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”
before adjustments”
Measurement Point
Pin 2 of CN007 (RF MON) (Note 1)
Ext. trigger: Pin 3 of CN007 (SWP)
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”
“00”
Note 1: Connect a 75
Ω
resistor between Pin 2 and Pin 1 (GND) of
CN007.
75
75
Ω
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”
“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.)
signal is stable. (Fig. 6-3-6.)
5
3
01
07
Set the data, and press PAUSE
button.
button.
6
3
02
Check that the data changes
from “07” to “00” in about 20
seconds after pressing PAUSE
button.
from “07” to “00” in about 20
seconds after pressing PAUSE
button.
7
3
03
Check that the data is “00”.
(Note3)
(Note3)
8
Perform “Processing after
Completing Adjustments”.
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.
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.
button.
3
3
02
Check that the data changes to
“00”.
“00”.
4
3
03
Check that bit2, bit3 and bit6 of
the data are “0”. (Note)
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”.)
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.
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)
(Cover the lens with the lens cap)
Measurement Point
CH1: Chroma signal terminal of
S VIDEO jack (75
S VIDEO jack (75
Ω
terminated)
CH2: Y signal terminal of S VIDEO
jack (75
jack (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
28
Specified Value
A = 100mVp-p or less
B = 200mVp-p or more
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.
output to the chroma signal
terminal of S VIDEO jack.
3
3
0C
04
Set the data, and press PAUSE
button.
button.
4
C
28
Change the data for minimum
amplitude of the burst signal
level (A).
(The data should be “00” to
“07”.)
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.
button.
7
Check that the burst signal level
(B) satisfies the specified value.
(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
(75
Ω
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.
button.
5
C
25
Change the data and set the Y
signal level (A) to the specified
value.
signal level (A) to the specified
value.
6
C
25
Press PAUSE button.
7
3
0C
00
Set the data, and press PAUSE
button.
button.
8
2
35
Set the data that is noted down at
step 2.
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
jack (75
Ω
terminated)
External trigger: Y signal terminal of
S VIDEO jack
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.
button.
5
C
26
Change the data and set the Cr
signal level (A) to the specified
value.
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.
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.
(C) is satisfied the specified value.
10
3
0C
00
Set the data, and press PAUSE
button.
button.
11
2
35
Set the data that is noted down at
step 2.
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
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)
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.
button.
4
Check that the sync signal level
(A) satisfies the specified value.
(A) satisfies the specified value.
5
Check that the burst signal level
(B) satisfies the specified value.
(B) satisfies the specified value.
6
3
0C
00
Set the data, and press PAUSE
button.
button.
7
2
35
Set the data that is noted down at
step 1.
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.
position.
2
Connect the adjustment remote
commander and set the HOLD
switch to ON (SERVICE)
position.
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.
button.
5
Playback the BIST check tape.
(XH5-6 (NTSC), XH5-6P (PAL))
(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
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.
button.
2
3
70
00
Set the data, and press PAUSE
button.
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:
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)
75 (Case3), D3 (Case4),
59 (Case5), FF (Case6)
PAL model:
86 (Case1), AA (Case2),
90 (Case3)
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:
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)
07 (Case3), D6 (Case4),
01 (Case5), D0 (Case6)
PAL model:
35 (Case1), 33 (Case2),
B6 (Case3)
B6 (Case3)
5
3
If the data of address 73 and
address 74 are correct, IC301
TRX (RF) playback system is
normal.
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.
button.
2
3
12
08
Set the data, and press PAUSE
button.
button.
3
3
12
00
Set the data, and press PAUSE
button.
button.
4
3
13
03
Set the data, and press PAUSE
button.
button.
5
3
14
Check that the data is the
following value.
NTSC model: 41
PAL model: 2D
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
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.
address 15 are correct, IC301
AUD (ABUS) playback system
is normal.
1-4. IC301 VFD PB BIST Check
• EX Y BIST Check
• EX Y BIST Check
Order Page Address Data
Procedure
1
3
12
10
Set the data, and press PAUSE
button.
button.
2
3
12
00
Set the data, and press PAUSE
button.
button.
3
3
13
04
Set the data, and press PAUSE
button.
button.
4
3
14
Check that the data is the
following value.
NTSC model: FB
PAL model: 54
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
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.
address 15 are correct, IC301
EX Y playback system is
normal.
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