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SERVICE MANUAL
System
Type
Active Subwoofer (magnetically shielded design)
Speaker unit
Woofer: 30 cm dia., cone type
Continuous RMS output
European model (DIN) (0.7%): 300 W
Other models (50 Hz) (0.8%): 250 W
Reproduction frequency range
20 Hz - 120 Hz
High frequency cut-off frequency
50 Hz - 120 Hz
Phase selector
NORMAL, REVERSE
Inputs
Input jacks
LINE IN: input pin jack
SPEAKER IN: input terminals
Output jacks
LINE OUT: output pin jack
SPEAKER OUT: output terminals
SA-WX90
SPECIFICATIONS
General
Power requirements
European model: 220 - 230 V AC, 50/60 Hz
Other models: 220 - 240 V AC, 50/60 Hz
Power consumption
European model: 125 W
Other models: 110 W
Dimensions
Approx. 420 x 450 x 540 mm (w/h/d)
Mass
36 kg
Supplied accessories
Audio connecting cord
(1 phono plug - 1 phono plug) (1)
Speaker cords (2)
Design and specifications are subject to change without
notice.
AEP Model
UK Model
E Model
ACTIVE SUBWOOFER
1
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Summary of Contents for Sony SA-WX90
- Page 1 LINE IN: input pin jack SPEAKER IN: input terminals Output jacks LINE OUT: output pin jack SPEAKER OUT: output terminals SA-WX90 SPECIFICATIONS General Power requirements European model: 220 - 230 V AC, 50/60 Hz Other models: 220 - 240 V AC, 50/60 Hz...
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Page 2: Table Of Contents
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 PUB- LISHED BY SONY. -
Page 3: General
SECTION 1 GENERAL • Location of controls – Front View (a part) – POWER POWER indicator – Upper View (a part) – LEVEL CUT OFF FREQ PHASE NORMAL REVERSE 50Hz 120Hz LEVEL PHASE CUT OFF FREQ – Rear View (a part) – LINE LINE OUT SPEAKER... -
Page 4: Printed Wiring Board
SA-WX90 2-2. PRINTED WIRING BOARD MAIN BOARD • Semiconductor Location (Main Board) Ref. No. Location Ref. No. Location D501 IC501 D502 IC502 D503 IC505 D504 IC506 D505 IC507 D506 IC601 D507 IC602 D508 D509 Q501 D510 Q502 D601 Q503 D602... -
Page 5: Schematic Diagram
SA-WX90 2-3. SCHEMATIC DIAGRAM The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. -
Page 6: Exploded View
SECTION 3 EXPLODED VIEW NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one. delay should be anticipated when ordering •... - Page 7 Ref. No. Part No. Description C619 1-130-495-00 MYLAR 0.1uF C620 1-162-294-31 CERAMIC 0.001uF C621 1-130-491-00 MYLAR 0.047uF C623 1-130-483-00 MYLAR 0.01uF C809 1-104-666-11 ELECT 220uF C810 1-104-666-11 ELECT 220uF C811 1-126-964-11 ELECT 10uF C812 1-126-964-11 ELECT 10uF C813 1-126-964-11 ELECT 10uF C814 1-126-964-11 ELECT...
- Page 8 MAIN POWER (IC) Ref. No. Part No. Description R533 1-247-903-00 CARBON R534 1-249-429-11 CARBON R535 1-249-441-11 CARBON 100K R536 1-249-429-11 CARBON R537 1-249-417-11 CARBON R538 1-247-895-00 CARBON 470K R539 1-249-417-11 CARBON R540 1-247-883-00 CARBON 150K R541 1-247-903-00 CARBON R542 1-249-441-11 CARBON 100K R543 1-249-441-11 CARBON...
- Page 9 Ref. No. Part No. Description < RESISTOR > R612 1-249-422-11 CARBON 2.7K R613 1-249-417-11 CARBON R614 1-249-411-11 CARBON 0 R622 1-217-151-00 METAL 0.22 0 R623 1-217-151-00 METAL 0.22 0 R624 1-217-151-00 METAL 0.22 0 R625 1-217-151-00 METAL 0.22 R813 1-249-437-11 CARBON R814 1-249-441-11 CARBON 100K...
- Page 10 SA-WX90 Ref. No. Part No. Description MISCELLANEOUS *************** 0 10 1-751-520-11 CORD, POWER D801 8-719-082-51 DIODE MP154 M801 1-763-072-11 FAN, D.C. SP601 1-529-721-11 SPEAKER (30cm) 0 T801 1-435-772-11 TRANSFORMER, POWER 0 T851 1-435-781-11 TRANSFORMER, POWER ************************************************************** ACCESSORIES & PACKING MATERIALS...