DOWNLOAD Sony DCR-DVD101 / DCR-DVD101E / DCR-DVD91E (serv.man4) Service Manual ↓ Size: 867.67 KB | Pages: 49 in PDF or view online for FREE

Model
DCR-DVD101 DCR-DVD101E DCR-DVD91E (serv.man4)
Pages
49
Size
867.67 KB
Type
PDF
Document
Service Manual
Brand
Device
Movie / SECTION 6 ADJUSTMENTS
File
dcr-dvd101-dcr-dvd101e-dcr-dvd91e-sm4.pdf
Date

Sony DCR-DVD101 / DCR-DVD101E / DCR-DVD91E (serv.man4) Service Manual ▷ View online

6-35
DCR-DVD91E/DVD101/DVD101E
2-1-5.
Input/Output Level and Impedance
Video input/output (DVD101/DVD101E), Video output (DVD91E)
A/V jack
Video signal: 1 Vp-p, 75 
 unbalanced,
sync negative
S video input/output (DVD101/DVD101E), S video output (DVD91E)
A/V jack
Luminance signal
: 1 Vp-p, 75 
 unbalanced,
sync negative
Chrominance signal : 0.286 Vp-p, 75 
 unbalanced (NTSC)
: 0.300 Vp-p, 75 
 unbalanced (PAL)
Audio input/output (DVD101/DVD101E), Audio output (DVD91E)
A/V jack
Input level
: 327 mV
Input impedance : More than 47 k
Output level
: 327 mV (at load impedance 47 k
Output impedance : Below 2.2 k
6-36
DCR-DVD91E/DVD101/DVD101E
2-2.
VIDEO SYSTEM ADJUSTMENTS
Note1:
efore perform the video system adjustments, check that the
specified value of “36MHz Origin Oscillation Adjustment” of
“CAMERA SYSTEM ADJUSTMENT” is satisfied.
And check that the data of page: 0, address: 10 is “00”. If not, set
data: 00 to this address.
Note2:
NTSC model : DCR-DVD101
PAL model
: DCR-DVD91E/DVD101E
1. S VIDEO OUT Y Level Adjustment (VC-353 Board)
Mode
MOVIE ( 
 )
Subject
Arbitrary
Measurement Point
Y signal terminal of S VIDEO jack
(75
 terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
B
Adjustment Address
D1
Specified Value
A = 1000 ± 14mV
Note:
The data of page: 0, address: 10 must be “00”.
Switch setting:
DEMO MODE (Menu setting) ........................................ OFF
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
3
00
00
Set the data.
3
3
0C
03
Set the data, and press PAUSE
button.
4
B
D1
Change the data and set the Y
signal level (A) to the specified
value.
5
B
D1
Press PAUSE button.
6
3
0C
00
Set the data, and press PAUSE
button.
7
0
01
00
Set the data.
2. S VIDEO OUT Chroma Level Adjustment (VC-353 Board)
Mode
MOVIE ( 
 )
Subject
Arbitrary
Measurement Point
Chroma signal terminal of S VIDEO
jack (75
 terminated)
External trigger: Y signal terminal of
S VIDEO jack
Measuring Instrument
Oscilloscope
Adjustment Page
B
Adjustment Address
D2, D3
Specified Value
Cr level
: A = 714 ± 14mV (NTSC)
A = 700 ± 14mV (PAL)
Cb level
: B = 714 ± 14mV (NTSC)
B = 700 ± 14mV (PAL)
Burst level : C = 286 ± 6mV (NTSC)
C = 300 ± 6mV (PAL)
Note:
The data of page: 0, address: 10 must be “00”.
Switch setting:
DEMO MODE (Menu setting) ........................................ OFF
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
3
00
00
Set the data.
3
3
0C
03
Set the data, and press PAUSE
button.
4
B
D2
Change the data and set the Cr
signal level (A) to the specified
value.
5
B
D2
Press PAUSE button.
6
B
D3
Change the data and set the Cb
signal level (B) to the specified
value.
7
B
D3
Press PAUSE button.
8
3
0C
00
Set the data, and press PAUSE
button.
9
Check that the burst signal level
(C) is satisfied the specified value.
10
0
01
00
Set the data.
Fig. 6-2-3.
Fig. 6-2-4.
H
A
H
C
A
0.28 
µ
sec (NTSC)
0.23 
µ
sec (PAL)
B
0.28 
µ
sec (NTSC) 
0.23 
µ
sec (PAL)
6-37
DCR-DVD91E/DVD101/DVD101E
3. VIDEO OUT Y, Chroma Level Check (VC-353 Board)
Mode
MOVIE ( 
 )
Subject
Arbitrary
