Yamaha Ysp1 Service Manual

YSP-1
21
YSP-1
• Starting DIAG
To activate the DIAG function, press the “STANDBY/ON”
key of the remote controller while pressing the keys of the
main unit as shown below at the same time.
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YSP-1
22
YSP-1
Cause: The voltage in the power supply section is
abnormal.
Supplementary information: The abnormal voltage is
displayed in % based on 3.3V as 100%.
Turning on the power without correcting the abnormality
will cause the protection function to work 1 second later
and the power supply will be shut off.
When there is a history of protection 
function due to abnormal voltage in 
the power supply section
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YSP-1
23
YSP-1
• Display during menu operation
During the DIAG operation, the menu list described in the
section of the startup screen appears on the
superimposed screen and the function at work is indicated
on the FL indicator. The contents displayed during the
function operation are described in the later section on
details of functions.
•Operation procedure of DIAG menu and
SUB-MENU
There are 14 MENU items, each of which has some SUB-
MENU items.
DIAG menu selection
Select the DIAG menu by using the...

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YSP-1
• Functions in DIAG mode
In addition to the DIAG menu items, functions as listed
below are available.
•Input selection
•Muting
•Night
•Power on/off
•Master volume
* Functions related to the set menu are not available.
• Initial settings used to start DIAG
The following initial settings are used when starting DIAG.
When DIAG is canceled, these settings are restored to
those before starting DIAG.
• Master volume: -40dB
• Input: TV
• Effect level: 0dB
• Audio mute: OFF
• DIAG menu: DSP THR...

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YSP-1
DSP THR FRONT L
•FRONT L output without the head margin is provided in
digital full bit.
•The SWFR signal is output but not in digital full bit.%41
5)3
30/5
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YSP-1
DSP THR SURROUND R
•SURROUND R output without the head margin is
provided in digital full bit.
•The SWFR signal is output but not in digital full bit.%41
5)3
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3
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YSP-1
27
YSP-1
2. PRO LOGIC / NEO6
PRO LOGIC I, II, Neo:6 can be selected from the SUB
menu items.
PRO LOGIC II
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YSP-1
28
YSP-1
Initial display
	s8
¯ÔAll segments OFF

¶·¬ÝïÄ	«nAll segments ON (dimmer 100%)

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All segments ON (dimmer 50%)

¶·¬ÝïÄ:n¢ÃŸÚ”£ Lighting of segments 
in lattice
·¬ÝïĨ 	Ý:n Lighting in lattice
¨ 	Ý:n
Normal

Y	× Short
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Segment conditions of the FL driver and the FL tube are
checked by turning ON and OFF all segments. Next,
the operation of the FL driver is checked by using the
dimmer control. Then a short between...

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29
YSP-1
HARD FLOW
This sub-menu is used to check operation of the flow port
of the hardware. “OK” appears when the check result is
satisfactory and “NG” when it is not.)BSE
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YSP-1
30
YSP-16. FACTORY PRESET
This menu is used to reserve and inhibit initialization of
the back-up RAM. The signals are processed using
EFFECT OFF. (The L/R signal is output using ANALOG
MAIN BYPASS.)
PRESET INHIBIT (Initialization inhibited) / 13&4&5
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RAM initialization is not executed. Select this sub-menu to protect the values set by the
user.
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