BAL 2
CD L/R
TUNER L/R
LINE1 L/R
LINE2 L/R
LINE2 OUT
PHONO
MC
Head AMP.
MM EQ
AMP.
INPUT SELECTOR
ATT.UINT1 L
PRE OUT
MAIN IN
RY_MM/MC
FLOATING BALANCE
A
B
L CH
A
B
R CH
FLOATING POWER SUPPLY
FLOATING BALANCE
VOLUME
BALANCE
UNBALANCE
POWER TRANSFORMER
BUFFER AMPLIFIER /
UNBALANCE
BALANCE
CONVERTER
INDEPENDENT REGULATED POWER SUPPLY (for AUDIO)
MC Amplifier
MM EQ Amplifier
After Vol Amplifier
(FUNC2)
Input Amplifier
VOLUME1 (Lch)
Sub-transformer
(REC)
VOLUME
INPUT
Selector
BALANCE
BASS
TREBLE
Microprocessor
Control
Protection
POWER SWITCH
SPEAKER OUT
SPEAKER OUT
Front panel
AC IN
FLAT
SP A Lch
SP B Lch
SP A Rch
SP B Rch
BAL 1
L/R
L/R
L/R
L/R
ATT.UINT2 L
ATT.UINT3 L
ATT.UINT1 R
ATT.UINT2 R
ATT.UINT3 R
LOW IMPEDANCE DRIVE
HEADPHONE AMPLIFIER
PHONES
SYSTEM CONNECTOR
TRIGGER
IN
BUFFER AMPLIFIER
FLOATING BALANCE
TONE CONTROL
DISCRETE AMPLIFIER
Hi: 18.6dB
Low and Unbalance: 12.5dB
REC OUT Buffer
Tone Control
Tone Control
POWER RELAY
RY_PWR1
RY_PWR2
D307
R CH
–
+
–
+
R CH
D302
L CH
L CH
±PB
±B
D6
D305
+12C
-12C
+PB
-PB
Relay
Motor Volume
VOLUME2 (Rch)
VOL1 ±18V
VOL2 ±18V
VOL1 ±18V
VOL2 ±18V
LINE1 ±20V
LINE2 ±20V
LINE1 ±20V
LINE2 ±20V
LINE2 ±20V
RY_TCBYP
LINE1 ± 20V
RY_SEL_BAL
LINE1 ± 20V
±PB
± PB
METER
IN
REMOTE
OUT
MC ±18V
MM ±20V
MC±18V
MM ±20V
LINE2 ±20V
±PB
D11
+5M
+5S
+5M
+5M
+5S
Standby Power
Microprocessor/
Logic etc.
RY_SPA
RY_SPB
RY_SPA
RY_SPB
N_HP_DET
MAIN_MT
MAIN_MT
N_REC_MT
N_MT_PRE_
PRV
PRI_R
PRI_L
HPPRDR
HPPRDL
PRTHR
PRTHL
PRDR
PRDL
PRI_R
PRI_L
HPPRDR
HPPRDL
PRTHR
PRTHL
PRDR
PRDL
PSVA1
PSVA2
PSVA1
PSVA2
AMP GAIN: -12.2dB
AMP GAIN: 0.2dB
METER DRIVER
METER
±12C
METER_MT
PK/N_VU
RYB1_PLTY
Phase change
(normal/inv.)
Phase change
(normal/inv.)
RYB2_PLTY
PHONES
TRIM
SPEAKERS
OFF/A/B/A+B
METER
OFF/VU/PEAK
IR
REMOTE
+3.3M
PHONO
MM/MC
MUTE
RY_BAL1_
RY_BAL2_
RY_CD_
RY_TU_
RY_LINE1_
RY_LINE2_
RY_MDIR_
RY_PHONO
IC504
+5M
+5S
IC411
+5M
+3.3M
STBY_CNT
AMP GAIN: 1.58dB
AMP GAIN: 1.58dB
AMP GAIN: 15.9dB
RY_BAL_GAIN
AUTO POWER STANDBY
ON
OFF
Rear panel
ATTENUATOR
BYPASS
ATT.
PHASE
NORMAL
INV.
D335
D301
D334
METER UNIT
reg
reg
METER_MT
METER_ATT
–
–
+
+
–
–
+
+
IC717
IC710
RY801
RY802
RY711
RY712
IC711
IC712
IC713
IC714
IC715
IC718
IC719
IC720
IC721
IC722
IC901
• See page 65, 66
→
SCHEMATIC DIAGRAM
INPUT
• See page 70, 71
→
SCHEMATIC DIAGRAM
FRONT
• See page 70, 71
→
SCHEMATIC DIAGRAM
FRONT
• See page 67, 68
→
SCHEMATIC DIAGRAM
FUNCTION
• See page 69
→
SCHEMATIC DIAGRAM
MAIN
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
42
A-S3000
AUDIO Section Block Diagram
■
BLOCK DIAGRAMS
Содержание A-S3000
Страница 3: ... FRONT PANELS U K A B G L V J models T model 3 A S3000 A S3000 ...
Страница 4: ... REAR PANELS U model K model T model 4 A S3000 A S3000 ...
Страница 5: ...A model B G models L model 5 A S3000 A S3000 ...
Страница 6: ...V model J model 6 A S3000 A S3000 ...
Страница 100: ...MEMO 101 A S3000 A S3000 101 ...
Страница 101: ...A S3000 ...