SA-RV900 — Sony Audio Service Manual (repair manual)

Model
SA-RV900
Pages
8
Size
506.71 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
sa-rv900.pdf
Date

View Sony SA-RV900 Service Manual online

1
SA-RV900
SERVICE MANUAL
ACTIVE SUBWOOFER
SPECIFICATION
Ver 1.0  2002.08
9-873-962-01
2002H0200-1
© 2002. 08
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
System
Type
Active Subwoofer (magnetically shielded design)
Speaker unit
Woofer: 15 cm dia, cone type
Amplifier section
The following measured at AC 120, 220, 240 V, 50/60 Hz
DIN power output (rated) 90 W at 100 Hz, DIN
Continuous RMS power output (reference) 120 W
at 100 Hz, 10 % THD
Reproduction frequency range
20 Hz – 150 Hz
Phase selector NORMAL, REVERSE
Inputs
Input jacks
LINE IN: input pin jack
SPEAKER IN: input terminals
Output jacks
SPEAKER OUT: output terminals
General
Power requirements
Mexican models: 120 V AC, 60 Hz
Australian models: 230-240 V AC, 50 Hz
Other models: 120 V, 220 V or 230-240 V AC, 50/60 Hz
Adjustable with voltage selector
Power consumption
100 W
Dimensions
Approx. 210 x 325 x 370 mm (w/h/d)
Mass
8.5 kg
Supplied accessories
Foot pads (4)
Audio connecting cord
(1 phono plug – 1 phono plug) (1)
Speaker cords (2)
Design and specifications are subject to change without notice.
E Model
Australian Model
2
SA-RV900
TABLE OF CONTENTS
1. GENERAL
.......................................................................... 3
2. DIAGRAMS
........................................................................ 3
2-1. IC Block Diagram ................................................................. 3
2-2. Printed Wiring Board ............................................................ 4
2-3. Schematic Diagram ............................................................... 5
3. EXPLODED VIEW
........................................................... 6
4. ELECTRICAL  PARTS LIST
......................................... 6
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 
0
 OR DOTTED LINE WITH
MARK 
0
 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
3
3
SA-RV900
SECTION 1
GENERAL
• Location of controls
SECTION 2
DIAGRAMS
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted.  pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 
1
/
4
 
