JVC LX-P1010ZU Service Manual page 16

Fig. 3-4-5
Fig. 3-4-6
5. After completing adjustments 3.4.5. through 3.4.8., 3.4.11. and
3.4.12., press the "MENU" button to release from "LCD/FAN
ADJUST" mode. (Adjustment data is memorized in EEPROM
IC (IC2006) by pressing "MENU" button.) Otherwise, adjustment
data 3.4.5. through 3.4.8., 3.4.11. and 3.4.12. will be cancelled.
3.4.1. LCD VOLTAGE ADJUSTMENT
("15.3V"ADUSTMENT)
Purpose:
To set the standard voltage for LCD panel.
Symptom of Misadjustment:
LCD panel may be damaged.
TP ADJ.
TP1904
TP1907 (GND)
EQUIPMENT
DVM
(DIGITAL VOLT METER)
Note:
TP1904, TP1907: MAIN PWB
1. Connect the DVM (Digital Volt Meter) to TP1904.
2. Press button on the remote control to select "15.3V".
3. Press 2 or 3 button so that the voltage shown in the display of
DVM is 15.3 V ± 0.05 V DC.
3.4.2. RGB INPUT LEVEL ADJUSTMENT
("BRIGHT","LEVEL"ADUSTMENT)
Purpose:
To set the optimum signal level.
Symptom of Misadjustment:
The picture will be too light or too dark.
INPUT
SPECIFICATION
15.3V ± 0.05 V DC
TP ADJ. INPUT / Test Pattern signal softwear menu
TP3501
RGB Input Connector)
TP3502
3 SCALE:
TP3503
EQUIPMENT
OSCILLOSCOPE
TEST PATTERN SIGNAL
Note:
TP3501, TP3502, TP3503: Main PWB
1. Supply Gray Scale Pattern Signal (3 scales).
2. Connect the oscilloscope to TP3501.
3. Press 5 or ∞ button on remote control to select "R BRIGHT".
4. Press 2 or 3 button so that Black level becomes the same as
OSD(On Screen Display) Black level.
5. Select "R LEVEL", and press 2 or 3 button so that White level
becomes the same as OSD White level.
6. Connect the oscilloscope to TP3502.
7. Press 5 or ∞ button on remote control to select "G BRIGHT".
8. Press 2 or 3 button so that Black level becomes the same as
OSD Black level.
9. Select "G LEVEL", and press 2 or 3 button so that White level
becomes the same as OSD White level.
10. Connect the oscilloscope to TP3503.
11. Press 5 or ∞ button on remote control to select "B BRIGHT".
12. Press 2 or 3 button so that Black level becomes the same as
OSD Black level.
13. Select "B LEVEL", and press 2 or 3 button so that White level
becomes the same as OSD White level.
Fig. 3-4-7
LX-P1010ZU/ZE
=6 Bar=4 3Division
SPECIFICATION
Refer to Description below
(PA014)16