Onkyo SWA-155-X Service manual

SERVICE MANUAL
SERVICE MANUAL
Powered sub-woofer with built-in 6ch amplifier
MODEL SWA-155X
SWA-155X
Ref. No. 3752
092002
Black and Silver models
DT,DS GQ,GT
120V AC, 50/60Hz 230-240V AC, 50Hz
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER.
SPECIFICATIONS
■ SWA-155X (subwoofer)
INPUT: RCA L/R/C/SL/SR/ subwoofer (500 mV/47 k Ω )
AMPLIFIER SECTION
Power output Front: 15 W x 2 (6 Ω /EIAJ)
Total harmonic distortion: 0.1% (Output: 5 W) Signal-to-noise ratio: 100 dB (STEREO: IHF A 0.5 V input)
SPEAKER SECTION
Type: J’DRIVE system, 16 cm OMF cone
GENERAL
Power supply AC 120 V, 60 Hz
Power consumption: 65 W Power consumption (Max.): 135 W Dimensions (W x H x D):185 mm x 299 mm x 312 mm Weight: 8 kg Others: Magnetic shielding (EIAJ)
Center: 15 W (6 Ω /EIAJ) Surround: 15 W x 2 (6 Ω /EIAJ) Subwoofer: 25 W (3 Ω /EIAJ) Front: 11 W x 2 (6 Ω /DIN) Center: 11 W (6 Ω /DIN) Surround: 11 W x 2 (6 Ω /DIN) Subwoofer: 20 W (3 Ω /DIN)
AC 220–230 V, 50/60 Hz AC 230–240 V, 50 Hz
SWA-155X
P ANEL VIEW
Subwoofer SWA-155X (front panel)
SWA-155X
Subwoofer SWA-155X (rear panel)
Cooling fan
This fan starts rotating when the output exceeds a certain threshold to release the heat inside the subwoofer.
FRONT SPEAKERS connectors
Connect the D-M7 front L/R speakers to the L/R connectors and the D-M3 center speaker to the C connector.
POWERED SUBWOOFER
FRONT SPEAKERS
L
C
R
SURROUND SPEAKERS
L
R
POWER
-
SWA
155X
POWER indicator
Lights up green when the power is turned on.
SUBWOOFER CONTROL
POWERED SUBWOOFER SYSTEM
SWA-155X
jack
Connect this jack to the PDR-155 SUBWOOFER CONTROL jack.
SUBWOOFER CONTROL
MULTI CH INPUT
FRONT
R
L
SURROUND
SUBWOOFER
CENTER
MULTI CH INPUT jacks
Connect these jacks to the PDR-155 MULTI CH OUT­PUT jacks.
SURROUND SPEAKERS connectors
Connect the D-M3 left/right surround speakers here.
Power cable
SWA-155X
A
EXPLODED VIEW
1
2
3
A14
P901
A8
S5
S7
S8
BCDE
S9
S1
S10
S6
S3
A10
A8
S11
A9
A5
A12
A13
A4
S5
A7
A16
A6
S5
A11
T901
U5
A6
A3
A2
U1
A6
A7
A1
A15
S5
A2
A3
F901
U4
U3
A6
S2
S4
SWA-155
4
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