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Stereo Amplifier
Pioneer
RS-A9/EW
manual
A Amp Unit, C D E F
Models:
RS-A9/EW
1
46
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128 pages
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Specs
Parts list
Block Diagram
Circuit Symbol and No
Systemreset
Disassembly
Audio Unit Adjustment
Setting Example
Service Precaution
Switch Pcb
Page 46
Image 46
A
B
1
2
A
AMP UNIT
A-a
3
4
C
D
E
F
A
46
2
1
RS-A9/EW
3
4
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Page 46
Image 46
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Page 47
Contents
CRT3232
RS-A9/EW
SAFETY INFORMATION
Service Precaution
CONTENTS
GENERAL
1. SPECIFICATIONS
POWER AMP
BDSP/PREAMP
RS-A9/EW
A B C D E F
2.1 PACKING
2. EXPLODED VIEWS AND PARTS LIST
Mark No
Part No
Language
Description
2.2 EXTERIOR
Part No
Mark No
Description
Description
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
RS-A9/EW
RS-A9/EW
RS-A9/EW
3.2 AMP UNITGUIDE PAGE
Guide page
RS-A9/EW
PCB CONTROL C CN201 RS-A9/EW
16dBs
CN901
RS-A9/EW
14dBs
FU1902
AMP UNIT
CEK1139
PCB CONTROL C
5 CN901 6
RS-A9/EW
CEK1139 > FU1903
5 6 7
3.3 DSP UNITDACGUIDE PAGE
B1/2
B-a 1/2
B 2/2
B 2/2
B-b 1/2
B 1/2
B 1/2
RS-A9/EW
B-b 1/2
B-a 1/2
C CN308
B 2/2
B-b 1/2
B-a 1/2
B 2/2
UNITDACDSP
B-b 1/2
B 1/2
opposition
B-b 1/2
RS-A9/EW
3.4 DSP UNITDSPGUIDE PAGE
B2/2
B-a 2/2
B 1/2
B 2/2
B-b 2/2
B 2/2
B 1/2
RS-A9/EW
B-b 2/2
B-a 2/2
B 1/2
B-a 2/2
B-b 2/2
RS-A9/EW
B 2/2
B-b 2/2
For JTAG
BUNITDSP DSP
DSP2 LOGIC
B-b 2/2
RS-A9/EW
DSP1 LOGIC
D CN
3.5 CONTROL UNITGUIDE PAGE
RS-A9/EW
RS-A9/EW
USB PCB
C-b1
C-aE F H
IPIN PCB
Ach PCB
C-a G H
H IPOUT PCB
PCB SW
CONTROLPCB
CN2281
RS-A9/EW
3.6 SWITCH PCB
SWITCH PCB
RS-A9/EW
A B C D E F
A AMP UNIT
NOTE FOR PCB DIAGRAMS
SIDE A
AMP UNIT
RS-A9/EW
SIDE A
C CN901
RS-A9/EW
C CN201
CN901
RS-A9/EW
C D E F
A AMP UNIT
RS-A9/EW
SIDE B
RS-A9/EW
EUNIT AMP
RS-A9/EW
SIDE B
RS-A9/EW
RS-A9/EW
4.2 DSP UNITGUIDE PAGE
B DSP UNIT
RS-A9/EW
C CN101
SIDE A
IC,Q
CN308
EUNIT DSP
CN601
RS-A9/EW
CN601
BA-a B-b
SIDE A
C CN801
CN101
RS-A9/EW
CN801
RS-A9/EW
IC,Q
B DSP UNIT
RS-A9/EW
SIDE B
RS-A9/EW
DSP UNIT
RS-A9/EW
RS-A9/EW
SIDE
RS-A9/EW
RS-A9/EW
4.3 CONTROL PCBGUIDE PAGE
CONTROL PCB
I CN501
N513
H CN511
J CN503
CN509
EPCB CONTROL
CN513
CN507
CN3201
CN1102
CN1904
CN401
CN503
CN2401
CN505
CN501
CN1102
CN2281
CN2401
RS-A9/EW
IC,Q
C CONTROL PCB
RS-A9/EW
SIDE B
RS-A9/EW
CONTROL PCB
RS-A9/EW
RS-A9/EW
SIDE B
RS-A9/EW
RS-A9/EW
D SWITCH PCB
4.4 SWITCH PCB
AD SWITCH PCB
SIDE A
E USB PCB
4.5 USB PCB AND IPIN PCB
E USB PCB USB
F IPIN PCB IP-BUSIN
Ach OPT IN1
4.6 Ach PCB AND IPOUT PCB
G Ach PCB
H IPOUT PCB
I SW PCB
4.7 SW PCB AND LOW PCB
I SW PCB SW OPT-OUT
J LOW PCB LOW OPT-OUT
MID OPT-OUT
4.8 MID PCB
K MID PCB
K MID PCB
Chip Resistor RS1/_S___J,RS1/__S___J
5. ELECTRICAL PARTS LIST
Unit Number:CWH1264 Unit Name:Amp Unit
Chip Capacitor except for CQS
Part No
Circuit Symbol and No
Circuit Symbol and No
Part No
RS-A9/EW
Unit Number:CWX3066
Unit Name:DSP Unit
RS-A9/EW
1234
RS-A9/EW
RN1/16SC47R0D
RS-A9/EW
6.2 AUDIO UNIT ADJUSTMENT
RS-A7/EW
RS-A9/EW
RS-A7/EW
RS-A9/EW
RS-A9/EW
RS-A9/EW
CKSRYB104K16
CDEFGHIJK
Unit Number:CWM9586 Unit Name:Control Unit
1234
RS-A9/EW
RS-A9/EW
RS-A9/EW
6. ADJUSTMENT
6.1 AMP UNIT ADJUSTMENT
RS-A9/EW
TEST POINT
SIDE A SIDE B
6.2 DSP UNIT ADJUSTMENT
RS-A9/EW
Connecting Diagram for DSP Unit Offset Voltage
Master Clock
RS-A9/EW
TEST POINT
SIDE A
7. GENERAL INFORMATION
7.1.1 DISASSEMBLY
7.1 DIAGNOSIS
DSP/Control Unit Case
Removingthe Case Fig.4
Fig.4
Page
7.1.3 CONNECTOR FUNCTION DESCRIPTION
RS-A9/EW
1 2 3 4 5 6 7 8 9 10 11 12 13 14
7.2 IC
RS-A9/EW
RS-A9/EW
OUTY
RS-A9/EW
TC7SZU04FU
SM5849BF
Page
RS-A9/EW
NJM79L18UA
NJM78L18UA
S-80827CNUA-B8M
S-812C33AMC-C2N
Page
BUS+
SDOUT CLR LDAC FSIN
DGND IOUT2C
IOUT1C RFB C VREF C IOUT2D IOUT1D RFB D VREF D
28 27 26 25 24 23 22 21 20 19 18 17 16 15
Pin Functions PD5952A
Pin No
SYSTEMRESET
7.3 OPERATIONAL FLOW CHART
Main loop
8. OPERATIONS
Setting Example
Example of 2-waysystem connection with 1 RS-A9
Connection Diagram
RS-A9/EW
A B C D E F
Test Disc : YEDS-7
Jigs list
RS-A9/EW
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