★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
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.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
● ⚠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ございます。
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
41
MAIN 1/2
CD-S300
SCHEMATIC DIAGRAMS
IC5
CB4
CB1
CB2
CB3
CB6
CB5
0
0
0
0
0
1.7
1.7
1.2
3.3
3.3
3.3
3.2
3.3
3.2
3.2
0.6
0
1.8
1.7
1.7
1.7
1.7
2.4
0.2
2.4
0
1.7
0
1.8
1.8
1.8
1.7
1.8
1.8
1.8
1.8
1.8
0
0
0
3.3
0
3.1
3.3
2.4
0
0
0
0
5.0
1.8
1.7
1.8
1.8
1.8
0
0
1.9
5.0
1.8
1.8
3.3
3.3
3.3
3.4
5.0
0.2
0.2
2.0
3.2
0.3
0.3
3.3
0
0
3.1
3.4
0
0
0
0
3.2
0
3.4
7.3
7.3
1.7
1.7
1.7
3.4
7.2
0.3
0.3
3.3
3.4
3.3
3.3
0
0
0.3
0.3
1.7
1.7
1.7
1.7
1.7
1.0
4.0
3.3
1.7
1.7
1.7
0.2
3.3
0
3.4
3.5
2.0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.3
3.3
3.3
3.3
3.4
3.3
0
0
3.2
3.3
2.4
3.3
0
3.3
3.3
3.3
0
0
1.8
0
3.3
3.3
1.7
1.7
1.7
1.7
1.7
1.6
1.6
3.3
3.3
3.3
0
0
0
0
0
3.3
1.7
1.7
1.7
1.7
1.8
1.2
3.3
3.3
1.7
1.7
3.3
3.3
3.3
0
3.5
0
0
0
0.9
0
0
0
0
0
0
0
0
0.6
3.3
3.3
0
0
0
0
0
3.3
0
0
0
2.0
3.3
3.3
0
0
0
0
0
0
3.3
3.4
0
3.4
3.2
3.2
3.2
1.8
1.8
0
iPod/USB IN
iPod/USB IN
DIGITAL OUT
ANALOG OUT
CD IN
POINT
A XL1 (Pin 72 of IC2)
POINT
B XL2 (Pin 6 of IC7)
V
IN
4
EN
1
2
5
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
V
OUT
3
FLG
GND
IC6
: R5523N001A-TR-F
High side switch IC
1
3
2
5
4
GND
V
CC
IC4
:
TC7SH08FU
2-input AND gate
IN A
IN B
OUT Y
IC2
: LC786922E-01UY-E
CMOS LSI compact disc player IC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22
21
EFMIN
LRSY
DATACK
DATA
TEST
STDATA
STCK
STREQ
MODE
CONT0
CONT1
CONT2
SUB_READY0
REG_READY0
RESB
DO
DI
CL
CE
RFOUT
LPF
SLICE
LEVEL
CONTROL
LPF
INTERPOLATION MUTE
SRC
PLL3
Memory I/F
CD PLL
DOUT Control
PORT CONTROL
SERVO
CONTROL
SUBCODE
DECODER
TEXT
DECODER
ROM
DECODER
MP3, WMA,
DECODER
Memory
1 M Bit
Synchronization
Detection
EFM
Demodulation
ERROR CORRECTION
PCM Output Control
Stream Control/Audio Input
CLOCK
GENERATOR
8FS DIGITAL FILTER/
1 bit DAC
Audio Control
MUTE/DEEMPHASIS/
ATTENUATION CONTROL/
BASS/TREBLE/
HFC Filter
Audio Output
Control
MONITOR
RF
SIGNAL
PROCESSOR
VREF
TES, HFL,
DEFECT
JITTER
APC
D/A
A/D
PHLPF
AIN
CIN
BIN
DIN
SLCISET
RFMON
VREF
JITTC
EIN
FIN
PCNCNT
TE
TEIN
LDD
LDS
AVSS
AVDD
FDO
TDO
SLDO
SPDO
VVSS1
PDOUT1
PDOUT0
PCKIST
VVDD1
CONT5
