Yamaha YST-MS30, Руководство по обслуживанию

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A
1
2
3
4
5
6
7
8
YST-MS30/YST-MS35D
B C D E F G H I J K
18
IC4 : TDA7370BV
Quad Power Amp
IC1~3, 6~8 : uPC4570HA
Dual OP-Amp
■
SCHEMATIC DIAGRAM
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC’s.
NJM78L06A 2SA733(P,Q)
2SC945A(Q,P)
2SC3792 1SS133
MTZJ3.9A
Anode
Cathode
2SK304(E)
1 2 3
– +
1
+ –
2
4 5 6 7 8 9
Vcc Vo1 –Vin1 +Vin1 V
EE
+Vin2 –Vin2 Vo2 Vcc
UPC4570HA TDA7370BV 2SD1200F(Q,R) M24C02-W-BN6 UDA1321PS/N101
D
S
G
3
2 1
1.COMMON
2.INPUT
3.OUTPUT
9
1
1
4
8
B
C
E
16
1
32
★ All voltages are measured with a 10M
Ω
/V DC electric volt meter.
★ 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.
YST-MS30 YST-MS35D
USB
INPUT
DC15V
JK5 JK3
–
+
SATELLITE
Rch
V
O
LUME
–
+
SATELLITE
Lch
+
–
SUBWOOFER
AMP(3)
AMP(1) AMP(2)
AMP(4)
BASS
TO RIGHT
SPEAKER
1
INPUT
2
INPUT
From
AC
adapter
TO LEFT
SPEAKER
+B
OL
OR
SWI
VCC
E
VDD
E
BIAS
LSP+
RSP+
PSW1
E
Lch
Rch
Lch
E
E
VDD
LSPG
LSP+
Rch
E
Rch
E
Lch
E
YST-MS35D
only
• Subwoofer
• Satellite Speakers
Satellite Speaker Unit (Right)
Satellite Speaker Unit (Left)
IC201 UDA1321PS/N101
IC202
M24C02-W-BN6
TDA7370BV
A. N. I. C
LIMITTER
L. P. F
POWER AMP H. P. F
H. P. F
MUTE
REGULATOR
USB D/A
CONVERTER
EEPROM
REGULATOR
L. P. F
5.9
5.9
15.1
5.9
5.9
5.9
0
5.9
15.1
5.9
5.9
15.1
5.9
5.9
5.9
5.9
15.1
8.
2
8.
2
16.
7
0.
8
0.
8
0.
8
10.
4
0 0
0.
8
0.
8
16.7
8.2
8.2
5.9
6.0
5.9
5.9
5.9
6.0
5.9
5.9 5.9
5.9 5.9
0
5.9
15.1
5.9
5.9
5.9
15.1
5. 9
5.9
5.9
15.1
0
5.9
5.9
5.9 4.2
7.0 7.0
15.1
0
5.9
5.9 5.9
15.1
5.6
5.9
5.9
5.6
6.0
5.9
5.9
15.1
0
1.9 0
0
0
0
0
0
5.9
0
15.1
5.8
5.8
6.0
5.9
14.5 14.5 15.1
13.8
5.9
5.9
15.1
5.9
0
0
0
3.2
3.2
0
0
0
0
0
3.2 9.9
3.9
0
3.2
3.2
3.2
3.2
3.2
0
0
0 0
3.2
0
0
0
0
1.4
1.2
3.2
3.2
3.2
1.6
0
0
1.6
3.2
0
3.2
0
1.6
0
5.9 15.2
WH
RE
GP2/DO
GP3/WSO
GP4/BCKO
SHTCB
NC
D–
D+
V DD I
VssI
VssE
V
DD
E
NC
VssX
XTAL1
XTAL2
V
DD
X
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GP1/DI
SDA
SCL
GP5/WSI
NC
GP0/BCKI
RTCB
TC
VOUTL
V
DD
O
VssO
VOUTR
V DD A
VssA
Vref
NC
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
TOP VIEW
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
GP2/DO
GP3/WSO
GP4/BCKO
SHTCB
NC
D–
D+
V DD I
VssI
VssE
V
DD
E
NC
VssX
XTAL1
XTAL2
V
DD
X
I/O
I/O
I/O
I
O
O
O
∗
1
∗
1
∗
1
∗
2
Unconnected
Negative
Positive
Power supply
Ground
Ground
Power supply
Unconnected
Ground
Input
Output
Power supply
Data line of the differential
data bus common to the
USB-standard.
