Sony HCD-HDX285 Service Manual page 25

HCD-HDX285/HDX287WC/HDX585/HDX587WC/HDX589W/HDX685/HDX686W
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 three buttons [ ], [
x
ously, 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 three buttons [
[FUNCTION] simultaneously.
J001
DMPORT
color pattern
check jig
generator
(Part No.:
J-2501-309-A)
SPEAKER board
AF oscillator
TB5300 (HDX589W/HDX686W)
TB5301 (HDX285/HDX287WC/
HDX585/HDX587WC/HDX685)
] and [FUNCTION] simultane-
N
], [ ] and
x N
I/O board
MAIN board
J4001
CN451
monitor
set
FL/FR
speaker
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.
Note: In this mode, disregard it because it doesn't use them in the servic-
ing though the message such as "2A0" might be displayed on the
fl uorescent indicator tube.
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 [
[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.
TV
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
IF-con:Ver.xx.xx(xxxx)
Syscon:Ver.x.xxx
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
] and [ ] buttons simultaneously, turn
x Z
:xxxx_xx
/ ] button to turn off the
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