Pioneer SD-533HD5 Service Manual page 138

SD-533HD5, SD-643HD5
7 Panel Adjustment
Start
1st FAC
TV CBL VCR DVD
TV /SAT /LD
/DTV
TV ANT
INPUT
1 2 3 4
FREEZE SPLIT SEARCH
SCREEN SUB CH
MODE SWAP SELECT
CH
DISPLAY SLEEP
1 2 3
4 5 6
RETURN
7 8 9
CH
0
ENTER
¢
CH
RETURN
CH VOL
MUTING
4
EDIT/ TV/SAT/DVD DTV/DVD TOP
LEARN MENU MENU
SOURCE DTV/SAT
5
POWER GUIDE
2 SET/ 3
ENTER
DTV/(SAT)
8 ∞
INFO
FAVORITE CH VCR REC
1 7 3 ¡
RECEIVER
INPUT VOL VOL
Î
HDTV PROJECTION MONITOR
Procedures
1
Send the black-burst signal to the INPUT 1 connector.
Enter Adjustment mode by following the procedures described above.
2
With BRIGHT, adjust the gray part (panel) of the screen.
By observing R1058-GK of the G CRT DRIVE Assy with the oscilloscope, , adjust the brightness level which is low by 20V
from Black level of the main screen.
210V
GND
3
Switch the input signal to a 100%-white signal.
Adjust the panel part and the main screen with CONTRAST.
Observe the same site as described in Step 2 above, and adjust the amplitude of the luminosity.
Adjust so that the level of the luminosity of the panel and that of the main screen become the same.
138
ADJUSTMENT PANEL
BRIGHT –24
Telop : White
Data value
31.7µS
Main screen
(black)
Panel part: The level of this part changes with the BRIGHT data.
Approx. 20V
Approx. 0V
Main screen
(white)
The level of the panel part changes with the CONTRAST data.
The level of the main screen heightens or lowers in the reverse direction.
• Mode for adjusting the brightness, contrast of the gray part (panel)
of the 4:3 normal screen.
<Data value section>
VOL
or
<Adjustment item section>
1 2
1 : BRIGHT (–64 to 63)
: CONTRAST (–64 to 63)
2