Sony HCD-HDX275 Service Manual page 25

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
DIGITAL MEDIA PORT TEST
Procedure:
1. Connect the DMPORT CHECK JIG (Part No.: J-2501-309-A)
with the terminal DMPORT.
2. Press the [ / ] button to turn the power on.
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3. Confi rm that both LEDs of the DMPORT confi rmation JIG
lights. (Confi rmation the power supply line.)
4. Set the [FUNCTION] button with "DMPORT" on this model.
5. Press the [ ], [FUNCTION]. buttons and turn the [VOLUME]
s
control in the direction of (+) simultaneously, the DMPORT
test mode is activated.
6. It is confi rmed that "DMPORT OK" is displayed on this set
display. (Confi rmation of communication line)
7. To a pinjack of the DMPORT confi rmation JIG input informa-
tion relevant to audio signal (sine-wave 1.0Vrms) and compos-
ite video signal (white 100% 1.0 Vp-p, color bar, etc.)
8. Confi rm the output of speakers and monitor TV. (Confi rmation
of analog signal)
9. To exit from this mode, press the [
and turn the [VOLUME] control in the direction of (+).
J001
DMPORT
color pattern
check jig
generator
(Part No.:
J-2501-309-A)
AF oscillator
TB100 (HDX275/HDX277WC/
TB101 (HDX279W/HDX576WF)
DVD SECTION
1. DVD SERVICE MODE GENERAL DESCRIPTION
This mode let you make diagnosis and adjustment easily by using
the remote commander and the TV screen. The instructions, diag-
nostic results, etc. are given on the on-screen display.
Be sure to execute the IOP measurement when a base unit is re-
placed.
2. ENTERING DVD SERVICE MODE
Procedure:
1. Press the [ / ] button to turn on the system.
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2. Press the [FUNCTION] button repeatedly to select the
"DVD".
3. While pressing the [ ] and [
s
[VOLUME] dial in the direction of (+) with the DVD player in
power on.
4. The message "SERVICE IN" appears on the fl uorescent in-
dicator tube and top menu of the Remocon Diagnosis Menu
appears on the on-screen display on the TV screen as follows.
The model name, IF-con version and Syscon version are dis-
played at the bottom of the on-screen display.
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information
Model Name :xxxx_xx
IF-con:Ver.xx.xx(xxxx)
Syscon:Ver.x.xxx
], [FUNCTION]. buttons
s
MAIN board IO board
CN204 J402
TV
monitor
set
FL/FR
SPEAKER board
speaker
HDX475/HDX675)
] buttons simultaneously, turn
A
5. To execute each function, press its number by using numeric
button on the remote commander.
6. To release from this mode, press the [
system.
3. EXECUTING IOP MEASUREMENT
In order to execute IOP measurement, the following standard pro-
cedures must be followed.
Procedure:
1. From the top menu of Remocon Diagnosis Menu, select "2
Drive Manual Operation" by pressing the [2] button on the
remote commander. The following screen appears on the on-
screen display
Drive Manual Operation
1. Servo Control
2. Track/Layer Jump
3. Manual Adjustment
4. Mecha test mode
5. MIRR time Adjust
0. Return to Top Menu
2. Select "3. Manual Adjustment" by pressing the [3] button on
the remote commander. The following screen appears on the
on-screen display.
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq boost Adjust:
6. Iop:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
[V][v] Change Value
[RETURN]Return to previous menu
3. Select "6. Iop:" by pressing [6] button on the remote com-
mander.
4. Wait until a hexadecimal number appear in the on-screen dis-
play as below.
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq boost Adjust:
6. Iop: ED:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
[V][v] Change Value
[RETURN]Return to previous menu
5. Convert data from hexadecimal to decimal by using conver-
sion table.
/ ] button to turn off the
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