Marantz SR4500, Руководство по обслуживанию

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39
IC13 : LC89057W
LC89057W
No. Port name I/O Description
1 RXOUT O Data Output
2 RX0 I Digital data Input (TTL)
3 RX1 I Digital data Input (Coaxial)
4 RX2 I Digital data Input (TTL)
5 RX3 I Digital data Input (TTL)
6 DGND Digital GND
7 DVDD Digital VDD
8 RX4 I Digital data Input (TTL)
9 RX5/VI I Digital data Input (TTL)
10 RX6/UI I Digital data Input (TTL)
11 DVDD Digital GND for PLL
12 DGND Digital VDD for PLL
13 LPF O Loop filter for PLL
14 AVDD Analog VDD for PLL
15 AGND Analog GND for PLL
16 RMCK O System clock Output for R (256fs, 512fs, XIN, VCO)
17 RBCK O/I Bit clock Output for R (64fs)
18 DGND Digital GND
19 DVDD Digital VDD
20 RLRCK O/I LR clock Input/Output for R
21 RDATA O Serial Audio data Input
22 SBCK O Bit clock Output for S (32fs, 64fs, 128fs)
23 SLRCK O LR clock Output for S (fs/2, fs, 2fs)
24 SDIN I Serial Audio data Input
25 DGND Digital GND
26 DVDD Digital VDD
27 XMCK O Oscillation amplifier
28 XOUT O XOUT
29 XIN I XIN or External clock Input (24.576MHz or 12.288MHz)
30 DVDD Digital VDD
31 DGND Digital GND
32 EMPHA/UO I/O Emphasis Information / U data Output / Set for chip address
33 AUDIO/VO I/O Detected non-PCM / V flag Output / Set for chip address
34 CKST I/O Clock timing Output / Switch to master or slave for demodulation
35 INT I/O Interrupt Output / Switch to Modulation or general-purpose I/O
36 RERR O Error Output (PLL lock, data error)
37 DO O IF, Read out data Output
38 DI I IF, Write data Input
39 CE I IF, Chip enable Input
40 CL I IF, Clock Input
41 XMODE I System reset Input
42 DGND Digital GND
43 DVDD Digital VDD
44 TMCK/PIO0 I/O 256fs system-clock Input for modulation / General-purpose I/O input/output
45 TBCK/PIO1 I/O 64fs bit-clock Input for modulation / General-purpose I/O input/output
46 TLRCK/PIO2 I/O Fs clock Input for modulation / General-purpose I/O input/output
47 TDATA/PIO3 I/O Serial audio data for modulation / General-purpose I/O input/output
48 TXO/PIOEN O/I Modulation data Output / General-purpose I/O enable input
RX6/UI
10
Microcontroller
I/F
CL
40
CE
39
DI
38
Selector
RX1
3
Input
RX0
2
RX2
4
RX3 5
RX4
8
RX5/VI
9
Demodulation
&
Lock detect
PLL
RDATA
21
Clock
Selector
C bit , Ubit
INT
35
EMPHA/UO
32
AUDIO
33
RERR
36
XIN
28
Modulation
RXOUT 1
XMODE
41
XOUT
29
TMCK/PIO0
44
TBCK/PIO1 45
TLRCK/PIO2
46
TDATA/PIO3
47
TXO/PIOEN 48
16
17
20
22
23
RMCK
RBCK
RLRCK
SBCK
SLRCK
DO 37
or
Parallel Port
1/N
LPF
13
27 34
24
SDIN
Data
Selector
XMCK CKST
/VO
21
RDATA
22
SBCK
23 SLRCK
24
SDIN
37
DO
38 DI
39
CE
RX0
40
CL
41 XMODE
42
43 DVDD
44
TXO/PIOEN
45
TMCK/PIO0
RX3 RX1
DGND DVDD DVDD
RX6/UI
12
17
RBCK
18 DGND
19
DVDD
20 RLRCK
46
TBCK/PIO1
47
48
DGND
14
15
16
13 LPF
11 10 9 8 7 6 5 4 3 2 1
35 36 33 34 31 32 29 30 27 28 25 26
LC89057W-VF4-E
LC89057W-VF4-E
DGND
RXOUT
RX2 RX4
RX5/VI
AVDD
AGND
RMCK
TLRCK/PIO2
TDATA/PIO3
DGND
DVDD XMCK XOUT XIN DVDD DGND EMPHA/UO AUDIO CKST INT RERR
* * * *
* *
/VO