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Model
DCR-VX2100 DCR-VX2100E (serv.man4)
Pages
66
Size
1.51 MB
Type
PDF
Document
Service Manual
Brand
Device
Movie / SECTION 6 ADJUSTMENTS
File
dcr-vx2100-dcr-vx2100e-sm4.pdf
Date

Sony DCR-VX2100 / DCR-VX2100E (serv.man4) Service Manual ▷ View online

6-46
DCR-VX2100/VX2100E
5-3. APC & AEQ Adjustment (VC-358 Board)
Mode
Playback
Signal
Recorded signal at “Preparations
before adjustments”
Measurement Point
Pin 2 of CN007 (RF MON) (Note 1)
Ext. trigger: Pin 3 of CN007 (SWP)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
18, 19, 1B, 1C, 21, 2C
Specified Value
The data of page: 3, address: 03 is
“00”
Note 1: Connect a 75
 resistor between Pin 2 and Pin 1 (GND) of
CN007.
75
 resistor (Parts code: 1-247-804-11)
Note 2: The  “AGC Center Level Adjustment” must have already been
completed before starting this adjustment.
Adjusting method:
Order Page Address Data
Procedure
1
Playback the recorded signal at
“Preparations before
adjustments”
2
0
01
01
Set the data.
3
3
33
08
Set the data.
4
Confirm that the playback RF
signal is stable. (Fig. 6-3-6.)
5
3
01
07
Set the data, and press PAUSE
button.
6
3
02
Check that the data changes
from “07” to “00” in about 20
seconds after pressing PAUSE
button.
7
3
03
Check that the data is “00”.
(Note3)
8
Perform “Processing after
Completing Adjustments”.
Note3: If the data is other than “00”, adjustment has errors. Take an
appropriate remedial measures according to the errors referring to
the following table.
Data
Contents of defect
20
Perform re-adjustment. (Note 4)
30
The machine is defective
50
Perform re-adjustment. (Note 4)
60
The machine is defective
80
The machine is defective
Note 4: If this data is displayed twice successively, the machine is defective.
5-4. Processing after Completing Adjustments
Order Page Address Data
Procedure
1
2
30
00
Set the data.
2
3
33
00
Set the data.
3
0
01
00
Set the data.
6. PLL f
0
 & LPF f
0
 Final Adjustment (VC-358 Board)
Mode
VTR stop
Signal
Arbitrary
Measurement Point
Display data of page: 3, address: 03
Measuring Instrument
Adjustment remote commander
Adjustment Page
C
Adjustment Address
1F, 20, 22, 29
Specified Value
Bit2, bit3 and bit6 are “0”
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
3
01
30
Set the data, and press PAUSE
button.
3
3
02
Check that the data changes to
“00”.
4
3
03
Check that bit2, bit3 and bit6 of
the data are “0”. (Note)
5
0
01
00
Set the data.
Note: If bit2, bit3 or bit 6 of the data is “1”, there are errors.
For the error contents, see the following table. (For the bit values,
refer to “6-4. SERVICE MODE”, “4-3. 3. Bit value discrimination”.)
Bit value of page: 3,
Error contents
address: 03
bit 4 = 1
PLL f
0
 even channel is defective
bit 5 = 1
PLL f
0
 odd channel is defective
bit 6 = 1
LPF f
0
 is defective
bit 3 = 1
PLL f
0
 final adjustment is defective
bit 2 = 1
PLL f
0
 final adjustment time-out
6.7 msec 
PB RF signal is stable
Pin 3
Pin 2
Fig. 6-3-6.
6-47
DCR-VX2100/VX2100E
3-4.
VIDEO SYSTEM ADJUSTMENTS
Before perform the video system adjustments, check that the
specified value of “27MHz Origin Oscillation Adjustment” of
“CAMERA SYSTEM ADJUSTMENT” is satisfied.
3-4-1. Base Band Block Adjustments
1. Chroma BPF f
0
 Adjustment (VC-358 Board)
Set the center frequency of IC1301 chroma band-pass filter.
Mode
Camera
Subject
All black
(Cover the lens with the lens cap)
Measurement Point
CH1: Chroma signal terminal of
S VIDEO jack (75
 terminated)
CH2: Y signal terminal of S VIDEO
jack (75
 terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
28
Specified Value
A = 100mVp-p or less
B = 200mVp-p or more
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
Check that the burst signal (B) is
output to the chroma signal
terminal of S VIDEO jack.
3
3
0C
04
Set the data, and press PAUSE
button.
4
C
28
Change the data for minimum
amplitude of the burst signal
level (A).
(The data should be “00” to
“07”.)
5
C
28
Press PAUSE button.
6
3
0C
00
Set the data, and press PAUSE
button.
7
Check that the burst signal level
(B) satisfies the specified value.
8
0
01
00
Set the data.
2. S VIDEO OUT Y Level Adjustment (VC-358 Board)
Mode
Camera
Subject
Arbitrary
Measurement Point
Y signal terminal of S VIDEO jack
(75
 terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
25
Specified Value
A = 1000 
±
 14mV
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
2
35
Note down the data.
