Sony SA-GN10 User manual

SA-GN10
E Model
SERVICE MANUAL
ACTIVE SUBWOOFER
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-877-981-01
2004G0278-1
© 2004.07
SPECIFICATIONS
Ver 1.0 2004.07
System
Type Active Subwoofer (magnetically shielded design)
Speaker unit
Subwoofer: 20 cm dia, cone type
Amplifier section
Continuous RMS output: 150 W (1.0%)
Reproduction frequency range
20 Hz – 200 Hz
High frequency cut-off frequency
50 Hz – 200 Hz
Inputs
Input jacks
LINE IN: input pin jack
General
Power requirements
110 - 120 V or 220 - 240 V, 50/60 Hz
Power consumption
160 W
Dimensions
Approx. 265 x 430 x 400 mm (w/h/d)
Mass 13 kg
Supplied accessories
Foot pads (4)
Audio connecting cord (1 phono – 1 phono), 2 m (1)
Design and specifications are subject to change without notice.
•SA-GN10 is the optional active subwoofer
in MHC-GN90D/GN100D.

2
SA-GN10
Specifications ............................................................................ 1
1. GENERAL
Locating the Controls ...................................................... 3
2. DIAGRAMS
2-1. Printed Wiring Boards – MAIN Section – ...............4
2-2. Printed Wiring Boards – POWER Section – ............5
2-3. Schematic Diagram ..................................................6
3. EXPLODED VIEWS
3-1. Front Section ............................................................7
3-2. Rear Section ............................................................. 8
4. ELECTRICAL PARTS LIST .................................. 9
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE
PARTS LIST ARE CRITICALTO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN INTHIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
TABLE OF CONTENTS

33
SA-GN10
SA-GN10
SECTION 1
GENERAL This section is extracted from
instruction manual.
• LOCATINGTHE CONTROLS
– Front View (a part) –
– RearView (a part) –
INPUT
INPUT
For schematic diagrams.
Note:
•All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or
less are not indicated except for electrolytics and tantalums.
•All resistors are in Ωand 1/4W or less unless otherwise specifed.
•C: panel designation.
Note: The components identified by mark 0or dotted line with
mark 0are critical for safety.
Replace only with part number specified.
•A: B+ Line.
•B: B– Line.
•Voltages are dc with respect to ground under no-signal conditions.
no mark : Power on
•Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
•Signal path.
F: AUDIO
For Printed Wiring Boards:
Note:
•X: parts extracted from the component side.
•: Pattern from the side which enables seeing.
• Circuit Boads Location
POWER SWITCH board
MAIN board
INPUT board
POWER TRANS board
PANEL board
SECTION 2
DIAGRAMS
CUT OFF FREQ
SUBWOOFER LEVEL
MIN MAX
CUT OFF FREQ
SUBWOOFER LEVEL
50Hz 200Hz
Indicator SUBWOOFER ON/OFF
SUBWOOFER ON/OFF

44
SA-GN10
SA-GN10
2-1. PRINTEDWIRING BOARDS –MAIN Section– • See page 3 for Circuit Boards Location.
