Pioneer BDP-440 Service Manual page 18

1
2.7 MAIN BOARD ASSY (7/10) : AUDIO DAC
A
3.3V
FB25 FB25
120/200mA 120/200mA
120/200mA 120/200mA
FB26 FB26
B
5
AMUTE
C
D
E
F
A
7/10F
18
1
2
59MA?
11
50MA? 14
+ +
3.3V
GND GND
R283 R283 10K 10K
R284 R284 NC/4.7K NC/4.7K
R285 R285 4.7K 4.7K
A A M M U U T T E E
<CONSTRAINT_CLASS>
AOMCLK
AOBCK
AOLRCK
AOSDATA3
AOSDATA3
5
12
15
GND
CVBS
AMUTE R626 R626
2
3
U15 U15
16
VDD VEE
2
CP
CVDD
1
CN
8 10
DIF AOUTL
3 9
SMUTE AOUTR
4
MCLK
5
BICK
7
LRCK
6
SDTI
13
VSS1 VREFH
VSS2
C309 C309
AK4430ET AK4430ET
TSSOP16 TSSOP16
2.2uF/10V/Y5V 2.2uF/10V/Y5V
GND
L453 L453 1.8uH/50mA 1.8uH/50mA
5
R618 R618
C623 C623 C622 C622
75/1% 75/1%
47pF/50V/NP0 47pF/50V/NP0 47pF/50V/NP0 47pF/50V/NP0
VCC_D
R619 R619
R620 R620 1K 1K
2.2K 2.2K Q50 Q50
NPN_3DG3904M NPN_3DG3904M
BDP-440
3
4
GND
R310 R310 470 470
GND GND
R311 R311 470 470
GND
GND
R617 R617 0 0 CVBS0
D608 D608
CE607 CE607
470uF/16V/NC 470uF/16V/NC LVSL10180Z020/18V/2pF LVSL10180Z020/18V/2pF
MUTE
Q218 Q218
PNP_3CG3906M PNP_3CG3906M
100K 100K
4
LOUT1
ROUT1