Lcd System Adjustments; Lcd Initial Data Input - Sony DCR-TRV7 Service Manual

1-4. LCD SYSTEM ADJUSTMENTS

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 very careful to prevent
damages caused by static electricity.
Note 3: Set the brightness to the center using the LCD BRIGHT
button (PD-85 board S5950, 5951).
Note 4: Set the LCD COLOR (Menu display) to the center.
[Adjusting Connector]
Most of the measuring points for adjusting the LCD system are
concentrated in CN9928 on the CB-58 board.
Connect the measuring instruments via CPC-8 jig (J-6082-388-A).
Refer to "Adjusting connector" of "1-3". COLOR ELECTRONIC
VIEWFINDER SYSTEM ADJUSTMENTS" for further detailes.
[Power Supply Voltage]
Adjust the power supply voltage so that the voltage of the battery
terminal becomes 8.4 ± 0.1 Vdc.
[Alignment Tape]
Use the audio check tape for the LCD system adjustment.
NTSC model
XH5-3 (Parts code : 8-967-997-51)
PAL model
XH5-3P (Parts code : 8-967-997-55)

1. LCD Initial Data Input

Mode
Signal
Adjustment Page
Adjustment Address
Adjusting method:
1) Set data: 01 to page: 0, address: 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 adjusting remote commander
each time to set the data.
3) Set data: 00 to page: 0, address: 01.
Address
NTSC
60 00
72
61
62 70
63 9D
64 CB
65 97
66 82
67 80
68 A3
69 00
6A 78
6B BF
6C 7C
6D 61
6E 33
65
6F
80 38
81 00
82 20
20
83
84 02
85 04
86 85
8E 12
8F 40
99 31
5–24
VTR stop
No signal
D
60 to 6F, 80 to 8F, 99
Data
Remark
PAL
00 Fixed value
72
70
9D
B5
97
82
Fixed value
80 Fixed value
8D
00 Fixed value
78 Fixed value
BF Fixed value
7C
61
33 Fixed value
65
Fixed value
38 Fixed value
00 Fixed value
20 Fixed value
20
Fixed value
02
Fixed value
04 Fixed value
E3 Fixed value
12 Fixed value
40
Fixed value
31 Fixed value