Block Diagram - Yamaha N-100 Service Manual

1 2
<Page 1>
N-100 BLOCK DIAGRAM
A
PN
(1/2)
(LED)
+5D +5D
14
[SW3] 2
B
7
IC1
14P
[SW4]
4
[SW5]
6
+5D
CN2 - 9P
CN3 - 7P
C
CN5 - 9P CN4 - 7P
DM
C35
+5D
Driver Driver
TA2
TA1
D
MIDIRX
MIDIICN, MIDITX
+3.3D
+3.3D
16
Program
37,38
E WAVE
MASK128M
IC9 (48P)
8
+3.3D
16
DRAM
1,6,22
4M
+3.3D
IC21 (44P)
F
+5D
CN2 - 5P
MIDI
G
CN9 - 5P
JACK (1/2)
TR6
+5D
6
IC4 (8P)
2,3 5
TR5
+5D
JK4 JK5
H
IN OUT
MIDI
I
N-100 CIRCUIT BOARD LAYOUT & WIRING
J P10 P20
to PL-CN11
to PN-CN2
to PN-CN3
P30
b
P70
K
To PN-CN1
m
a
P40
L
M
Note1) The symbol sign of union parts.
N
: Insulation Look Tie
: Filament Tape
: Cord Binder
: Cable Holder
Note2) PS cover is used for U destination only.
Note3) Reference for Assembly Wiring Only.
O
Note4) 70 100 110 is careful so that a heatsink may not be touch.
Note5) is fixed to speaker angle with a screw (on keybed).
P70
Note6)
10 30 120 P30
P
Q
N-100
1 2
3 4 5
MK SUB
Panel Switches
(Touch Switch)
+5D
MK
E-LKS
+5D
10,24
1
BK
IC1
64P
X1
SDA
8.38MHz
13
40
SCL
3
14
E-IC
41 36
+5D
5
CN10 - 7P
SCL
SDA
+5D
E-IC
5,37
KSNICN, KSNACK
8
E-HOSTs
KSNRX
36 X2
IC24 (48P)
10MHz
KSNCLK
34
9
48 47 46
1,4,10
+3.3D
+2.5D
29,37 +2.5D
18,19,20 38 39
4,15,46,
57,58,59
89,119
+12DM
SWL01 ICN
44 SPOFFN
36 5
MASTER
26 MUTEN +5V
27,35 RESET
IC4
4
41 HPSW
(128P)
IC1(5P)
ICN 16
24,47,66, 2
90,120 SDO 12
+12DM
40
X1
+3.3D +6E
fc=48KHz
8
OSC L
1
3 4
LPF
2,3
+2.5D +5A
33.8688MHz
4
41
IC14
14
4,15,46, SDI 12
3 (8P)
DAC
40 11,12
89,119 SDO
R
7
42,43,44 IC11 6,5
LPF
9,10
(16P)
1,2,4
SWL01
+6E
SLAVE
+12DM
+12DM
IC7
(128P)
24,47,66,
SPOFFN
90,120
IC10 (3P) MUTEN
HPSW
REG
+5A
16 +5V
+3.3D
Program
+6E
36,37
WAVE
MASK128M
IC17 (48P)
CN3 - 5P
+12R
PEDAL
CN1 - 5P
PJK JACK
JK401
Pedal Unit
PEDAL
PEDAL (SW)
PEDAL VR
SOFT
SOSTENUTO
100
CN10
CN1
P20
CN5
P30
30 DM
CN4
PJK
60
CN1 CN2
c
CN7 CN3
20
d
30
CN9 CN1 CN3 CN10 CN7 CN6
10 20 P40 P10 40 50
r
e
JACK
Location
10
20
30
40
50
60
70
80
90
100
110
lets the bottom of pass.
20 60
120
P10
2NC-WF69800-3 2
P20
P30
P40
P60
P70
* The parts with "( )" in "Part No." are not available as spare parts.
Caution: Be sure to attach the removed filament tape just as it was before removal.
