Sony DSC-P71 / DSC-P71M (serv.man2) Service Manual ▷ View online
5-4
DSC-P71/P71M
1-1-2.
Preparations
Note 1:
For details of how remove the cabinet and boards, refer
to “2. DISASSEMBLY”.
to “2. DISASSEMBLY”.
Note 2:
When performing only the adjustments, the lens block
and boards need not be disassemble.
and boards need not be disassemble.
1) Connect the equipment for adjustments according to Fig. 5-1-
6.
2) Connect the Adjusting remote commander to PK-064 board
CN903 via CPC-9 jig (J-6082-393-C). (See Fig. 5-1-3)
Note 3:
Setting the “Forced CAMERA mode power ON” Mode
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 21, set data: 04, and press
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 21, set data: 04, and press
the PAUSE button of the adjusting remote com-
mander.
The above procedure will enable the camera power
to be turned on. After completing adjustments, be
sure to exit the “Forced CAMERA mode power ON
Mode”.
mander.
The above procedure will enable the camera power
to be turned on. After completing adjustments, be
sure to exit the “Forced CAMERA mode power ON
Mode”.
Note 4:
Exiting the “Forced CAMERA mode power ON Mode”
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 21, set data: 00, and press
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 21, set data: 00, and press
the PAUSE button of the adjusting remote com-
mander.
mander.
3) Select page: 0, address: 01, and set data: 00.
1-1-3.
Discharging of the Flashlight Power Supply
The capacitor which is used as power supply of flashlight is charged
with 200 V to 300 V voltage. Discharge this voltage before start-
ing adjustments in order to protect service engineers from electric
shock during adjustment.
with 200 V to 300 V voltage. Discharge this voltage before start-
ing adjustments in order to protect service engineers from electric
shock during adjustment.
Discharge procedure
1. Press the FLASH button (PK-064 board S253 (CONTROL
1. Press the FLASH button (PK-064 board S253 (CONTROL
UP)) and set the NO FLASH mode.
2. Fabricate the discharging jig as shown in Fig. 5-1-5 locally by
yourself. Connect the discharging jig to the positive (+) and
negative (–) terminal of the flash voltage charge capacitor. Al-
low ten seconds to discharge the voltage.
negative (–) terminal of the flash voltage charge capacitor. Al-
low ten seconds to discharge the voltage.
Fig. 5-1-5
Fig. 5-1-3
1 k
Ω
/1 W
Wrap insulating tape.
Fig. 5-1-4
Fig. 5-1-2
Front of the lens
L = About 30 cm
Pattern box
L
R:1 k
Ω
/1 W
(Part code:
1-215-869-11)
1-215-869-11)
Capacitor
CPC lid
PK-064 board
CN903
CN903
CPC-9 jig
(J-6082-393-C)
(Note 1, 2)
(J-6082-393-C)
(Note 1, 2)
1
18
Note 1: Don’t use the 12 pin flexible board of CPC-9 jig.
It causes damage to the unit.
Note 2: The old CPC-9 jig (Parts code: J-6082-393-B)
cannot be used, because it cannot operate
the adjusting remote commander.
the adjusting remote commander.
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DSC-P71/P71M
Fig. 5-1-6
LCD PANEL
BACK LIGHT
–
+
Adjusting
remote
commander
1
18
Regulated
power supply
(6.0 to 7.2 Vdc)
MS SOCKET
SY-075
BOARD
PK-064
BOARD
ST-075
BOARD
CONTROL
SWITCH
BLOCK
LENS UNIT
CD-392
BOARD
JK-231
BOARD
CN705
CN703
CN202
CN001
CN708
CN102
CN101
CH-109
BOARD
CN351
CN201
J201
Video
Color
monitor
Vectorscope
Terminated
75
75
Ω
CN707
CN701
CN706
CN901
CN802
CN801
CN903
CN502
CPC-9 jig (Note 1, 2)
(J-6082-393-C)
BUZZER
CN902
AF ILLUMINATION
AC IN
AC power
adaptor
DC IN jack
CN704
Note 1: Don’t use the 12 pin flexible board of CPC-9 jig.
