Denon AVC-1909, Service Manual

Page: 62 / 161

62
AVR-1909/789, AVC-1909
LC89057W (IC1027)
LC89057W Terminal Function
LC89057W Block Diagram
Function
Pin
No.
Pin Name
1 RXOUT O Input bi-phase select data output terminal
2 RX0 I TTL compatible digital data input terminal
3 RX1 I Coaxial compatible amp built-in digital data input terminal
4 RX2 I TTL compatible digital data input terminal
5 RX3 I TTL compatible digital data input terminal
6 DGND — Digital GND
7 DVDD — Digital power
8 RX4 I TTL compatible digital data input terminal
9 RX5/VI I TTL compatible digital data/Validity flag input terminal for modulation
10 RX6/UI I TTL compatible digital data/User data input terminal for modulation
11 DVDD — Digital power for PLL
12 DGND — Digital GND for PLL
13 LPF O PLL loop filter connecting terminal
14 AVDD — Analog power for PLL
15 AGND — Analog GND for PLL
16 RMCK O RMCK clock output terminal (256fs, 512fs, XIN, VCO)
17 RBCK O/I RBCK clock in/output terminal (64fs)
18 DGND — Digital GND
19 DVDD — Digital power
20 RLRCK O/I RLRCK clock in/output terminal (fs)
21 RDATA O Serial audio data output terminal
22 SBCK O SBCK clock output terminal (32fs, 64fs, 128fs)
23 SLRCK O SLRCK clock output terminal (fs/2, fs, 2fs)
24 SDIN I Serial audio data input terminal
25 DGND — Digital GND
26 DVDD — Digital power
27 XMCK O Osc. amp output terminal
I/O
36
RERR
1
RX
OUT
35
INT
2
RX0
34
CKST
3
RX1
33
A
UDIO/VO
4
RX2
32
EMPHA/UO
5
RX3
31
DGND
6
DGND
30
DVDD
7
DVDD
29
XIN
8
RX4
28
X
OUT
9
RX5/VI
27
XMCK
10
RX6/UI
26
DVDD
11
DVDD
25
DGND
12
DGND
24 SDIN 37 DO
23 SLRCK 38 DI
22 SBCK 39 CE
21 RDATA 40 CL
20 RLRCK 41 XMODE
19 DVDD 42 DGND
18 DGND 43 DVDD
17 RBCK 44 TMCK/PIO0
16 RMCK 45 TBCK/PIO1
15 AGND 46 TLRCK/PIO2
14 AVDD 47 TDATA/PIO3
13 LPF 48 TXO/PIOEN
TOP VIEW
1 RXOUT
32
EMPHA/UO
33
AUDIO/VO
35
INT
40
CL
39
CE
38
DI
28
XOUT
29
XIN
27
XMCK
34
CKST
41
XMODE
Input
Selector
2 RX0
3 RX1
4
RX2
5 RX3
8 RX4
9
RX5/VI
10 RX6/UI
37 DO
36 RERR
21 RDATA
24 SDIN
16 RMCK
17 RBCK
20 RLRCK
22 SBCK
23 SLRCK
13
LPF
44 TMCK/PIO0
45
TBCK/PIO1
46 TLRCK/PIO2
47
TDATA/PIO3
48 TXO/PIOEN
Clock
Selector
C bit, U bit
PLL
Demodulation
&
Lock Detect
Microcontroller
I/F
Data
Selector
I/N
Modulation
or
Parallel Port