3
2
35
01
Set the data.
4
3
0C
02
Set the data, and press PAUSE
button.
5
C
25
Change the data and set the Y
signal level (A) to the specified
value.
6
C
25
Press PAUSE button.
7
3
0C
00
Set the data, and press PAUSE
button.
8
2
35
Set the data that is noted down at
step 2.
9
0
01
00
Set the data.
CH1
CH2
A
H
CH1
H
B
When the data of page: 3, address: 0C, is 04:
When the data of page: 3, address: 0C, is 00:
Fig. 6-3-7.
H
Center of luminance line
A
Fig. 6-3-8.
6-48
DCR-VX2100/VX2100E
3. S VIDEO OUT Chroma Level Adjustment
(VC-358 Board)
Mode
Camera
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
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)
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
2
35
Note down the data.
3
2
35
01
Set the data.
4
3
0C
02
Set the data, and press PAUSE
button.
5
C
26
Change the data and set the Cr
signal level (A) to the specified
value.
6
C
26
Press PAUSE button.
7
C
27
Change the data and set the Cb
signal level (B) to the specified
value.
8
C
27
Press PAUSE button.
9
Check that the burst signal level
(C) is satisfied the specified value.
10
3
0C
00
Set the data, and press PAUSE
button.
11
2
35
Set the data that is noted down at
step 2.
12
0
01
00
Set the data.
4. VIDEO OUT Y, Chroma Level Check (VC-358 Board)
Mode
Camera
Subject
Arbitrary
Measurement Point
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)
Adjusting method:
Order Page Address Data
Procedure
1
2
35
Note down the data.
2
2
35
01
Set the data.
3
3
0C
02
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
0C
00
Set the data, and press PAUSE
button.
7
2
35
Set the data that is noted down at
step 1.
8
0
01
00
Set the data.
H
C
A
0.28 
µ
sec (NTSC)
0.23 
µ
sec (PAL)
B
0.28 
µ
sec (NTSC) 
0.23 
µ
sec (PAL)
H
B
A
Fig. 6-3-9.
Fig. 6-3-10.
6-49
DCR-VX2100/VX2100E
3-4-2. BIST Check
Switch setting:
LCD panel ...................................................................... Open
1. Playback System Check
1-1. Preparations for Playback
Order Page Address Data
Procedure
1
Set the POWER switch to VCR
position.
2
Connect the adjustment remote
commander and set the HOLD
switch to ON (SERVICE)
position.
3
0
01
01
Set the data.
4
C
42
00
Set the data, and press PAUSE
button.
5
Playback the BIST check tape.
(XH5-6 (NTSC), XH5-6P (PAL))
Note1: Perform the following checks in the playback mode.
Note2: Use the AC power adaptor or the battery (Info LITHIUM L series).
Note3: NTSC model : DCR-VX2100
PAL model
: DCR-VX2100E
1-2. IC301 TRX (RF) PB BIST Check
Order Page Address Data
Procedure
1
3
70
04
Set the data, and press PAUSE
button.
2
3
70
00
Set the data, and press PAUSE
button.
3
3
73
Check that the data is equal to
either of the following values.
And memorize the case number
of the value.
NTSC model:
63 (Case1), C5 (Case2),
75 (Case3), D3 (Case4),
59 (Case5), FF (Case6)
PAL model:
86 (Case1), AA (Case2),
90 (Case3)
4
3
74
Check that the data is equal to
the following value which case
number is equal to that of
address 73.
NTSC model:
84 (Case1), 55 (Case2),
07 (Case3), D6 (Case4),
01 (Case5), D0 (Case6)
PAL model:
35 (Case1), 33 (Case2),
B6 (Case3)
5
3
If the data of address 73 and
address 74 are correct, IC301
TRX (RF) playback system is
normal.
1-3. IC301 AUD (ABUS) PB BIST Check
Order Page Address Data
Procedure
1
3
11
04
Set the data, and press PAUSE
button.
2
3
12
08
Set the data, and press PAUSE
button.
3
3
12
00
Set the data, and press PAUSE
button.
4
3
13
03
Set the data, and press PAUSE
button.
5
3
14
Check that the data is the
following value.
NTSC model: 41
PAL model: 2D
6
3
15
Check that the data is the
following value.
NTSC model: 81
PAL model: 7C
7
3
If the data of address 14 and
address 15 are correct, IC301
AUD (ABUS) playback system
is normal.
1-4. IC301 VFD PB BIST Check
• EX Y BIST Check
Order Page Address Data
Procedure
1
3
12
10
Set the data, and press PAUSE
button.
2
3
12
00
Set the data, and press PAUSE
button.
3
3
13
04
Set the data, and press PAUSE
button.
4
3
14
Check that the data is the
following value.
NTSC model: FB
PAL model: 54
5
3
15
Check that the data is the
following value.
NTSC model: F4
PAL model: ED
6
3
If the data of address 14 and
address 15 are correct, IC301
EX Y playback system is
normal.
Page of 66
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