• Semiconductor
Location
Ref. No. Location
D201 A-9
D303 F-4
D400 C-4
D401 B-2
D601 C-7
D602 C-6
D603 F-7
D604 F-8
D801 C-2
D802 B-3
D803 B-3
D804 C-2
D805 D-2
D821 B-4
D822 C-3
IC301 F-5
IC601 C-7
IC602 D-7
IC603 E-7
Q302 F-3
Q401 C-4
Q402 C-4
Q403 B-5
Q404 C-4
Q601 E-7
Q801 B-4
Q802 C-4
RY400
D801
D802
D803
D804
C805
C806
R805
R806
IC601
IC602
IC603
EP801
R312
Q801
Q802
D821
D822
C807
C808
C809
C810
BC401
IC301
R301
C307
C304
C811
C812
C803
C804
C334
R334
C311
C310
C303
C322
C313
R303
R304
R308
Q302
R302
D303
R330
C801
C802
Q404
Q402
Q403
E
E
E
E
E
Q401
R402
R405
C403
R404
C606
C609
R601
C601
C602
R602
C604
R606
R607
C607
C610
R605
R604
CN601
C608
R610
R614
R615
R616
C612
D603
C615
C613
C614
D400
R306
R318
R603
C605
CN801
D805
R801
R401
D401
R354
R803
R403
R406
R804
R802
C306
C344
C623
C603
D602
D601
R609
R611
R608
C354 C384
JW612
JW101
JW102
JW103
JW104
JW105
JW107
JW108
JW109
JW110
JW111
JW112
JW113
JW114
JW115
JW119
JW121
JW122
JW123
JW124
JW125
JW126
JW127
JW130
JW132
JW134
JW135
JW136
JW138
JW139
JW140
JW141
JW143
JW150
JW151
JW152
JW153
R400
Q601
D604
JW621
JW622
R333
JW146
JW147
JW148
JW149
C401
JW137
R600
R630
R631
JW160
JW161
R619
R618
R617
JW162
JW163
R613
JW164
JW129
JW131
C402
R300
CN602
J201
NO603
11
(11)
1-863-682-
1
1
1
9
11
(11)
1-863-685-
INPUT BOARD
MAIN BOARD
1
4
58
1
4
58
1
4
58
INPUT
SP1
SPEAKER
E
1
6
A
POWER
TRANS
BOARD
(Page 5)
S
113
(CHASSIS)
C611
RV201
RV202
CN201
JW202
R201
D201
JW201
POWER
PANEL BOARD
1
9
11
(11)
1-863-684-
SUBWOOFER LEVEL
CUT OFF FREQ
23 4 5 6 7 8910
A
1
B
C
D
E
F

55
SA-GN10
SA-GN10
2-2. PRINTEDWIRING BOARDS –POWER Section– • See page 3 for Circuit Boards Location.
S501
R501
R502
C501
C501
JW501
JW502
F501
F502
F503
NO501
CN501
CN502
POWER TRANS BOARD
11
(11)
1-687-522-
11
(11)
1-687-519-
POWER SWITCH BOARD
1
1
AC IN
T501
POWER TRANSFORMER
230-240V 110-120V
t
VOLTAGE SELECTOR
1
6
AMAIN
BOARD
(Page 4)
S701
C701
CN701
1
POWER
23 4 5 6 7 8
A
1
B
C
D
E

66
SA-GN10
SA-GN10
2-3. SCHEMATIC DIAGRAM
T501
F501
R501
F502
F503
C501
CN501
CN502
CN701
S701
D604
D603
C612
R616
Q601
R615
R614
C613 R613
R619
R618
R617 C614
R611
C608
JW613
JW612
R610
C607
R638
R608
C606
C605
R607
CN601
CN201
R201
R604
R605
R603 C623
R631
C604
C603
D601
C602
R601
C601
R602
D602
R600
CN602
NO603
J201
R300
C313
C322
R303
C303
R301
R304
C307
C306
C304
R302
C310
C344
R308 R318
R354
R334
C334
R306
D303 R333 R330 C403
R406
Q404
Q403
R404
Q402
R403
C402
R405 C401
D401
R402
R401
R400
BC401
RY400
CN801 NO501
C311
C354
C384
Q802
Q801
C809
C810
D822
D821
R803
C807
C808
R804
C806
C805
R805
R806
C811
C812
D802
D803
D801
D804
C804
C803
D805
R801
R802
C801
C802
EP801
C701
D400
C611
Q401
RV202
RV201
R606
R609
R502
D201
IC601(2/2)
IC601(1/2)
IC603(1/2)
IC602(2/2)
IC603(2/2)
C615
IC602(1/2)
