SERVICE MANUAL
Service Mode and Bus Data
1.
To enter the D/S (Design/Service) mode
a. To enter the USER SERVICE mode
Set the volume to 0. Then press and hold the MUTE button on the remote control
,
and press the
MENU button on the TV to enter the SERVICE mode. At this time, red “S” is displayed on the upper
center of the screen. Use the button on the remote control to turn off the TV. In this case
,
the
SERVICE mode is quitted.
b. To select the SERVICE menu
Press the CAL button on the remote control to highlight two preset menus and 7 menus related to
TDA884X and TDA9178 in turn.
c. To select and adjust data
Use the
↓
/
↑
buttons to highlight an adjustment and the
←
/
→
buttons to adjust. The adjusted data
are immediately output and stored in the EEPROM.
Warning!
The user service mode adjustment can be changed only when service personnel adjust the whole set
data during servicing. As the control data have dramatic effects on functions and performance of the TV,
service personnel should not tell user how to enter the SERVICE mode to avoid improper data settings.
2. OPTION menu
Table 1 Option Menu
9
Item Description
Bus
Data
OPTION 1
AV
AV terminals
Please refer to settings of your TV.
SOUND
SYS
Sound system
DK
PIM
Picture improvement IC TDA9178:
1-Yes
,
0-No
1
COMB
Comb filter TDA9181: 1-Yes
,
0-No
0
SOU IC
Sound processing IC TDA9859: 1-Yes
,
0-No
1
POW SET
0
LANGSET0
Language option 1
RUS
LANGSET1
Language option 2
ENG
OPTION 2
WOOFER
Woofer: 1-Yes
,
0-No
0
AUT-SET
Auto test: 1-On
,
0-Off
1
R TIME
Realtime clock setup
0
BRAND Brand
0
BLACK Black
screen
1
AV.-TV
0