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Model
DCR-PC1000 DCR-PC1000E (serv.man4)
Pages
79
Size
1.12 MB
Type
PDF
Document
Service Manual
Brand
Device
Movie / SECTION 6 ADJUSTMENTS
File
dcr-pc1000-dcr-pc1000e-sm4.pdf
Date

Sony DCR-PC1000 / DCR-PC1000E (serv.man4) Service Manual ▷ View online

6-62
DCR-PC1000/PC1000E
3. S VIDEO OUT Y Level Adjustment (VC-398 board)
Mode
CAMERA-TAPE
Subject
Arbitrary
Measurement Point
Y signal terminal of S VIDEO plug of
A/V jack (75
Ω terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
25
Specified Value
A = 1000 
± 14mV
Note1:
This adjustment should be carried out upon completion of the
following adjustments.
“IC4701 LINE OUT Y Level Adjustment”, “IC4701 LINE OUT
Chroma Level Adjustment”.
Note2:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
8
4C
94
Set the data, and press PAUSE
button.
3
3
01
71
Set the data, and press PAUSE
button.
4
C
25
Change the data and set the Y
signal level (A) to the specified
value.
5
C
25
Press PAUSE button.
6
3
01
00
Set the data, and press PAUSE
button.
7
8
4C
96
Set the data, and press PAUSE
button.
8
0
01
00
Set the data.
4. S VIDEO OUT Chroma Level Adjustment
(VC-398 board)
Mode
CAMERA-TAPE
Subject
Arbitrary
Measurement Point
Chroma signal terminal of S VIDEO
plug of A/V jack (75
Ω terminated)
External trigger: Y signal terminal of
S VIDEO plug of A/V jack
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
26, 27
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)
Note1:
This adjustment should be carried out upon completion of the
following adjustments.
“IC4701 LINE OUT Y Level Adjustment”, “IC4701 LINE OUT
Chroma Level Adjustment”.
Note2:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
8
4C
94
Set the data, and press PAUSE button.
3
3
01
71
Set the data, and press PAUSE button.
4
C
26
Change the data and set the Cr
signal level (A) to the specified
value.
5
C
26
Press PAUSE button.
6
C
27
Change the data and set the Cb
signal level (B) to the specified
value.
7
C
27
Press PAUSE button.
8
Check that the burst signal level
(C) is satisfied the specified value.
9
3
01
00
Set the data, and press PAUSE button.
10
8
4C
96
Set the data, and press PAUSE button.
11
0
01
00
Set the data.
Fig. 6-3-6.
Fig. 6-3-7.
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)
6-63
DCR-PC1000/PC1000E
5. IC4701 Automatic Adjustment
(VC-398 board)
Adjust the IC4001 Y output level (IC4701 input Y level) when letting
the IC4701 line system pass. And adjust the clamp level and output
level of the IC4701 panel (LCD) system and output level of the
IC4001.
Mode
CAMERA-TAPE
Subject
Arbitrary
Measurement Point
Display data of page: 3, address: 04,
05
Measuring Instrument
Adjustment remote commander
Adjustment Page
C
Adjustment Address
83 to 8A, 99, A1 to A3
Specified Value
Data of page: 3, address: 04 is “78”.
Data of page: 3, address: 05 is “78”.
Note1:
This adjustment should be carried out upon completion of the
following adjustments.
“IC4701 LINE OUT Y Level Adjustment”, “IC4701 LINE OUT
Chroma Level Adjustment”, “S VIDEO OUT Y Level Adjustment”
“S VIDEO OUT Chroma Level Adjustment”
Note2:
The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
Connect the A/V cable to the A/V
jack.
2
Open the LCD panel.
3
0
01
01
Set the data.
4
3
01
78
Set the data, and press PAUSE
button.
5
3
04
Check that the data is “78”.
(Note3)
6
3
05
Check that the data is “78”.
(Note3)
7
3
01
00
Set the data, and press PAUSE
button.
8
0
01
00
Set the data.
Note3:
If the data is other than “78”, adjustment has errors. Contents of
the error is written into page: 3, addresses: 03. See the following
table.
6. VIDEO OUT Y, Chroma Level Check (VC-398 board)
Mode
CAMERA-TAPE
Subject
Arbitrary
Measurement Point
Video plug of A/V jack
(75
Ω 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”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
8
4C
94
Set the data, and press PAUSE
button.
