Sony DSC-P71 / DSC-P71M (serv.man2) Service Manual ▷ View online
5-12
DSC-P71/P71M
1-3.
VIDEO SYSTEM ADJUSTMENT
1.
Composite Video Level Adjustment
Adjust the sync level of the composite video signal output and
check the burst level of the composite video signal output.
check the burst level of the composite video signal output.
Mode
PLAY
Signal
Arbitrary
Measurement Point
Video terminal of VIDEO OUT
jack (75
jack (75
Ω terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
A
Adjustment Address
A0
Specified Value
Sync level:
A = 286
A = 286
± 5 mV (NTSC)
A = 300
± 5 mV (PAL)
Burst level:
B = 286
B = 286
± 10 mV (NTSC)
B = 300
± 30 mV (PAL)
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
A
02
03
3
4
F1
04
4
A
A0
Change the data and set the
sync level (A) to the specified
value.
sync level (A) to the specified
value.
5
A
A0
Press PAUSE button.
6
Check the burst level (B) to the
specified value.
specified value.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
4
F1
00
2
0
01
00
Fig. 5-1-11
A
B
H
5-13
DSC-P71/P71M
1-4.
CAMERA SYSTEM ADJUSTMENTS
Before perform the camera system adjustments, check that the
specified values of “VIDEO SYSTEM ADJUSTMENTS” are sat-
isfied.
specified values of “VIDEO SYSTEM ADJUSTMENTS” are sat-
isfied.
Note:
For “CAMERA SYSTEM ADJUSTMENTS”, perform in
order of item numbers.
order of item numbers.
Data setting during camera system adjustments
Perform the following data setting before the camera system ad-
justments.
It is not necessary to perform the following data setting everytime
when you perform some items of camera system adjustments con-
tinuously unless the power is turned off. Only when the power is
turned off during this adjustments, perform the data setting again,
then continue the adjustments.
justments.
It is not necessary to perform the following data setting everytime
when you perform some items of camera system adjustments con-
tinuously unless the power is turned off. Only when the power is
turned off during this adjustments, perform the data setting again,
then continue the adjustments.
Set up setting:
1) VIDEO OUT of SET UP setting............... NTSC (NTSC mode)
1) VIDEO OUT of SET UP setting............... NTSC (NTSC mode)
(This adjustment must be performed in NTSC mode, so don't
set the SET UP setting to “PAL”)
set the SET UP setting to “PAL”)
Data setting method:
Order Page Address Data
Procedure
1
0
01
01
2
A
01
Set the bit value of bit 5 is
“1”, and press PAUSE
button. (Note 1)
“1”, and press PAUSE
button. (Note 1)
3
2
10
Check the bit values of bit3,
bit4 and bit5 are “1”.
(Note 1, 2)
bit4 and bit5 are “1”.
(Note 1, 2)
4
A
00
Set the bit value of bit 1 is
“1”, and press PAUSE
button. (Note 1)
“1”, and press PAUSE
button. (Note 1)
5
A
02
Set the bit value of bit 1 is
“1”, and press PAUSE
button. (Note 1)
“1”, and press PAUSE
button. (Note 1)
6
D
21
04
Press PAUSE button.
7
6
C1
Check the data changes to
“02”.
“02”.
8
6
6C
01
9
Wait for 1 second.
10
E
96
00
Press PAUSE button.
Note 1
: For the bit values, refer to “5-2. SERVICE MODE”,
“2-3. 2. Bit value discrimination”.
Note 2:
In case of wrong data.
• Select page: 2, address: 00 and set data: 29.
• Select page: 2, address: 01 and set data: 29.
• Select page: 2, address: 0C, set the bit value of bit 1 is
• Select page: 2, address: 00 and set data: 29.
• Select page: 2, address: 01 and set data: 29.
• Select page: 2, address: 0C, set the bit value of bit 1 is
1.
• Select page: 2, address: 04 and set data: 04.
Set the adjusting remote commander to normal LANC,
and the power will be turned, off and on automatically.
and the power will be turned, off and on automatically.
Note 3:
Repeat the “Data setting method”, if the power was turned
off and on during the “CAMERA SYSTEM ADJUST-
MENTS”.
off and on during the “CAMERA SYSTEM ADJUST-
MENTS”.
After completing the camera system adjustments,
release the data setting:
release the data setting:
Order Page Address Data
Procedure
1
E
96
40
2
6
6C
00
3
D
21
00
Press PAUSE button.
4
A
02
Set the bit value of bit 1 is
“0”, and press PAUSE
button. (Note 1)
“0”, and press PAUSE
button. (Note 1)
5
A
00
Set the bit value of bit 1 is
“0”, and press PAUSE
button. (Note 1)
“0”, and press PAUSE
button. (Note 1)
6
A
01
Set the bit value of bit 5 is
“0”, and press PAUSE
button. (Note 1)
“0”, and press PAUSE
button. (Note 1)
7
0
01
00
5-14
DSC-P71/P71M
Picture Frame Setting
Mode
CAMERA
Subject
Color bar chart
(Standard picture frame with the
zoom lens at WIDE end)
(Standard picture frame with the
zoom lens at WIDE end)
Measurement Point
Video terminal of VIDEO OUT
jack (75
jack (75
Ω terminated)
Measuring Instrument
Oscilloscope and monitor TV
Specified Value
A=B, C=D, E=F
Note 1:
Displayed data of the page 1 of adjusting remote com-
mander.
mander.
