Yamaha Ls 9 Service Manual

							
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Motor driver (Ch. 9-16, Stereo)
LS9-16/LS9-32FD 002 CIRCUIT DIAGRAM (LS9-16/LS9-32)
FD 002 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008805-238

OP AMP
OP AMP
OP AMP
OP AMP
MULTIPLEXER
MULTIPLEXER
MULTIPLEXERD-FF
D-FF
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
ch 9
(ch 25)∗
ch 10
(ch 26)∗
ch 11
(ch 27)∗
ch 12
(ch 28)∗
ch 14
(ch 30)∗
ch 15
(ch 31)∗
ch 16
(ch 32)∗
STEREO
ch 13
(ch 29)∗∗: Indications in the parentheses “(  )” are for LS9-32.
∗:¢y£x-4w	Ôù›Ô`‡b{
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Motor driver (Ch. 1-8)
LS9-16/LS9-32FD 003 CIRCUIT DIAGRAM (LS9-16/LS9-32)
FD 003 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008805-339

OP AMP
OP AMP
OP AMP
MULTIPLEXER
MOTOR DRIVERch 1
(ch 17)∗
MOTOR DRIVERch 2
(ch 18)∗
MOTOR DRIVERch 3
(ch 19)∗
MOTOR DRIVERch 4
(ch 20)∗
MOTOR DRIVERch 5
(ch 21)∗
MOTOR DRIVERch 6
(ch 22)∗
MOTOR DRIVERch 7
(ch 23)∗
MOTOR DRIVERch 8
(ch 24)∗
:  Not installed¢°î
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∗: Indications in the parentheses “(  )” are for LS9-32.
∗:¢y£x-4w	Ôù›Ô`‡b{ 
						

							
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STIN SW/LED controller
LS9-16/LS9-32FD 004 CIRCUIT DIAGRAM (LS9-16/LS9-32)
FD 004 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008805-440

CPU(EC-PNS1)
Transistor Array
TRANSCEIVER
to STIN1-CN101  (Page 62: H4) (LS9-16)  (Page 63: H4) (LS9-32)
R1R2
COMMON
OUT
IN
KRC119S (WF688500)DIGITAL TRANSISTORTR301
1: EMITTER2: BASE3: COLLECTOR
12
3
R1R2
COMMON(+)
OUT
IN
KRA226S (WG989900)DIGITAL TRANSISTORTR302-310
1. COMMON  (EMITTER)2. IN (BASE)3. OUT  (COLLECTOR)
12
3 
						

							
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Connection, Motor power supply
LS9-16/LS9-32FD 005 CIRCUIT DIAGRAM (LS9-16/LS9-32)
FD 005 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008805-541

DC-DC CONVERTER
DC-DC CONVERTER
:  Not installed¢°î
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to DSP-CN102 (LS9-16)  DSP32-CN102 (LS9-32)  (Page 23: K9),  FD2-CN302 (LS9-32 only)  (Page 46: J2)
to DCD-CN504 (LS9-16)  (Page 21: B6)  DCD-CN505 (LS9-32)  (Page 21: B7)
to PNIN-CN101  (Page 56: O6)
to PNMS-CN101  (Page 59: O6)
to INV-CN603  (Page 36: E4)
PQ1CY1032ZP(X5090A00)DC-DC CONVERTERIC120,215
1: V IN2: V OUT3: COM (heat sink)4: O adj5: V soft
1
5
DE5S4M (V2330500)DIODE 40V 5AD102,202
1
4
32
1423
1SS355 TE-17 (VT332900)DIODED101,201
1: ANODE2: CATHODE
1
2
HZM6.2ZMFATR (WE972600)ZENER DIODEDA301
543
121: CATHODE2: CATHODE3: CATHODE4: ANODE5: CATHODE
543
1
2 
						

							
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E-Bus CPU
LS9-32FD2 001 CIRCUIT DIAGRAM (LS9-32)
FD2 001 CIRCUIT DIAGRAM (LS9-32)28CC1-2001008806-142

CPU(E-FDC)
CPU(E-FDC)
INVERTER
notinstalled
notinstalled
:  Not installed¢°î
÷£ 
						

							
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Motor driver (Ch. 9-16)
LS9-32FD2 002 CIRCUIT DIAGRAM (LS9-32)
FD2 002 CIRCUIT DIAGRAM (LS9-32)28CC1-2001008806-243

