Kenwood DPC-MP727 Service Manual page 5

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Port No. Port Name
36 NRFDET
37 BDO
38 LDON
39 ARF
40 IREF
41 ADPVCC
42 DSLF
43 DSLF2
44 PLLF
45 VCOF
46 AVDD2
47 AVSS2
48 OUTL
49 AVSS1
50 OUTR
51 AVDD1
52 FSEL
53 TMOD1
54 TMOD2
55 FLAG
56 IPFLAG
57~59 EXT(0~2)
60 TX
TE
L 13942296513
61 MCLK
62 MDATA
63 MLD
64 BLKCK
65 SQCK
66 SUBQ
67 DMUTE
68 STAT
69 NRST
70 SPPOL
71 PMCK
72 SMCK
73 SUBC
74 SBCK
75 NCLDCK
76 NTEST
77 X1
78 X2
79 DVDD1
80 DVSS1
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CIRCUIT DESCRIPTION
I/O
I RF detection signal input.
I Drop out signal input.
- Unused.
I RF signal input.
I Reference current input.
I AD reference voltage input.
O DSL loop filter output.
O DSL unbalance current correction.
O PLL loop filter output.
O Jitter free VCO loop filter terminal.
- Analog power supply.
- Analog ground.
O L ch line output.
- GND
O R ch line output.
- Analog power supply.
I Noise filter ON/OFF switching input.
- Connected to analog ground.
- Connected to analog ground.
- Unused.
O Flag signal output.
I/O Command change over : Expander input/output port (0~2).
- Unused.
I Microprocessor command clock signal input.
I Microprocessor command data signal input.
I Microprocessor command load signal input.
Sub code block clock signal output.
O
fBLKCK=75Hz(normal playback)
Command change over : Sub code Q register external
I/O
clock input.
O Command change over : Sub code Q data output.
I/O Command change over : Muting input.
O Status signal output.
I Reset signal input.
O Spindle motor drive signal output (polar output).
O 88.2kHz clock signal output.
- Unused.
- Unused.
- Connected to digital power supply.
- Unused.
- Connected to digital power supply.
I Crystal oscillation circuit input.
O Crystal oscillation circuit output. f=16.9344MHz
- Digital power supply.
- Digital ground.
x ao u163
y
i
DPC-MP727/MP922
2 9
8
Function
Q Q
3 6 7 1 3 1 5
f=16.9344MHz
co
.
9 4 2 8
ACTIVE
H
Detected
Drop Out
Off On
0 5 8 2 9 9 4 2 8
Load
Mute
Reset
m
9 9
L
9 9
5