DOWNLOAD Sony DCR-TRV16 / DCR-TRV16E / DCR-TRV18 / DCR-TRV18E Service Manual ↓ Size: 16.22 MB | Pages: 127 in PDF or view online for FREE

Model
DCR-TRV16 DCR-TRV16E DCR-TRV18 DCR-TRV18E
Pages
127
Size
16.22 MB
Type
PDF
Document
Service Manual
Brand
Device
Movie / LEVEL 3
File
dcr-trv16-dcr-trv16e-dcr-trv18-dcr-trv18e.pdf
Date

Sony DCR-TRV16 / DCR-TRV16E / DCR-TRV18 / DCR-TRV18E Service Manual ▷ View online

5-34
DCR-TRV16/TRV16E/TRV18/TRV18E/TRV116E/TRV118E
2. RGB AMP Adjustment (PD-161 board)
Set the D range of the RGB decoder used to drive the LCD to the
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
Mode
VTR stop
Signal
No signal
Measurement Point
Pin 7 of CN1002 of VC-280 board
(PANEL VG)
Ext. trigger: Pin qa of CN1002 of VC-
280 board  (PANEL COM)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
64
Specified Value
A = 3.52 ± 0.05V (NTSC)
A = 3.63 ± 0.05V (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
C
64
Change the data and set the
voltage (A) between the reversed
waveform pedestal and non-
reversed waveform pedestal to the
specified value. (The data should
be “00” to “3F”.)
3
C
64
Press PAUSE button.
4
0
01
00
Set the data.
3. Contrast Adjustment (PD-161 board)
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
Mode
VTR stop
Signal
No signal
Measurement Point
Pin 7 of CN1002 of VC-280 board
(PANEL VG)
Ext. trigger: Pin qa of CN1002 of VC-
280 board  (PANEL COM)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
69
Specified Value
A = 3.00 ± 0.05V (NTSC)
A = 3.37 ± 0.05V (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
C
69
Change the data and set the
voltage (A) between the 100 IRE
and 0 IRE (pedestal) to the
specified value. (The data should
be “00” to “7F”.)
3
C
69
Press PAUSE button.
4
0
01
00
Set the data.
Fig. 5-1-19.
Pedestal
Pedestal
A
2H
100 IRE
Pedestal
A
2H
Fig. 5-1-20.
5-35
DCR-TRV16/TRV16E/TRV18/TRV18E/TRV116E/TRV118E
4. COM AMP Adjustment (PD-161 board)
Set the common electrode drive signal level of LCD to the specified
value.
Mode
VTR stop
Signal
No signal
Measurement Point
Pin qa of CN1002 of VC-280 board
(PANEL COM)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
66
Specified Value
A = 5.97 ± 0.05V (NTSC)
A = 6.34 ± 0.05V (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
C
66
Change the data and set the
PANEL COM signal level (A) to
the specified value.
3
C
66
Press PAUSE button.
4
0
01
00
Set the data.
5. V COM Adjustment (PD-161 board)
Set the DC bias of the common electrode drive signal of LCD to the
specified value.
If deviated, the LCD display will move, producing flicker and
conspicuous vertical lines.
Mode
VTR stop
Signal
No signal
Measurement Point
Check on LCD display
Measuring Instrument
Adjustment Page
C
Adjustment Address
63
Specified Value
The brightness difference between the
section A and section B is minimum.
Note1:
This adjustment should be carried out upon completion of the
following adjustments.
RGB AMP Adjustment
Contrast Adjustment
COM AMP 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
C
63
Change the data so that the
brightness of the section A and
that of the section B is equal.
3
C
63
Subtract 8 from the data.
4
C
63
Press PAUSE button.
5
0
01
00
Set the data.
Fig. 5-1-21.
Fig. 5-1-22.
A
A
A
A
B
B
B
B
A
2H
5-36
DCR-TRV16/TRV16E/TRV18/TRV18E/TRV116E/TRV118E
6. White Balance Adjustment (PD-161 board)
Correct the white balance.
If deviated, the reproduction of the LCD screen may degenerate.
Mode
VTR stop
Signal
No signal
Measurement Point
Check on LCD screen
Measuring Instrument
Adjustment Page
C
Adjustment Address
67, 68
Specified Value
The LCD screen should not be colored.
Note1:
Check the white balance only when replacing the following parts.
If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC5501
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
