5-35
1-5.
LCD SYSTEM ADJUSTMENT
Note 1:
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.
Note 2:
When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
Switch setting:
LCD BRIGHT .................................................................... Center.
[Adjusting connector]
Most of the measuring points for adjusting the viewfinder system
are concentrated in CN009 of the VC-264 board.
Connect the Measuring Instruments via the CPC-8 jig (J-6082-388-
A).
The following table shows the Pin No. and signal name of CN009.
Pin No.
1
3
5
7
9
11
13
15
17
19
Signal Name
LANC SIG
NC
EVF VCO
PANEL VG
H START
PANEL COM
TCK
JIG TDO
SWP
GND
Pin No.
2
4
6
8
10
12
14
16
18
20
Signal Name
EXT DA
EVF VG
GND
PD VCO
XHD/PSIG
TMS
JIG TDI
GND
RF IN/LANC JACK IN
RF MON
Table 5-1-10.
1. VCO Adjustment (PD-145 board)
Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
Mode
VTR stop
Signal
No signal
Measurement Point
Pin
9
of CN009 of the VC-264 board
(H START)
Measuring Instrument
Frequency counter
Adjustment Page
D
Adjustment Address
A2, A3
Specified Value
f = 15734 ± 30Hz (NTSC)
f = 15625 ± 30Hz (PAL)
Note:
NTSC model: DCR-TRV30
PAL model: DCR-TRV30E
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
A2
Change the data and set the
VCO frequency (f) to the
specified value.
3
D
A2
Press PAUSE button.
4
D
A2
Read the data, and this data is
named D
A2
.
5
D
A3
D
A2
Set the data, and press PAUSE button.
6
0
01
00
Set the data.
Fig. 5-1-17.
CN009
1
2
19
20
CPC lid