3
3
01
71
Set the data, and press PAUSE
button.
4
Check that the sync signal level
(A) satisfies the specified value.
5
Check that the burst signal level
(B) satisfies the specified value.
6
3
01
00
Set the data, and press PAUSE
button.
7
8
4C
96
Set the data, and press PAUSE
button.
8
0
01
00
Set the data.
Data of page: 3,
address: 03
72
74
75
76
Contents of the abnormality
S VIDEO OUT Y Level adjustment
(IC4701 line on) error
IC4701 panel (LCD) clamp level
adjustment error
IC4001 panel (LCD) output level
adjustment error
IC4701 panel (LCD) output level
adjustment error
Fig. 6-3-8.
H
B
A
6-64
DCR-PC1000/PC1000E
3-5.
AUDIO SYSTEM ADJUSTMENTS
[Connection of Audio System Measuring Devices]
Connect the audio system measuring devices as shown in Fig. 6-3-9.
Fig. 6-3-9.
Recording (PLAY/EDIT mode)
Audio oscillator
Attenuator
600 
Left
Right
Main unit
AUDIO/
VIDEO
IN
600 
: 270 
 (1-249-410-11) + 330 
 (1-249-411-11)
Main unit
AUDIO/
VIDEO
OUT
Left (White)
Right 
47k 
47k 
Video (Yellow)
TV monitor
Audio level meter
or Distortion meter
47k 
 (1-249-437-11)
Playback (PLAY/EDIT mode)
(Red)
6-65
DCR-PC1000/PC1000E
1. Playback Level Check
Mode
VTR playback
Signal
Audio operation check tape
For audio operation check
(XH5-3 (NTSC))
(XH5-3P (PAL))
Measurement  Point
Audio left or right terminal of AUDIO
VIDEO jack
Measuring Instrument
Audio level meter and frequency
counter
Specified Value
32kHz mode : 1kHz, +3.0 
± 2.0dBs
48kHz mode : 1kHz, +3.0 
± 2.0dBs
44.1kHz mode :
The 7.35kHz signal level during
EMP OFF is +2.0 
± 2.0dBs.
The 7.35kHz signal level during
EMP ON is -6 
± 2 dB from the
signal level during EMP OFF.
Checking Method:
1)
Check that the playback signal level is the specified value.
2. Overall Level Characteristics Check
Mode
VTR recording and playback
Signal
400Hz, -7.5dBs signal: AUDIO
VIDEO jack left and right
Measurement  Point
Audio left or right terminal of AUDIO
VIDEO jack
Measuring Instrument
Audio level meter
Specified Value
-7.5 
± 3.0dBs
Checking Method:
1)
Input the 400Hz, -7.5dBs signal in the AUDIO VIDEO jack.
2)
Record in the PLAY/EDIT mode.
3)
Playback the recorded section.
4)
Check that the 400Hz signal level is the specified value.
3. Overall Distortion Check
Mode
VTR recording and playback
Signal
400Hz, -7.5dBs signal: AUDIO
VIDEO jack left and right
Measurement  Point
Audio left or right 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 VIDEO jack.
2)
Record in the PLAY/EDIT mode.
3)
Playback the recorded section.
4)
Check that the distortion is the specified value.
4. Overall Noise Level Check
Mode
VTR recording and playback
Signal
No signal: Insert a shorting plug in the
AUDIO VIDEO jack
Measurement  Point
Audio left or right 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 a shorting plug in the AUDIO VIDEO jack.
2)
Record in the PLAY/EDIT mode.
3)
Playback the recorded section.
4)
Check that the distortion is the specified value.
5. Overall Separation Check
Mode
VTR recording and playback
Signal
400Hz, -7.5dBs signal: AUDIO
VIDEO jack <right>[left]
(Connect the AUDIO VIDEO jack
<left>[right] to GND )
Measurement  Point
Audio <left>[right] terminal of
AUDIO VIDEO jack
Measuring Instrument
Audio level meter
Specified Value
Below -40dBs
( IHF-A filter ON)
<   >: Left channel check
[     ]: Left channel check
Checking Method:
1)
Input the 400Hz, -7.5dBs signal in the <right>[left] terminal
of the AUDIO VIDEO jack only.
2)
Record in the PLAY/EDIT mode.
3)
Playback the recorded section.
4)
Check that the signal level of the audio <left>[right] terminal
is the specified value.
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