DOWNLOAD Sony GV-HD700 (serv.man4) Service Manual ↓ Size: 684.89 KB | Pages: 38 in PDF or view online for FREE

Model
GV-HD700 (serv.man4)
Pages
38
Size
684.89 KB
Type
PDF
Document
Service Manual
Brand
Device
VCR / SECTION 6 ADJUSTMENTS
File
gv-hd700-sm4.pdf
Date
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6-20
GV-HD700/HD700E_ADJ
H
A
0.28 
µ
sec (NTSC)
B
0.28 
µ
sec (NTSC)
0.23 
µ
sec (PAL)
0.23 
µ
sec (PAL)
C
Fig. 6-3-4
1-3. S VIDEO OUT Chroma Level Adjustment
(VD-038 board)
Mode
VCR
Signal
No signal
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 (75 
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
91, 92 (NTSC)
8B, 8C (PAL)
  Specified value
Cr level: A = 714 
±
 14 mVp-p (NTSC)
A = 700 
±
 14 mVp-p (PAL)
Cb level: B = 714 
±
 14 mVp-p(NTSC)
B = 700 
±
 14 mVp-p(PAL)
Burst level: C = 286 
±
 6 mVp-p (NTSC)
   C = 300 
±
 6 mVp-p (PAL)
Adjusting method:
Order Page Address Data
Procedure
1
Peform “Preparations”.
2
C
Change the data and set the
Cr signal level (A) to the
specified value.
3
C
Press PAUSE (Write) button.
4
C
Change the data and set the
Cb signal level (B) to the
specified value.
5
C
Press PAUSE (Write) button.
6
Check the burst signal (C) to
the specified value.
7
Perform “Processing after
Complete Adjustment”.
(NTSC)
91
(PAL)
8B
(NTSC)
91
(PAL)
8B
(NTSC)
92
(PAL)
8C
(NTSC)
92
(PAL)
8C
6-21
GV-HD700/HD700E_ADJ
1-5. Processing after Complete Adjustment
Perform the setting through the procedure mentioned below when
you finish the “S VIDEO, VIDEO OUT Adjustment”.
Order Page Address Data
Procedure
1
0
10
01
2
C
0F
00
Press PAUSE (Write) button.
(1C)
3
8
04
80
Press PAUSE (Write) button.
(18)
4
8
00
00
Press PAUSE (Write) button.
(18)
5
8
01
00
Press PAUSE (Write) button.
(18)
6
8
06
00
Press PAUSE (Write) button.
(18)
7
0
10
00
8
0
01
00
1-4. VIDEO OUT Level Check (VD-038 board)
Mode
VCR
Signal
No signal
Measurement Point
Video terminal of A/V jack (75 
Ω
terminated)
Measuring Instrument
Oscilloscope
Specified value
Sync level: A = 286 
± 18 mVp-p(NTSC)
A = 300 
± 18 mVp-p(PAL)
Burst level: B = 286 
± 18 mVp-p(NTSC)
B = 300 
± 18 mVp-p(PAL)
Checking method:
Order Page Address Data
Procedure
1
Peform “Preparations”
2
Check the sync signal level
(A) to the specified value.
3
Check the burst signal level
(B) to the specified value.
4
Perform “Processing after
Complete Adjustment”.
Fig. 6-3-5
H
B
A
6-22
GV-HD700/HD700E_ADJ
3.
COMPONENT OUT Pr Level Adjustment
(VD-038 board)
Mode
REC
Subject
Arbitrary
Measurement Point
Pr signal terminal of COMPONENT
OUT jack (75 
Ω terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
95
Specified value
Pr level: A = 525 
± 10 mVp-p
Sync level: B = C = 300 
± 10 mVp-p
Switch setting:
1) REC FORMAT (Menu setting) ............................. HDV1080i
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
0
10
01
3
8
00
Set the bit value of bit7 is
“1”, and press PAUSE
(18)
(Write) button. (Note)
4
0
10
00
5
C
95
Change the data and set the
Pr signal level (A) to the
specified value.
6
C
95
Press PAUSE (Write) button.
7
Check the sync signal (B, C)
to the specified value.
8
0
10
01
9
8
00
Set the bit value of bit7 is
“0”, and press PAUSE
(18)
(Write) button. (Note)
10
0
10
00
11
0
01
00
Note:
For the bit values, refer to “6-4. SERVICE MODE”,
“4-4. 3. Bit value discrimination”.
Fig. 6-3-7
H
A
C
B
2.
COMPONENT OUT Y Level Adjustment
(VD-038 board)
Mode
REC
Subject
Arbitrary
Measurement Point
Y signal terminal of COMPONENT
OUT jack (75 
Ω terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
93
Specified value
Y level: A = 1000 
± 10 mVp-p
Sync level: B = C = 300 
± 10 mVp-p
Switch setting:
1) REC FORMAT (Menu setting) ............................. HDV1080i
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
0
10
01
3
8
00
Set the bit value of bit7 is
“1”, and press PAUSE
(18)
(Write) button. (Note)
4
0
10
00
5
C
93
Change the data and set the Y
signal level (A) to the
specified value.
6
C
93
Press PAUSE (Write) button.
7
Check the sync signal (B, C)
to the specified value.
8
0
10
01
9
8
00
Set the bit value of bit7 is
“0”, and press PAUSE
(18)
(Write) button. (Note)
10
0
10
00
11
0
01
00
Note:
For the bit values, refer to “6-4. SERVICE MODE”,
“4-4. 3. Bit value discrimination”.
Fig. 6-3-6
H
A
C
B
6-23
GV-HD700/HD700E_ADJ
H
A
C
B
4.
COMPONENT OUT Pb Level Adjustment
(VD-038 board)
Mode
REC
Subject
Arbitrary
Measurement Point
Pb signal terminal of COMPONENT
OUT jack (75 
Ω terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
94
Specified value
Pb level: A = 525 
± 10 mVp-p
Sync level: B = C = 300 
± 10 mVp-p
Switch setting:
1) REC FORMAT (Menu setting) ............................. HDV1080i
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
0
10
01
3
8
00
Set the bit value of bit7 is
“1”, and press PAUSE
(18)
(Write) button. (Note)
4
0
10
00
5
C
94
Change the data and set the
Pb signal level (A) to the
specified value.
6
C
94
Press PAUSE (Write) button.
7
Check the sync signal (B, C)
to the specified value.
8
0
10
01
9
8
00
Set the bit value of bit7 is
“0”, and press PAUSE
(18)
(Write) button. (Note)
10
0
10
00
11
0
01
00
Note:
For the bit values, refer to “6-4. SERVICE MODE”, “4-4.
3. Bit value discrimination”.
Fig. 6-3-8
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