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Sony SA-F21 Service Manual
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Sony SA-F21 Service Manual

Active speaker system
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SERVICE MANUAL
AUDIO POWER SPECIFICATIONS: (US model only)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 4 ohm loads, both channels driven, from 40–
20000 Hz; rated 12 watts per channel minimum
RMS power, with no more than 1 % total
harmonic distortion from 200 milli watts to rated
output.
Satellite speakers (SS-MS21)
Speaker system
Full range, antimagnetic
speaker
8 cm ( 3
1
Speaker unit
/
Enclosure type
Bass reflex
Rated impedance
4 ohms
Power handling capacity
Maximum input power
30 W
Sensitivity level
79 dB (1 W, 1 m)
Frequency range
150 to 20,000 Hz
Dimensions (approx.)
90 × 200 × 64 mm (3
× 2
7
5
7
/
8
including projecting parts
Mass (approx.)
630 g (1 lb. 6 oz.)/piece
SA-WMS21
SPECIFICATIONS
in.), cone type
4
×
5
/
8
/
in.) (w/h/d)
8
SA-F21
SS-MS21
Subwoofer system (SA-WMS21)
Speaker system
Active subwoofer,
antimagnetic
1
Speaker unit
13 cm (5
woofer, dual voice coil
Enclosure type
Bass reflex
Reproduction frequency range
40 to 150 Hz
Power Output
15 W × 2
Satellite speaker
Subwoofer
15 W + 15 W
Input jack
INPUT
Pin jack
Output jack
SPEAKER IMP 4 Ω
Speaker jack
HEADPHONES
Stereo mini jack
General
Power requirements
120 V AC, 60 Hz (US, Canadian models)
220 – 230 V AC, 50/60 Hz (Singapore model)
Power consumption
55 W (US, Canadian models)
60 W (Singapore model)
Dimensions (approx.)
190 × 266 × 375 mm (7
× 14
1
10
/
2
including projecting parts
Mass (approx.)
7.0 kg (15 lb. 7 oz.)
Design and specifications are subject to change
without notice.
ACTIVE SPEAKER SYSTEM
US Model
Canadian Model
Singapore Model
/
in.), cone type
8
×
1
/
2
7
/
in.) (w/h/d)
8

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Summary of Contents for Sony SA-F21

  • Page 1 SA-F21 SERVICE MANUAL US Model Canadian Model Singapore Model SA-WMS21 SS-MS21 SPECIFICATIONS Subwoofer system (SA-WMS21) AUDIO POWER SPECIFICATIONS: (US model only) Speaker system Active subwoofer, POWER OUTPUT AND TOTAL HARMONIC antimagnetic DISTORTION: Speaker unit 13 cm (5 in.), cone type With 4 ohm loads, both channels driven, from 40–...
  • Page 2 OPERATION. REPLACE THESE COMPONENTS WITH DE FONCTIONNEMENT. NE REMPLACER CES COM- SONY PARTS WHOSE PART NUMBERS APPEAR AS POSANTS QUE PAR DES PIÈCES SONY DONT LES SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- NUMÉROS SONT DONNÉS DANS CE MANUEL OU LISHED BY SONY.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Section Title Page GENERAL ............BLOCK DIAGRAMS 2-1. Overall Block Diagram ..........2-1 2-2. Audio/control Block Diagram ........2-3 2-3. Power Block Diagram ............ 2-5 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 3-1. Circuit Boards Location ..........3-2 3-2.

  • Page 4: General

    ?/1 (power) on the Connect the SA-F21 in the same way as the DVP- , The plugs and jacks are dirty. and, if not installed and used in accordance with the If there seems to be no improvement, locate the subwoofer.

  • Page 5: Block Diagrams

    SA-F21 SECTION 2 BLOCK DIAGRAMS 2-1. OVERALL BLOCK DIAGRAM MAIN BOARD JACK BOARD (SEE PAGE 3-7) (SEE PAGE 3-8) IC601 J601 HEADPHONES HEADPHONE IC107 IC101 IC109 IC301 POWER BOARD SPEAKER TERMINAL BOARD IC102 (SEE PAGE 3-15) (SEE PAGE 3-16) PJ101...

  • Page 6: Audio/Control Block Diagram

    SA-F21 2-2. AUDIO/CONTROL BLOCK DIAGRAM JACK BOARD IC601 MAIN BOARD (SEE PAGE 3-8) HEADPHONE AMP (SEE PAGE 3-7) CN101 CN601 HP L J601 HEADPHONES HP R MUTE Q602 Q601 Q604 Q603 MUTE MUTE MUTE MUTE MUTE IC101 SPEAKER TERMINAL BOARD...

  • Page 7: Power Block Diagram

    SA-F21 2-3. POWER BLOCK DIAGRAM SUB TRANSFORMER BOARD CONTROL BOARD IC802 (SEE PAGE 3-7) (SEE PAGE 3-11) IC501 +5V REG. CN806 CN805 D811 D816 D815 D814 CN102 +VCC SYSTEM CN804 T802 CONTROL IC103 D812 POWER TRANS D810 IC504 IC502 RESET...

  • Page 8: Printed Wiring Boards And Schematic Diagrams

    SA-F21 SECTION 3 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS For schematic diagram: THIS NOTE IS COMMON FOR PRINTED WIRING • Caution when replacing chip parts. BOARDS AND SCHEMATIC DIAGRAMS. New parts must be attached after removal of chip. (In addition to this, the necessary note is printed Be careful not to heat the minus side of tantalum capacitor, in each block.)

  • Page 9: Circuit Boards Location

    SA-F21 3-1. CIRCUIT BOARDS LOCATION POWER board SPEAKER TERMINAL board MAIN board CONTROL board SUB TRANSFORMER board JACK board...

