PHILIPS DVD580M/001/691
Manual de Servicio

Diagnostic Software, Trouble Shooting and Test Instructions
5.3.6 No Digital Out on Optical and Coaxial

DVD580M

5.

EN 23

No Digital output from optical and Coaxial terminal terminal Go Check point : the user's set up manual Observe : check the audio set-up is in digital output mode Yes Check point : pin 10 of CN501 on AV output board Observe : the +5V is presented . Yes Check point : R23 at pin 118 of Ess60x8 Observe : check is the R23 opened. No Check point : CN1at decoder board and CN501 on AV output board Observe : check is any poor contact between CN1 and CN51. No Check point : the copper trace between pin 118 of ESS60x8 to SPDIF at pin 8 of CN1. Observe : check is there any opened trace or poor soldering. Solution : check the output at pin 41of ESS60x8. If no signal from pin 41, change the IC of ESS60x8
CL 26532085-065.eps 180702

.

No

Solution : change the set up

No

Solution : check the 5V supply source from decoder board.

Yes

Solution : Replace R23

Yes

Solution : Replace the connector assembly

No

Figure 5-6 5.3.7 No Digital Out on Optical

No Signal output from Optical terminal but Coaxial output is normal

Go Yes Check point : the R503 on AV output board Observe : check if the resistor is opened Solution : replace the resistor

No Solution : replace the Optical output assembly set
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Figure 5-7