Sony DVCAM DSR-PDX10 Service Manual page 195

DSR-PDX10/PDX10P
1-5. LCD SYSTEM ADJUSTMENT
Note1: The back light (fluorescent tube) is driven by a high voltage AC
power supply. Therefore, do not touch the back light holder to
avoid electrical shock.
Note2: When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
Note3: Before performing the adjustments, check the data of page: 0,
address: 10 is "00". If not, set data: 00 to this address.
Note4: NTSC model: DSR-PDX10
PAL model: DSR-PDX10P
Switch setting:
LCD BRIGHT(Touch panel setting) .................................. Center.
[Adjusting connector]
Most of the measuring points for adjusting the LCD system are
concentrated in CN1024 of the VC-318 board. Connect the
measuring instruments via the CPC jig for LCD panel (J-6082-529-
A). The following table shows the Pin No. and signal name of
CN1024.
Pin No.
1
2
3
4
5
6
Table. 6-1-13.
Signal Name
PANEL VG
PANEL COM
GND
XHD OUT
N.C
N.C
1
CN1024
6
Fig. 6-1-27.
1. VCO Adjustment (PD-191 board)
Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note: The data of page: 0, address: 10 must be "00".
Adjusting method:
Order Page Address Data
1 0 01
2 C 61
3 C 61
4 C 61
5 C 62
6 0 01
6-40
VTR stop
No signal
Pin 4 of CN1024 of VC-318 board
(XHD OUT)
Frequency counter
C
61, 62
f = 15734 ± 30Hz (NTSC)
f = 15625 ± 30Hz (PAL)
Procedure
01 Set the data.
Change the data and set the
VCO frequency (f) to the
specified value.
Press PAUSE button.
Read the data, and this data is
named D .
61
D Set the data, and press PAUSE
61
button.
00 Set the data.