Test Mode - Sony ST-SV7 Service Manual

Fm stereo, fm/am superheterodyne tuner
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Note: Use following buttons in the test mode.
no mark : Button of tuner unit (ST-SV7)
*
1
: Button of amplifier unit (TA-SV7AV)
*
2
: Button of CD unit (MCE-SV7)
[MC 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 customer.
Procedure 1:
1. Press the
*
1
button to turn the power ON.
?/1
[DIGITAL]
2. While pressing the
[DISPLAY]
button.
3. The set is reset, and becomes standby state.
Procedure 2:
1
1. Press the
*
button to turn the power ON.
?/1
[PLAY MODE]
2. While pressing the both
2
press the
M
*
button.
3. The set is reset, and becomes standby state.
[MC Hot Reset]
• This mode resets the set with the preset data kept stored in the
memory. The hot reset mode functions same as if the power
cord is plugged in and out.
Procedure 1:
1
1. Press the
?/1
*
button to turn the power ON.
2. While pressing the both
STUDIO C]
1
*
buttons, press the
3. The set is reset, and becomes standby state.
Procedure 2:
1. Press the
*
1
button to turn the power ON.
?/1
[PLAY MODE]
2. While pressing the both
press the
*
2
button.
m
3. The set is reset, and becomes standby state.
[Change-over the AM Tuning Interval]
(EXCEPT Sauidi Arabia model)
• The AM tuning interval can be changed over 9 kHz or 10 kHz.
Procedure:
1
1. Press the
*
button to turn the power ON.
?/1
[FUNCTION]
1
knob to select
2. Turn the
*
[TUNER/BAND]
the
button to select the BAND "AM".
1
3. Press the
?/1
*
button to turn the power OFF.
[ENTER]
4. While pressing the
and the display on the fluorescent indicator tube changes to
"AM 9 K STEP" or "AM 10 K STEP", and thus the tuning
interval is changed over.
[Change-over of VACS ON/OFF]
1
1. Press the
?/1
*
button to turn the power ON.
2. While pressing the both
STUDIO C]
1
*
buttons, press the
and VACS ON/OFF is change over.
SECTION 4

TEST MODE

1
*
button, press the
2
2
*
and
x
*
buttons,
[STEREO/MONO]
[CINEMA
and
[TIMER SELECT]
button.
*
2
and
*
2
buttons,
x
"TUNER", and press
1
button, press the
?/1
*
button,
[STEREO/MONO]
[CINEMA
and
[CINEMA STUDIO B]
button,
[GC Test Mode]
Enter the GC Test Mode mode
Procedure 1:
1. Press the
*
1
button to turn the power ON.
?/1
2. While pressing the both
STUDIO C]
1
*
buttons, press the
3. LEDs and fluorescent indicator tube are all turned on of all
units.
Procedure 2:
1
1. Press the
*
button to turn the power ON.
?/1
[PLAY MODE]
2. While pressing the both
2
press the
Z
(DISC 1)*
button.
3. LEDs and fluorescent indicator tube are all turned on of all
units.
Version Display Mode
Procedure:
1. Enter the GC test mode.
[TUNER MEMORY]
2. Each time the
pressed, microcomputer or mechanism deck version is
displayed of each unit.
[TUNING +]
[DISC 3]
3. Press the
or
the version.
Key Check Mode
Procedure:
1. Enter the GC test mode.
[TUNING -- ]
[DISC 2]
2. Press the
or
mode.
3. In the key check the mode, the fluorescent indicator tube
displays "K 0 J 0 V 0" . Each time a button is pressed, "K"
value increases. However, once a button is pressed, it is no
longer taken into account.
VACS Level Display Mode
Procedure:
1. Enter the GC test mode.
[TUNING +]
2. Press the
or
level on the fluorescent indicator tube.
Segment Check Mode
Procedure:
1. Enter the GC test mode.
[ENTER]
2. Press the
or
x
mode.
3. In the segment check the mode.
button is pressed, the fluorescent indicator tube displays is
switching variously.
Releasing the GC Test Mode
• To release from this mode, press three buttons in the same manner
as entering this mode or disconnect the power cord.
ST-SV7
[STEREO/MONO]
[CINEMA
and
[CLOCK/TIMER]
button.
2
2
*
and
*
buttons,
x
[DISC 1]
2
or
*
button is
2
*
button to detail is displayed
*
2
button to set the key check
[DISC 3]
2
*
button to display VACS
*
2
button to set the segment check
Each [ENTER]
or
*
2
x
9

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