Service manual

5-23
1-4. COLOR ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENT
(CCD-TR416/TR416PK/TR516/TR516PK/TR716)
Note 1: The back light (fluorescent tube) is driven by a high volt-
age 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 dam-
ages caused by static electricity.
[Adjusting connector]
Most of the measuring points for adjusting the viewfinder system
are concentrated in CN910 of the VC-215 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 RF AGC OUT
2 XCPC IN 10 REC RF
3 IR VIDEO 11 RF SWP
4 AFC F0 12 CAP FG
5 BPF MONI 13 EVF BL
6 PB RF 14 EVF BL 4.75V
7 RF AGC IN 15 VCO
8 REG GND 16 EVF VG
Fig.5-1-12
Screw driver (–)
Cover
1. EVF Initial Data Input
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.
Mode VTR stop
Signal No signal
Adjustment Page E
Adjusting Address C2 to CD
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