Sony Handycam Vision DCR-TRV5, Service Manual

Page: 98 / 165

5-17
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.
1
3
5
7
9
11
13
15
17
19
Signal Name
TCK
TDI
LINE V OUT
GND
VCC2
VCC1
LOCK
ENV OUT
TDO8
GND
Pin No.
2
4
6
8
10
12
14
16
18
20
Signal Name
TMS
GND
JSWP
RF MONITOR
AGC IN
EQ IN
BL 4.75
BL 4.75 (–)
VCO
EVF VG
1. EVF Initial Data Input
Mode VTR stop
Signal No signal
Adjustment Page D
Adjustment Address 70 to 77, 79, 7A, 87 to 8F, 99
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.
Address
70
71
72
73
74
75
76
77
79
7A
7B
7E
7F
87
88
89
8A
8B
8C
8D
8E
8F
99
NTSC
58
80
80
77
25
48
B0
B0
00
82
00
A7
A0
85
38
00
20
20
02
00
12
40
31
PAL
58
80
80
77
25
48
B0
B0
00
82
00
A7
A0
E5
38
00
20
20
00
00
12
40
31
Data
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