C610
IC301
S501
R312
R630
C609
Q302
MAIN TRANS
2.5A
250V
10
1/4W
4A
250A
4A
250V
0.01
250V
C502
0.01
250V 2P
B2P3-VH
B2P3-VH
MTZJ-5.6B
1SS133T
1
50V
1M
2SK246
4.7k
4.7k
2.2
50V 4.7k
10k
47k
470k 0.01
50V
4.7k
0.068
470k
2.2
50V
220k
470k
0.1
0.1
4.7k
560
10k
10k
470k 220
16V
3.3k
2.2
50V
220
16V
1SS133T
2.2
50V
1k
1000p
50V
470k
1SS133T
10k
1k
2.2
50V
470p
56k
220p
1
1/4W
1.8k
100
25V
100
100V
10
63V
22k
10
100V
47
100V
8.2k 8.2k
10
1/2W
56k
3p
100
1/4W
1SS133T 4.7k 1.5k 220
10V
22k
DTC124ES
2SC2785
100k
2SC2784
100k
330
35V
22k 2.2
50V
1SS133T
56k
12k
1.8k
2W B2P-VH
10
100V
0.1
0.1
2SA1015
2SC1815
10
50V
10
50V
MTZJ-T-72-12B
MTZJ-T-72-12B
2.2k
10
50V
10
50V
2.2k
220
25V
220
25V
100k
100k
0.1
0.1
11ES2N
11ES2N
11ES2N
11ES2N
0.1
100V
0.1
100V
RBV602
100k
1/4W
5%
100k
1/4W
5%
3300
100V
20%
3300
100V
20%
0.01
1SS133T
2.2
50V
2SC2785
20k
20k
10k
10k
10
1/4W
SEL5423E
NJM4558D
NJM4558D
NJM4558D
NJM4558D
NJM4558D
2.2
50V
NJM4558D
2.2
50V
STK-404-140S
POWER AMP
0.22X2
5W
12k
0.47
2SC2785
PROTECTOR
CUT OFF FREQ
POWER
LEVEL
INPUT
POWER
VOLTAGE SELECTOR
220-240V
110-120V
SPEAKER
SP1
1
2
3
4
5
67
8
1
2
3
4
1
2
3
4
5
67
8
5
67
8
AC IN

7
SA-GN10
SECTION 3
EXPLODED VIEWS
NOTE:
•-XX and -X mean standardized parts, so they
may have some difference from the original
one.
•Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
•The mechanical parts with no reference
numberin the explodedviewsarenotsupplied.
•Accessories are given in the last of the
electrical parts list.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
1A-1062-190-A FRONT PANEL ASSY
24-951-620-01 SCREW (2.6X8), +BVTP
34-874-614-02 SCREW (1) (3.5X14), TAPPING
42-022-110-01 KNOB, LEVEL
54-244-832-01 KNOB POWER
SP1 1-825-270-13 SPEAKER (20cm)
The components identified by mark 0or
dotted line with mark 0are critical for safety.
Replace only with part number specified.
3-1. FRONT SECTION
5
2
1
2
4
4
3
not supplied
not supplied
not supplied
SP1
2

8
SA-GN10
3-2. REAR SECTION
51 4-235-677-01 SCREW (4X20) (TYPE1), +BVTP
52 A-1068-390-A MAIN BOARD, COMPLETE
053 1-791-901-12 CORD, POWER
54 3-703-571-11 BUSHING (S) (4516), CORD
0F501 1-533-469-12 FUSE, GLASS TUBE (DIA. 5) (T2.5AL/250V)
0F502 1-533-471-12 FUSE, GLASS TUBE (DIA. 5) (T4AL/250V)
0F503 1-533-471-12 FUSE, GLASS TUBE (DIA. 5) (T4AL/250V)
0T501 1-439-638-12 TRANSFORMER, POWER
#1 7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
#2 7-685-650-79 SCREW +BVTP 3X16 TYPE2 IT-3
#3 7-685-881-09 SCREW +BVTT 4X8 (S)
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
51 51
51
51
51
51
52
#2
#1 #1
#3
#3
F503
T501
#1
#1
#1
not supplied
not supplied
not supplied
not supplied
not supplied
F501
F502
51
51
54 53
The components identified by mark 0or dotted
line with mark 0are critical for safety.