W or less unless otherwise
specified.
• C : panel designation.
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
: Pattern from the side which enables seeing.
: B+ Line.
: B– Line.
• Voltages are dc with respect to ground under no-signal con-
ditions.
no mark : Power on
• Voltages are taken with a VOM (Input impedance 10MΩ).
Voltage variations may be noted due to normal preduction
tolerances.
• Signal path.
K
: AUDIO
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
Note:
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
• Abbreviation
E2
: Central and South America model
E3
: Middle and Near East model
E51 : Chilean and Peruvian model
SP
: Singapore model
MX
: Mexican model
AUS : Australia model
ON/OFF 
SUBWOOFER
ON/OFF
POWER ON/OFF
indicator
LINE IN
SPEAKER IN
SPEAKER OUT
VOLTAGE SELECTOR
(E2,E3,E51,SP model only)
LINE IN
VOL
REVERSE
PHASE
NORMAL
VOL
PHASE
SPEAKER
IN
L
R
SPEAKER
OUT
L
R
120V
220V
230 - 240V
VOLTAGE SELECTOR
  – Front view  –
  – Rear view  –
2-1.  IC BLOCK DIAGRAMS
IC201
NJM2072D (MAIN BOARD)
1
2
3
4
8
7
6
5
GND
AMP OUT
GAIN CONT
INPUT
VCC
OUTPUT2
OUTPUT1
RECOVERY
TIME CAP
4
4
SA-RV900
2-2. PRINTED WIRING BOARD
SW301
VOLTAGE
SELECTOR
120V
r
220V
r
230-240V
2
3
4
5
6
7
8
9
10
11
A
1
B
C
D
E
F
G
+
+
L
SPEAKER IN
R
+
+
L
SPEAKER OUT
R
SUB WOOFER
1
6
B
C
E
Q201
IC503
R108
R527
R528
R529
R530
R537
R543
R547
R538
R549
R550
C531
C539
C564
C565
C530
R546
Q512
Q513
R539
R532
R534
1
15
C566
C568
C567
C569
C562
C561
C563
C560
R575
R577
R574
CN501
R578
R579
R544
R531
CN502
SP901
LED101
ON/OFF
CNA201
JW502
JW501
JW504
C555
JW503
R533
R576
J101
J102
IC101
IC102
IC201
R101
C101
C103
1
8
1
8
C108
C112
C113
C201
Q511
C116
C117
C114
C115
D103
D104
D105
D106
D201
D202
D203
D204
D208
R129
R130
R214
JW101
JW103
JW104
VR101
VOL
SW101
NORM
REVERSE
PHASE
RCA101
LINE IN
C205
C106
C107
R110
CN101
CN201
JW109
JW107
R139
CNA301
C104
R118
R117
R116
R113
R111
R112
R119
R105
R107
R128
R127
R125
JW111
R109
R124
R123
R138
JW106
JW105
R120
R209
R210
R121
R211
Q204
Q203
Q202
JW102
JW202
R542
R545
R204
R201
R203
R202
R205
R206
R206
R208
C206
C204
C207
C208
C209
C203
C202
C118
C119
JW110
R102
R137
R103
R104
R548
R135
R136
PR102
PR103
D207
D206
D205
D107
D101
D102
D108
1
3
1
1
6
1
8
4
5
1
7
1
2
B C E
B C E
E C B
7
1
2
T301
T302
F301
T303
T304
T305
JW301
CN301
JW303
JW2
JW304
C301
S301
ON/OFF
JW302
JW1
TRANS BOARD  
POWER AMP BOARD  
* NOT REPLACEABLE:
   BUILT IN TRANSFORMER
PT301
POWER TRANSFORMER
*
AC IN
MAIN BOARD  
LED BOARD  
C210
E C B
B C E
B C E
EXCEPT MX
EXCEPT AUS
AUS, MX
AUS
MX
E2, E3, E51, SP
E2, E3, E51, SP
D101
C-9
D102
C-9
D103
F-9
D104
F-9
D105
F-9
D106
F-9
• Semiconductor Location
Ref. No.
Location
D107
C-9
D108
C-9
D201
F-8
D202
F-8
D203
F-8
D204
F-8
D205
F-7
D206
F-7
D207
F-8
D208
F-8
LED101
D-7
IC101
B-9
IC102
B-9
IC201
G-7
IC503
A-3
Q201
F-7
Q202
A-8
Q203
A-8
Q204
A-8
Q511
G-7
Q512
B-4
Q513
B-3
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
Ref. No.
Location
5
5
SA-RV900
2-3. SCHEMATIC DIAGRAM
R135
R136
R137
R124
R102
R103
R104
R123
R125
R101
C202
C203
C205
C114
C115
C112
C113
R109
R107
C103
R111
R112
R113
R116
R117
R118
R119
C104
C108
R120
R121
C539
C565
C564
R528
R529
R530
R537
C555
C563
R531
C562
R539
C561
C560
R538
R546
R534
C531
R543
R544
R545
R547
R578
R579
C567
C568
C569
C566
R533
R527
R532
CN502
R105
R139
R138
C116
C117
R549
R550
R205
LED101
R108
C101
CN201
SW101
CN301
CNA301
T303
T304
S301
R129
R548
Q513
Q512
IC503(1/2)
IC503(2/2)
Q511
IC101(2/2)
IC101(1/2)
IC201
C530
PR102
R574
R576
R130
D103
D104
D105
D106
C118
C119
C207
C208
D201
D202
D203
D204
C201
D206
D205
C206
R575
R577
R204
R203
R202
D207
D101
D102
D107
D108
R110
IC102(2/2)
IC102(1/2)
C106
C107
VR101
R542
R201
F301
C301
PR103
CN101
CN501
SP901
C533
EP503
C204
T301
T302
T305
JW301
JW302
JW1
JW304
JW303
JW2
C210
D208
R206
C209
R207
Q201
Q202
Q204
Q203
R208
R209
R210
R211
SW301
4.7k
4.7k
4.7k
4.7k
100k
100k
100k
100k
4.7k
100k
0.1
1000p
100
16V
3300
50V
3300
50V
220
16V
220
16V
4.7k
10k
4.7
50V
10k
10k
10k
27k
27k
470
220k
0.047
4.7
50V
22k
22k
22
50V
47
25V
47
25V
56k
56k
1.2k
1.2k
0.001
0.0047
56k
0.0047
56k
220p
220p
56k
10k
100
22
50V
33k
33k
8.2k
2.2k
10
10
0.068
0.068
0.068
0.068
1
1k
100
3P
4.7k
4.7k
4.7k
0.1
0.1
22k
22k
4.7k
1.5k
10
50V
2P
6P
6P
4.7k
22k
2SC2785
2SA1175
STK402-070S
STK402-070S
2SC2785
LEVEL
DETECT
NJM4558
NJM4558
NJM2072
LEVEL
DETECT
10
50V
3.5A
250V
0.22
2W
0.22
2W
2.7k
1SS133T
1SS133T
1SS133T
1SS133T
0.01
100V
0.01
100V
0.01
100V
0.01
100V
1SS133T
1SS133T
1SS133T
1SS133T
220
16V
1SS133T
1SS133T
470
10V
0.22
2W
0.22
2W
10
27k
27k
1SS133T
1SS133T
1SS133T
1SS133T
1SS133T
39k
NJM4558
NJM4558
0.33
0.015
20K
15k
4.7k
0.01
250V
3.5A
250V
7P
7P
0.1
EARTH
PLATE
1000
6.3V
0.22
50V
1N4148
220k
0.22
22k
2SC2785
2SC2785
2SC2785
2SA1175
68k
68k
220k
2.7k
*1
R
L
+
+
R
L
+
+
BUILT IN TRANSFORMER
NOT REPLACEABLE:
*
POWER
TRANSFORMER
PT301
1
2
3
8
4
5
6
7
1
2
3
8
4
5
6
7
CH1 IN
NF
GND
SUB
-VCC
PRE
-VE
+VCC
CH1
CH1
PRE
+VCC
+VE
CH1
-VE
+VE
IN
NF
CH2
CH2
-VCC
CH2
CH2
BIAS
(CHASSIS)
SUB WOOFER
ON/OFF
LINE IN
SPEAKER IN
SPEAKER OUT
VOL
REVERSE
NORM
PHASE
INPUT
GAIN
CONT
AMP OUT
GND
VCC
OUT1
RECOVERY
TIME CAP
OUT2
ON/OFF
AC IN
MUTE
MUTE
POWER AMP
POWER AMP
BUFFER AMP
BUFFER AMP
L.P.F
PHASE
*1 F301
1.25A/250V
1.6A/250V
AUS
EXCEPT
AUS
1
7
7
1
VOLTAGE SELECTOR
120V
220V
230-240V
EXCEPT MX
AUS
AUS,MX
E2,E3,E51,SP
EXCEPT
AUS
MX
POWER OFF MUTE
Q201-204
E2,E3,E51,SP

Download Sony SA-RV900 Service Manual (Repair Manual)

Here you can view online or download Sony SA-RV900 Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sony SA-RV900 Audio. Information contained in Sony SA-RV900 service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).