Sony DCR-DVD505 / DCR-DVD505E / DCR-DVD905 / DCR-DVD905E (serv.man4) Service Manual ▷ View online
6-38
DCR-DVD505/DVD505E/DVD905/DVD905E_ADJ
4.
Initializing of Flash Back Up
Click the [Initializing of Flash Back Up] button on the Main Menu
screen, and the “Initializing of Flash Back Up” screen in Fig. 6-1-
10 will appear.
screen, and the “Initializing of Flash Back Up” screen in Fig. 6-1-
10 will appear.
Fig. 6-1-10
[Initializing method]
1) Click the [Initializing Start] button.
2) The initialization finishes when the following message is dis-
1) Click the [Initializing Start] button.
2) The initialization finishes when the following message is dis-
played.
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DCR-DVD505/DVD505E/DVD905/DVD905E_ADJ
1-4.
VIDEO SYSTEM ADJUSTMENTS
1.
Function of Each Button on Video System Adjust-
ment Screen
ment Screen
Click the
[VIDEO SYSTEM ADJUSTMENT] button on the Main Menu
screen, and the “VIDEO SYSTEM ADJUSTMENT” screen in Fig.
6-1-11 will appear.
6-1-11 will appear.
Fig. 6-1-11
1
[To Menu] button
The Main Menu screen comes back.
The Main Menu screen comes back.
2
[Preparation] button
Notes for adjustment or jigs used are displayed.
Notes for adjustment or jigs used are displayed.
3
[Start] button
“Video Adjustment” starts.
“Video Adjustment” starts.
4
[Release Data Setting] button
The data setting at the adjustment is cancelled.
During the data setting, the button color changes from “white”
to “red”. When the data setting is cancelled, the button color
returns to “white”.
(Use this button when an error occurred in the video adjust-
ment. If the adjustment completed successfully, the data set-
ting is automatically cancelled and the button color returns to
“white”.)
The data setting at the adjustment is cancelled.
During the data setting, the button color changes from “white”
to “red”. When the data setting is cancelled, the button color
returns to “white”.
(Use this button when an error occurred in the video adjust-
ment. If the adjustment completed successfully, the data set-
ting is automatically cancelled and the button color returns to
“white”.)
2.
Adjustment Items of VIDEO System Adjustment
The adjustment items of video system adjustment are as listed in
Table 6-1-2. The Automatic Adjustment Program executes the ad-
justment items if the VIDEO Adjustment Start button is clicked.
Table 6-1-2. The Automatic Adjustment Program executes the ad-
justment items if the VIDEO Adjustment Start button is clicked.
Button
Name
Adjustment
Measurement Point
Measuring
Instrument
Adjustment
Page
Adjustment
Address
(Note)
Origin Oscillation Check
Frequency
counter
counter
IC3401 LINE OUT Y
Gain Adj.
Gain Adj.
Y signal terminal of S VIDEO plug of
A/V jack (75 ohm terminated)
A/V jack (75 ohm terminated)
Pin 1 of CN2001 (CHCK)
on VC-439 board
on VC-439 board
Oscilloscope
0C
80
IC3401 LINE OUT
Chroma Gain Adj.
Chroma Gain Adj.
Chroma signal terminal of S VIDEO
plug of A/V jack (75 ohm terminated)
plug of A/V jack (75 ohm terminated)
Oscilloscope
0C
81, 82
S VIDEO OUT Y
Level Adj.
Level Adj.
Y signal terminal of S VIDEO plug of
A/V jack (75 ohm terminated)
A/V jack (75 ohm terminated)
Oscilloscope
0C
25
S VIDEO OUT
Chroma Level Adj.
Chroma Level Adj.
Chroma signal terminal of S VIDEO
plug of A/V jack (75 ohm terminated)
plug of A/V jack (75 ohm terminated)
–
–
–
–
–
–
Oscilloscope
0C
26, 27
IC3401 Adj.