1:XX:XX
YL data
YH data
YH data
Switch setting
1) FOCUS (Menu setting) .............................. MULTI AF
2) MACRO (Control button) .......................... ON
1) FOCUS (Menu setting) .............................. MULTI AF
2) MACRO (Control button) .......................... ON
Setting method:
Order Page Address Data
Procedure
1
Shoot the color bar chart
with the zoom WIDE end.
with the zoom WIDE end.
2
Enter the output of VIDEO
OUT to the monitor TV, and
move the position as shown
in Fig. 5-1-14.
OUT to the monitor TV, and
move the position as shown
in Fig. 5-1-14.
3
Horizontal width of one color
(B, C) and that of black (A,
D) on the color bar chart
should be same. (See Fig. 5-
1-12)
(B, C) and that of black (A,
D) on the color bar chart
should be same. (See Fig. 5-
1-12)
4
With vertical width of black
(E, F) set in same, the color
bar chart should come to the
center of monitor TV. (See
Fig. 5-1-13)
(E, F) set in same, the color
bar chart should come to the
center of monitor TV. (See
Fig. 5-1-13)
5
Check that the color bar on
the monitor TV is focused.
the monitor TV is focused.
6
0
03
22
7
1
Note down the YH and YL
data. (Note 1)
data. (Note 1)
Processing after Completing Adjustment:
Order Page Address Data
Procedure
1
0
03
00
How to reset the zoom and focus when they deviated:
Order Page Address Data
Procedure
1
6
2C
01
2
6
90
00
3
6
91
00
4
6
92
YL
(Note 2)
5
6
93
YH
(Note 2)
6
6
01
79
Press PAUSE button.
7
6
07
Check the data changes to
“01”.
“01”.
8
6
01
00
Press PAUSE button.
Note 2:
The data noted down at step 7 of “Setting method”.
Check on the oscilloscope
1. Horizontal period
Fig. 5-1-12
2. Vertical period
Fig. 5-1-13
Check on the monitor TV
Fig. 5-1-14
A=B
C=D
A
B
C
D
Color bar chart picture frame
Monitor TV picture frame
E=F
V
E
F
5-15
DSC-P71/P71M
1.
Flange Back Adjustment
(Using the minipattern box)
(Using the minipattern box)
The inner focus lens flange back adjustment is carried out auto-
matically. In whichever case, the focus will be deviated during
auto focusing/manual focusing.
matically. In whichever case, the focus will be deviated during
auto focusing/manual focusing.
Mode
CAMERA
Subject
Siemens star chart with ND filter
for minipattern box (Note 1)
for minipattern box (Note 1)
Measurement Point
Check operation on monitor TV
Measuring Instrument
Adjustment Page
F
Adjustment Address
18 to 3E, 52, 53
Note 1:
Dark Siemens star chart.
Note 2:
Check that the data of page: 6, address: 02 is “00”.
If not, turn the power of unit OFF/ON.
If not, turn the power of unit OFF/ON.
Preparations before adjustments:
1) The minipattern box is installed as shown in the following fig-
1) The minipattern box is installed as shown in the following fig-
ure.
Note 3:
The attachment lenses are not used.
2) Install the minipattern box so that the distance between it and
the front of lens of camera is less than 3 cm.
3) Make the height of minipattern box and the camera equal.
4) Check the output voltage of the regulated power supply is the
4) Check the output voltage of the regulated power supply is the
specified voltage
± 0.01 Vdc.
5) Check that the center of Siemens star chart meets the center of
shot image screen with the zoom lens at TELE end and WIDE
end respectively.
end respectively.
Specified voltage: The specified voltage varies according to the
minipattern box, so adjustment the power sup-
ply output voltage to the specified voltage writ-
ten on the sheet which is supplied with the mini-
pattern box.
ply output voltage to the specified voltage writ-
ten on the sheet which is supplied with the mini-
pattern box.
Minipattern box
Below 3 cm
Camera
Camera
table
Red (+)
Black (–)
Yellow (SENS +)
White (SENS –)
Black (GND)
Need not connected
Regulated power supply
Output voltage : Specified voltage
±
0.01 Vdc
Output current : more than 3.5 A
Fig. 5-1-15
Adjusting method:
Order Page Address Data
Procedure
1
Perform “Data setting during
camera system adjustment”.
(Refer to page 5-13)
camera system adjustment”.
(Refer to page 5-13)
2
6
01
13
Press PAUSE button.
3
6
01
27
Press PAUSE button.
(Note 4)
(Note 4)
4
6
02
Check the data changes to
“01”.
“01”.
5
F
3E
Check the data.
00: Normal
01 to FF: Defective
00: Normal
01 to FF: Defective
6
F
24
Check the data.
0A to 7F: Normal
00 to 09,
80 to FF: Defective
0A to 7F: Normal
00 to 09,
80 to FF: Defective
Note 4:
The adjustment data will be automatically input to page:
F, address: 18 to 3E, 52 and 53.
F, address: 18 to 3E, 52 and 53.
Processing after Completing Adjustment:
Order Page Address Data
Procedure
1
6
01
00
Press PAUSE button.
2
Release the data setting
performed at step 1.
(Refer to page 5-13)
performed at step 1.
(Refer to page 5-13)
3
Perform “Flange Back
Check”.
Check”.
RadarW
RadarW
RadarW
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