Yamaha CRX-140 Service Manual page 69

Micro component system speaker
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A
B
C
MAIN 3/5
1
MAIN (1)
2
To Loader mechanism unit
0
0
0
0
0.2
3
2.0
<1.9>
0
0
0
1.8
5.1
<1.7>
1.6
0
1.8
1.7
1.7
<2.0>
<4.7>
5.0
1.7
4
1.7
3.3
3.3
<3.4>
3.3
<3.4>
<3.4>
3.3
CB501
<1.9>
5
3.3
3.3
3.3
3.3
<3.3>
0
0
0
0
<3.4>
3.3
<3.4>
3.3
3.3
<3.4>
6
3.3
0.6
0.6
0
CB502
3.2
3.5
<3.6>
3.3
To Loader mechanism unit
0
7
3.3
<3.5>
3.2
<3.3>
W501
0.6
0.6
3.3
To Loader mechanism unit
0
8
IC501: AN41010A-VF
5-ch. linear driver IC for CD and DVD player
[Sled]
[Spindle]
[Loading]
[Tracking]
[Focus]
PVCC
PGND
M
M
M
VO5+
VO5-
VO3+
VO3-
VO1+
VO1-
VO4+
VO4-
VO2+
VO2-
9
19
18
17
16
13
12
11
10
9
8
15
14
OPI+
PVCC/2
22
OPI-
23
Direction
Direction
Direction
Direction
Direction
Detection
Detection
Detection
Detection
Detection
OPO
24
VREF
20
· Standby
STBY
· Band-gap
1
· SVCC
Logic
Reset Circuit
10
FIN
21
27
2
26
3
7
6
5
27
28
4
[STBY]
"L": All mute
20 kΩ
20 kΩ
18 kΩ
20 kΩ
20 kΩ
"H": All active
SGnd
SVCC
IN5
PC5
IN4
PC4
IN3R
MC2 MC1
IN2
IN1
PC1-2
[PC1-2,PC4,PC5]
MC1
MC2
MODE
"L": mute
"L"
"L"
Forward
"H": active
"L"
"Hi-Z"
Brake
"L"
"H"
Reverse
"H"
"L"
Stand-by
Note) For use inputting 3-state
"H"
"H"
Brake
MC1 is fixed to L"
D
E
F
IC502
0
0
<1.7>
1.6
<0.2>
1.7
<3.3>
0
<1.6>
1.7
1.5
1.7
1.8
1.8
1.7
1.7
1.7
1.7
0.2
2.4
<2.4>
1.8
1.7
<1.9>
<1.6>
1.1
<0.9>
1.8
<1.7>
3.2
1.2
<1.8>
1.3
<3.2>
1.3
<1.1>
1.7
<1.3>
<3.2>
1.7
3.3
0.9
2.4
1.5
2.0
1.5
0.5
<0>
DRIVER
1.7
1.6
<1.7>
<1.7>
1.6
1.6
1.6
<1.7>
1.6
<1.7>
1.6
<1.7>
0
7.2
OUT L
<7.3>
1.6
<1.7>
3.2
<3.3>
3.3
<3.5>
3.2
3.5
<3.6>
7.2
<7.3>
3.4
3.3
IC504: MN103SFB5KYAA
Microprocessor
INTERFACE
ROM
32 bit
MEMORY
256 KByte
8 KB
FLASH
MICRO-
DMA 4 CH
MEMORY
PROCESSOR
USB
CORE
DATA
SIF
RAM
PD6/IRQ3
1
8 KByte
USBNOC/PC0
2
x 2
USBNPP/PC1
3
USBD-
4
I2C
AVSS
5
x 1
USBD+
6
AVDD
7
PE0/IRQ0
8
I/O port
VDD33
9
VDD18/VOUT
10
TIMER
INTERRUPT
34 pcs (3 V type)
OSCI
11
8 pcs (5 V type)
CONTROL
OSCO
12
VSS
13
8-bit x 4
WDTx1
NRST
14
CLOCK and
16-bit x 2
35 Factor
MMOD0
15
SYSTEM control
MMOD1
16
G
H
I
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
CD CONTROLLER
1.6
IC503
1.7
3.3
<3.3>
3.3
<3.3>
1.6
<3.3>
1.6
<3.3>
0
1.7
1.7
1.7
0
3.3
0
E
0
0
(Writing port)
CD IN
IC505: M12L16161A-7TG