CONT3
DEFECT
FSEQ
C2F
DVDD
DVSS
DVDD15
VVDD3
VVSS3
SLCO
LRVSS
RCHO
LRREF
LCHO
LRVDD
XVDD
XIN
XOUT
XVSS
CONT4
DOUT
DVDD
DVSS
DVDD15
PCMREQ
PCMDATA
PCMBCK
PCMLRSY
DVDD
DVDD
DVSS
23
24
25
27
26
30
31
32
33
34
35
36
37
38
39
40
28
29
79
80
78
77
76
74
75
71
70
69
68
67
66
65
64
63
62
61
73
72
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
System
Control
MCU
I/F
IC1
:
LA6565-TE-L-E
Power amplifier 5-channel built-in
1
Input
FWD
2
REV
3
VCCP2
4
VLO-
5
VLO+
6
VO4+
7
VO4-
8
VO3+
9
VO3-
10
VO2+
11
VO2-
12
VO1-
13
VO1+
14
+
-
+
-
+
-
VCCP1
Power System GND
Power
System
GND
Power System GND
Signal System GND
MUTE
(LOAD output voltage setting)
Turns ON/OFF a
corresponding CH
H: Output ON
L: Output OFF
11k
11k
44k
To VREFOUT
15
VCCS
16
VIN1+
17
VIN1-
18
VIN1
SGND
Unit
Resistance: ohm
VCONT
MUTE1
MUTE234
VIN4-
VIN4
VREF_IN
VREF_OUT
REG_OUT
REG_IN
VIN+OP
VIN-OP
VO_OP
VIN3
VIN3-
VIN2
VIN2-
VIN2+
FR
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
FR
(VCC)
REG_IN
REG_OUT
Thermal Shutdown
Level Shift
Level Shift
+
-
44k
Level Shift
+
-
Output Control
Level Shift
+
-
+
-
+
-
11k
44k
+
-
To VREFOUT
CH1
CH2,3,4
+
-
+
-
11k
44k
+
-
+
-
IC8
: MFI341S2161
IC digital
H8/300H
MICROPROCESSOR
System control
I/O port
P4/IRQ
P3/IRQ
P2/IRQ
P1/IRQ
RES
Internal address bus
Internal data bus
11
12
14
15
16
17
18
19
20
10
Vss
NC
P2/IRQ
Top view
9
8
7
6
13
5
4
2
1
3
Vcc
Vss
RNG
WDT
FMU
Voltage monitoring circuit
Security logic
ROM (112 kbytes)
RAM (4 kbytes)
Interval timer 1
Interval timer 2
Register
(512 bytes)
Modular multiplication
coprocessor
EEPROM (16 2 kbytes)
On-chip
oscillator
Power-on
reset circuit
P1/IRQ
P3/IRQ
Vcc
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
RES
P4/IRQ
IC7
: LC87F1HC8A-F5AL1-E
CMOS LSI
SIO0
Port 0
Port 1
Port 2
Port 3
Port 7
UART1
ADC
Audio interface
Infrared remote
control receiver circuit
INT0 to INT7
Noise filter
Bus interface
Interrupt control
Standby control
CF
USB PLL
Clock
generator
RC
X’tal
ACC
B register
C register
ALU
PSW
RAR
RAM
Stack pointer
Watchdog timer
Onchip debugger
PC
FROM
PLA
IR
SIO1
SIO4
SIO9
Timer 0
Timer 1
Timer 4
Timer 5
Timer 6
Timer 7
Base timer
PWM0
PWM1
USB host
CURRENT LIMITER
ACTUATOR DRIVER
No replacement part available.
サービス部品供給なし
SWITCH/
BUFFER
To Loader mechanism unit
To Loader mechanism unit
To Loader mechanism unit