3 4 5
6 7
GHD EBUS L GHD M GHD H
(A-1 ~ F#2) (G2 ~ C5) (C#5 ~ C7)
(MK) (MK) (MK) (MK)
MK
BK (BK)
(BK)
(BK)
88 Keys
(GHD_EBUS)
(A-1 ~ C7)
CN1 - 7P
KEYBOARD
E-Bus
IC5 (5P)
REG +5D (+5V)
+3.3V/2.5V
+5D (+5V)
PN (2/2) MASTER
VOLUME
VR1
CN1 - 8P
CN1 - 11P CN3 - 8P
L R L R
+6A
+12A
+6A
POWER
8
HP_RY
OP AMP
IC1
OP
(8P)
IC3
+12A
AMP
(16P)
4 +12A
4
(+12V)
+6A
+6A
+12R
/MUTE
+12PL
/SPOFF
+12DM
RY1
RY2
+6A
+12R
HP_RY
HP_RY
+12PL
(2/2)
JK6
JK1 JK7
L R
AUX OUT
(LEVEL FIXED)
PHONES
DAMPER
h
n
120
110
j
10
i
70
50 MAEQ
CN1
CN6
CN3
CN4
80
CN2
60
g
f 40
120
s
CN1
GHD EBUS L
Unit Name Part No. Part Name
(WF67520) MIDI Connector Assembly
VK104600 KRD-KRD Connector Assembly
VK102500 KRD-KRD Connector Assembly
VK104000 KRD-KRD Connector Assembly
(VK10060) KRD-KRD Connector Assembly
(WF74680) +5D Connector Assembly
Main Unit (WF67530) +B Connector Assembly
(WF67540) NW Connector Assembly
(WG82170) NET Connector Assembly
(WF67550) SP Connector Assembly
(WF67560) WO Connector Assembly
(WH02170) KB Connector Assembly
(VK12670) KRD-KRD Connector Assembly
(VK12850) KRD-KRD Connector Assembly
VK124400 KRD-KRD Connector Assembly
Upper Case Unit (WF67590) VOL Connector Assembly
WF675800 Power Switch Assembly
(WG82140) GND Wire
6 7
8 9
CONTENTS
N-100 OVERALL CIRCUIT DIAGRAM
DM ........................................ 2 NET2 .................................... 3
GHD EBUS L ....................... 4 PEDAL (SW) ........................ 4
GHD H .................................. 4 PEDAL VR ........................... 4
GHD M ................................. 4 PJK ....................................... 4
JACK .................................... 3 PL ......................................... 3
MAEQ ................................... 3 PN ........................................ 3
MK SUB ............................... 4 PS ........................................ 3
NET ...................................... 3
U, E, B
PS
models
+B
DB1
+18V
CN4 - 4P CN1 - 5P
IC1 (3P)
MAEQ
+5V
IC2 (3P) REG
+12V
+12V +12V
+12V
REG
+5V
+6B +6C
POWER AMP.
+12V +18V
OP AMP
IC6,9,11: 8 (BTL) 20Wx2
10,17
IC6 (8P)
IC7,10 : 4 IC7 (14P)
15
IC6,9,11: 4 5 7 3
IC7,10 : 11 1 2
6
2 16
+6B +6B
13,14
+6B 5
IC7 (14P) IC4 (17P)
IC9 (8P)
11
IC6 (8P) 12
IC10 (14P)
3
1 3
1
2
2
4
+12V +6C +6C
IC10 (14P)
+6C
/SPOFF
IC11 (8P) TR3
/MUTE
/MUTE
/SPOFF
TR1
(MUTE2)
EQ
+B TR2
POWER
indicator
PL
WARNING
Components having special characteristics are marked and must be replaced with parts having
specifications equel to those originally installed.
100
CN1
CN2
PS
70 P60
o
p
90 90
110
CN3 CN3
80
CN2 CN2
CN1
NET NET2
k
100
t
Destination Fix Position
DM CN2 – JACK CN9 c d g
DM CN7 – JACK CN1
e
DM CN3 – PJK CN1 d g
JACK CN7 – MAEQ CN2 e f
JACK CN6 – MAEQ CN3 e f
DM CN1 – MAEQ CN4 e f s
MAEQ CN1 – PS CN2
i j
MAEQ CN6 – NET CN1 k s
NET CN3 – NET2 CN3 o
NET2 CN2 – Speaker(SQUAWKER) L h i j k n
NET2 CN2 – Speaker(SQUAWKER) R p q
NET CN2 – Speaker Box
i j k n t
DM CN10 – GHD EBUS L-CN1 g h
JACK CN10 – PL CN11 b m r
DM CN5 – PN CN2 b c d m
DM CN4 – PN CN3 b c d g m
JACK CN3 – PN CN1
a r
PS CN1 – Power Switch l p q
SP (L) Angle – Panel b
SP (R) Angle – Panel l
8 9
10 11 12
N-100
Circuit diagram notational cautions
(Example)
to MAEQ - CN4
<Page 3 I-11>
Page 3 are the page of a circuit diagram.
I-11 is indicates the location of the counter
inter-sheet connector.
(The alphabet indicates horizontal direction
and the number indicates vertical direction)
AC CORD
RY2 NET
WH L
+
– Speaker
BK
WOOFER
RE 4Ω 20W
+
–
R
BR
+12V
CN3 - 6P(4P)
CN3 - 6P(4P)
BE
L1 C9
+
L
-
BK Speaker
C10 RE SQUAWKER
+
R
4Ω 10W
-
BR
NET2
28CA1-2001002652
P60
To PSW
l
P70
q
Note
5P L=400
11P L=250
5P L=200
7P L=250
6P L=150
4P L=450
5P L=180
4P L=300
6P L=200
t 5P L=1100
5P L=200
5P L=500
7P L=700
2P L=1000
7P L=1100
9P L=900
8P L=900
3P L=830
L=350
2NC-WF69800-4 1
N-100
10 11 12
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q