It causes damage to the unit.
Note 2: The old CPC-9 jig (Parts code: J-6082-393-B)
cannot be used, because it cannot operate
the adjusting remote commander.
the adjusting remote commander.
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DSC-P71/P71M
1-1-4.
Precautions
1.
Setting the Switch
Unless otherwise specified, set the switches as follows and per-
form adjustments.
1. Mode Dial .......................................... CAMERA
2. ZOOM switch
form adjustments.
1. Mode Dial .......................................... CAMERA
2. ZOOM switch
(PK-064 board S252, S254) .............. WIDE end
3. EV (Menu display) ............................ 0EV
4. DSIPLAY/LCD ON/OFF button
4. DSIPLAY/LCD ON/OFF button
(PK-064 board S256) ......................... OSD OFF
5. WB (WHITE BALANCE)
(Menu display) ................................... AUTO
6. P.EFFECT (Menu display) ................ OFF
7. VIDEO OUT (SET UP setting) ......... NTSC
7. VIDEO OUT (SET UP setting) ......... NTSC
2.
Order of Adjustments
Basically carry out adjustments in the order given.
3.
Subjects
1) Color bar chart (Standard picture frame).
When performing adjustments using the color bar chart, ad-
just the picture frame as shown in Fig. 5-1-7. (Standard pic-
ture frame)
just the picture frame as shown in Fig. 5-1-7. (Standard pic-
ture frame)
2) Clear chart (Standard picture frame)
Remove the color bar chart from the pattern box and insert a
clear chart in its place. (Do not perform zoom operations dur-
ing this time)
clear chart in its place. (Do not perform zoom operations dur-
ing this time)
3) Chart for flange back adjustment
Join together a piece of white A0 size paper (1189mm
× 841
mm) and a piece of black paper to make the chart shown in
Fig. 5-1-8.
Fig. 5-1-8.
Note:
Use a non-reflecting and non-glazing vellum paper. The
size must be A0 or larger and the joint between the white
and black paper must not have any undulations.
size must be A0 or larger and the joint between the white
and black paper must not have any undulations.
Adjust the camera zoom and direction to
obtain the output waveform shown in Fig a
and the monitor TV display shown in Fig. b.
obtain the output waveform shown in Fig a
and the monitor TV display shown in Fig. b.
Black
White
841 mm
1189 mm
Fig. 5-1-8
Fig. 5-1-7
H
A=B
A B
B A
Enlargement
V
C=D
Electronic beam scanning frame
Fig. b (monitor TV picture)
CRT picture frame
B
A
Difference in level
Y
ellow
Cyan
Green
White
Magenta
Red
Blue
Y
ellow
Cyan
Green
White
Magenta
Red
Blue
D
C
Color bar chart (Color reproduction adjustment frame)
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4.
Preparing the Flash Adjustment Box
A dark room is required to provide an accurate flash adjustment.
If it is not available, prepare the flash adjustment box as given
below;
If it is not available, prepare the flash adjustment box as given
below;
1) Provide woody board A, B and C of 15 mm thickness.
woody board A (2)
530 mm
woody board B (2)
500 mm
woody board C (1)
1000 mm
1026 mm: Depth 1 m
513 mm: Depth 50 cm
1026 mm: Depth 1 m
513 mm: Depth 50 cm
1000 mm
1000 mm
1030 mm
2) Apply black mat paint to one side of woody board A and B.
3) Attach background paper (J-2501-130-A) to woody board C.
4) Assemble so that the black sides and the background paper
3) Attach background paper (J-2501-130-A) to woody board C.
4) Assemble so that the black sides and the background paper
side of woody board A, B and C are internal. (Fig 5-1-10)
Fig. 5-1-9
woody board A
woody board B
woody board B
woody board C
woody board A
Fig. 5-1-10
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