JVC NX-MD1, Руководство по обслуживанию

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NX-MD1R/NX-MD1
1-62
MN662790RSC (IC651) : Digital servo & digital signal prossesor
1.Terminal layout
20 1
41 60
21
40
80
61
2. Pin function
Function
Pin
No. Symbol
Pin
No. Symbol
I/O Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
BCLK
LRCK
SRDATA
DVDD1
DVSS1
TX
MCLK
MDATA
MLD
SENSE
FLOCK
TLOCK
BLKCK
SQCK
SUBQ
DMUTE
STAT
DSP-RST
SMCK
CSEL
TEST2
TVD
PC
ECM
ECS
VDETMON
TRD
FOD
VREF
FBAL
TBAL
FE
TE
RF ENV
TEST3
OFT
TRCRS
RFDET
BDO
LDON
PLLF2
DSLBDA
WVEL
ARF
IREF
DRF
DSLF
PLLF
VCOF
AVDD2
AVSS2
EFM
DSLB
VCOF2
SUBC
SBCK
VSS
X1
X2
VDD
BYTCK
LD
GAIN
IPFLAG
FLAG
CLVS
CRC
DEMPH
RESY
IOSEL
TEST
AVDD1
OUTL
AVSS1
OUTR
DQSY
Vcc5V
PSEL
MSEL
SSEL
I/O
O
O
O
-
-
O
I
I
I
-
-
-
O
I
O
I
O
I
-
I
-
O
-
O
O
-
O
O
I
O
O
I
I
I
I
I
I
I
I
-
-
-
I
I
I
I/O
I/O
I/O
-
-
-
O
I/O
-
-
-
I
O
-
-
-
O
-
-
-
-
I
I
-
O
-
O
-
I
-
I
Bit clock output for SRDATA
LR signal separation output
Serial data output
Power supply for digital circuit
GND for digital circuit
Digital audio ineterface output
Micro computer command clock signal input
Micro computer command data input
Micro computer command load signal input (L:Load)
Not use
Not use
Not use
Sub code block signal output
External clock input for sub code Q register input
Sub code Qdata output
Muting input (H:Mute)
Status signal input
Reset signal input (L:Reset)
Not use
Not use
Traverse drive output
Not use
Spindle motor drive signal (Enforced mode output)
Spindle motor drive signal (Servo error signal output)
Not use
Tracking drive output
Focus drive output
Reference voltage for D/A output block
Focus balance adjust signal output
Tracking balance adjust signal output
Focus error signal input (Analog input)
Tracking error signal input (Analog input)
RF envelope signal input (analog input)
Connect to GND
Off track signal input (H:Off track)
Track crosssignal input
RF detect signal input (L:Detect)
Drop out signal input (H:Drop out)
Not use
Not use
Not use
RF signal input
Referrence current input
Bias pin for DSL
Loop filter pin for DSL
Loop filter pin for PLL
Loop filter pin for VCO
Power supply for analog circuit
GND for analog circuit
Not use
DSL balance output
Loop filter pin for Digtal servo VCO
Not use
Not use
GND for crystal oscillation circuit
Input for crystal oscillation circuit (f=16.9344MHz)
Output for crystal oscillation circuit (f=16.9344MHz)
Power supply for crystal oscillation circuit
Not use
Not use
Flag signal output
Not use
Not use
Not use
Not use
Mode select pin , Connect to DVDD1 (H fix)
Test pin ,Connect to DVDD1 (H fix)
Power supply for analog circuit
L-channel audio output
GND for analog circuit
R-channel audio output
Connect to power supply
IOSEL=H , Test pin , Connect to GND ( L fix)
IOSEL=H , SMCK output , Frequency select pin
IOSEL=H , SMCK output , SUBQ output mode select pin