DOWNLOAD Sony CCD-TR913E / CCD-TR950E Service Manual ↓ Size: 33.08 MB | Pages: 127 in PDF or view online for FREE

Model
CCD-TR913E CCD-TR950E
Pages
127
Size
33.08 MB
Type
PDF
Document
Service Manual
Brand
Device
Movie
File
ccd-tr913e-ccd-tr950e.pdf
Date

Sony CCD-TR913E / CCD-TR950E Service Manual ▷ View online

5-33
3-2. SYSTEM CONTROL SYSTEM ADJUSTMENT
1. Initialization of D, E, F Page Data
If the D, E, F page data is erased due to some reason, perform “1-2.
INITIALIZATION OF D, E, F PAGE DATA”, of “5-1. CAMERA
SECTION ADJUSTMENT”
2. Battery End Adjustment (VC-214 board)
Set the battery end voltage.
If the voltage is incorrect, the life of the battery will shorten.
The image at the battery end will also be rough.
Mode
Camera recording
Subject
Arbitrary
Measurement Point
LCD display of the adjustment remote
commander
Measuring Instrument
Adjustment Page
D
Adjustment Address
30 to 34
Note 1:
The lens block and cabinet (R) must be connected.
Switch setting
1)
AUTO FOCUS ................................................................. OFF
2)
LCD screen .................................................................. Closed
3)
NIGHT SHOT .................................................................. OFF
4)
VIDEO LIGHT ................................................................ OFF
Connection:
1)
Connect the regulated power supply and the digital voltmeter
to the battery terminal as shown in Fig. 5-3-4.
Adjusting method:
1)
Adjust the output voltage of the regulated power supply so that
the digital voltmeter display is 6.1 ± 0.1Vdc.
2)
Turn off the power supply.
3)
Turn on the HOLD switch of the adjustment remote
commander.
4)
Turn on the power supply.
5)
Load a cassette, and set to the camera recording mode.
6)
Select page: 0, address: 01, and set data: 01.
7)
Decrease the output voltage of the regulated power supply so
that the digital voltmeter display is 5.30 ± 0.01Vdc.
8)
Select page: 2, address: 5D, read the data, and this data is named
Dref.
9)
Select page: D, address: 30, set data: Dref, and press the PAUSE
button of the adjustment remote commander.
10) Convert Dref to decimal notation, and obtain Dref’. (Refer to
Table 5-4-1. “Hexadecimal-decimal conversion table” of “5-4.
Service Mode”.)
11) Calculate D
31
', D
32
', D
33
' and D
34
' using following equations
(decimal calculation), convert it to a hexadecimal number, and
input each adjustment address.
Address: 31
D
31
' = Dref’ + 5
Address: 32
D
32
' = Dref’ + 32
Address: 33
D
33
' = Dref’ + 53
Address: 34
D
34
' = Dref’ + 64
Note 2:
 After setting each data, be sure to press the PAUSE button.
12) Select page: 0, address: 01, and set data: 00.
+
+
+
Regulated power supply
Digital voltmeter
5.3 
±
 0.01 Vdc
Fig. 5-3-4.
5-34
3-3. SERVO SYSTEM ADJUSTMENTS
1. CAP FG Offset Adjustment (VC-214 board)
Improve the capstan servo characteristic. If it is not correct. jitters
will increase.
Mode
Camera recording (SP mode)
Subject
Arbitrary
Measurement Point
Pin !™ of CN910 (CAP FG)
Measuring Instrument
Oscilloscope
Adjustment Page
F
Adjustment Address
61
Specified value
Duty = 50 ± 1 %
Adjusting method:
1)
Set to the Camera recording mode (SP mode).
2)
Select page: 0, address: 01, and set data: 01.
3)
Select page: 6, address: 01, set data: 81, and press the PAUSE
button of the adjustment remote commander. (to start up
automatic CAP FG offset adjustment.)
4)
Select page: 6, address: 02, and check that the data is “01”.
5)
Check that Duty of CAP FG signal satisfies the specified value.
If not, select page: 6, address: 01, set data: 00, and press the
PAUSE button, and then, repeat steps 1) to 5).
6)
Select page: 6, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
7)
Select page: 0, address: 01, and set data: 00.
2. Switching Position Adjustment (VC-214 board)
If deviated in this case causes switching noise or jitter on the played
back screen.
Mode
Playback
Signal
Alignment tape:
For tracking adjustment
(WR5-1CP)
Measurement Point
CH1: Pin !¡ of CN910 (RF SWP)
CH2: Pin 6 of CN910 (PB RF)
Measuring Instrument
Oscilloscope
Adjustment Page
F
Adjustment Address
3E, 3F
Specified Value
t1 = 0 ± 10 
µ
sec
Adjusting Method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: F, address: 2C, set data: 20, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: F, address: 3E, change the data and minimize “t1”,
and then press the PAUSE button of the adjustment remote
