Infinity TSS-SUB4000 Manual do Utilizador descarregar pdf (Página 12)

TSS-Sub4000 Testing Flow Chart

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Start

Dc voltage check

±Vcc,±15V

O

K

Check transformer

C168,C169,D123,

D124,C170

Power on check

LED red &blue

O

K

Check vol module

& connector

cable& ±15V.ect

Check THD output

power, noise

O

K

Check pre board

& power board ,

±Vcc,±15V ect

Test frequency

Response

O

K

Check U102,R124,

C

104,R125,C117.ect

Test input sensitivity

O

K

Check U101,R117,

R

112,R114 ect

Test protection

O

K

Check U107.R237

±15Vcc ect

Test limiter circuit

O

K

Check U106.Q107ect

Auto off Function

Hi pot test

O

K

Check U103.Q101.

Q102.C131.R142;Ac

cord, Transformer.

O

K

Listening test

O

K

The Amp ass’y ok

END

Test phase sw,low

pass sw rabos vr

Check sw103,102,

R158,163,177 ect

TSS-SUB4000

11

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 31 32

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