Lcd System Adjustment; Lcd Initial Data Input - Sony Handycam Vision CCD-TRV300E Service Manual

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1-5. LCD SYSTEM ADJUSTMENT

Note1: 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.
Note2: When replacing the LCD unit, be careful to prevent
damages caused by static electricity.
Note3: Set the brightness to the center using the LCD BRIGHT
button.
[Adjusting connector]
Most of the measuring points for adjusting the LCD display are
concentrated in the following connector.
CN5501 of the PD-92 board
Connect the measuring instruments via the multi CPC jig (J-6082-
311-A).
The following table shows the Pin No. and signal name of the
connector.
Pin No. Signal name
Pin No. Signal name
1
VB
2
3
VG
4
5
VR
6
7
SYNC / HD
8
9
GND
10
[LCD type check]
By measuring the resistor value between Pin 6 of CN5501 and Pin
!º of CN5501, the type of LCD can be discriminated.
PD-92 board CN5501
Resistor value LCD type
6.8kΩ
2.5" TYPE S PAL (8.4k)
VCO VOLTAGE.
PANEL COM
N.C.
H START
GND
5-26

1. LCD Initial Data Input

Mode
VTR stop
Signal
Arbitrary
Adjustment Page
E
Adjustment Address
A5 to A7, B0 to B9, BF, C0, C1, CF,
D0 to DD
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
A5
53
Fixed value
A6
96
Fixed value
A7
68
Fixed value
B0
3F
Fixed value
B1
C8
Fixed value
B2
1F
Fixed value
B3
1F
Fixed value
B4
00
Fixed value
B5
00
Fixed value
B6
F0
Fixed value
B7
4E
Fixed value
B8
08
Fixed value
B9
00
Fixed value
BF
80
VCO adjustment
C0
A4
Fixed value
C1
D8
Fixed value
CF
69
Bright adjustment
D0
7A
Color adjustment
D1
AA
White balance adjustment
D2
9C
White balance adjustment
D3
B1
Contrast adjustment
D4
B1
D range adjustment
D5
94
V-COM level adjustment
D6
80
VCO adjustment
D7
80
V-COM adjustment
D8
80
Fixed value
D9
7A
Color adjustment
DA
80
Fixed value
DB
52
Fixed value
DC
99
Fixed value
DD
99
Fixed value

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