Sony HCD-HDX265 Service Manual page 24

HCD-HDX265/HDX266/HDX267W/HDX465/HDX466/HDX665
Ver. 1.1
5. Confirm that the following are shown on the display panel.
1 The JACK inserted/non-inserted detection display and the
STEREO/MONO detection display.
2 Presence of DIGITAL voice input to the microcomputer.
(OK: input, NG: no input)
3 The value of the MIC input to the microcomputer. (shown
"255h")
* * * * *
1 2
1 "NON": Not detected
"ST" : STEREO
"MIN" : MONO
2 OK : input
NG : no input
3 0-255 (Changes in real time)
DEMO PLAY OUT
It is a mode to release the demonstration reproduct by the dedicated
demonstration disc.
Procedure:
1. During playback the DEMO disc, press the
for five seconds simultaneously.
2. The message "DEMO OFF" is displayed, a mode to reproduct
the demonstration is released.
VOLUME TEST MODE
Procedure:
1. Press the button to turn the power on.
I/1
2. Press three buttons ,
.
3. The message "VOLUME MAX" is displayed, when the
[VOLUME] dial is turned in the dirction of (+). The message
"VOLUME MIN" is displayed, when the [VOLUME] dial is
turned in the dirction of ( ).
4. To exit from this mode, press the
off.
DVD COLOR SYSTEM SWITCHING (HDX265: E,
Australian models only)
This mode let you change the color system of the video output from
PAL to NTSC or vice-versa.
Procedure:
1. Press the button to turn the power on.
I/1
2. Press the [FUNCTION] button to select the "DVD".
3. Press the button to turn the power off.
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4. Press two buttons of and
X
will power on automatically.
5. DVD color system is switched.
PROTECTION FACTOR (SD DETECTION/DC DE-
TECTION) IDENTIFICATION TEST MODE
When an error is detected, the florescent indicator tube alternately
displays "PROTECTOR"
h
Press the button.
I/1
r
* Buttons other than the
"STANDBY" blinks three times on the florescent indicator tube.
r
The protection release state (POWER OFF) is established.
(No florescent indicator tube display)
Press the button.
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r
The power to the system turns on, and the normal operation is
established. (Restore)
24
* * *
3
and buttons
x H
and simultaneously.
H >
button to turn the set
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simultaneously, and the set
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"PUSH POWER".
button are invalid.
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During the protection state:
1. If the AC plug is connected or disconnected during the
protection state, the protection state is released, and the normal
operation is established. (The protection state is not
maintained.)
2. The protection factor is displayed by pressing the [FUNCTION] ,
and buttons at the same time during the protection state.
A >
(during the "PROTECTOR"
When SD is detected: Repeats
"SD DETECT" "PUSH POWER".
h
When DC is detected: Repeats
"DC DETECT" "PUSH POWER".
h
SD detection:
When the "L" output from the SD (shutdown) port on the S-
MASTER POWER Driver is detected, the power system other
than that of the florescent indicator tube is turned off, and the
protection state is established.
DC detection:
When the "L" output from the power/speaker error detection circuit
(DC detection port) is detected for two seconds continually, the
power system other than that of the florescent indicator tube is
turned off, and the protection state is established.
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. Confirm that both LEDs of the DMPORT confirmation JIG
lights. (Confirmation the power supply line.)
4. Set the [FUNCTION] button with "DMPORT" on this model.
buttons and turn the [VOLUME] dial in the
5. Press the ,
X .
direction of (+) simultaneously, the DMPORT test mode is
activated.
6. It is confirmed that "DMPORT OK" is displayed on this set
display. (Confirmation of communication line)
7. To a pinjack of the DMPORT confirmation JIG input
information relevant to audio signal (sine-wave 1.0Vrms) and
composite video signal (white 100% 1.0Vp-p, color bar, etc.)
8. Confirm the output of speakers and monitor TV. (Confirmation
of analog signal)
9. To exit from this mode, press the
[VOLUME] dial in the direction of (+).
J001
color pattern DMPORT
generator
check jig
(Part No.:
J-2501-309-A)
AF oscillator
"PUSH POWER" display)
h
, buttons and turn the
X .
DMPORT board IO board
CN204 J301
TV
monitor
set
FL/FR
SPEAKER board
speaker
TB780