Service manual

RX-V559/HTR-5950/DSP-AX559
52
RX-V559/HTR-5950/
DSP-AX559
IC56 : LC89057W-VF4-E (DSP P.C.B)
Digital Audio Interface Transceiver
Input
Selector
Cbit, Ubit
Data
Selector
PLL
1/N
Modulation
&
Parallel Port
Demodulation
&
Lock Detect
Microcontroller
I/F
EMPHA/UO
Clock
Selector
36 35 34 33 32 31 30 29 28 27 26 25
RERR INT CKST AUDIO/VO EMPHA/UO DGND DVDD XIN XOUT XMCK DVDD DGND
1 2 3 4 5 6 7 8 9 10 11 12
RXOUT
*RX0
RX1 RX2 RX3
DGND
DVDD
*RX4
RX5/VI
*RX6/UI
DVDD
DGND
37
38
39
40
41
42
43
44
45
46
47
48
24
23
22
21
20
19
18
17
16
15
14
13
SDIN
SLRCK
SBCK
R DATA
RLRCK
DVDD
DGND
RBCK
RMCK
AGND
AVDD
LPF
DO
DI
CE
CL
XMODE
DGND
DVDD
TMCK/PIO0
TBCK/PIO1
TLRCK/PIO2
TDATA/PIO3
TXO/PIOE
LC89057W-VF4-E
*: Pull-down resistor internal
1
RXOUT
2
RX0
3
RX1
4
RX2
5
RX3
8
RX4
9
RX5/VI
10
RX6/UI
13
LPF
44
TMCK/PIO0
45
TBCK/PIO1
46
TLRCK/PIO2
47
TDATA/PIO3
48
32
AUDIO/VO
33
TXO/PIOEN
37
DO
24
SDIN
36
RERR
INT
35
CL
40
CE
39
XMODE CI
38
CKST
34
XMCK
27
XIN
29
XOUT
28
41
21
RDATA
16
RMCK
17
RBCK
20
RLRCK
22
SBCK
23
SLRCK