Replace only with part number specified.

9
SA-GN10
SECTION 4
ELECTRICAL PARTS LIST INPUT
NOTE:
•Due to standardization, replacements in the
parts list may be different from the parts
specified in the diagrams or the components
used on the set.
•-XX and -X mean standardized parts, so they
may have some difference from the original
one.
•RESISTORS
All resistors are in ohms.
METAL: Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F: nonflammable
•Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
•CAPACITORS
uF: µF
•COILS
uH: µH
•SEMICONDUCTORS
In each case, u: µ, for example:
uA. . : µA. . uPA. . : µPA. .
uPB. . : µPB. . uPC. . : µPC. .
uPD. . : µPD. .
When indicating parts by reference number,
please include the board name.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
INPUT BOARD
***********
< JACK >
J201 1-815-025-11 JACK, PIN 1P
************************************************************
A-1068-390-A MAIN BOARD, COMPLETE
*********************
< CONNECTOR >
BC401 1-564-320-00 PIN, CONNECTOR (3.96mm PITCH) 2P
< CAPACITOR >
C303 1-102-978-00 CERAMIC 220PF 5% 50V
C304 1-128-582-11 ELECT 10uF 20% 100V
C306 1-128-563-11 ELECT 100uF 20% 100V
C307 1-104-665-11 ELECT 100uF 20% 25V
C310 1-128-582-11 ELECT 10uF 20% 100V
C311 1-128-582-11 ELECT 10uF 20% 100V
C313 1-126-961-11 ELECT 2.2uF 20% 50V
C322 1-128-817-11 CERAMIC 470PF 5% 50V
C334 1-102-936-00 CERAMIC 3PF 0.25PF 50V
C344 1-128-562-11 ELECT 47uF 20% 100V
C354 1-136-165-00 FILM 0.1uF 5% 50V
C384 1-136-165-00 FILM 0.1uF 5% 50V
C401 1-126-961-11 ELECT 2.2uF 20% 50V
C402 1-126-950-11 ELECT 330uF 20% 35V
C403 1-126-923-91 ELECT 220uF 20% 10V
C601 1-162-294-31 CERAMIC 0.001uF 10% 50V
C602 1-126-961-11 ELECT 2.2uF 20% 50V
C603 1-126-934-11 ELECT 220uF 20% 16V
C604 1-126-961-11 ELECT 2.2uF 20% 50V
C605 1-136-165-00 FILM 0.1uF 5% 50V
C606 1-136-165-00 FILM 0.1uF 5% 50V
C607 1-126-961-11 ELECT 2.2uF 20% 50V
C608 1-131-690-31 FILM 0.068uF 5% 50V
C609 1-131-700-31 FILM 0.47uF 5% 50V
C610 1-126-961-11 ELECT 2.2uF 20% 50V
C612 1-126-960-11 ELECT 1uF 20% 50V
C613 1-126-961-11 ELECT 2.2uF 20% 50V
C614 1-162-306-11 CERAMIC 0.01uF 20% 16V
C615 1-126-961-11 ELECT 2.2uF 20% 50V
C623 1-126-934-11 ELECT 220uF 20% 16V
C801 1-127-815-11 ELECT 3300uF 20% 100V
C802 1-127-815-11 ELECT 3300uF 20% 100V
C803 1-130-777-00 MYLAR 0.1uF 5% 100V
C804 1-130-777-00 MYLAR 0.1uF 5% 100V
C805 1-104-666-11 ELECT 220uF 20% 25V
C806 1-104-666-11 ELECT 220uF 20% 25V
