Adjustment Procedure - Sharp LC-52D82U Service Manual

LC-46D82U/LC-52D82U
*1 Details of P1.7(NORMAL STANDBY CAUSE)
6 No operation off
7 No signal off
8 PC power management mode 1
9 PC power management mode 2
A Off timer
C Command from RS232C
*2 Details of P1.8(ERROR STANDBY CAUSE)
5 Prolonged unspecified-signal input in PC mode
13 Temperature error
16 Monitor trouble detected
17 Fan lock
6. Special features
* STANDBY CAUSE (Page 1/27)
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 27/27)
Storage of EEP adjustment value
* EEP RECOVER (Page 27/27)
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
7.2. Entering the adjustment process mode
Enter the adjustment process mode according to the steps described in section 3.
7.3. N358 composite signal adjustment (Tuner)
Adjustment item
1 Adjustment
2 Auto adjustment
performance
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
:
: Y level :
PB, PR level :
: Y level :
PB, PR level :
Adjustment conditions
N358 signal Feed the PAL split field color bar signal (75% color saturation) to VIDEO
1 input. Feed the RF signal (by use of US-10ch) to TUNER-A.
Page 3/27 Bring the cursor on [•N358 ALL ADJ] and press [ENTER].
[•N358 ALL ADJ FINISH] appears when finished.
0.714Vp-p ± 0.02Vp-p (Pedestal to white level)
0.714Vp-p ± 0.02Vp-p (Pedestal to white level)
± 0.02Vp-p
0.7Vp-p
± 0.02Vp-p (Pedestal to white level)
0.7Vp-p
± 0.02Vp-p
0.7Vp-p

Adjustment procedure

[Video input signal]
100% white
3 – 10
[US-10CH]
100% white