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Yamaha RX-V990 Service Manual page 6

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RX-V990
CONTENTS OF DIAG. OPERATIONS
• DIAG. MENU can be selected by pressing the PRESET
STATIONS
key of the front panel or PROGRAM key of
the remote control transmitter.
• Each DIAG. MENU has a SUB-MENU.
same key, PRESET STATIONS key of the front panel or
PROGRAM
key of the remote
pressed,
another SUB-MENU
• While the diagnostic mode is set, function of power on/
off, selecting an input source, adjusting master volume
and effect level are available.
• The contents of each DIAG. MENU are as follows.
No.
DIAG. Menu
MAIN BYPASS
EFFECT LEVEL 60 (-10dS)/80 (OdS)
1
2
FRONT RAM THR
EFFECT LEVEL 60 (-10dS)/80 (OdS)
3
MAIN DSP THR
EFFECT LEVEL
EFFECT OFF/DISP
EFFECT OFF/DISPLAY CHECK
4
5
MANUAL TEST
TEST: LEFT/CENTER/RIGHT/SUR
6
PRO LOGIC
CENTER NORMAUCENTER W IDE/CENTER
PHANTOM/BYPASS/CINE
FACTORY PRESET KEEP DATNFACTORY
7
8
AD CHECK MODE
KEY AD
EXIT (Note 2)
9
Note 1: CI N E EO ON appears
provided.
Note 2: No.9
menu item is available
remote control.
5
Every time the
control
transmitter
is selected.
Sub Menu
100 (+10dS)/60 (-10dS)/80 (OdS)
EO.ON (Note1)
PRESET
OTHER AD CHECK
&
-
but such function
is not
only through the
When the DIAGNOSTIC
appears on the FL display followed by the DIAGNOSTIC
display (No.1).
The initial display can be redisplayed by pressing the AlB/
C/D/E key (but not when performing
is
DIAG. No.8).
• Components
of initial display
[3= ~CJ
t
Protection
Message
[Protection
message]
When the protection function activated, the protection mes-
sage is displayed and the power is turned off.
Instantly ~ "1 I"
After about 0.5 seconds ~ "2 PS"
After about 2 seconds -
Correct the faulty part according to the protection message.
Protectionmessage
1 I
An abnormal c urrentflowedto the poweramplifier.
2 PS
Abnormal c onditionoccurredin the powersection.
3 DC
DCis detectedin the outputof the poweramplifier.
[AD value to Model
&
AD value (+3) Model& Market
10
RXV990 R
40
RXV990 U"
40
RXV990 A
70
RXV990 L"
• Components
of DIAGNOSTIC
1
DIAG.tmenu
No.
*Supplement
When in the DIAG. mode, lighting of all segments
the tuning meter for catalogue photographing
reserved by using the EFFECT key. (Do not use this
function as it is not intended for servicing.)
With such reservation made, all segments of the tun-
ing meter light when the tuner function is selected in
the normal mode. (This reservation
only at the next POWER ON. After that, normal meter
operation is provided.)
Content
Reservation of full scale
Reservation of normal
FL DISPLAY
mode is set, the initial display
AD check by using
(Example)
**
40
RXV990U
t
t
t
AD
Model
ROM
&
value
Market
version
"3 DC"
Cause
Market relation]
Remarks
R : General model
**
UC : USA
Canadian models
&
**
A : Australian model
G : European model
display
CD
MAIN BYP 60
+
operat{on display
Input source
is effective once
FL display
T-METER ON
T-METER OFF
of
can be

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