LC-42DH77EC (serv.man5). Adjustment Procedure - Sharp TV Service Manual (repair manual). Page 12

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LC-32/42/46DH77E/RU/S
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15)232C power ON control [232C POWON]
16)Hotel mode setting [HOTELMODE]
9. Video signal adjustment procedure
The adjustment process mode menu is listed in Section 5.
Signal generator level adjustment check (Adjust to the standard value level.)
1. Process mode
2. PAL signal adjustment 
CAUTION: When performing “(2) PAL signal adjustment” after completing all the adjustments, be sure to execute “(3) TUNER adjustment”.
Option
“ENABLE” or “DISABLE” (loop enabled)
Default
DISABLE
Function
Power ON by the 232C command is enabled/disabled in the standby state.
The same function as 232C command “RSPW”.
“ENABLE”: POWR0001 is always enabled.
“DISABLE”: Start-up may be impossible at POWR0001.
(If the 232C command reception module is set to OFF, the command is invalid.)
Option
“OFF” or “ON” (loop enabled)
Default
OFF
Function
The items set in the hotel mode setting menu are enabled or disabled.
The same item as [HOTELMODE] in the adjustment process menu.
Remarks
• Each operation of the hotel mode is impossible unless this item is set to ON.
• Composite signal PAL/SECAM
: 0.7Vp-p 
± 0.02Vp-p (Pedestal to white level)
• RGB signal 
: 0.7Vp-p 
± 0.02Vp-p
• 15K component signal (50 Hz) 
: Y level
: 0.7Vp-p 
± 0.02Vp-p (Pedestal to white level)
: PB, PR level
: 0.7Vp-p 
± 0.02Vp-p
• 33K component signal 
: Y level
: 0.7Vp-p 
± 0.02Vp-p (Pedestal to white level)
: PB, PR level
: 0.7Vp-p 
± 0.02Vp-p
Adjustment point
Adjustment Conditions
Adjustment procedure
1
 Process mode
Enter the process adjustment mode using the process adjustment remote con-
trol.
Adjustment point
Adjustment Conditions
Adjustment procedure
1
 Setting
[Signal]
PAL full field colour bar
[Terminal]
EXT1 SCART video input
• Send the PAL full field colour bar (colour saturation: 75%) signal to the 
SCART video input of EXT1.
2
Auto adjustment 
performance
Process page No. 4/16
Point the cursor to [PAL ADJ] and press the [OK] key.
The adjustment is complete when [PAL ADJ OK] is displayed.
[VIDEO input signal]
100% white
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