Sony PRS-505 Service Manual page 29

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• IC Block Diagrams
– MAIN Board –
IC101 AK4365VN-L
28 27
CS 1
SERIAL
CDTI 2
INTERFACE
CCLK 3
LRCK 4
AUDIO
BICK 5
INTERFACE
SDATA 6
DVDD 7
8
TE
L 13942296513
IC203 TC74LCX138FK (EL, K)
A
1
B
2
C
3
4
G2A
www
G2B 5
G1 6
.
Y7 7
GND 8
http://www.xiaoyu163.com
26 25
PLL MCLK
D/A
ATT CONVERTER
(L-ch)
D/A
+
ATT CONVERTER
(MONO)
D/A
ATT CONVERTER
(R-ch)
9 10 11
x ao
y
i
http://www.xiaoyu163.com
8
+ HEADPHONE
AMP
+ BUFFER
AMP
+ HEADPHONE
AMP
VCOM
VREF
12 13 14
Q Q
3 6 7 1 3
16
15
14
13
12
11
10
9
u163
.
2 9 9 4 2 8
24 23 22
21 HPGND
20 HPVCC
19 MUTET
18 VCOM
17 VREF
16 AVDD
15 AGND
1 5 0 5 8 2 9 9 4
VCC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
m
co
PRS-505
9 9
2 8 9 9
29