INPUT TERMINAL INFORMATION
D-Sub 15 Pin
RGB Cable
PC (2) for Test
Pattern Signal
Video Input 1 Terminal
PC Input Terminal
Fig. E1
CONTRAST ADJUSTMENT
(Automatic Adjustment)
Note:
When replacing the EEPROM IC (IC8201), perform this
adjustment.
1. Enter the Service Adjust Mode. Then, press 1 key once on
the remote to enter ADJUST 1/4 screen.
2. Connect the Video Pattern Generator to the Video Input 1
Terminal and supply Gray Scale Pattern Signal (10 scales).
3. Set to Video 1 mode by pressing TV/VIDEO key on the
remote.
Gray Scale Pattern Signal (10 scales)
<ADJUST 1/4>
A D J U S T
C O N T R A S T
Y M A X
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
9 : P I C T U R E M E N U S E L E C T
O K 3 s e c : A U T O A D J U S T
V O L : A D J U S T
V I V I D
2 0 0
4. Press OK key on the remote for 3 seconds.
The value will be red while adjusting.
5. Confirm that the value is not “NG.”
6. Connect the Video Pattern Generator to the Component 1
Terminal and supply Gray Scale Pattern Signal (10 scales).
7. Set to Component 1 mode by pressing TV/VIDEO key on
the remote.
8. Press OK key on the remote for 3 seconds.
The value will be red while adjusting.
Gray Scale Pattern Signal (10 scales)
<ADJUST 1/4>
A D J U S T
C O N T R A S T
Y M A X
1 , 2 : M A I N S E L E C T
3 , 4 : S U B S E L E C T
9 : P I C T U R E M E N U S E L E C T
O K 3 s e c : A U T O A D J U S T
V O L : A D J U S T
V I V I D
2 0 0
9. Confirm that the value is not “NG.”
10. After adjustment, turn off the power.
PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7
47
