Sven SPS-820 Manual de usuario

SERVICE MANUAL SAMPLE

SPS-820

3

2. SPECIFICATIONS

TECHNICALSPECIFICATION:

OUTPUT POWER SUB-WOOFER 35 RMS THD 0.7%)

FRONT 15W+15W RMS THD 0.7%)

CENTER 15W RMS THD 0.7%)

SURROUND 15W+15W RMS THD 0.7%)

SUB WOOFER IMPEDANCE 8 OHM

FRONT/CENTER/SURROUND 4 OHM

FREQUENCE RESPONSE 50Hz-20KHz

SEPARATION 40dB

S/N RATIO 80dB

DIMENSION

SUB WOOFER W170*D355*H260mm

FRONT/CENTER/SURROUND W97*D135*H155mm

SERVICE MANUAL

4. CONNECTINGTO EQUIPMENT

5

SERVICE MANUAL

L. R.

L.

R.

~220V 50Hz

TROUBLE SHOOTING AND RESOLUTION

3

5. TROUBLESHOOTING GUIDE

5

SERVICE MANUAL

No sound

check whether the vice-level I

alternating voltage13v*2 of

thransformer is ok or not.

replace the

transformer

check whether thecurrent

transfer output voltsD.Cisok

or not.

check whether the

capacitor C3C8

are ok or not.

NOT

NOT

OK

1

judge whether JRC4558,

TOA7275,TDA2030A,are

ok or not

NOT

OK

replace it

Check the speakers

ok or not

NOT

OK

Replace it

Error Possible reason Obivating

No sound

The power plug is not exactly inserted.

The connection of output and input is not well

The input format is not right

The volume control be settled in the minimum

Rest estate

Insert the plug in right place

Connect the output and input

cables

Adjust the volume

2dried machine

check whether thepower switch isall right ornot. replace the it

check whether thereis 220V alternating

current of thetransformer in elementary.

check the plug,power

buttonare all rightor not.

BURNED OUT

OK

NOT

12

SERVICE MANUAL

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