41
CX-3311
5
6
7
8
5
6
7
8
A
B
C
D
E
F
GNDAU1
VCC5_AU
PGND3
VD8_A
Check 8: Is AVCC5 voltage OK?
VD8
VCC5_AU (= 5.0 V )
Fig 8.1: Power supply configuration
<Check> Playback DVD-REF-A1 TITLE 1 and check the voltage at the stylus.
Check the “PGND_3 and GNDAU1” test point at the reference.
No.
Check point
Module No.
Specification value
Unit
1
VD8_A - PGND_3
ALL
8.0 ± 0.4
V
2
VCC5_AU - GNDAU1
ALL
5.0 ± 0.05
V
Side A
Fig 8.2: VD8, AVCC5 voltage check points
IC1801
Audio-DAC
IC1003
Regulator IC
for AVCC 5 V