Sony PRS-505/SC Service Manual - Page 29
IC101, AK4365VN-L, IC203, TC74LCX138FK EL, K
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• IC Block Diagrams - MAIN Board - IC101 AK4365VN-L MCKO PLLVCC VCOC PLLGND MOUT HPR HPL 28 27 26 25 CS 1 CDTI 2 CCLK 3 SERIAL INTERFACE LRCK 4 BICK 5 SDATA 6 DVDD 7 AUDIO INTERFACE PLL MCLK ATT + ATT ATT D/A CONVERTER (L-ch) D/A CONVERTER (MONO) D/A CONVERTER (R-ch) 8 9 10 11 24 23 22 + HEADPHONE AMP + BUFFER AMP + HEADPHONE AMP VCOM VREF 12 13 14 21 HPGND 20 HPVCC 19 MUTET 18 VCOM 17 VREF 16 AVDD 15 AGND DGND MCKI RSTN SMODE MIN LIN RIN IC203 TC74LCX138FK (EL, K) A1 B2 C3 16 VCC 15 Y0 14 Y1 13 Y2 12 Y3 11 Y4 10 Y5 9 Y6 G2A 4 G2B 5 G1 6 Y7 7 GND 8 PRS-505 29
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PRS-505
29
•
IC Block Diagrams
– MAIN Board –
IC101
AK4365VN-L
IC203
TC74LCX138FK (EL, K)
G2B
G2A
G1
C
B
A
Y7
GND
Y6
Y5
Y4
Y3
Y2
Y1
Y0
VCC
1
2
3
4
5
6
7
8
15
16
14
13
12
11
10
9
2
1
CDTI
3
CCLK
CS
5
4
BICK
6
SDATA
7
DVDD
LRCK
SERIAL
INTERFACE
MCLK
PLL
AUDIO
INTERFACE
ATT
D/A
CONVERTER
(L-ch)
D/A
CONVERTER
(MONO)
D/A
CONVERTER
(R-ch)
+
ATT
ATT
9
MCKI
12
MIN
13
LIN
14
RIN
8
DGND
10
RSTN
11
SMODE
+
+
+
HEADPHONE
AMP
BUFFER
AMP
HEADPHONE
AMP
26
VCOC
25
PLLGND
27
PLLVCC
28
MCKO
24
MOUT
23
HPR
22
HPL
VCOM
18 VCOM
VREF
17 VREF
16 AVDD
15 AGND
21 HPGND
20 HPVCC
19 MUTET