C807 1-126-964-11 ELECT 10uF 20% 50V
C808 1-126-964-11 ELECT 10uF 20% 50V
C809 1-126-964-11 ELECT 10uF 20% 50V
C810 1-126-964-11 ELECT 10uF 20% 50V
C811 1-136-165-00 FILM 0.1uF 5% 50V
C812 1-136-165-00 FILM 0.1uF 5% 50V
< CONNECTOR >
CN601 1-691-770-11 PLUG (MICRO CONNECTOR) 8P
*CN602 1-564-704-11 PIN, CONNECTOR (SMALL TYPE) 2P
CN801 1-785-104-11 PIN, CONNECTOR (3.96mm PITCH) 6P
< DIODE >
D303 8-719-991-33 DIODE 1SS133T-77
D400 8-719-991-33 DIODE 1SS133T-77
D401 8-719-991-33 DIODE 1SS133T-77
D601 8-719-991-33 DIODE 1SS133T-77
D602 8-719-991-33 DIODE 1SS133T-77
D603 8-719-991-33 DIODE 1SS133T-77
D604 8-719-109-89 DIODE RD5.6ESB2
D801 8-719-024-99 DIODE 11ES2-NTA2B
D802 8-719-024-99 DIODE 11ES2-NTA2B
D803 8-719-024-99 DIODE 11ES2-NTA2B
D804 8-719-024-99 DIODE 11ES2-NTA2B
D805 8-719-072-05 DIODE RBV-602LF-A
D821 8-719-110-31 DIODE RD12ESB2
D822 8-719-110-31 DIODE RD12ESB2
< EARTH TERMINAL >
EP801 1-537-738-21 TERMINAL, GROUND
< IC >
IC301 6-600-182-01 IC STK404-140S
IC601 8-759-634-51 IC M5218AP
IC602 8-759-634-51 IC M5218AP
IC603 8-759-634-51 IC M5218AP
< TRANSISTOR >
Q302 8-729-119-78 TRANSISTOR 2SC2785-HFE
Q401 8-729-119-78 TRANSISTOR 2SC2785-HFE
Q402 8-729-178-42 TRANSISTOR 2SC2784-F
Q403 8-729-119-78 TRANSISTOR 2SC2785-HFE
MAIN
The components identified by mark 0or
dotted line with mark 0are critical for safety.
Replace only with part number specified.

10
SA-GN10
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
Q404 8-729-029-86 TRANSISTOR DTC124ESA
Q601 8-729-202-67 TRANSISTOR 2SK246-GR3
Q801 8-729-281-53 TRANSISTOR 2SC1815-GR
Q802 8-729-201-53 TRANSISTOR 2SA1015-GR
< RESISTOR >
R300 1-247-831-91 CARBON 1K 5% 1/4W
0R301 1-217-637-00 FUSIBLE 1 5% 1/4W
R302 1-247-863-91 CARBON 22K 5% 1/4W
R303 1-247-873-91 CARBON 56K 5% 1/4W
R304 1-249-420-11 CARBON 1.8K 5% 1/4W
0R306 1-212-881-11 FUSIBLE 100 5% 1/4W
R308 1-249-428-11 CARBON 8.2K 5% 1/4W
0R312 1-234-182-11 ENCAPSULATED COMPONENT
R318 1-249-428-11 CARBON 8.2K 5% 1/4W
R330 1-249-419-11 CARBON 1.5K 5% 1/4W
R333 1-247-847-91 CARBON 4.7K 5% 1/4W
R334 1-247-873-91 CARBON 56K 5% 1/4W
R354 1-260-076-11 CARBON 10 5% 1/2W
0R400 1-216-458-11 METAL OXIDE 1.8K 5% 2W
R401 1-249-430-11 CARBON 12K 5% 1/4W
R402 1-247-873-91 CARBON 56K 5% 1/4W
R403 1-247-879-91 CARBON 100K 5% 1/4W
R404 1-247-879-91 CARBON 100K 5% 1/4W
R405 1-247-863-91 CARBON 22K 5% 1/4W
R406 1-247-863-91 CARBON 22K 5% 1/4W
R600 1-249-429-11 CARBON 10K 5% 1/4W
R601 1-247-831-91 CARBON 1K 5% 1/4W
