Daewoo DSC-34W70N Manuel de service télécharger pdf (Page 18)

Troubleshooting charts

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No Sound

(NTSC Signal)

Check audio signal of IA1.

Video1 : L to #44, R to #46

Video2 : L to #2, R to #4

Video3 : L to #8, R to #10

AV Signal

RF Signal

Check the audio base-band signal to SIF of TU01.

Check audio signal of UC102.

-SIF to #67 -RF main L/R to #36, 37

Check audio signal of IA1.

-RF main L/R to #9, 11

-RF sub Mono to #25, 26

Check audio signal of IA1.

-Main L/R to #33, 32

-Sub L/R to #18, 16 (for the sub picture of PIP)

Check audio signal of UC102.

-Main L/R to #47, 48

(for RF and external audio 1,2,3)

-Sub L/R to #56, 57 (for Headphone L/R out)

Check DTV L/R of UC102.

-L/R to #53, 54

No Sound

(DTV Signal)

Check L/R out of UC102.

L/R/C to #28, and 27

Check C out of UC103

C to #34

Check SL/SR/Woofer out of UC102.

SL/SR/W to #25, 24, and 27

Check Headphone L/R out of UC102.

L/R to #34 and 33

Check the volume control of

headphone to IA4.

Check audio Amp (I601).

L/R/C In to #1, 2, and 4

L/R/C Out to #12, 11, and 8

Check DVDL/R of UC102.

-L/R to #50, 51

No Sound

(DVD Signal)

END

Check Headphone L/R out of IA03

L/R to #7 and 1

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Daewoo DSC-34W70N Manuel de service Page 18

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