0C
83 to 8A, 99,
A1 to A3
A1 to A3
VIDEO OUT Level
Check
Check
VIDEO terminal of A/V jack (75 ohm
terminated)
terminated)
Oscilloscope
VIDEO
Adjustment
Adjustment
Note:
The Automatic Adjustment Program does not support.
Table 6-1-2
4
3
2
1
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DCR-DVD505/DVD505E/DVD905/DVD905E_ADJ
3.
Origin Oscillation Check
Check the frequency of the clock for synchronization.
If deviated, the synchronization will be disrupted and the color
will become inconsistent.
If deviated, the synchronization will be disrupted and the color
will become inconsistent.
Subject
Not required
Measurement Point
Pin 1 of CN2001 (CHCK)
on VC- 439 board
on VC- 439 board
Measuring Instrument
Frequency counter
Specified value
f = 49846150
± 1002 Hz (NTSC)
f = 42100000
± 845 Hz (PAL)
Note:
NTSC model: DCR-DVD505/DVD905
PAL model: DCR-DVD505E/DVD905E
PAL model: DCR-DVD505E/DVD905E
Switch setting
1) POWER ............................................................. MOVIE mode
1) POWER ............................................................. MOVIE mode
Checking method:
1) Check that the frequency (f) satisfies the specified value.
1) Check that the frequency (f) satisfies the specified value.
Fig. 6-1-12
VC-439 BOARD (SIDE A)
CN2001
1
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DCR-DVD505/DVD505E/DVD905/DVD905E_ADJ
4.
VIDEO Adjustment
[Automatic Adjustment Program execution items and
sequence]
1. Data Setting during Video Adj.
2. IC3401 LINE OUT Y Gain Adj.
3. IC3401 LINE OUT Chroma Gain Adj.
4. S VIDEO OUT Y Level Adj.
5. S VIDEO OUT Chroma Level Adj.
6. IC3401 Adj.
7. VIDEO OUT Level Check
8. Release of Data Setting during Video Adj.
sequence]
1. Data Setting during Video Adj.
2. IC3401 LINE OUT Y Gain Adj.
3. IC3401 LINE OUT Chroma Gain Adj.
4. S VIDEO OUT Y Level Adj.
5. S VIDEO OUT Chroma Level Adj.
6. IC3401 Adj.
7. VIDEO OUT Level Check
8. Release of Data Setting during Video Adj.
[Adjusting method]
1) Click the [Start] button of the VIDEO Adjustment.
2) The Automatic Adjustment Program executes the “1. Data
1) Click the [Start] button of the VIDEO Adjustment.
2) The Automatic Adjustment Program executes the “1. Data
Setting during Video Adj.”.
3) If “1. Data Setting during Video Adj.” completed successfully,
the following screen is displayed during the execution of “2.
IC3401 LINE OUT Y Gain Adj.”. Using the [Up]/[Down] but-
ton on the screen, adjust so that the Y signal level satisfies the
specified value. After the adjustment, click the [End] button in
the screen.
IC3401 LINE OUT Y Gain Adj.”. Using the [Up]/[Down] but-
ton on the screen, adjust so that the Y signal level satisfies the
specified value. After the adjustment, click the [End] button in
the screen.
4) After that, the following screen is displayed during the execu-
tion of “3. IC3401 LINE OUT Chroma Gain Adj.”. Using the
[Up]/[Down] button on the screen, adjust so that the Cr signal
level and the Cb signal level satisfies the specified value. After
the adjustment, check that the burst level of the chroma sig-
nals satisfies the specified value, and click the [End] button in
the screen.
[Up]/[Down] button on the screen, adjust so that the Cr signal
level and the Cb signal level satisfies the specified value. After
the adjustment, check that the burst level of the chroma sig-
nals satisfies the specified value, and click the [End] button in
the screen.
5) If the [End] button is clicked, the following screen is displayed
during the execution of “4. S VIDEO OUT Y Level Adj.”. Us-
ing the [Up]/[Down] button on the screen, adjust so that the Y
signal level satisfies the specified value.
ing the [Up]/[Down] button on the screen, adjust so that the Y
signal level satisfies the specified value.
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