Read Sony CCD-TRV138 / CCD-TRV238E / CCD-TRV338 / CCD-TRV438E (serv.man2) Service Manual online
6-23
CCD-TRV138/TRV238E/TRV338/TRV438E
1. LCD Level Adjustment (PD-204 Board) (TYPE S)
RadarW
RadarW
RadarW
RadarW
RadarW
This adjustment does the following items automatically.
VCO Adjustment
Contrast Adjustment
VCO Adjustment
Contrast Adjustment
Mode
VTR stop (PLAY/EDIT mode)
Signal
No signal
Adjustment Page
C
Adjustment Address
50, 51 (VCO Adjustment)
58 (Contrast Adjustment)
58 (Contrast Adjustment)
Note 1: Check that the data of page: 0, address: 10 is “00”.
Note 2: NTSC model: CCD-TRV138/TRV338
Note 2: NTSC model: CCD-TRV138/TRV338
PAL model: CCD-TRV238E/TRV438E
Adjusting method: (NTSC model)
Order Page Address Data
Procedure
1
0
01
01
2
3
01
5A
Press PAUSE button. (Note 3)
3
3
02
Check the data changes to
“00”.
“00”.
4
3
03
Check that the data is “00”.
(Note 4)
(Note 4)
5
0
01
00
Adjusting method: (PAL model)
Order Page Address Data
Procedure
1
0
01
01
2
3
01
5A
Press PAUSE button. (Note 3)
3
3
02
Check the data changes to
“00”.
“00”.
4
3
03
Check that the data is “00”.
(Note 4)
(Note 4)
5
C
50
Read the data and this data is
named D
named D
50
.
6
Convert D
50
to decimal notation,
and obtain D
50
’. (Note 5)
7
Calculate D
51
’ using following
equations. (decimal calculation)
D
D
51
’ = D
50
’ – 18
8
Convert D
51
’ to a hexadecimal
number, and obtain D
51
.
(Note 5, 6)
9
C
51
D
51
Press PAUSE button.
10
0
01
00
Note 3: The adjustment data will be automatically input to page:
C, address: 50, 51 and 58.
Note 4: If the data is other than “00”, adjustment has errors.
For the error contents, see the following table.
Note 5: Refer to table 6-4-1. “Hexadecimal-decimal conversion
table”.
Note 6: If D
51
’ < 0, then D
51
= 00
Page Address Data
Error contents
3
03
01
Adjustment time out.
C6
60
Contrast adjustment error
62
VCO adjustment error
Ver. 1.1 2007.11
1-4.
LCD SYSTEM ADJUSTMENTS
Before perform the LCD system adjustments, check that the data
of page: 0, address: 10 is “00”.
If not, select page: 0, address: 10, and set the data “00”.
of page: 0, address: 10 is “00”.
If not, select page: 0, address: 10, and set the data “00”.
Note 1: The back light (fluorescent tube) is driven by a high volt-
age AC power supply. Therefore, do not touch the back
light holder to avoid electrical shock.
light holder to avoid electrical shock.
Note 2: When replacing the LCD unit, be careful to prevent dam-
ages caused by static electricity.
Note 3: Set the LCD BRIGHT (Menu setting) to the center.
Set the LCD B.L. (Menu setting) to the BRIGHT.
Set the LCD COLOR (Menu setting) to the center.
Set the LCD COLOR (Menu setting) to the center.
Note 4: Open the LCD panel during the LCD system adjustment.
[LCD Type Check]
Checking method:
Order Page Address Data
Procedure
Check the data.
1
3
CC
24 to 27: TYPE SO
40 to 43: TYPE S
40 to 43: TYPE S
[Initial Data Input of LCD Type]
Writing Method:
1) Select page: 0, address:01, and set data: 01.
2) Select page: C, and input the data in the following table.
Note: To write in the non-volatile memory (EEPROM), press the
1) Select page: 0, address:01, and set data: 01.
2) Select page: C, 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.
time to set the data.
Initial value
Page Address
TYPE S
TYPE SO
Remark
NTSC
PAL
NTSC
PAL
4E
BD
BD
AF
AF
4F
F2
F2
E2
E2
54
00
00
3F
3F
55
76
76
41
41
59
04
04
03
03
5C
2F
2E
34
34
5D
10
0A
53
53
5E
BF
BF
3F
3F
64
07
07
27
27
C
66
1E
1F
1D
1D
Fixed data
67
26
26
1C
1D
68
FA
FA
AA
AA
71
C0
C0
8E
8E
75
C7
BF
42
42
76
A7
A7
B9
B9
94
68
68
62
64
95
28
28
22
22
E4
00
00
24
24
E6
13
13
22
22
E8
23
23
25
25
3) Select page: 0, address: 01, and set data: 00.
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