Test Mode - Sony HCD-DH7BT - Dvd Receiver For Cmtdh7bt Micro System Service Manual

Service manual
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HCD-DH3/DH5BT/DH7BT
Ver. 1.1
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3 7 63 5 5
COLD RESET
The cold reset clears all data including preset data stored in the
RAM to initial conditions.
Procedure:
1. Press the
button to turn on the system.
I/1
, [DISPLAY] and
2. Press three buttons of
x
3. The message "RESET" appears on the fluorescent indicator
tube, and the system is reset.
PANEL TEST MODE
This mode is used to check the fluorescent indicator tube, LEDs,
keys, model, destination and software version.
Procedure:
1. Press three buttons of
simultaneously.
2. All LEDs and segments in fluorescent indicator tube are lighted
up.
3. Press the [DISPLAY] button, the software version display mode
is activated, and model and destination information appears
on the fluorescent indicator tube.
4. In the software version display mode, each time the [DISPLAY]
button is pressed, the display changes from MC version,
MMLib version, Bolero version in this order, and returns to
the model and destination information (DH3/DH5BT).
In the software version display mode, press the [DISPLAY]
button, MC version appears on the fluorescent indicator tube.
Also, press the [DISPLAY] button again, the display returns to
the model and destination information (DH7BT).
5. Press the [DSGX] button, the key check mode is activated,
"KEY 0 0 0" appears on the fluorescent indicator tube.
6. In the key check mode, each time a button is pressed, the
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numerical value corresponding to each button is displayed on
the fluorescent indicator tube.
7. To release from this mode, press three buttons in the same
manner as step 1 or disconnect the power cord.
TUNER STEP CHANGE
The step interval of AM channels can be toggled between 9 kHz
and 10 kHz. This mode is not available for AEP and Russian models.
Procedure:
1. Press the
button to turn on the system.
I/1
2. Press the [TUNER/BAND] button to select the "AM".
3. Press the
button to turn off the system.
I/1
4. Press two buttons of [TUNER/BAND] and
The system will turn on automatically. The message "AM 9k
Step" or "AM 10k Step" appears on the fluorescent indicator
tube and thus the channel step is changed.
DISC ANTITHEFT
This mode is used to lock the disc slot. When this mode is activated,
the disc will not slot out when
"LOCKED" appears on the fluorescent indicator tube.
Procedure:
1. Press the
button to turn on the system.
I/1
2. Press the
button to select the "DVD".
DVD N
3. Press two buttons of
and
x
until "LOCKED" or "UNLOCKED" appears on the
fluorescent indicator tube (around 5 seconds).
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SECTION 4

TEST MODE

simultaneously.
I/1
, [VOLUME --] and [DISPLAY]
x
simultaneously.
I/1
button is pressed. The message
Z
simultaneously and hold down
Z
x
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DVD COLOR SYSTEM
This mode let you change the color system of the video output from
PAL to NTSC or vice-versa. This mode is not available for US,
Canadian, AEP and Russian models.
Procedure:
1. Press the
button to turn on the system.
I/1
2. Press the
DVD N
3. Press the
button to turn off the system.
I/1
4. Press two buttons of
will turn on automatically. The message "COLOR PAL" or
"COLOR NTSC" appears on the fluorescent indicator tube.
BT TEST MODE
This mode is used to check the firmware version and address of
bluetooth module. This mode is not available for HCD-DH3.
Procedure:
1. Press the
button to turn on the system.
I/1
2. Press the
BLUETOOTH N
"BLUETOOTH".
3. Press three buttons of
simultaneously, the message "BT Test In" is displayed on the
fluorescent indicator tube. Then, the display is automatically
changed to the firmware version of bluetooth.
4. Press the [DISPLAY] button, address of bluetooth device is
displayed on the fluorescent indicator tube.
5. To release this mode, press the
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button to select the "DVD".
and
simultaneously. The system
X
I/1
or [BLUETOOTH] button to select
, [DSGX] and [BLUTOOTH OPR]
x
button.
I/1
5
5
8
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