Measurement Point
Video terminal of AUDIO VIDEO
jack (75
 terminated)
Measuring Instrument
Oscilloscope
Specified Value
Sync level : A = 286 ± 18mV (NTSC)
A = 300 ± 18mV (PAL)
Burst level : B = 286 ± 18mV (NTSC)
B = 300 ± 18mV (PAL)
Note:
The data of page: 0, address: 10 must be “00”.
Switch setting:
DEMO MODE (Menu setting) ........................................ OFF
Adjusting method:
Order Page Address Data
Procedure
1
3
00
00
Set the data.
2
3
0C
03
Set the data, and press PAUSE
button.
3
Check that the sync signal level
(A) satisfies the specified value.
4
Check that the burst signal level
(B) satisfies the specified value.
5
3
0C
00
Set the data, and press PAUSE
button.
Fig. 6-2-5.
H
B
A
6-38
DCR-DVD91E/DVD101/DVD101E
2-3.
AUDIO SYSTEM ADJUSTMENTS
Note1:
When checking the DCR-DVD91E model. To check it playback
the disc, which recorded with the DCR-DVD101E model or
DCR-DVD201E model
Switch setting:
REC MODE (DISC SET of Menu setting) ........................ LP
Note2:
Reset to SP, after completing adjustments.
Type of disc to use:
DVD-RW (VF format)
[Connection of Audio System Measuring Devices]
Connect the audio system measuring devices as shown in Fig. 6-2-6.
Note3:
In recording mode, input a color bar signal to the video input.
1. Overall Level Characteristics Check
Mode
PLAY ( 
 ) mode
Recording and playback
Signal
400Hz, -7.5dBs signal:
AUDIO L and AUDIO R terminal of
AUDIO/VIDEO jack
Measurement Point
AUDIO L and AUDIO R terminal of
AUDIO/VIDEO jack
Measuring Instrument
Audio level meter
Specified Value
-7.5 ± 1.0dBs
Checking Method
1)
Input the 400Hz, -7.5dBs signal in the AUDIO L and AUDIO
R terminal.
2)
Record the signal.
3)
Playback the recorded section.
4)
Check that the 400Hz signal level is the specified value.
2. Overall Distortion Check
Mode
PLAY ( 
 ) mode
Recording and playback
Signal
400Hz, -7.5dBs signal:
AUDIO L and AUDIO R terminal of
AUDIO/VIDEO jack
Measurement Point
AUDIO L and AUDIO R terminal of
AUDIO/VIDEO jack
Measuring Instrument
Audio distortion meter
Specified Value
Below 0.4% (200Hz to 6kHz BPF ON)
Checking Method
1)
Input the 400Hz, -7.5dBs signal in the AUDIO L and AUDIO
R terminal.
2)
Record the signal.
3)
Playback the recorded section.
4)
Check that the distortion is the specified value.
3. Overall Noise Level Check
Mode
PLAY ( 
 ) mode
Recording and playback
Signal
No signal:
AUDIO L and AUDIO R terminal of
AUDIO/VIDEO jack
Measurement Point
AUDIO L and AUDIO R terminal of
AUDIO/VIDEO jack
Measuring Instrument
Audio level meter
Specified Value
Below -45dBs
(IHF-A filter ON, 20kHz LPF ON)
Checking Method
1)
Insert shorting plugs in each of AUDIO L and AUDIO R
terminal.
2)
Record the signal.
3)
Remove the shorting plugs.
4)
Playback the recorded section.
5)
Check that the noise level is the specified value.
Fig. 6-2-6.
[How to record the line input signal]
1)
Set the mode dial to PLAY/EDIT ( 
 ).
2)
Press the VISUAL INDEX button so that the line input video
signal is displayed on the LCD screen
3)
Press the REC buttons.
Recording (Except for DCR-DVD91E model)
Audio oscillator
Attenuator
600 
Main unit
600 
: 270 
 (1-249-410-11) + 330 
 (1-249-411-11)
Main unit
Left (White)
Right 
47k 
47k 
Video (Yellow)
TV monitor
Audio level meter
or Distortion meter
47k 
 (1-249-437-11)
Playback
AUDIO/VIDEO
(Red)
Video
(Yellow)
Left
(White)
Right
(Red)
Pattern generator
Video output
(75 
)
AUDIO/VIDEO
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