Yamaha A-S701, Руководство по обслуживанию

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J I H G F E D C B A
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33
A-S701
INPUT SELECTOR
Multi2 SL/SR/C/SW IN2
SL,SR
IN14
IN15
CD Direct IN
Multi1
SBL,SBR IN
M
ut
e
Zone2 L,R
SUB2 L,R SUB2 L,R
SUB2 OUT
(REC4
と同端子 )
Multi1
SL,SR IN
C,SW
C,SW OUT 0dB
CD Direct R ± OUT
INL/R 14(SL/SR IN2)
→
CD L
±
INL/R 15(SW/C IN2)
→
CD R
±
SBL,SBR OUT 0dB
SBL,SBR SBL,SBR SBL,SBR
LOUDNESS
L,R OUT
FL,FR FL,FR
FL,FR OUT 0dB
TONE
VOL L,R OUT
(SL/SR IN2
→
CD L
±
, SW/C IN2
→
CD R
±
)
CD L
±
CD R
±
VOL L,R
Zone2 L,R
PURE Direct
min
Volume
(+24dB 〜 -95dB/0.5dBstep)
VOL IC
CD Direct
-
+
-
+
VOL L,R OUT
LOUDNESS
L,R
LOUDNESS
素子
CD
PHONO
EQ AMP EQ AMP
IC601
NJM2068MD-TE2
IC301
PCM9211PTR
IC103
RY101
RY102
RY103
Q126
IC1
IC401
RY1
D24
Q507
Q2
SW101
D111
D14
IC302, IC309
IC306
IC305
Q6
Q7
Q128
Q136
SW501
100
NJM4580E(TE2)
LINE2 IN
OUT
(REC)
(REC)
LINE3 IN
OUT
＋
−
LINE1
OPTICAL
COAXIAL
Digital
HEAD PHONE
SP A Lch
SP B Lch
SP A Rch
SP B Rch
POWER AMP
HEAD PHONE
MUTE
MUTE
SUBWOOFER
OUT
LPF
MICROPROCESSOR
I / DC / THERMAL PROTECTION
SPEAKER
RELAY
OPERATION
IR REMOTE
29.0dB
HEAD PHONE
RELAY
A
B
L+R
MOTOR DRIVEN
VOLUME
(A-Sx01)
M
DRIVER
+5MTR
(+5V)
MOTOR DRIVEN
VOLUME
(A-Sx01)
M
DRIVER
+5MTR
(+5V)
−
＋
−
＋
B
A
L CH
SPEAKER OUT
90Hz/12dB oct
POWER
MANAGEMENT POWER
MANAGEMENT
A/D
SERIA
L
DATA
SERIAL
DATA
A/D
SERIAL DATA
A/D
P
A
R
A
LL
E
L
−
＋
−
＋
B
A
R CH
Logic
0dB
REC L,R (Main L,R) 0d
B
REC L,R (Main L,R) 0d
B
SL,SR OUT 0dB
IMPEDANCE SELECTOR
+B
-B
VOLTAGE SELECTOR [R]
+5M +5M
U-COM
IR RECEIVER
STBY IN
D
+7V
-7V
POWER AMP
SELECTOR
SELECTOR
POWER SUPPLY PROTECTION
POWER RELAY
110-120
220-240
+5V +5V
SUB TRANSFORMER
MAIN TRANSFOMER
A/D
POWER RELAY
DC OUT
for YBA-11+5V /500mA
DIR
DAC
DIR
AC IN
/DAC Digital
･･
･
･･
･
･･
･
REC OUT suppression REC OUT suppression
+5S +5S
CD Direct/ Phono EQ/SW PREOUT AMP
CD Direct/ Phono EQ/SW PREOUT AMP
HP DETECTION
Main L,R
OPTICAL/M-VOL DRIVER
+3.3D +3.3D
+3.3A
DAC Analog
(A-S301
〜
701)
-12dB
-6dB
16.5dB
TUNER
YD953A0
YG398A0
IC502
Volume
Operation Key
IR Unit
110-120
・
220-
240V/50
・
60Hz
XL301
39 40
24.576MHz
IC402
IC303
PCM5101APWR
CD DIRECT AMP BAL
→
UNBAL
UNBAL
→
BAL
6dB
CD DirectL ± or
Zone2 L,R OUT
DISPLAY
+5T
TUNER
Zone2 L,R
Zone2
L,R
2ch
VOL IC
• See page 53
→
SCHEMA TIC
DIAGRAM
DIGITAL
• See page 58-59
→
SCHEMA TIC DIA GRAM
MAIN
• See page 58-59
→
SCHEMA TIC DIA GRAM
MAIN
• See page 54-55
→
SCHEMA TIC DIA GRAM
FUNCTION
• See page 56-57
→
SCHEMA TIC DIA GRAM
OPERATION
■
BLOCK DIAGRAM