R602 1-247-895-00 CARBON 470K 5% 1/4W
R603 1-247-847-91 CARBON 4.7K 5% 1/4W
R604 1-249-429-11 CARBON 10K 5% 1/4W
R605 1-249-429-11 CARBON 10K 5% 1/4W
R606 1-249-429-11 CARBON 10K 5% 1/4W
R607 1-249-429-11 CARBON 10K 5% 1/4W
R608 1-247-891-00 CARBON 330K 5% 1/4W
R609 1-249-429-11 CARBON 10K 5% 1/4W
R610 1-247-895-00 CARBON 470K 5% 1/4W
R611 1-247-847-91 CARBON 4.7K 5% 1/4W
R613 1-247-847-91 CARBON 4.7K 5% 1/4W
R614 1-247-847-91 CARBON 4.7K 5% 1/4W
R615 1-247-847-91 CARBON 4.7K 5% 1/4W
R616 1-247-903-00 CARBON 1M 5% 1/4W
R617 1-247-895-00 CARBON 470K 5% 1/4W
R618 1-247-871-91 CARBON 47K 5% 1/4W
R619 1-249-429-11 CARBON 10K 5% 1/4W
R630 1-249-430-11 CARBON 12K 5% 1/4W
R631 1-247-843-11 CARBON 3.3K 5% 1/4W
R801 1-247-879-91 CARBON 100K 5% 1/4W
R802 1-247-879-91 CARBON 100K 5% 1/4W
R803 1-249-421-11 CARBON 2.2K 5% 1/4W
R804 1-249-421-11 CARBON 2.2K 5% 1/4W
R805 1-247-879-91 CARBON 100K 5% 1/4W
R806 1-247-879-91 CARBON 100K 5% 1/4W
< RELAY >
RY400 1-515-920-11 RELAY
************************************************************
PANEL BOARD
*************
< CAPACITOR >
C611 1-126-961-11 ELECT 2.2uF 20% 50V
< CONNECTOR >
*CN201 1-564-524-11 PLUG, CONNECTOR 9P
< DIODE >
D201 8-719-046-43 DIODE SEL5421E-TP15
< RESISTOR >
R201 1-249-414-11 CARBON 560 5% 1/4W
< VARIABLE RESISTOR >
RV201 1-225-483-21 RES, VAR, CARBON 20K
(CUT OFF FREQ)
RV202 1-225-483-21 RES, VAR, CARBON 20K (LEVEL)
************************************************************
POWER SWITCH BOARD
********************
< CAPACITOR >
0C701 1-113-925-11 CERAMIC 0.01uF 20% 250V
< CONNECTOR >
*CN701 1-568-226-11 PIN, CONNECTOR (3.96mm PITCH) 2P
< SWITCH >
0S701 1-572-267-51 SWITCH, PUSH (AC POWER) (1 KEY) (POWER)
************************************************************
POWER TRANS BOARD
*******************
< CAPACITOR >
0C501 1-113-925-11 CERAMIC 0.01uF 20% 250V
0C502 1-113-925-11 CERAMIC 0.01uF 20% 250V
< CONNECTOR >
CN501 1-564-321-00 PIN, CONNECTOR (3.96mm PITCH) 2P
*CN502 1-580-230-11 PIN, CONNECTOR (PC BOARD) 2P
< FUSE HOLDER >
FH501 1-533-399-31 FUSE HOLDER
FH502 1-533-399-31 FUSE HOLDER
FH503 1-533-399-31 FUSE HOLDER
FH551 1-533-399-31 FUSE HOLDER
FH552 1-533-399-31 FUSE HOLDER
FH553 1-533-399-31 FUSE HOLDER
< RESISTOR >
0R501 1-219-153-11 FUSIBLE 10 5% 1/4W
The components identified by mark 0or dotted
line with mark 0are critical for safety.
Replace only with part number specified.
MAIN PANEL POWER SWITCH POWERTRANS