Yamaha J-3000 Service Manual Page 83

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CB501
CB502
CB503
CB504
CB505
CB506
CB507
CB508
IC502
IC505 IC508 IC510
IC511
IC507
IC503
IC501
IC504
IC504
IC506
IC509
CB510
CB509
CB511
A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JK
L MN
YSP-3000/YSP-30D/HTY-7030
83
All voltages are measured with a 10M/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.
AMP
CENTER
WOOFER L
SURROUNDFRONT
3.3
0
3.3
3.3
3.3
1.5
1.5
0.8
1.7
1.7
0
3.3
3.3
3.3
1.5
1.3
0.8
1.7
1.7
0
0
0
0
3.3
3.3
3.3
0
0
0
3.3
4.4
4.9
5.1
5.0
5.1
5.0
5.1
5.0
5.1
5.0
3.3
0
0
0.2
0
0.2
0
0.2
0
0.2
0
0
4.9
0
5.0
5.0
2.4
0
0
4.8
5.0
0
0
5.1 4.9
5.1
5.0
5.1
5.0
5.1
5.0
5.1
5.0
5.1
5.1
0
0
3.3
0
4.9
4.9
3.3
1.7
0
3.3
2.1
3.3
0.2
1.5
1.5
0.8
0
0
1.7
1.7
4.9
1.7
2.3
2.2
3.2
3.3
3.3
2.4
0
4.9
0.2
0
5.0
0
0
0
0.2
0
0.2
0
0.2
4.9
0
5.0
5.0
5.0
3.3
0
5.0
5.1
5.0
5.1
0.7
0
5.0
5.0
5.0
0.2
0
0.2
0
0.2
0
0.2
0
0.2
4.9
0
2.4
0
0
0
2.4
0
3.3
0
0
0.2
0
0.2
0
0.2
0
0.2
0
0
4.9
0
5.0
5.0
2.4
0
4.8
5.0
0
0
0
0
4.9
4.9
3.3
1.7
0
3.3
2.1
3.3
0.2
1.5
1.5
0.8
0
0
1.7
1.7
4.9
2.6
2.2
2.1
3.2
3.3
3.3
2.4
0
4.9
0.2
0
4.9
0
0
0
0.2
0
0
0.2
4.9
0
5.0
3.3
3.3
0.2
0
5.0
5.0
5.0
0.2
0
0.2
0
0.2
0
0.2
0
0.2
4.9
0
2.4
0
0
0
2.4
0
3.3
0
0
0.2
0
0.2
0
0.2
0
0.2
0
0
4.9
0
5.0
5.0
2.4
0
4.8
5.0
0
0
0
0
4.9
4.9
3.3
1.7
0
3.3
2.1
3.3
0.2
1.5
1.5
0.8
0
0
1.7
1.7
4.9
2.7
2.1
2.0
3.2
3.3
3.3
4.9
5.1
5.0
5.1
5.0
5.1
2.4
0
4.9
0.2
0
0
0
5.0
0
0.2
0
0.2
0
0.2
4.9
0
5.0
3.3
5.0
3.3
0.2
0
5.0
5.0
5.0
0.2
0
0.2
0
0.2
0
0.2
0
0.2
4.9
0
2.4
0
0
0
2.4
0
3.3
0.1
0.1
5.0
0
0
5.0
12.1
2.4
2.5
0.7
12.1
0
0
5.0
5.0
5.0
0
0
0
5.0
0.1
5.0
10.1
0.7
4.7
3.3
12.0
5.0
2.9
0
0
10.0
7.0
5.0
12.1
0
0.6
1.9
4.2
5.0
0.7
0
0
0
0
0
0.7
12.1
3.3
12.1
0
2.5
5.0
0
0.1
12.1
0
0
0
0
0
0.7
5.0
7.0 7.0
0
2.9
5.0
6.9
5.0
5.0
12.1
12.1
4.7
3.3
12.0
5.0
2.9
0
0
10.0
7.0
5.0
12.1
0
0.6
1.9
4.2
5.0
0.7
0
2.9
5.0
6.9
5.0
5.0
12.1
12.1
4.7
3.3
12.0
5.0
2.9
0
0
10.0
7.0
5.0
12.1
0
0.6
1.9
4.2
5.0
0.7
7.0 7.0
0
2.9
5.0
6.9
5.0
5.0
12.1
12.1
3.3
0.1
0.1
5.0
0
0
5.0
0
0
5.0
0
5.0
12.1
0.7
0
0
0
0
0
0.7
12.1
3.3
12.1
0
2.5
5.0
0
12.1
2.4
2.5
0.1
12.1
0
0
0
0
0
0.7
12.1
5.0
0
5.0
5.0
0
5.0
0.7
5.0
5.0
B-3
IC501: TC74LCX541FT
Low voltage octal bus buffer with 5-V tolerant inputs and outputs
A1
A2
A3
A4
A5
A6
A7
A8
1
2
3
4
5
6
GND
OE1
OE2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Vcc
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1
2
3
NC
IN A
GND
4
5
OUT Y
V
CC
A
L
H
Y
H
L
IC502: TC7SHU04FU
Inverter
IC505, 508, 510: L6732TR
Adjustable step-down controller with synchronous rectification
+
+
Vcc=4.5V-14V
Vin=1.8V-14V
V
OUT
14
VCCDR
LGATE
PGND
GND
BOOT
HGATE
PHASE
OCH
OSC
PGOOD
1
2
3
13
12
11
10
9
6
7
8
SYNCH
FB
E/A
PWM
0.6V
COMP
SS
Monitor
Protection and Ref
EAREF
OCL
4
5
15
16
LDO
+
IC506, 509: YDA138-EZE-2
Digital audio power amplifier
IC503, 507, 511: YDA141-SZ
Sound projector
POINT B-3 XL501 (Pin 48 of IC503)
/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 576MHz
WCK fs=32/44 /48k*2
Fixed
SO is bus connected by /CS.
IRQ terminals are connected in
daisy chain, forming an OR circuit.
TI/DSP
SA_DSP
Beam & NoiseShaper
DIR
For DAC monitor
To be modified if there are many SDC latches
8ch D4
DAC & PDD Amp
CH_A~H
DAC-I,J
Microprocessor interface complies with EVE.
Quarts Crystal circuit
Microprocessor
Bus connected to
microprocessor
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
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
D/A Converter
and
Digital AMP.
7 ch output
D/A Converter
and
Digital AMP.
7 ch output
D/A Converter
and
Digital AMP.
7 ch output
to DSP_CB8
Page 80
L5
to POWER (1)_CB504
Page 85
L3
DRIVER
WOOFER L
DRIVER
WOOFER R
Page view 82
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