Read Sony DSC-U20 (serv.man7) Service Manual online
DSC-U20
SERVICE MANUAL
Ver 1.1 2004.08
Auto-ADJ
DSC-U20
SUPPLEMENT-1
File this supplement with the service manual
(PV04-012)
•
Addition of Automatic Adjustment Program
• Use This Service Manual together with the Automatic Adjustment Program (DSC-U20 Auto-Adj Ver_1.
[]
r
[][]
.exe).
Note:
[]
(numeric value) of the file name varies depending on the version of Automatic Adjustment Program.
Sony EMCS Co.
9-876-212-84
2004H0500-1
© 2004. 8
Published by DI Technical Support Section
— 2 —
DSC-U20
TABLE OF CONTENTS
Section
Title
Page
6.
ADJUSTMENTS
Before Starting Adjustment ······················································· 6-1
1-1.
1-1.
Adjusting Items when Replacing
Main Parts and Boards ···················································· 6-2
Main Parts and Boards ···················································· 6-2
6-1.
Camera Section Adjustments ··········································· 6-3
1-1.
Preparations Before Adjustments ···································· 6-3
1-1-1. List of Service Tools ························································ 6-3
1-1-2. Preparations ····································································· 6-4
1-1-3. Precautions ······································································ 6-5
1.
1-1-2. Preparations ····································································· 6-4
1-1-3. Precautions ······································································ 6-5
1.
Setting the Switch ···························································· 6-5
2.
Order of Adjustments ······················································ 6-5
3.
Subjects ··········································································· 6-5
4.
Preparing the Flash Adjustment Box ······························· 6-6
1-2.
Initialization of 2F, 4F, 6F Page Data ······························ 6-7
1-2-1. Initialization of 2F, 4F, 6F Page Data ······························ 6-7
1.
1.
Initializing of 2F, 4F, 6F Page Data ································· 6-7
2.
2F Page Table ·································································· 6-7
3.
4F Page Table ·································································· 6-7
4.
6F Page Table ·································································· 6-8
1-3.
Camera System Adjustments ········································· 6-10
Data Setting During Camera System Adjustments ········ 6-10
Picture Frame setting ····················································· 6-10
Data Setting During Camera System Adjustments ········ 6-10
Picture Frame setting ····················································· 6-10
1.
HALL Adjustment ························································· 6-11
2.
Flange Back Adjustment ··············································· 6-12
2-1.
Flange Back Adjustment ··············································· 6-12
2-2.
Flange Back Check ························································ 6-12
3.
F No. Compensation ······················································ 6-13
4.
Mechanical Shutter Adjustment ···································· 6-13
5.
Light Value Adjustment ················································· 6-14
6.
Mixed Color Cancel Data Input & Check ····················· 6-14
7.
AWB 3200K Standard Data Input ································· 6-15
8.
AWB 3200K Check ······················································· 6-15
9.
AWB 5800K Standard Data Input ································· 6-16
10.
AWB 5800K Check ······················································· 6-17
11.
Color Reproduction Data Input & Check ······················ 6-18
12.
CCD Linearity Check ···················································· 6-19
13.
Strobe Adjustment ························································· 6-21
1-4.
LCD System Adjustments ············································· 6-22
Data Setting During LCD System Adjustments ············ 6-22
Data Setting During LCD System Adjustments ············ 6-22
1.
LCD Initial Data Input (1) ············································· 6-22
2.
LCD Initial Data Input (2) ············································· 6-23
3.
VG Center Adjustment ·················································· 6-24
4.
Bright Adjustment ························································· 6-25
5.
Contrast Adjustment ······················································ 6-26
6.
PSIG Adjustment ··························································· 6-27
7.
V-COM Adjustment ······················································· 6-28
8.
White Balance Adjustment ············································ 6-29
8-1.
White Balance Adjustment (VR) ··································· 6-29
8-2.
White Balance Adjustment (VB) ··································· 6-30
6-2.
Service Mode ································································· 6-31
2-1.
Application for Adjustment (SEUS) ······························ 6-31
2-1-1. Using Method of SEUS ················································· 6-31
1.
1.
Connection ····································································· 6-31
2.
Operation ······································································· 6-31
2-1-2. Precaution on Use of SEUS ··········································· 6-31
2-2.
2-2.
Data Process ·································································· 6-32
2-3.
Service Mode ································································· 6-32
1.
Setting the Test Mode ···················································· 6-32
2.
Bit Value Discrimination ··············································· 6-33
3.
Switch Check (1) ··························································· 6-33
4.
Switch Check (2) ··························································· 6-34
5.
LED Check ···································································· 6-34
6.
Self Diagnosis Code ······················································ 6-34
6-1
DSC-U20
SECTION 6
ADJUSTMENTS
Before starting adjustment
(The same model of the same destination)
(Machine to be repaired)
PC
After the EVR data is saved and downloaded, check the
respective items of the EVR data.
(Refer to page 6-2 for the items to be checked.)
respective items of the EVR data.
(Refer to page 6-2 for the items to be checked.)
EVR Data Re-writing Procedure When Replacing Board
The data that is stored in the repair board, is not necessarily correct.
Perform either procedure 1 or procedure 2 or procedure 3 when replacing board.
Perform either procedure 1 or procedure 2 or procedure 3 when replacing board.
PC
Procedure 3
When the data cannot be saved due to defective EEPROM, or when the EEPROM cannot be removed or in-
stalled, save the data from the same model of the same destination, and download it.
stalled, save the data from the same model of the same destination, and download it.
PC
Save the EVR data
to a personal computer.
to a personal computer.
Download the saved
data to a machine.
data to a machine.
Procedure 1
Save the EVR data of the machine in which a board is going to be replaced. Download the saved data after a
board is replaced.
board is replaced.
(Machine after a board is replaced)
(Machine before starting repair)
(Former board)
(New board)
Procedure 2
Remove the EEPROM from the board of the machine that is going to be repaired. Install the removed EEPROM
to the replaced board.
to the replaced board.
Remove the EEPROM and install it.
Download the data.
Save the data.
(Machine to be repaired)
6-2
DSC-U20
1-1. Adjusting items when replacing main parts and boards
When replacing main parts and boards, adjust the items indicated by z in the following table.
Table 6-1-1
Replaced parts
Block
Mounted parts
Board
replacement
replacement
replacement
Adjusting item
Adjustment
(LCD panel)
(CCD imager)
(Camera DSP)
(LCD drive)
EEPROM
LCD901
IC301
IC602
IC401
(COMPLETE)
(COMPLETE)
(COMPLETE)
(COMPLETE)
IC604
Lens block assy
Flash unit
LCD block
CD-425 board
TY-15 board
PD-174 board
CD-425 board
TY-15 board
SL-59 board
PD-174 board
TY-15 board
Initializing of 2F, 4F, 6F page data
Initializing of 2F, 4F, 6F page data
z
z
HALL adj.
Flange back adj.
Flange back check
F No. compensation
Mechanical shutter adj.
Light Value adj.
Mixed color cancel data input
AWB 3200K data input
AWB 5800K data input
Color reproduction data input
CCD linearity check
CAMERA adjustment 3
Strobe adj.
z
z
z
z
z
z
z
LCD initial data input
VG center adj.
Bright adj.
Contrast adj.
PSIG adj.
V-COM adj.
White Balance adj.
z
z
z
z
LCD adjustment
z
z
z
z
z
z
z
z
z
z
z
z
CAMERA adjustment 1
z
CAMERA adjustment 2
