Color Electronic Viewfinder System Adjustment; Evf Initial Data Input - Sony DCR-TRV5 Service Manual

1-4. COLOR ELECTRONIC VIEWFINDER
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.
Note 3: Set the VF BRIGHT (Menu display) to the center.
[Adjusting connector]
Most of the measuring points for adjusting the viewfinder system
are concentrated in CN005 of the VC-207 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 CN005.
Pin No. Signal Name
1 TCK
3 TDI
5 LINE V OUT
7 GND
9 VCC2
11 VCC1
13 LOCK
15 ENV OUT
17 TDO8
19 GND
Pin No. Signal Name
2 TMS
4 GND
6 JSWP
8 RF MONITOR
10 AGC IN
12 EQ IN
14 BL 4.75
16 BL 4.75 (–)
18 VCO
20 EVF VG

1. EVF Initial Data Input

Mode
Signal
Adjustment Page
Adjustment Address
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, and input the data in the following table.
Note: To write in the non-volatile memory (EEPROM), press the
PAUSE button of the adjustment remote commander each time
to set the data.
3) Select page: 0, address: 01, and set data: 00.
Data
Address
NTSC PAL
70 58 58
71 80 80
72 80 80
73 77 77
74 25 25
75 48 48
76 B0 B0
77 B0 B0
79 00 00
7A 82 82
7B 00 00
7E A7 A7
7F A0 A0
87 85 E5
88 38 38
89 00 00
8A 20 20
8B 20 20
8C 02 00
8D 00 00
8E 12 12
8F 40 40
99 31 31
5-17
VTR stop
No signal
D
70 to 77, 79, 7A, 87 to 8F, 99
Remark
Fixed value
White balance adjustment
White balance adjustment
Contrast adjustment
Fixed value
Fixed value
VCO adjustment
Backlight consumption current
adjustment
Fixed value
Bright adjustment
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value
Fixed value