commander. (Coarse adjustment)
4)
Select page: F, address: 3F, change the data and adjust so that
the switching position (t1) becomes the specified value. (Fine
adjustment)
5)
Press the PAUSE button of the adjustment remote commander.
6)
Select page: F, address: 2C, set data: 00, and press the PAUSE
button of the adjustment remote commander.
7)
Select page: 0, address: 01, and set data: 00.
A
B
Duty = A/B 
×
 100 [%] 
Center of movement 
CH1
CH2
Enlargement
t1=0 
±
 10 
µ
sec
CH1
CH2
Fig. 5-3-5.
Fig. 5-3-6.
5-35
3-4. VIDEO SYSTEM ADJUSTMENTS
Video system adjustments must be performed in the following order.
[Adjusting Order]
1.
28MHz origin oscillation adjustment
2.
AFC f
0
 adjustment
3.
Filter f
0
 adjustment
4.
Y OUT level adjustment
5.
C OUT level adjustment
6.
RP filter f
0
 adjustment
7.
REC Y current adjustment
8.
REC L level adjustment
9.
REC C current adjustment
1. 28 MHz Origin Oscillation Adjustment (VC-214 board)
Set the frequency of the clock for synchronization.
If deviated, the synchronization will be disrupted and the color will
become inconsistent.
Mode
VTR stop
Signal
No signal
Measurement Point
Pin #™ of IC301 or pin !™ of IC501
Measuring Instrument
Frequency counter
Adjustment Page
F
Adjustment Address
40
Specified Value
Pin #™ of IC301 :
f=4433594 ± 17Hz
Pin !™ of IC501 :
f=14187500 ± 55Hz
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 2, address: 01, set data: 41, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: 6, address: 61, and set data: 30.
4)
Select page: F, address: 40, change the data and set the clock
frequency (f) to the specified value.
5)
Press the PAUSE button of the adjustment remote commander.
6)
Select page: 6, address: 61, and set data: 10.
7)
Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
8)
Select page: 0, address: 01, and set data: 00.
2. AFC f
0
 Adjustment (VC-214 board)
Adjust the pull-in range of the A/D converted clock generator during
playback.
Mode
VTR stop
Signal
No signal
Measurement Point
Pin 4 of CN910 (AFC f0)
Measuring Instrument
Digital voltmeter
Adjustment Page
F
Adjustment Address
6A
Specified Value
A=2.00 ± 0.05Vdc
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 2, address: 01, set data: 4D, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: F, address: 6A, change the data and  set the DC
voltage (A) to the specified value.
4)
Press the PAUSE button of the adjustment remote commander.
5)
Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
6)
Select page: 0, address: 01, and set data: 00.
IC501
1
12
36
25
24
37
13
48
IC301
1
16
48
33
49
32
64
17
VC-214 BOARD
5-36
3. Filter f
0
 Adjustment (VC-214 board)
Adjust the f
0
 frequency of the IC151 built-in filter.
Mode
VTR stop
Signal
No signal
Measurement Point
Pin 3 of CN910 (IR VIDEO)
Measuring Instrument
Oscilloscope
Adjustment Page
F
Adjustment Address
6D
Specified Value
Minimum residual chroma signal
components (A= Bellow 12mV)
Switch setting:
LASER LINK ........................................ ON (Red LED is lit)
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 2, address: 01, set data: 4F, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: F, address: 6D, change the data and minimize the
residual chroma signal components (A).
4)
Press the PAUSE button of the adjustment remote commander.
5)
Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
6)
Select page: 0, address: 01, and set data: 00.
4. Y OUT Level Adjustment (VC-214 board)
Set the Y signal output level. (Adjust the D/A converter out put
level of IC151.)
Mode
VTR stop
Signal
No signal
Measurement Point
Y signal terminal of S VIDEO
terminal (75
 terminated )
Measuring Instrument
Oscilloscope
Adjustment Page
F
Adjustment Address
69
Specified Value
A=300 ± 5mV
Note :
Insert the plug into the S video terminal.
Adjusting method:
1)
Select page: 0, address: 01, and set data: 01.
2)
Select page: 2, address: 01, set data: 41, and press the PAUSE
button of the adjustment remote commander.
3)
Select page: 6, address: 61, and set data: 30.
4)
Select page: F, address: 69, change the data and set the SYNC
level (A) to the specified value.
5)
Press the PAUSE button of the adjustment remote commander.
6)
Select page: 6, address: 61, and set data: 10.
7)
Select page: 2, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
8)
Select page: 0, address: 01, and set data: 00.
H
A
Fig. 5-3-7.
Fig. 5-3-8.
H
A
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