Yamaha MCR-Nx70, Service Manual

Page: 43 / 69

B A C D E F G H I J K L
2
3
4
5
6
7
8
9
1
43
VOLUME
A-U670/A-670/A-U671/NS-BP401/NS-BP301
★
Components having special characteristics are marked ⚠ and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
● ⚠印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
● 本回路図は標準回路図です。改良のため予告なく変更することがあります。
MIN
S
S
BP
V R 5
R K 1 6 8 1 1 M G A 0 9
1 2 1 1
V R 5
R K 1 6 8 1 1 M G A 0 9
2
5
7
9
10
1
3
4
6
8
R 8 0 1
4 7
C801
0.01(B)
D801
1SS355VM
D802
1SS355VM
C 8 0 4
n o _ u s e
D 8 0 3
n o _ u s e
D 8 0 4
n o _ u s e
I C 8 0 1
B H 6 5 7 8 F V M - T R
1234
5
6
7
8
R 8 0 2
6 2 K
R 8 0 5
4 7 K
C 8 0 5
0 . 0 1 ( B )
R 8 0 3 1 0 K
R 8 0 4 1 0 K
R806
no_use
R807
no_use
C 8 0 6
4 7 0 / 6 . 3
P N 8 0 1
C 8 0 7
1 / 5 0
C 8 0 8
n o _ u s e
C809
0.1/16
C B 8 0 1
P H L
1 2 3 4 5 6 7 8 9
R 8 0 9
0
+5V VRG +3.3S VOL_AD DGND VOL_UP
VOL_DN
N O T I C E
U.S.A
G
CANADA
EUROPE
L
CHINA
AUSTRALIA
SINGAPORE
KOREA
GENERAL
U
C
T
A
K
R
JAPAN
(model)
B BRITISH
J
SOUTH EUROPE E
V
TAIWAN
F RUSSIAN
P LATIN AMERICA
S BRAZIL
H THAI
RESISTOR
REMARKS
NO MARK PARTS NAME
CARBON
CARBON
METAL
METAL
METAL
FIRE
CEMENT
SEMI FILM RESISTOR
FILM RESISTOR
OXIDE FILM RESISTOR
FILM RESISTOR
PLATE RESISTOR
PROOF CARBON FILM RESISTOR
MOLDED RESISTOR
VARIABLE RESISTOR
(P=5)
(P=10)
CHIP RESISTOR
REMARKS
CAPACITOR
PARTS NAME
NO
NO
MARK
MARK
ELECTROLYTIC CAPACITOR
CERAMIC CAPACITOR
POLYESTER FILM CAPACITOR
POLYSTYRENE FILM CAPACITOR
MICA CAPACITOR
POLYPROPYLENE
FILM CAPACITOR
SEMICONDUCTIVE CERAMIC CAPACITOR
P
TANTALUM CAPACITOR
TUBULAR
S
CAPACITOR CERAMIC
FILM SULFIDE POLYPHENYLENE
CAPACITOR
IC801 : BH6578FVM-TR
0.5A or less reversible motor drivers
Thermal
shutdown
1
2
3 4
8
7
6 5
Control
Logic
LDCONT
+ –
INREV INFWD LDCONT
Vcc
Vcc
OUT+ OUT- GND
GND_S
F R
PRE
GND
POW
GND
POW CMOS
H-Bridge
Details of colored lines
Red / full line: Power supply (+)
Red /dashed line: Power supply (-)
Orange: Signal
detect
Yellow: Clock
Green: Protection
detect
Brown: Reset signal
Blue: Panel key input
VOLUME
to MAIN (1)_W802
Page 41 E1
A-U671