Denon AVR-789 Service Manual page 62

LC89057W (IC1027)
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DO 37
DI 38
CE 39
CL 40
XMODE 41
DGND 42
TOP VIEW
DVDD 43
TMCK/PIO0 44
TBCK/PIO1 45
TLRCK/PIO2 46
TDATA/PIO3 47
TXO/PIOEN 48
LC89057W Terminal Function
Pin
Pin Name
No.
1 RXOUT
2 RX0
3 RX1
TE
L 13942296513
4 RX2
5 RX3
6 DGND
7 DVDD
8 RX4
9 RX5/VI
10 RX6/UI
11 DVDD
12 DGND
13 LPF
14 AVDD
15 AGND
16 RMCK
17 RBCK
18 DGND
19 DVDD
20 RLRCK
21 RDATA
22 SBCK
23 SLRCK
24 SDIN
25 DGND
26 DVDD
27 XMCK
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24 SDIN
23 SLRCK
22 SBCK
21 RDATA
20 RLRCK
19 DVDD
18 DGND
17 RBCK
16 RMCK
15 AGND
14 AVDD
13 LPF
I/O
O Input bi-phase select data output terminal
I TTL compatible digital data input terminal
I Coaxial compatible amp built-in digital data input terminal
I TTL compatible digital data input terminal
I TTL compatible digital data input terminal
— Digital GND
— Digital power
I TTL compatible digital data input terminal
I TTL compatible digital data/Validity flag input terminal for modulation
I TTL compatible digital data/User data input terminal for modulation
— Digital power for PLL
— Digital GND for PLL
O PLL loop filter connecting terminal
— Analog power for PLL
— Analog GND for PLL
O RMCK clock output terminal (256fs, 512fs, XIN, VCO)
O/I RBCK clock in/output terminal (64fs)
— Digital GND
— Digital power
O/I RLRCK clock in/output terminal (fs)
O Serial audio data output terminal
O SBCK clock output terminal (32fs, 64fs, 128fs)
O SLRCK clock output terminal (fs/2, fs, 2fs)
I Serial audio data input terminal
— Digital GND
— Digital power
O Osc. amp output terminal
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LC89057W Block Diagram
EMPHA/UO
32
RXOUT 1
C bit, U bit
2
RX0
RX1 3
RX2 4
Input
RX3 5
Selector
8
RX4
9
RX5/VI
RX6/UI 10
LPF 13 PLL
44
TMCK/PIO0
Modulation
45
TBCK/PIO1
or
TLRCK/PIO2 46
Parallel Port
TDATA/PIO3 47
TXO/PIOEN 48
29
XIN XOUT
Function
Q Q
3 6 7 1 3 1 5
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62
9 4 2 8
AUDIO/VO INT CL CE DI XMODE
33 35 40 39 38 41
Microcontroller
37 DO
I/F
36 RERR
Demodulation
Data
21 RDATA
&
Selector
Lock Detect
24 SDIN
16 RMCK
17 RBCK
Clock
20 RLRCK
Selector
22 SBCK
I/N
23 SLRCK
28 27 34
XMCK CKST
0 5 8 2 9 9 4
m
9 9
2 8 9 9