Read Sharp LC-37XD1E (serv.man3) Service Manual online
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
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.
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
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
RF signal UV
[E-12CH]
[Terminal]
TUNER
TUNER
㸡100% white
2
Auto adjustment
Adjustment process
Bring the cursor on [
RF AGC BG ADJ] and press [OK]
performance
Page 3
[
RF AGC BG ADJ
㵘OK] appears when finished.
Adjustment Conditions
Adjustment
㵘procedure
Adjustment point
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