Sony SDM-S204 Service Manual ▷ View online
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DISASSEMBLY
REAR CABINET REMOVEL.
2) Progress upward and lifts bezel furtively and extracts
latch.
3) Progress continuously and extracts latch of bezel upper
by same method.
4) Progress continuously and extracts latch of bezel left
by same method.
5) Please pull the Rear cabinet both edge outside with
fingertips like picture, then Rear cabinet will be
departed.
departed.
6) If Rear cabinet be departed easily, please pull upside
edge of Rear cabinet outside.
1) Please lift the central inside edge of Front bezel
upward with fingertip like picture then latch will be
departed.
departed.
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gm1601
ADC
Scaling
PLL
OSD
LVDS
Analog I(R/G/B)
D-Sub X2
LIPS
Filter
5V
12
V
-FUJ
I
18V
-LPL
5V
Regulator
Regulator
3.3
V
1.8
V
Vcc
1
2
V
-Fuj
itsu
3.3
V
2.5
V
LVDS
Tx
D
VI Rx
LAMP Conn
ector
In
v
e
rter
Output
(6Lamp)
EEPR
OM*2
(ED
ID)
EEPR
OM
(System)
DVI-D
D
VI(TMDS)
EEPR
O
M
(ED
ID)
KEY
Analog II(R/G/B)
Analog
switch
Analog
1.8
V
RO
M
MICOM
Real
colo
u
r
Regulator
2.5
V
Flash R
O
M
DDR RAM
2.5
V
3.3
V
5.0
V
Panel
BLOCK DIAGRAM
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ADJUSTMENT
1. Procedures of how to go to service mode.
1) Enter the service mode of this unit by turning on the
power while pressing and holding the "
" key and
"
" simultaneously.
2) Press "MENU" key----MAINTAIN.
3) Press "OK" key to enter the service menu.
4) Select the desired function.
5) Press the "MENU" key to exit OSD.
6) Turn off the power and then turn on it again. The
3) Press "OK" key to enter the service menu.
4) Select the desired function.
5) Press the "MENU" key to exit OSD.
6) Turn off the power and then turn on it again. The
monitor then enters the normal mode.
To enter the service again, repeat the procedure
described above.
To enter the service again, repeat the procedure
described above.
Note
W/B readjustment is required after the panel, board
and microcomputer are replaced. However, be sure to
perform aging for more than 30 minutes for RGB reset
before W/B adjustment.
and microcomputer are replaced. However, be sure to
perform aging for more than 30 minutes for RGB reset
before W/B adjustment.
2. Setup
1) Prepare timing and pattern data for a signal
generator according to the Sony timing specifications.
2) Connect a monitor video cable to the signal generator.
3) Put Color Analyzer(ex. CA-110) 50cm away from the
3) Put Color Analyzer(ex. CA-110) 50cm away from the
monitor, specify it vertically in the center of the
display, and adjust the focus to the optimum level
using an eyepiece.
display, and adjust the focus to the optimum level
using an eyepiece.
4) Put the monitor and Color Analyzer(ex. CA-110) in a
light-shielded room.
5) Set up [SERVICE MODE] of the monitor.
3. Operation
Data is manually set to improve the productivity. The
brightness, contrast, and backlight are set to 50, 70
and 100 respectively. After that, the default data of the
color temperature to be adjusted is set.
brightness, contrast, and backlight are set to 50, 70
and 100 respectively. After that, the default data of the
color temperature to be adjusted is set.
4. Warm up time
Warm up for 30 minutes before performing any
adjustment.
adjustment.
5. Adjustment for White Balance
a. Display SMPTE at SXGA/60Hz(Input level 0.73V /INPUT1).
b. Set up [SERVICE MODE].
c. Click "CLEAR EEPROM" and AC Power off.
d. Set up [SERVICE MODE] of the monitor again.
e. Click "WHITE BALANCE" and then select "AUTO".
f. Prepare timing and full black pattern.
g. Click "OFFSET CALIBRATION".
h. After offset calibration is completed prepare full
b. Set up [SERVICE MODE].
c. Click "CLEAR EEPROM" and AC Power off.
d. Set up [SERVICE MODE] of the monitor again.
e. Click "WHITE BALANCE" and then select "AUTO".
f. Prepare timing and full black pattern.
g. Click "OFFSET CALIBRATION".
h. After offset calibration is completed prepare full
white pattern.
i. Click " GAIN CALIBRATION".
6. 9300K color adjustment
a. Select "9300K" in "COLOR TEMP" and enter.
b. Use a 100 IRE ALL white video field in the
b. Use a 100 IRE ALL white video field in the
primary mode.(INPUT level 0.7V)
c. Adjust the color temperature.
( X: 0.283 Y: 0.298 )
d. Press "MENU" key to exit adjust mode.
( X: 0.283 Y: 0.298 )
d. Press "MENU" key to exit adjust mode.
7. 6500K color adjustment
a. Select "6500K" in "COLOR TEMP" and enter.
b. Repeat the adjustment procedure as steps b to d at
b. Repeat the adjustment procedure as steps b to d at
9300K. ( X: 0.313 Y: 0.329 )
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