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Yamaha Ls 9 Service Manual

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    Have a look at the manual Yamaha Ls 9 Service Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 255 Yamaha manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.

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    							71 LS9-16/LS9-32
 CPU Circuit Board
CPU: 2NA-WG82930-2 1 ACIN: 2NA-WG83060-1 4 
Component side
¢
æ
¼£
2 layer
¢ 
Ú£
 ACIN Circuit Board
 to AC IN  to Power Supply Unit-CN1
POWER
Component side
¢
æ
¼£Pattern side
¢Í»”ï£
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    							LS9-16/LS9-32
72
 CPU Circuit Board
CPU: 2NA-WG82930-2 1 
PHN: 2NA-WG83060-1 4 
Component side
¢
æ
¼£
7 layer
¢ 
Ú£
Component side
¢
æ
¼£
 PHN Circuit Board
PHONES
to DCA-CN104 to DSP-CN931(LS9-16),
 DSP32-CN931(LS9-32) PHONES LEVEL
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    							73 LS9-16/LS9-32
Pattern side
¢Í»”ï£
to DSP-CN101(LS9-16),
 DSP32-CN101(LS9-32)
 CPU Circuit Board
CPU: 2NA-WG82930-3  
PHN: 2NA-WG83060-1 4 
Pattern side
¢Í»”ï£
 PHN Circuit Board
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    							LS9-16/LS9-32
74
LS9-16: 8(R)
LS9-32: 8     
16(R)LS9-16: 7(L)
LS9-32: 7    
15(L)6
145
134
123
112
101
9
OMNI OUT +4dBu
+18dB
+24dB
DA(OMNI OUT 1-8): to DSP-CN902(LS9-16),
 DSP32-CN902(LS9-32)
DA
(OMNI OUT 9-16): to DSP32-CN903(LS9-32)DA
(OMNI OUT 1-8): to DSP-CN901(LS9-16),
 DSP32-CN901(LS9-32)
DA
(OMNI OUT 9-16): N.C.(LS9-32)
DA(OMNI OUT 1-8): N.C.
DA(OMNI OUT 9-16): to DCA-CN102(LS9-32)to DCA-CN102(LS9-16),
 DA-CN001(LS9-32)
∗DA(OMNI OUT 1-8)
CN001CN902
DA(OMNI OUT 9-16)
CN001
CN902
14P11 P14P11 P
∗to N.C.(LS9-16),
 DA-CN902(LS9-32)∗
(LS9-32 only)
(LS9-32 only)
 DA Circuit Board
Component side
¢
æ
¼£
2NA-WG82960-1 1
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    							75 LS9-16/LS9-32
Pattern side
¢Í»”ï£
 DA Circuit Board
2NA-WG82960-1 1
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    							LS9-16/LS9-32
76
 DSP Circuit Board (LS9-16)
  DSP32 Circuit Board (LS9-32)
DSP: 2NA-WG82940-1 1 
DSP32: 2NA-WG83150-1 1 
A
A
to DCA-CN103
to DCD-CN506
SLOT2 (LS9-32 only)
to N.C. (LS9-16),
 HAAD2(1) (ch1-8)-CN901(LS9-32)
to N.C. (LS9-16),
 HAAD2(2) 
(ch9-16)-CN901(LS9-32) to HAAD2(1) 
(ch1-8)-CN901(LS9-16),
 HAAD2(3) (ch17-24)-CN901(LS9-32) to HAAD2(2) (ch9-16)-CN901(LS9-16),
 HAAD2(4) (ch25-32)-CN901(LS9-32)
to JK-CN401to JK-CN301
to DA (1) (OMNI OUT 1-8)-CN903to N.C. (LS9-16),
 DA (2) (OMNI OUT 9-16) -CN903 (LS9-32)
to DA (1) (OMNI OUT 1-8)-CN901
SLOT1
not installed
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    							77 LS9-16/LS9-32
A
Ato DCD-CN503to PHN-CN902
to FD-CN302,
 FD2-CN302(LS9-32)
to PNMS-CN501
to INV-CN601
to CPU-CN007
Component side
¢
æ
¼£
DSP: 2NA-WG82940-1 1 
DSP32: 2NA-WG83150-1 1
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    							LS9-16/LS9-32
78
 DSP Circuit Board (LS9-16)
  DSP32 Circuit Board (LS9-32)
DSP: 2NA-WG82940-1 1 
DSP32: 2NA-WG83150-1 1 
B
B
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    							79 LS9-16/LS9-32
Component side
¢
æ
¼£
3 layer
¢ 
Ú£
DSP: 2NA-WG82940-1 1 
DSP32: 2NA-WG83150-1 1 
B
B
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    							LS9-16/LS9-32
80
 DSP Circuit Board (LS9-16)
  DSP32 Circuit Board (LS9-32)
DSP: 2NA-WG82940-1 1 
DSP32: 2NA-WG83150-1 1 
C
C
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