TO ENTER SERVICE MODE
- Decrease the Volume to (0), by pressing Vol ( - ) on the remote control.
- Press "Menu" on the front panel of the TV, and while holding it, press "Mute" button on the Remote Control.
- The letter "S" will appear at the upper left corner of the screen indicating that the set is in Service Mode.
Function of Service Mode:
In service mode: Press "PIP CH +" repeatedly to scan through the following menus.
Press Ch Up | Ch Dn, to select an item, and press Volume Up | Volume Dn to adjust the data value to selected item.
There is no need adjust this menu since it has been adjusted in its optimum state at the factory. Any adjustment to this menu may cause the projection TV to work improperly.
Menu-1
Menu -2 & Menu-3
Menu-4
Menu - 5
- The values in Menu-2 to Menu-5 are averages or definite values at the factory. Only adjust the values that are allowed to adjust. Do not change those are not allowed to change.
SELF CHECK
- Self check is used to check ICs and function modules of the projection TV.
- Press "PIP CH+" to display the following Menu when in Service Mode.
If 'Error' instead of "OK" displayed when something is wrong with ICs.
Displays
|
Position No.
|
IC functions
|
Circuit Boards
|
TDA9332
|
N005
|
RGB PROCESSING, H/V ACTIVATIING
|
MAIN CHASSIS
|
TEA6425
|
NV04
|
VIDEO SWITCHING
|
AV BAORD
|
TEA6420
|
NV02
|
AUDIO SWITCHING
|
AV BOARD
|
TUNERM
|
N002
|
MAIN TUNER
|
MAIN CHASSIS
|
MSP3440
|
NV01
|
BTSC SOUND PROCESSING
|
AV BOARD
|
TUNERP
|
N001
|
SUB-TUNER
|
MAIN CHASSIS
|
VPX3226
|
U14
|
PIP DECODING
|
FB BOARD
|
EEPROM
|
U3
|
MAIN MEMORY
|
MCU BOARD
|
EXTRAM
|
U7
|
EXTERNAL RAM FOR MCU
|
MCU BOARD
|
SPI
|
---------
|
CONVERGENCE MODULE
|
CONVERGENCE BOARD
|