(for digital core)
(for digital I/O)
(for Crystal oscillator)
(for OPE-AMP.)
(for analog)
∗
1
Serial data (I 2 C-Bus)
Serial clock (I 2 C-Bus)
∗
1
Unconnected
∗
1
∗
2
∗
2
Lch Output voltage
Power supply
Ground
Rch output voltrage
Power supply
Ground
Reference Voltage
Unconnected
GP1/DI
SDA
SCL
GP5/WSI
NC
GP0/BCKI
RTCB
TC
VOUTL
V
DD
O
VssO
VOUTR
V
DD
A
VssA
Vref
NC
No. No. Name I/O I/O Function Function Name
NOTE)
∗
1 : Normally unconnected.
∗
2 : Normally connected to ground.
18
Vref
3rd-ORDER
NOISE SHAPER
REFERENCE VOLTAGE
VARIABLE HOLD REGISTER
LEFT DAC
OSC TIMING
RIGHT DAC
FOR DIGITAL I/O
FOR DIGITAL CORE
FIFO REGISTERS
UP-SAMPLE FILTER
USB-PROCESSOR
ANALOG FRONT-END
AUDIO FEATURE
PROCESSING DSP
SAMPLE
FREQUENCY
GENERATOR
MICRO-
CONTROLLER
DIGITAL I/O
fs
fs
64fs
128fs
7 6
D+ D–
+
–
+
–
29
27
32
1
2
3
16
15
14
13
24
V
DD
X
XTAL2
XTAL1
VssX
VOUTL
TEST
CONTROL
BLOCK
4
20
25
GP5/WSI
GP0/BCKI
GP1/DI
GP2/DO
GP3/WSO
GP4/BCKO
SHTCB
RTCB
TC
30
11
10
31
SCL
SDA
FOR ANALOG
20
19
V
DD
A
VssA
9
8
V DD E
VssE
VssI
V DD I
FOR OPE-AMP
23
21
22
V
DD
O
VOUTR
VssO
only
A0
A1
A2
Vss
1
2
3
4
Vcc
WP
SCL
SDA
8
7
6
5
TOP VIEW
1
2
3
4
8
7
6
5
A0
A1
A2
Vss
O
I/O
∗
1
∗
1
∗
1
Ground
Power supply
∗
2
Serial clock (I 2 C-Bus)
Serial data (I 2 C-Bus)
Vcc
WP
SCL
SDA
No. No. Name I/O I/O Function Function Name
NOTE)
∗
1 : Normally connected to ground.
∗
2 : Normally connected to power supply.
4 8 7
5 6
I/O
CONTROL
LOGIC
MEMORY
CONTROL
LOGIC
XDEC
EEPROM
ARRAY
PAGE LATCHES
HV GENERATOR
YDEC
SENSE AMP
R/W CONTROL
Vss Vcc
SDA SCL
WP
IC202: M24C02-W-BN6
2k 2.5V CMOS Serial
Electrically Erasable PROM
(EEPROM)
YST-MS35D
YST-MS35D only
13
Vcc
3
Vcc
A1
A2 INV.
A3
A4 INV.
4 INPUT1
STAND-BY
5 INPUT2–
12 INPUT3
11 INPUT4–
6
SVR
8
PW-GND
9
S-GND
+
-
1 OUT1
2 OUT2
15 OUT3
14 OUT4
19 CLIP DET
+
-
+
-
+
-
7
1
2
15
IC201: UDA1321PS/N101
Universal Serial Bus (USB)
Digital-to-Analog Converter (DAC)