  • Page 10: Frame Schematic Diagram

    SA-F21 3-2. FRAME SCHEMATIC DIAGRAM SA-WMS21 SPEAKER POWER BOARD MAIN BOARD TERMINAL PJ101 BOARD INPUT CN802 CN301 CN305 CN302 TM305 SS-MS21 CONTROL BOARD +VSS +VSS L COLD L COLD SS-78 L HOT L HOT L-CH -VSS -VSS R COLD R COLD...

  • Page 11: Printed Wiring Boards And Schematic Diagrams

    SA-F21 There are a few cases that the part isn't mounted in this model is printed on this diagram. 3-3. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS MAIN, JACK, SUB TRANSFORMER PRINTED WIRING BOARDS – Ref. No. : MAIN board, JACK board, SUB TRANSFORMER board; 1,000 series –...

  • Page 12: Main, Jack, Sub Transformer Schematic Diagram

    SA-F21 MAIN, JACK, SUB TRANSFORMER SCHEMATIC DIAGRAM – Ref. No. : MAIN board, JACK board, SUB TRANSFORMER board; 1,000 series – JACK BOARD MAIN BOARD IC601 HEADPHONE AMP C111 IC601(1/2) C611 NJM4556AD C602 Q604 R609 C605 CN101 CN601 100u 2SC3326 4.7k...

  • Page 13: Control Printed Wiring Board

    SA-F21 CONTROL PRINTED WIRING BOARD – Ref. No. : CONTROL board; 1,000 series – There are a few cases that the part isn't mounted in this model is printed on this diagram. • Waveform 1 IC501 0 4.24 Vp-p CONTROL BOARD...

  • Page 14: Control Schematic Diagram

    SA-F21 CONTROL SCHEMATIC DIAGRAM – Ref. No. : CONTROL board; 1,000 series – R525 4.7k CONTROL BOARD IC503 SIGNAL PATH NJL64H400A R523 R524 R526 4.7k 2.2k 4.7k IC503 AUDIO SIGNAL REMOTE R527 S502 CONTROL S501 4.7k C501 RECEIVER MODE 0.1u...

  • Page 15: Power, Speaker Terminal Printed Wiring Boards

    SA-F21 POWER, SPEAKER TERMINAL PRINTED WIRING BOARDS – Ref. No. : POWER board, SPEAKER TERMINAL board; 1,000 series – There are a few cases that the part isn't mounted in this model is printed on this diagram. POWER BOARD (11)

  • Page 16: Power, Speaker Terminal Schematic Diagram

    SA-F21 POWER, SPEAKER TERMINAL SCHEMATIC DIAGRAM – Ref. No. : POWER board, SPEAKER TERMINAL board; 1,000 series – IC301 POWER BOARD TDA7264 Q301,303,305 Q301 RELAY DTC124EK CONTROL IC301 C311 POWER AMP R405 220u CN308 MAIN BOARD CN808 (SEE PAGE 3-8)

  • Page 17: Repair Parts List

    SA-F21 SECTION 4 REPAIR PARTS LIST 4-1. EXPLODED VIEWS The components identified by mark 0 or dotted line with mark 0 are critical for safety. NOTE: Replace only with part number speci- • The mechanical parts with no reference number in •...

  • Page 18: Ss-Ms21

    Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3952-073-1 GRILLE (S) ASSY 3-072-121-01 CASE, FRONT 3-072-124-01 SONY BADGE A-6062-694-A CASE (S) BLOCK ASSY, REAR 3-072-127-01 +P TAPPING SCREW 3.5X16 CZN SP201 1-544-990-11 SPEAKER (8 cm)

  • Page 19: Electrical Parts List

    CONTROL 4-2. ELECTRICAL PARTS LIST NOTE: The components identified by • Due to standardization, replacements in the • Items marked “*” are not stocked since they mark 0 or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 20 CONTROL JACK MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R518 1-216-829-11 METAL CHIP 4.7K 1/16W C111 1-124-903-11 ELECT R519 1-216-833-11 METAL CHIP 1/16W C112 1-162-927-11 CERAMIC CHIP 100PF R520 1-216-833-11 METAL CHIP 1/16W C113 1-126-963-11 ELECT 4.7uF R521...
  • Page 21 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C253 1-126-963-11 ELECT 4.7uF < FUSE > C254 1-126-963-11 ELECT 4.7uF C255 1-162-919-11 CERAMIC CHIP 22PF 0 F801 1-532-389-31 FUSE, GLASS CYLINDERICAL C601 1-162-919-11 CERAMIC CHIP 22PF (T500mAL/250V) (Singapore) 0 F801 1-533-540-11 FUSE, GLASS CYLINDERICAL (1.25A/250V)
  • Page 22 MAIN POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R122 1-216-801-11 METAL CHIP 1/16W R803 1-249-429-11 CARBON 1/4W R123 1-216-845-11 METAL CHIP 100K 1/16W R805 1-249-386-11 CARBON 1/6W R124 1-216-845-11 METAL CHIP 100K 1/16W R125 1-216-833-11 METAL CHIP 1/16W R806...
  • Page 23 POWER SUB TRANSFOMER SPEAKER TERMINAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark SPEAKER TERMINAL BOARD < IC > *********************** (Ref.No.1,000 Series) IC301 8-759-250-68 IC TDA7264 IC401 8-759-250-68 IC TDA7264 < DIODE > < TRANSISTOR > D301 8-719-991-33 DIODE 1SS133T-77 Q301...
  • Page 24 SA-F21 Sony Corporation 2001I0500-1 9-929-713-11 Home Video Company C 2001. 9 – 42 – Published by Quality Assurance Dept.

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