Yamaha YSP-4100, Service Manual

Page: 95 / 135

A
1 2 3 4 5 6 7 8 9
10
BCD
E
F
G
H
I
J
K
L
MN
95
DAMP 1/2
YSP-4100/YSP-5100
★
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。
CB2
IC202
IC201
IC101
IC102
IC253
IC251
IC1 IC5 IC2
CB1
CB110
CB120 CB210 CB220
CB5
IC3
IC4
W3 W4
0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
3.4 3.4 0 1.7 0
1.8
0
1.7 1.7
0
1.3 1.3 0.7 1.3
0
3.1
3.2 3.4 3.4 3.3 3.3
3.3
0
3.2 0 0
3.4 1.7
0
0
1.7 1.8
3.4 1.8
0
0
1.6 1.7
1.7
0
1.7 1.7 1.7 1.3 1.3 1.3 1.3
0
0.7 0.7 1.3 1.3 3.1 3.2 3.4
0 0
3.3 3.3 3.3 3.2 3.2
0 0 0
1.7 1.7 1.7 1.7 1.3 1.3 1.3 1.3 0.7
0
1.7 1.3 1.3 3.4 3.4 3.4 3.4 0
0
0
3.4
0
3.3
3.4
0 0
1.7 1.7 1.3 1.7 3.4
0
5.0 5.0
0
5.0
0
2.5
2.6
6.2
3.4
3.4
3.4
0
3.4
0
0
0 0
4.5
0
3.4
0
3.4
0
3.4
0
3.4
0
1.8
0
1.7
0
1.2
0
3.4
0
1.7
0 0
3.4 0
0 0 0 3.3 0 0 3.4 3.4 0 3.4 0 2.3 0 1.7 0 1.7 0 1.3 0 0 0 1.3 3.4 0 3.4
0
0 3.4
3.4
3.4
0
0
0
0
0 0
0
12.3
3.4
1.7 1.7 1.7 3.4 3.4
0 0
0 0 0 0 0
1.7 3.4 3.4
3.4
12.3
12.3
2.0
2.0
2.0
0
0
2.0
2.0
2.0
12.3
12.3
12.3
12.3
2.0
2.0
2.0
0
0
2.0
2.0
2.0
12.3
12.3
2.1 2.1
5.0
10.2
12.2
5.0
3.0
0
10.2
7.0
5.0
11.8
6.9 6.9
3.4
4.5
0
0.7
1.9
4.2
5.2
0.8
0
3.0 5.0 6.9
5.0
5.0
12.3 12.3
5.0
10.2
12.2
5.0
3.0
0
10.2
7.0
5.0
11.8
7.0 6.9
3.4
4.5
0
0.7
1.9
4.2
5.0
0.8
0
3.0 5.0 6.9
5.0
5.0
12.3 12.3
0.2
0
5.0
0
0.2
0
0.2
0
5.0
0
0.2
0
0.2
0
5.0
0
0.2 4.9
0
2.4
2.4
0
0.2 0 5.0 0 3.4 0 0
0.2
0 0.2 0 5.0 0
0.2
0 0.2 0 5.0 0
0.2
4.9 0
2.5
0 4.9
2.4
0
4.9
0
0.2
0
5.0
0
0.2
0
0.2
0
5.0
0
0.2
4.9
0
2.4
3.4
4.9
0
4.9
3.4
1.7
0
4.9
3.4
0
3.3
0
3.4
3.4
1.3
1.3
0.7
0
0
1.7
1.7
4.9
2.4
2.4
2.4
0.2
0
5.0
0
0.2
0
0.2
0
5.0
0
0.2
0
0.2
0
5.0
0
0.2 4.9
0
2.4
2.4
0
0.2 0 5.0 0 3.4 0 0
0.2
0 0.2 0 5.0 0
0.2
0 0.2 0 5.0 0
0.2
4.9 0
2.5
0 4.9
2.4
0
4.9
0
0.2
0
5.0
0
0.2
0.2
0
5.0
0
0.2
0
2.4
3.4
3.4
4.9
3.4
1.7
0
4.9
3.4
0
3.3
0
3.4
3.4
1.3
1.3
0.7
0
0
1.7
1.7
4.9
2.4
2.4
12.3 12.3
0 0
5.0
0
F
POINT
F XL1
0
1
(Pin 48 of IC1
0
1
)
FR
ONT
SURR
OUND
CENTER
IC102, 202
: L6732TR
Adjustable step-down controller with synchronous rectification
+
+
–
–
Vcc=4.5V
-1
4V
Vin=1
.8V
-1
4V
V
OUT
14
V
CCDR
LG
A
T
E
PGND GND
BOO
T
HG
A
T
E
PHA
SE
OCH OSC
PGOOD
1 2
3 13 12 11 10
9
6 7
8
S
YNCH
FB
E/A
PWM
0.6V
COMP
SS
Monit
o
r
P
rot
ection
and
R
e
f
EAREF
OCL
4
5
15
16
LDO
+ –
1
G1 A1 A2 A3 A4 A5 A6 A7 A8
GND
Vcc G2 Y8 Y7 Y6 Y5 Y4 Y3 Y2 Y1
2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
IC1, 2, 5
: TC74VHC541FT
Octal bus buffer
IC101, 201
: YDA141-SZ
Sound projector
/IRQ#1
Chip#14
D4-SPJ D4-SPJ
Chip#0
XIN
CLKC CLKC
XIN
/IRQ#14 /IRQ#15
/IRQ#0-
High
SCK
SO
SI
/CS
/IRQO /IRQI
SDO[3:0]
/IRQI
WCK2
BCKO
/IRQO
/IRQI
/CS
SCK
SO
SI
/TEST
PWMSW
DACENABLE[1:0]
TESTOCP TESTOTP MASKOCP MASKOTW DAT[15:0]
WCK2 LT[9:0]
FSHOP[1:0]
GAINA[1:0] GAING[1:0]
ENABLE[7:0]
/OCPO[7:0]
/SPERR[7:0]
AMHOP
SPCHK /UVLC
/CKDET
/OTP /OTW
MASKUVLO
MASKCKDET
MASKOTP
EXT[0:1]
DEGLITCH
/TRIDET
CLKC
CLKC
WCK
MCK
BCK
DSI[3:0]
SCK
SO
SI
/CS
/IRQO
Chip#15
D4_core
Speaker A~H
OUTPC OUTMC
XIN
XOUT
/DISABLE
/ERROUT
O/Dout
/IC
MOD[1:0]
MCK=24 57
6MHz
WCK fs=32/44 /48k*2
Fi
xe
d
SO is b
us connect
ed b
y
/CS
.
