Test Mode - Sony RHT-G2000 Service Manual

1. Starting Test Mode
• Please start the test mode by the following procedure when
you execute "Volume Test'' or "Panel Test''.
Procedure:
1. Press the `/1 button to turn the power on.
2. Press two buttons of INPUT SELECTOR and VOLUME +
at the same time for five seconds.
3. After "TEST MENU" displays it, "COMMON" is blinking.
2. Cold Reset
• The cold reset clears all data including preset data stored in
the RAM to initial conditions. Execute this mode when
returning the set to the customers.
Procedure:
1. Press the `/1 button to turn the power on.
2. Press three buttons of `/1 , INPUT SELECTOR and
VOLUME – simultaneously.
3. When this button is operated, display as "COLD RESET" for
a while and all of the settings are reset.
3. AM Step Change
• A step of AM channels can be changed over between 9 kHz
and 10 kHz.
Procedure:
1. Press `/1 button to turn the power on.
2. Press the FUNCTION button to select "AM".
3. Press `/1 button to turn the power off.
4. Press two buttons `/1 and INPUT SELECTOR at the same
time, and the display changes to "AM 9k Step" or "AM 10k
Step", and thus the channel step is changed over.
4. Volume Test
Procedure:
1. Enter the test mode.
2. Press the INPUT SELECTOR button, and "DVD" is
displayed.
3. Press the VOLUME – button, and "VOLUME MIN" is
displayed for second times.
4. Press the VOLUME + button, and "VOLUME MAX" is
displayed for second times.
5. When the `/1 button is pressed twice, the test mode is
released. At that time, cold reset is done as for the set.
5. Panel Test
• This mode is used to check the display, key and software
version.
5-1. Display Check
Procedure:
1. Enter the test mode.
2. Press the VOLUME + button, and "PANEL" is blinking.
3. Press the INPUT SELECTOR button, and all segments turn
on.
5-2. Key Test
Procedure:
1. Press the VOLUME – button with all segment lit, and "K0"
is displayed.
2. It is displayed every time one of four kinds of buttons ( `/1 ,
INPUT SELECTOR , VOLUME – and VOLUME + ) is
pressed as "K1", "K2", "K3", and "K4".
3. To exit this mode, press the `/1 button.
SECTION 3

TEST MODE

5-3. Version Check
Procedure:
1. Press the VOLUME + button with all segment lit, and
"RACK" is displayed.
2. Whenever VOLUME + button is pressed, the category is
displayed in the way below.
t RACK t NA t MC t SYS t UI t ST t TA t TM
3. When the INPUT SELECTOR button is pressed when each
category is displayed, the version of the category is displayed.
4. To exit this mode, press the `/1 button.
RHT-G2000
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