Yamaha CD S2000 - SACD Player, Service Manual

Page: 41 / 59

CB301
CB302
CB303
W309
IC301
IC302
IC306
IC308
W306
CB307
CB308
IC308
IC308
IC308
IC306
IC306
IC306
IC303 IC304
IC305
IC307
IC307
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
CD-S2000
41
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★
Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
DIGITAL 1/3
SCHEMATIC DIAGRAMS
3.3
3.3
3.3
3.3
-12.3 3.3
3.3
3.3
0
-12.3
-12.3
-12.3
3.3
-12.3
3.3
3.3
0
0.6 0.8
0.7
0
0
0
8.0 8.0 0.8 0.6
0
0.6 0.8
0.7
0
0
0
8.0 8.0 0.8 0.6
2.5
2.5
0
5.0
2.5
2.5
0
5.0
2.5
3.3 3.3
0
3.3
0.1
3.3
3.3
5.0
3
6
8
11
2
1
4
5
9
12
13
10
3.3
3.3
5.0
3.3
3.3
3.3
0
0
0
3.3
3.3
5.0
5.0
3.3
3.3
5.0
3.3
3.3
5.0
3.3
3.3
5.0
0
0.5
5.0
2.5
0
1.7
1.7
0
0
3.3
3.3 3.3 3.4
0 0 3.3 1.7
0
1.5 3.3
0 0 0 0
0.1 3.3
0
3.3
0
3.3
0
3.3
3.3 3.3 3.3 3.3 3.3
0
3.3
0
0
3.3
3.3
3.3
3.3
3.3
0
3.3
0
3.3
3.3
3.3
3.3 0 3.3
0
0.5
3.3
3.3
3.3
0
3.3
3.3
3.3
A-2
1
A-3
2
A-1
11
12
13
3
6
8
2
1
4
5
9
10
1 7
4
3
5
IC302 : M30302FAPFP
Single-chip 16-bit microprocessor
Timer (16-bit)
Peripheral function
Input (timer A) x3
Output (timer B) x3
Watchdog timer
(15-bit)
DMAC
(2-channel)
A/D converter
(10-bit X 18-channel)
System clock generator
XIN-XOUT
XCIN-XCOUT
M16C/60 series
Microprocessor core
Port P0
8
Port P1
8
Port P2
8
Port P3
8
Port P4
8
Port P5
8
Port P6
8
8
R0L R0H
R1H
R1L
R2
R3
ISP
USP
INTB
SB
CRC arithmetic circuit (CCITT)
(Polynomial : X 16+X12+X5+1)
Multiplier
7
8
Po
rt
P
9
8
P
o
rt
P10
P
o
rt
P8_5
Po
rt
P
8
Po
rt
P
7
Memory
ROM
(Note 1)
RAM
(Note 2)
FB
A1
FB
A1
A0
FLG
PC
UART or clock synchronous type
serial I/O
(3-channel)
ROM contents vary depending on types.
RAM contents vary depending on types.
IC303, 304 : LB1641
Motor driver
INPUT LOGIC
IN 1 IN 2
VZ
P1 P2 OUT 1 OUT 2 VCC 2 VCC 1
GND
PRE DRIVER
1
3 2 8 10 9 7
4
6
5
Vref
Vout
GND
VDD
N.C.
N.C.
4
1
2
3 5
–
+
IC305 : BD4829G-TR
Voltage detector IC
IC306, 308 : TC74HCT08AF
Quad 2-input AND gate
Vcc 14
4B 13
4A 12
4Y 11
3B 10
3A 9
3Y 8
1A 1
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
IC307 : TC7WU04F
Triple inverter
1
2
3
4
8
7
6
5
1A
3Y
2A
GND
VCC
1Y
3A
2Y
1
3
2
5
4 GND
V
CC
IC301 : TS7ST00F
2-input NAND gate
IN A
IN B
OUT Y
POINT A-1 XL301 (Pin 13 of IC302) POINT A-2 A-3 1 / Pin 16, 2 / Pin 12 of IC302
1 IC302 16 pin
AC cable ON AC cable OFF
IC302 12 pin 2
AC cable ON
MICROPROCESSOR
MOTOR DRIVER MOTOR DRIVER
BUFFER AMP
DIGITAL (1)
to AUDIO_CB2
Page 44 B6
to POWER (1)_CB611
Page 45 L8
to POWER (1)_CB610
Page 45 L7
to DIGITAL (5)_CB901
(Writing port)
OPTICAL
COAXIAL
DIGITAL
OUT
Page 43 C5
To Module board
To Module board