Sharp LC-37XD1E, Service Manual

Page: 25 / 198

LC-37XD1E/RU
3 – 10
6. Special features
* ERROR STANDBY CAUSE (Page 1/13)
The total time when the unit enters the standby due to operational error and cause of error are recorded on EEPROM as much as possible.
The values can be used to locate the fault for repair.
* EEP CLEAR (Page10/13)
Clear of process adjustment EEP value.
7. Inch Setting
8. Video signal adjustment procedure * The adjustment process mode menu is listed in Section 5.
1. Signal check
Signal generator level adjustment check (Adjustment to the specified level)
• Composite signal PAL : 0.7Vp-p
±
0.02Vp-p (Pedestal to white level)
• 15K component signal : Y level 0.7Vp-p
±
0.02Vp-p (Pedestal to white level)
(50 Hz) PB, PR level 0.7Vp-p
±
0.02Vp-p
2. Entering the adjustment process mode
Enter the adjustment process mode according to Section 3.
3. RF AGC adjustment 1
1 Factory settings
䊶
Enter the adjustment process mode.
䊶
Move the cursor to [INCH SETTING] on page 2/13.
䊶
Use the R/C
㵘㵘
key to select a inch size from
[37/42] and press the [OK]
㵘
key.
䊶
“EXECUTING” display appears .
䊶
After a while,"37/42 OK" display appears, the setting is completed.
Adjustment point Adjustment Conditions Adjustment
㵘
procedure
ends by turning off
the MAIN POWER
1 Setting [Signal]
䊶
Feed the PAL Sprit Field colour bar signal (E-12ch) to TUNER.
PAL
㵘
Signal level: 65 dB V
㵘
±1dB
㵘㵘
(75 LOAD)
Sprit Field Colour Bar
RF signal UV [E-12CH]
[Terminal]
TUNER
㸡
100% white
2
Auto adjustment Adjustment process Bring the cursor on [ RF AGC BG ADJ] and press [OK]
performance
[PAL+TUNERMAIN] menu
[ RF AGC BG ADJ
㵘
OK] appears when finished.
Adjustment Conditions Adjustment
㵘
procedure Adjustment point