512 K x 16-bit x 2 banks synchronous DRAM
LWE
Bank Select
Data Input Register
V
DD
1
50
V
LDQM
DQ0
2
49
DQ15
DQ1
3
48
DQ14
V
SSQ
4
47
V
512K x 16
DQ2
5
46
DQ13
DQ3
6
45
DQ12
48
P33/SDA3
DQi
V
DDQ
7
44
V
47
P34
512K x 16
CLK
DQ4
8
43
DQ11
46
P35/SCL3
45
P77
DQ5
9
42
DQ10
44
P40
ADD
V
SSQ
10
41
V
43
P87
DQ6
11
40
DQ9
42
VDD18
Column Decoder
DQ7
12
39
DQ8
41
P86
V
DDQ
13
38
V
40
VSS
LDQM
14
37
N.C/RFU
39
P85
Latency and Burst Length
38
VDD33
LCKE
WE
15
36
UDQM
37
P84/TM11IOB
CAS
16
35
CLK
36
P83/TM11IOA
Programming Register
RAS
17
34
CKE
35
P82/TM11IOB
LRAS
LCBR
LWE
LDQM
CS
18
33
N.C
34
P81/TM11IOA
LCAS
LWCBR
BA
19
32
A9
33
P75
A10/AP
20
31
A8
Timing Register
30
A0
21
A7
A1
22
29
A6
A2
23
28
A5
CLK
CKE
CS
RAS
CAS
WE
L(U)DQM
27
A3
24
A4
V
DD
25
26
V
J
K
IC505
3.3
3.3
0
0
3.3
F
0
3.3
USB CONTROLLER
3.3
0
1.8
0
IC504
3.3
1.8
<3.3>
0
0
0
0.3
0.3
<3.3>
< > the voltage is CRX-140.
< >内の電圧はCRX-140です。
CRX-040
POINT E XL501 (Pin 109 of IC503)
POINT F XL502 (Pin 12 of IC504)
SS
SSQ
DDQ
SSQ
DDQ
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
★ Components having special characteristics are marked
and must be replaced
SS
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
● 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。
L
M
N
CRX-040/CRX-140/NS-BP80
IC BLOCK DIGAGRAM MAIN 2/5
IC268: M24C02-RDW6TP
2 K-bit and 1 K-bit serial I2C bus EEPROM
V CC
3
E0-E2
SDA
E0
1
8
V CC
E1
2
7
WC
SCL
M24Cxx
E2
3
6
SCL
V SS
4
5
SDA
WC
V SS
IC269: R3112N251A-TR
Voltage regulator
V
DD
2
1
V
OUT
R
D
Vref
3
GND
5
C
D
Pin No.
Symbol
Description
1
OUT
Output Pin ("L" at Detect, "H" at Released)
2
V
DD
Input and power source for device itself
3
GND
Ground Pin
4
NC
No Connection
5
C
Pin for external capacitor for setting output delay
D
IC270: R1154H001C-T1-F
Voltage regulator
Thermal
Shutdown
V
DD
5
1
V
OUT
4 ADJ
Vref
Short
Current
Protection
Limit
Circuit
Circuit
2
GND
CE
3
Pin No.
Symbol
Description
1
V
Output Pin for Voltage Regulator
OUT
2
GND
Ground
3
CE
Chip Enable Pin (active at "H")
4
ADJ
Adjustable Output Pin for Voltage Regulator
5
V
DD
Power Supply Pin
CRX-140
POINT E XL501 (Pin 109 of IC503)
POINT F XL502 (Pin 12 of IC504)
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。
69

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