Sony PRS-500 Service Manual page 27

• IC Block Diagrams
– MAIN Board –
IC101 AK4365VN-L
AGND
15
AVDD
16
VREF
17
VCOM
18
MUTET
19
Head Phone
HPVCC
20
HPGND
21
Head Phone
22
14 13
VREF
MINL
VCOM
LIN
Amp
LINM
Buffer amp
RINM
Amp
RIN
25
23 24
IC1112, IC1113 SN74LVC244APWR
2A1
11
1Y4
12
2A2 13
1Y3
14
2A3
15
1Y2
16
2A4
17
1Y1
18
2OE 19
VCC 20
11
12 10
MCLK
MINR
DACL
DAC
ATT
(Lch)
DACM
DAC
ATT
(Mono)
DACR
DAC
ATT
(Rch)
27
26
PRS-500
9
8
PLL
7 DVDD
6 SDATA
5 BICK
Audio
Interface
4 LRCK
3 CCLK
Serial I/F
2 CDTI
1 CS
28
GND
10
2Y1
9
1A4
8
7 2Y2
1A3
6
2Y3
5
1A2
4
3 2Y4
1A1
2
1 1OE
27