TDA8374, CK SYSTEM, RCA JACK SYSTEM OSD DISPLAY
BYTE 0 : 11
Samsung Electronics
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
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