Lcd Initial Data Input (2); Vco Adjustment (Pd-130 Board) - Sony GV-D1000 Service Manual

2. LCD Initial Data Input (2)

Mode VTR stop
Signal No signal
Adjustment Page D
Adjustment Address A0 to B1
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 Data
A0 7D
A1 A6
A2 80
A3 70
A4 80
A5 30
A6 00
A7 C0
A8 80
A9 80
AA 50
AB 00
AC 33
AD 14
AE 9F
AF 1F
B0 FC
B1 FF
Table. 5-3-14.
Remark
Fixed data
Fixed data
VCO adj.
Fixed data (NTSC), VCO adj. (PAL)
V-COM adj.
RGB AMP adj.
Fixed data
COM AMP adj.
White balance adj.
White balance adj.
Contrast adj.
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data
Fixed data

3. VCO Adjustment (PD-130 board)

Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note 1: NTSC: GV-D1000
PAL: GV-D1000E
Adjusting method:
Order Page Address Data
1 0 01
2 D A2
3 D A2
4
5 D A2
6
7
8
9 D A3
10 0 01
Note 2: Refer to "Table 5-4-1. Hexadecimal-decimal Conversion Table".
5-27
GV-D1000/D1000E
VTR stop
No signal
Pin 8 of CN5502 (XHD OUT)
Frequency counter
D
A2 (NTSC)
A2, A3 (PAL)
f = 15734 ± 30Hz (NTSC)
f = 15625 ± 30Hz (PAL)
Procedure
01 Set the data.
Change the data and set the VCO
frequency (f) to the specified
value.
Press PAUSE button.
Only for NTSC model, proceed
to step 10.
Read the data, and this data is
named D .
A2
Convert D to decimal
A2
notation, and obtain D
A2
(Note2)
Calculate D ' using following
A3
equations (Decimal calculation)
When D ' 23
A2
D '= D ' – 23
A3 A2
When D ' < 23
A2
D ' = 00
A3
Convert D ' to a hexadecimal
A3
number, and obtain D
A3
(Note2)
D Set the data, and press PAUSE
A3
button.
00 Set the data.
'.
.