Sony D8 Digital Handycam DCR-TRV420E, Руководство по обслуживанию

Страница: 171 / 287

5-34
3. VCO Adjustment (PD-117/118 board)
Set the VCO free-run frequency. If deviated, the LCD screen will
be blurred.
Mode Camera
Subject Arbitrary
Measurement Point Pin
8
of CN5502 (XHD OUT)
Measuring Instrument Frequency counter
Adjustment Page D
Adjustment Address A2 (NTSC model)
A2, A3 (PAL model)
Specified Value f=15734 ± 30 Hz (NTSC model)
f=15625 ± 30 Hz (PAL model)
Note 1: NTSC model: DCR-TRV320/TRV320P/TRV520/
TRV520P/TRV525/TRV720
PAL model: DCR-TRV320E/TRV420E/TRV520E/
TRV620E/TRV720E
Adjusting method (NTSC model):
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: A2, change the data and set the VCO
frequency (f) to the specified value.
3) Press the PAUSE button of the adjustment remote commander.
4) Select page: 0, address: 01, and set data: 00.
Adjusting method (PAL model):
1)
Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: A2, change the data, and set the VCO
frequency (f) to the specified value.
3) Press the PAUSE button of adjustment remote commander.
4) Read the adjustment data of step 2), and this data is named
D
A2
.
5) Convert D
A2
to decimal notation, and obtain D
A2
’.
(Refer to Table 5-4-1 “Hexdecimal-decimal conversion table”
of “5-4. Service Mode”)
6) Calculate D
A3
’ using following equations (decimal calculation),
convert it to a hexdecimal number, and obtain D
A3
.
2.5 LCD TYPE C 61 k model/
2.5 LCD TYPE S 61 k model:
D
A3
’ = D
A2
’ – 16
2.5 LCD TYPE S 123 k model/
3 LCD TYPE S model/
4 LCD TYPE C model/
4 LCD TYPE S model:
D
A3
’ = D
A2
’ – 23
3.5 LCD TYPE C model/
3.5 LCD TYPE S model:
D
A3
’ = D
A2
’ – 4
Note 2:
If D
A3
’ < 0, then D
A3
= “00”
7) Select page: D, address: A3, set data D
A3
, and then press the
PAUSE button of adjustment remote commander.
8) Select page: 0, address: 01, and set data: 00.
2. LCD Initial Data Input (2)
Mode VTR stop
Signal Arbitrary
Adjustment Page D
Adjustment Address A0 to AA, AC 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 1:
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.
Note 2:
* mark data
Address
Data
Remark
TYPE S TYPE C
A0 * * Fixed data (Note 3)
A1 * *
A2 80 80 VCO adj.
A3 70 70
VCO adj. (PAL model)
Fixed data (NTSC model)
A4 80 80 V-COM adj.
A5 30 20 RGB AMP adj.
A6 00 00 Fixed data
A7 C0 80 COM AMP adj.
A8 80 80 White balance adj.
A9 80 80
AA 50 30 Contrast adj.
AC * * Fixed data (Note 3)
AD * *
AE 9F 9F Fixed data
AF 1F 1F
B0 FC FC
B1 FF FF
Data
Address
TYPE S TYPE C
2.5 2.5
61 k 123 k
3 3.5 4
61 k
3.5 4
A0 78 78 6C 70 7D 78 70 7D
A1 95 95 85 8D A6 95 8D A6
AC 14 33 73 53 33 0A 55 33
AD 14 14 14 14 14 0E 13 13