Philips DVD 580M, Service Manual, Page: 23 / 60

Diagnostic Software, Trouble Shooting and Test Instructions
EN 23 DVD580M 5.
5.3.6 No Digital Out on Optical and Coaxial
Figure 5-6
5.3.7 No Digital Out on Optical
Figure 5-7
No Digital output from optical and Coaxial terminal terminal
Check point : the user's set up manual
Observe : check the audio set-up is in digital output mode .
Solution : change the set up
Go
No
Solution : Replace R23
Solution : check the 5V supply
source from decoder board.
Solution : Replace the connector
assembly
Check point : pin 10 of CN501 on AV output board
Observe : the +5V is presented .
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.
Check point : CN1at decoder board and CN501 on AV output
board
Observe : check is any poor contact between CN1 and CN51.
Check point : R23 at pin 118 of Ess60x8
Observe : check is the R23 opened.
No
Yes
No
Yes
Yes
Yes
No
Solution : check the output at pin
41of ESS60x8. If no signal from pin 41,
change the IC of ESS60x8
No
CL 26532085-065.eps
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No Signal output from Optical terminal but
Coaxial output is normal
Check point : the R503 on AV output board
Observe : check if the resistor is opened
Solution : replace the resistor
Go
Yes
Solution : replace the Optical output assembly set
No
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