Philips DVDR3355 Service Manual page 14

EN 14 5.
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5.2.4 Audio No Sound (Playback)
Upgrade Software & Repair Chart
Check Test Point
I603, I604, I605, I609 = square pulse
OK
Check Test Point
I613 = 11.2V –12V
I624 = 3.3V
I615 = high
OK
Monitor Test Point
I618 & I620 = 1KHz 2Vrms Sine Wave
OK
Monitor Test Point
I616 & I617 = 3.3V
OK
Monitor Test Point
I600 = -5V (high)
OK
Monitor Test Point
F603 = <0.6V (low)
OK
Monitor Test Point
I601 = 5V (high)
OK
Monitor Test Point
F451 = 5V (high)
OK
Monitor Test Point
I419 = >0.6V (high)