Yamaha Ls 9 Service Manual

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Head Amp and AD Converter
LS9-16/LS9-32HAAD2 002 CIRCUIT DIAGRAM (LS9-16/LS9-32)
HAAD2 002 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008798-248

OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
ADC
ADC
MULTIPLEXER
MULTIPLEXER
MULTIPLEXER
MULTIPLEXER
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
OP AMP
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:Metal Film Resistor (chip)¢½¿ÓÚ
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:  Not...

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HA Control
LS9-16/LS9-32HAAD2 003 CIRCUIT DIAGRAM (LS9-16/LS9-32)
HAAD2 003 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008798-349

HAAD2(ch 1-8):  to DCA-CN107 (LS9-16)to DCA-CN108 (LS9-32)HAAD2(ch 9-16):  to DCA-CN108 (LS9-16)to DCA-CN107 (LS9-32)HAAD2(ch 17-24) (LS9-32 only):to DCA-CN106HAAD2(ch 25-32) (LS9-32 only):to DCA-CN105
(Page 20: A4)(Page 20: A5)(Page 20: A5)(Page 20: A4)
(Page 20: A3)
(Page 20: A2)
HAAD2(ch 1-8):  to DSP-CN851 (LS9-16)DSP32-CN801...

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2TR DIGITAL IN/OUT
LS9-16/LS9-32JK 001 CIRCUIT DIAGRAM (LS9-16/LS9-32)
JK 001 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008804-150

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DIT2
LINE DRIVER
INVERTER
DIR2
2TR OUT
DIGITAL
2TR IN
DIGITAL 

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WORD CLOCK IN/OUT, MIDI IN/OUT
LS9-16/LS9-32JK 002 CIRCUIT DIAGRAM (LS9-16/LS9-32)
JK 002 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008804-251

LINE DRIVER
Photo Coupler
LINE RECEIVER
INVERTER
WORD
CLOCK
IN
OUT
MIDI
IN
OUT
DAN217 (VV556300)DIODE ARRAY 0.3AX2DA201,202
1: ANODE12: CATHODE23: CATHODE1,
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ANODE212
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DTA143ZUA (V7798800)DIGITAL TRANSISTORTR201
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1: GND(+)2: IN3: OUT
R1R2IN
GND(+)
OUT
INGND(+)OUT 

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DSP I/F
LS9-16/LS9-32JK 003 CIRCUIT DIAGRAM (LS9-16/LS9-32)
JK 003 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008804-352

TRANSCEIVER
TRANSCEIVER
to DSP-CN501 (LS9-16)  DSP32-CN501 (LS9-32)  (Page 32: D3) 

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ETHERNET
LS9-16/LS9-32JK 004 CIRCUIT DIAGRAM (LS9-16/LS9-32)
JK 004 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008804-453

For DEMITAS correspondence
For IC409
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μPC2918T-E1(X2157A00)REGULATOR +1.8VIC407
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321: INPUT2: GND3: OUTPUT4: GND
TPC6101 (V9421500)FETIC406
1: DRAIN2: DRAIN3: GATE4: SOURCE5: DRAIN6: DRAIN
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123
65423
654
VNP1
D-FF
D-FFOR
TRANSCEIVER
FET
SDRAM 64M...

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LS9-16/LS9-32PHN CIRCUIT DIAGRAM (LS9-16/LS9-32)
PHN CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-200100880154
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TRANSCEIVERDAC
REGULATOR +5V
REGULATOR +12V
OP AMPPOWER AMP.0.65W 2CHINVERTER
PHONES
to DCA-CN104  (Page 20: A1)
to DSP-CN931 (LS9-16)  DSP32-CN931 (LS9-32)  (Page 35: G2)
NJM78L05UA(XJ598A00)REGULATOR +5VIC905
1: OUTPUT2: GND3: INPUT
123
NJM7812FA(XJ608A00)REGULATOR +12VIC901
123
1:...

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LED/SW Matrix
LS9-16/LS9-32PNDA CIRCUIT DIAGRAM (LS9-16/LS9-32)
PNDA CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-200100880955

to PNMS-CN102  (Page 59: B10) 

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I/F, Controller, Driver
LS9-16/LS9-32PNIN 001 CIRCUIT DIAGRAM (LS9-16/LS9-32)
PNIN 001 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008807-156

to FD-CN202  (Page 41: J4),  FD2-CN202  (LS9-32 only)  (Page 46: J4)
TRANSCEIVER
CPU(EC-PNS1)
Transistor Array
:Not installed¢°î
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DTC114EKA (VV655400)DIGITAL TRANSISTORTR101
1: GND2: IN3: OUT
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2R1R2IN
GND
OUT
INGNDOUT
R1R2
COMMON(+)
OUT
IN
KRA226S (WG989900)DIGITAL TRANSISTORTR102-119
1. COMMON  (EMITTER)2. IN...

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LED/SW Matrix
LS9-16/LS9-32PNIN 002 CIRCUIT DIAGRAM (LS9-16/LS9-32)
PNIN 002 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008807-257