Color Electronic Viewfinder System Adjustments (Ccd-Trv95/Trv95E/Trv95Pk/Trv99/Trv99E); Evf Initial Data Input - Sony Handycam Vision CCD-TRV89E Service Manual

1-4. COLOR ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENT
(CCD-TRV95/TRV95E/TRV95PK/TRV99/TRV99E)
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.
[Adjusting connector]
Most of the measuring points for adjusting the viewfinder system
are concentrated in CN910 of the VC-195 board.
Connect the measuring instruments via the CPC-7 jig (J-6082-382-
A).
The following table shows the Pin No. and signal name of CN910.
Pin No. Signal Name Pin No. Signal Name
1 LANC SIG 9
2 XCPC IN 10
3 IR VIDEO 11
4 AFC F0 12
5 BPF MONI 13
6 PB RF 14
7 RF AGC IN 15
8 REG GND 16
Screw driver (–)
Cover
Fig.5-1-11.
RF AGC OUT
REC RF
RF SWP
CAP FG
EVF BL
EVF BL 4.75V
VCO
EVF VG
5-22

1. EVF Initial Data Input

Mode VTR stop
Signal No signal
Adjustment Page E
Adjusting Address C2 to CD
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: E, and input the data in the following table.
Note:
To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjusting remote commander each
time to set the data.
3) Select page: 0, address: 01, and set data: 00.
Address Data Remark
C2 B0 VCO adjustment
C3 80 Bright adjustment
C4 77 Contrast adjustment
C5 80 White balance adjustment
C6 80 White balance adjustment
C7 68 Fixed value
C8 50 Fixed value
C9 F8 Fixed value
CA A8 Fixed value
CB 3C Fixed value
CC B0 Backlight Consumption
Current Adjustment
CD 70 Fixed value