Yamaha Ls 9 Service Manual

121 LS9-16/LS9-32
1) Automatic mode:  When the [START] button at the bottom of the Fig. 2 screen is pressed, selected checking items will be executed 
sequentially from the upper left downward. All judgment columns become blank when checking is started.
    If the [STOP on NG] is selected, checking is stopped temporarily when judgment is NG.
    Checking stops temporarily when the [PAUSE] is pressed and stops when the [STOP] is pressed during the 
temporalstop. Checking is re-started when the [CONTINUE]...

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Itemcheck nameOutline of check itemJudgment
1-15LAMPChecks	only	the	output	voltage	of	the	LAMP.Semi-auto
1-16LCDCheck	LCD	indicationSemi-auto
1-17LED	all	lighting Check	that	all	LEDs	light	up Visual	check	*2
1-18Each	LED	color Checks	the	lighting	of	the	red,	orange,	and	green	LEDs	color	by	color. Visual	check	*2
1-19Switch	input Checks	input	from	switches. Visual	check	*2
1-20Encoder	input Checks	input	from	encoders. Visual	check	*2
1-21Fader	movement	time Checks	movement	of	the	motor...

123
LS9-16/LS9-32

9)	 Dumping	LS9	screen	 1.	Press 	the 	“4”, 	“5”, 	“1”, 	and 	then 	“10” 	of 	the 	channel	
[SEL] 	keys 	one 	at 	a 	time, 	and 	then 	press 	the 	[ENTER]	
key.		
	 	 “MAINTENANCE	 MODE”	will	be	shown	 at	the	 bottom	
of 	the 	display 	indicating 	that 	the 	maintenance 	mode 	is	
selected.
  2.  Insert a USB memory to the USB connector.
  3.  Press the “1” key of the USER DEFINED KEYS.
	 	The current screen data will be saved to the USB memory.
SLOT[1]
[SLOT2]
WORD CLOCK OUT
WORD...

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1-3. BATT test
Contents:	C h e c k s	t h e 	v o l t a g e 	o f 	t h e 	b a c k u p 	b a t t e r y	
automatically	by	measuring	it	in	 A/D.
Example of executing screen
Comments	on	the	results	indication
The	chart	shows	the	example	of	the	battery	in	normal	conditions
	 	
1-4. RTC test
Contents:	Obtains	and	sets	Real	Time	Clock.	
Example of executing screen
1) Dialog box of Set Date Time
VoltageDisplay in the right windowRemarksLess than 0.5[V]NG: BATT NONENo battery set
From 0.5[V] less...

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LS9-16/LS9-32

Press	the	[PC	 Clock	 Set]	button	 and	the	date	 and	time	 set	in	
the	PC	will	be	input	automatically.
(The	date	and	time	settings	of	the	PC	clock	must	be	correct.)
Alternatively,	input	the	date	and	time	manually.
Press 	the 	[Enter] 	button 	and 	the 	date 	and 	time 	will 	be 	set	
for	the	Real	 Time	Clock.
2) Dialog box of Get Date Time
Check	if	the	date	and	time	are	correct	and	press	[OK]	or	[NG].
1-5. PLLP2 test
Contents:	Checks 	the 	condition 	of 	the 	address 	bus 	line 	(A0...

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1-8. SLOT Test
Contents: Checks each interface of the MY SLOT and power supply voltage supplied to the SLOT.
Example of executing screen
1)	 Checking	SLOT 	power	voltage
  Use of the MY SLOT CHECK Ver.2 check jig makes it possible to check the SLOT power voltage automatically.
  For this check, the judgment voltage of the MY SLOT CHECK Ver.2 check jig must be adjusted as specified before the SLOT test.
  It  is  also  possible  to  take  measurement  at  each  voltage  terminal  of...

127
LS9-16/LS9-32

D u r i n g	t h e 	U N L O C K 	c h e c k , 	a 	m e s s a g e 	w i l l 	a p p e a r	
indicating	 to	remove	 the	2TR	 DIGITAL 	cable.	 Remove	 the	
RCA 	cable.
1-11. MIDI test
Contents:	Checks 	if 	the 	data 	output 	to 	the 	MIDI 	terminal 	and	
the	loopback	data	received	are	the	same.
Example of executing screen
1-12. USB STORAGE test
Contents:  Checks  if  a  USB  memory  (USB  storage)  connected 
to the USB port can be recognized.
Example of executing screen
1-9. WORD CLOCK Test...

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1-15. LAMP test
Contents:	Check	visually	if	the	LAMP	light	for	judgment.
	
Example of executing screen
When	this 	dialog 	is 	displayed, 	confirm 	that 	the 	LAMP 	is	
lighted	and	then	select	OK.
When 	this 	dialog 	is 	displayed, 	confirm 	that 	the 	LAMP 	is	
turned	off	and	then	select	OK.
1-16. LCD Test
Contents:	LCD	Display	 Test
	 E i g h t 	p a t t e r n s 	f r o m 	“ 1 . ” 	t o 	“ 8 . ” 	s h o w n 	o n 	t h e	
following	 page	will	be	repeatedly	 shown	on	the	 LCD	
at	5-second...

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4)–8)	Have	the	entire	 screen	 covered	 in	white,	 red,	green,	 blue	
and	black	(the	screen	below	is	the	example	in	green)
	 Check 	that 	there 	is 	no 	dot 	that 	is 	black 	or 	in 	any 	other	
color.
B e fo r e   p ro c e e d i n g   t o   t h e   fo l l ow i n g   ch e ck 
(procedure 1-17 to 1-22), quit the “LS9Test.exe” 
and start the “MIDITerm_LS9.exe.”
This  operation  is  unnecessary  if  the  result  is 
not  confirmed  with  the “MIDITerm_LS9.exe”
application.
1-17. All LEDs...

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The	following	LEDs	are	used	for	the	switches	without	LEDs	beside	them.
When	the 	ENTER 	switch 	is 	pressed 	after 	all 	the 	switch	
operations 	are 	over, 	whether 	or 	not 	the 	tests 	for 	all 	the	
switches are really finished is shown on PC.
·  When the tests of all the switches are finished normally:
	 		 	 	 “[OK]	 SW 	Test”
·	 In	case	some	switches	are	not	tested:	
	 		 	 	 “[NG]	 Key(s)	remain”
1-20. Encoder Input Test
Press 	any 	3 	switches 	simultaneously 	in 	the 	Switch...