IRQ t
e
rm
inals ar
e connect
ed in
dais
y chain, f
o
rming an OR cir
cuit.
TI/DSP
S
A_DSP
Beam and NoiseShaper
DIR
F
or D
A
C monit
or
T
o
be modif
ied if ther
e ar
e man
y SDC latches
8ch D4
D
A
C and PDD
Amp
CH_A~H
D
A
C-I,J
Micr
opr
ocessor int
erf
ace complies with EVE.
Quar
ts Cr
y
s
tal cir
cuit
Micr
opr
ocessor
Bus connect
ed t
o
micr
opr
ocessor
IC253
: YDA147-SZE2
Digital audio power amplifier
Power
Limit
INRP VREF
AVDD
PVDDREG
CKIN
MUTEN
SLEEPN
GAIN1 GAIN0
PLIMIT
NCDRC1 NCDRC0
GAIN0
PLIMIT
AVDD
PVDD
GAIN1
GAIN0
GAIN1
PLIMIT
INRM
Rch Lch
PVDDMR PVSSR PVDDPR
MUTE
SLEEPN
MUTEN
Feed Back Feed Back Feed Back Feed Back
OUTPR OUTMR
PWM Amp
Oscillator
UVLO
Non-Clip
DRC
Control
3.3V
Regulator
VREF/
REF
Level
Shift
Logic
Gain Control
Power Limit
INLP
INLM
PVDDML PVSSL PVDDPL OUTPL OUTML
PWM Amp
Level
Shift
Logic
Gain Control
MUTE
OTP
MUTE
Control
OCP
PROTN CKOUT
1
NC NC NC
NC NC NC SLEEPN PROTN MUTEN CKOUT CKIN NCDRC0 GAIN0 GAIN1 NCDRC1
PVDDML
PVDDML
PVDDPL
PVDDPL
OUTML
OUTML
OUTML
OUTPL
OUTPL
OUTPL
PVSSL
PVSSL
PVDDPR
PVDDPR
OUTPR
OUTPR
OUTPR
PVSSR
PVSSR
OUTMR
OUTMR
OUTMR
PVDDMR
PVDDMR
PVDDREG
AVDD
INLP
INLM INRM INRP VREF AVSS
PLIMIT
2 3 4 5 6 7 8 9 10 11 12
36 35 34 33 32 31 30 29 28 27 26 25
48
47
46
45
44
43
42
41
40
39
38
37
13
14
15
16
17
18
19
20
21
22
23
24
IC3,
4
:
TC7WH04FK
T
riple in
v
e
rt
er
1 2 3 4
8 7 6 5
1A 3Y 2A
GND
V
CC
1Y 3A 2Y
C
ontr
ol
Po
rt
Cloc
k
Divider
A
udio
Da
ta
Int
erf
ace
De-emphasis
C
ontr
o
l
Modulat
o
r
8X
Int
er
polat
or
SCF
LPF
8X
Int
er
polat
or
VDD VSS VCOM AOUTL AOUTR
LRCK
DIF0
ACKS
DEM DIF1
SMUTE
BICK SDTI
RSTN
DZF
Modulat
o
r
SCF
LPF
MCLK
1
2 3 4
5
6 7 8 9
16
15
14 13 12 11 10
IC251
:
AK4388AET
1
92 kHz 24-bit D
A
C
DAMP (1)
No replacement part available.
サービス部品供給なし
No replacement part available.
サービス部品供給なし
No replacement part available.
サービス部品供給なし
DIGITAL AMP.
DIGITAL AMP.
DIGITAL AMP.
DAC
DRIVER
WOOFER (R)
DRIVER x 4
(TWEETER)
to DSP_CB203
P
age 90
M4
to POWER (1)_CB505
P
age 97
K2
to POWER (1)_CB509
P
age 97
K3
to POWER (1)_CB512
P
age 97
K3
to DAMP (2)_CB301
P
age 96
B3
to POWER (1)_CB504
P
age 97
K2