Special Features; Video Signal Adjustment Procedure; Signal Check; Entering The Adjustment Process Mode - Sharp LC-42D64U Service Manual

LC-42/46/52D64U
Page Line
31 [MEMORY CLR]
1 KEY LOCK (1217)
2 KOUTEI AREA ALL CLEAR
3 A MODE AREA CLEAR
4 BACKUP AREA CLEAR
5 B MODE AREA CLEAR
6 EXECUTION
32 [ETC]
1 EEP SAVE
2 EEP RECOVER
3 STANDBY CAUSE RESET
4 SETTING FOR ADJ
*1 Details of P1.9(NORMAL STANDBY CAUSE)
2 No operation off
3 No signal off
4 PC power management mode 1
5 PC power management mode 2
6 Off timer
8 Command from RS232C
*2 Details of P1.10(ERROR STANDBY CAUSE)
11 Prolonged unspecified-signal input in PC mode
17 Temperature error
1A Monitor trouble detected
1B Fan lock

6. Special features

* STANDBY CAUSE (Page 1/32)
Display of a cause (code) of the last standby
The cause of the last standby is recorded in EEPROM whenever possible.
Checking this code will be useful in finding a problem when you repair the troubled set.
* EEP SAVE (Page 32/32)
Storage of EEP adjustment value
* EEP RECOVER (Page 32/32)
Retrieval of EEP adjustment value from storage area

7. Video signal adjustment procedure

*Adjustment process mode menu is listed in section 5.

7.1. Signal check

Signal generator level adjustment check (Adjustment to the specified level)
•
Composite signal
•
15K component signal
•
33K component signal
•
Analog RGB

7.2. Entering the adjustment process mode

Enter the adjustment process mode according to the steps described in section 3.
Item
Writing setting values to EEPROM.
Reading setting values from EEPROM.
Reset stand by cause.
:
: Y level
PB, PR level
: Y level
PB, PR level
: RGB level
Description
in the cause of "no operation off"
in the cause of "no signal off"
in the cause of "Standby mode MODE1"
in the cause of "Standby mode MODE2"
in the cause of "SLEEP timer"
in the cause of command by RS-232C
in the cause of continuous "out of range", PC input mode
in the cause of abnormal temperature
in the cause of abnormal monitor mode
in the cause of fan lock
0.714Vp-p ± 0.02Vp-p (Pedestal to white level)
0.714Vp-p ± 0.02Vp-p (Pedestal to white level)
:
0.7Vp-p ± 0.02Vp-p
:
0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
:
0.7Vp-p ± 0.02Vp-p
:
0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
:
5 – 10
Remarks (adjustment detail, etc.)