Yamaha n8 Service Manual page 42

n8/n12
NJM2068M-D(TE2) (X3505A00)
DM-A (n8): IC139,140,151,152,168-171,
176-181
DM-B (n12): IC124,138-140,151-154,
164-171,176-181
HA-A: IC105,107
HA-B (n12 only): IC105,107
JK-A (n8): IC100-102
JK-B (n12): IC100-102
NJM2082M(TE1) (X5030A00)
HA-A: IC116
NJM4556AD (XQ824A00)
DM-A (n8): IC142,143
DM-B (n12): IC142,143
Dual Operational Amplifier
Output A
1
Inverting
2
Input A
- +
Non-Inverting
3
+ -
Input A
-DC Voltage Supply
4 -V
AK4382AVT (X0661A00)
DM-A (n8): IC134,135
DM-B (n12): IC134-136
Digital to Analog Converter
CSN 6
De-emphasis
μP
Control
CCLK 7
Interface
CDTI 8
Interpolator
LRCK
4
Audio
Data
BICK 2
Interface
SDTI
3
Interpolator
5
PDN
42
NJM2902M(TE1) (X4983A00)
PN-A (n8): IC508
PN-B (n12): IC508
PNSB (n12 only): IC206
Quad Operational Amplifier
Output A
Inverting
Input A
Non-inverting
Input A
+DC Voltage Supply
Non-inverting
Input B
Inverting
Input B
Output B
+DC Voltage
+V 8
Supply
Output B
7
Inverting
6
Input B
Non-Inverting
5
Input B
MCLK
1
Clock
Divider
8X
∆∑
SCF
Modulator
8X
∆∑
SCF
Modulator
1
14
Output D
Inverting
2 - +
13
Input D
+ -
Non-inverting
3
12
Input D
4 +V 11 Ground
GND
Non-inverting
5 10
Input C
Inverting
6
+ - 9
Input C
7
8 Output C
14 V
DD
MCLK 1 16
V
13 SS
2
15
BICK
DZFL
16
SDTI 3 14
DZFR
15
4
LRCK 13
AOUTL+
12
5
PDN 12
11 AOUTL-
6 11
CSN
AOUTR+
10 7
CCLK 10
AOUTR-
9
CDTI
8
9
SN74AHCT1G08DCKR (X0158A00)
DM-A (n8): IC120,130,132,137
DM-B (n12): IC120,121,130-132,137
SN74LVC1G08DCKR (X5896A00)
DM-A (n8): IC123,186
DM-B (n12): IC123,186
Single 2-Input Positive-AND Gate
1
A
2
B
3
GND
FUNCTION TABLE
INPUTS OUTPUT
A B
H H
L X
X L
Pin No. Pin Name I/O
1 MCLK I Master clock input
DZFL
2 BICK I Audio serial data clock
3 SDTI I Audio serial data input
DZFR
4 LRCK I L/R clock
5 PDN I Power down mode
V
DD
6 CSN I Chip select
7 CCLK I Control data input
Vss
8 CDTI I Control data input
9 AOUTR- O Rch negative analog output
AOUTL+
10 AOUTR+ O Rch positive analog output
11 AOUTL- O Lch negative analog output
AOUTL-
12 AOUTL+ O Lch positive analog output
13 V Ground
AOUTR+ SS
14 V Power supply +5V
DD
15 DZFR O Rch data zero input detect
AOUTR-
16 DZFL O Lch data zero input detect
Note: All input pins should not be left floating.
5 Vcc
4
Y
Y
H
L
L
Function