OP AMP
OP AMP
OP AMP
MULTIPLEXER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
ch 9
ch 10
ch 11
ch 12
ch 14
ch 15
ch 16
ch 13
:  Not installed¢°î
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:Metal Film Resistor (chip)¢½¿ÓÚ
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:  Mylar Capacitor (chip)¢½¿Óڠ唯ïÃï±µ£ 
						

							
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Motor driver (Ch. 1-8)
LS9-32FD2 003 CIRCUIT DIAGRAM (LS9-32)
FD2 003 CIRCUIT DIAGRAM (LS9-32)28CC1-2001008806-344

OP AMP
OP AMP
OP AMP
MULTIPLEXER
MOTOR DRIVER
ch 1
MOTOR DRIVER
ch 2
MOTOR DRIVER
ch 3
MOTOR DRIVER
ch 4
MOTOR DRIVER
ch 5
MOTOR DRIVER
ch 6
MOTOR DRIVER
ch 7
MOTOR DRIVER
ch 8
:  Not installed¢°î
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:Metal Film Resistor (chip)¢½¿ÓÚ
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1
2
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8
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STIN SW/LED controller
LS9-32FD2 004 CIRCUIT DIAGRAM (LS9-32)
FD2 004 CIRCUIT DIAGRAM (LS9-32)28CC1-2001008806-445

not installed
:  Not installed¢°î
÷£ 
						

							
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8

Connection, Motor power supply
LS9-32FD2 005 CIRCUIT DIAGRAM (LS9-32)
FD2 005 CIRCUIT DIAGRAM (LS9-32)28CC1-2001008806-546

DC-DC CONVERTER
DC-DC CONVERTER
to DSP32-CN102  (Page 23: K9),  FD-CN302  (Page 41: J2)
to DCD-CN504  (Page 21: B6)
to PNIN-CN101  (Page 56: O6)
not installed
not installed
PQ1CY1032ZP(X5090A00)DC-DC CONVERTERIC120,215
1: V IN2: V OUT3: COM (heat sink)4: O adj5: V soft
1
5
DE5S4M (V2330500)DIODE 40V 5AD102,202
1
4
32
1423
1SS355 TE-17 (VT332900)DIODED101,201
1: ANODE2: CATHODE
1
2
HZM6.2ZMFATR (WE972600)ZENER DIODEDA301
543
121: CATHODE2: CATHODE3: CATHODE4: ANODE5: CATHODE
543
1
2
:  Not installed¢°î
÷£
:Metal Film Resistor (chip)¢½¿ÓÚ
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Head Amp and AD Converter
LS9-16/LS9-32HAAD2 001 CIRCUIT DIAGRAM (LS9-16/LS9-32)
HAAD2 001 CIRCUIT DIAGRAM (LS9-16/LS9-32)28CC1-2001008798-147

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
1,9,
17,25∗
2,10,
18,26∗
3,11,
19,27∗
4,12,
20,28∗
 INPUT
• GAIN SETTING CHART¢GAIN
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:  Electrolytic Capacitor¢éµæµ«?r¯ïÃï±”£
:Metal Film Resistor (chip)¢½¿ÓÚ
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∗INPUT 17-20, 25-28: LS9-32 only
D1F60 (VS201100)DIODED101,102,107,201,202,207,  301,302,307,401,402,407
1: ANODE2: CATHODE
2
1
:  Flame Proof C. Resistor¢
Æé=§”Øï
Å£
2SC2240 (IC224030)TRANSISTORTR105,106,205,206,305,306,405,406
3: BASE2: COLLECTOR1: EMITTER2131
23
2SB1260 (VV540200)TRANSISTORTR102,202,302,402
1: BASE2: COLLECTOR3: EMITTER
132
12
3
KTC3911S (WC139600)TRANSISTORTR101,201,301,401
1: EMITTER2: BASE3: COLLECTOR
2
3
1
2
1
3
KTC3875S (WC529400)TRANSISTORTR103,104,203,204,303,304,403,404
1: EMITTER2: BASE3: COLLECTOR
2
3
1
2
1
3