Samsung CS3339Z4C, Service Manual

Page: 9 / 39

Alignment and Adjustments
Samsung Electronics 4-3
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
° ·
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:
NON -TTX MICOM ONLY
TTX MICOM
SYSTEM OSD DISPLAY
BIT 6
L (BIT :0)
BIT 5
L (BIT : 0)
BIT 4
L (BIT : 0)
L (BIT : 0)
BIT 3
H (BIT : 8)
L (BIT : 0)
BIT 2
L (BIT : 0)
L (BIT : 0)
BIT 1
L (BIT : 0)
L (BIT : 0)
BIT 0
L (BIT : 0)
L (BIT : 0)
BYTE 0 : 8 -
BYTE 1 : 0 -
TDA8374, CK SYSTEM, RCA JACK SYSTEM OSD DISPLAY
L (BIT : 1) H (BIT : 0) L (BIT : 0) H (BIT : 0) L (BIT : 1)
BYTE 0 : 11