C
67
80
Set the data, and press PAUSE
button.
3
C
68
80
Set the data, and press PAUSE
button.
4
C
68
Check that the LCD screen is not
colored. If not colored, proceed to
step 10.
5
C
67
Change the data so that the LCD
screen is not colored.
6
C
67
Press PAUSE button.
7
C
68
Change the data so that the LCD
screen is not colored.
8
C
68
Press PAUSE button.
9
C
68
If the LCD screen is colored,
repeat steps 5 to 9.
10
0
01
00
Set the data.
5-37
DCR-TRV16/TRV16E/TRV18/TRV18E/TRV116E/TRV118E
5-2. MECHANISM SECTION
ADJUSTMENT
On the mechanism section adjustment
For detail of mechanism section adjustments, checks, and
replacement of mechanism parts, refer to the separate volume “DV
MECHANICAL ADJUSTMENT MANUAL 
  J Mechanism  ”.
Note:
Before performing the adjustments, check the data of page: 0,
address: 10 is “00”. If not, set data: 00 to this address.
2-1.
HOE TO ENTER RECORD MODE WITHOUT
CASSETTE
1)
Connect the adjustment remote commander to the LANC jack.
2)
Turn the HOLD switch of the adjustment remote commander
to the ON position.
3)
Close the cassette compartment without the cassette.
4)
Select page: 3, address: 01, and set data: 0C, and press the
PAUSE button of the adjustment remote commander.
(The mechanism enters the record mode automatically.)
Note:
The function buttons becomes inoperable.
5)
To quit the record mode, select page: 3, address: 01, set data:
00, and press the PAUSE button of the adjustment remote
commander. (Whenever you want to quit the record mode, be
sure to quit following this procedure.)
2-2.
HOE TO ENTER PLAYBACK MODE
WITHOUT CASSETTE
1)
Connect the adjustment remote commander to the LANC jack.
2)
Turn the HOLD switch of the adjustment remote commander
to the ON position.
3)
Close the cassette compartment without the cassette.
4)
Select page: 3, address: 01, and set data: 0B, and press the
PAUSE button of the adjustment remote commander.
(The mechanism enters the playback mode automatically.)
Note:
The function buttons becomes inoperable.
5)
To quit the playback mode, select page: 3, address: 01, set data:
00, and press the PAUSE button of the adjustment remote
commander. (Whenever you want to quit the playback mode,
be sure to quit following this procedure.)
2-3.
TAPE PATH ADJUSTMENT
1. Preparation for Adjustment
1)
Clean the tape running side (tape guide, drum, capstan shaft,
pinch roller, etc.).
2)
Connect the adjustment remote commander to the LANC jack.
3)
Turn the HOLD switch of the adjustment remote commander
to the ON position.
4)
Connect an oscilloscope to VC-280 board CN1002 via the CPC-
8 jig (J-6082-388-A).
Channel 1: VC-280 board, CN1002 Pin w; (Note)
External trigger: VC-280 board, CN1002 Pin qj
Note:
Connect a 75
 resistor between Pins w; of CN1002 and ql
(GND).
5)
Playback the alignment tape for tracking. (XH2-1)
6)
Select page: 3, address: 33, and set data: 08.
7)
Select page: 3, address: 26, and set data: 31.
8)
Check that the oscilloscope RF waveform is normal at the
entrance and exit.
If not normal, adjust according to the separate volume
“DV MECHANICAL ADJUSTMENT MANUAL 
  J Mechanism  ”.
CN1002 of VC-280 board
Table 5-2-1.
2. Processing after Completing Operations:
1)
Connect the adjustment remote commander to the LANC jack
and set the HOLD switch to the ON position.
2)
Select page: 3, address: 26, and set data: 00.
3)
Select page: 3, address: 33, and set data: 00.
CH1
Entrance side
Exit side
Check this section
(Normal waveform)
CH2
(Trigger)
3.3msec
Fig. 5-2-1.
Pin No.
1
3
5
7
9
11
13
15
17
19
Signal Name
N.C.
N.C.
EVF VCO
PANEL VG
H START
PANEL COM
N.C.
N.C.
SWP
GND
Pin No.
2
4
6
8
10
12
14
16
18
20
Signal Name
N.C.
EVF VG
GND
PD VCO
XHD/PSIG
TMS (MAKER CHECK)
N.C.
GND
RF IN/LANC JACK IN
RF MON
Page of 127
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