JVC MX-J570V Service Manual page 50

MX-J570V/MX-J680V
3. Pin function
Pin
symbol I/O
No.
1 BCLK O Bit clock output for SRDATA
Identification signal output of Lch and Rch
2 LRCK O
SRDATA O
3 Serial data output
4
DVDD1 Power supply (Digital)
DVSS1 Connected to GND
5
6 TX O Digital audio interface output
com command clock signal input
7 MCLK
I
(Data is latched at signal's rising point)
8 MDATA com command data input
I
9 MLD I com command load signal input
10
SENSE - Non connect
11 - Non connect
FLOCK
12 -
TLOCK Non connect
13 BLKCK - Non connect
14 I
SQCK Outside clock for sub-code Q resister input
15 SUBQ Sub-code Q -code output
O
16 DMUTE Connected to GND
Status signal
17 STATUS O
(CRC,CUE,CLVS,TTSTOP,ECLV,SQOK)
Reset signal input (L:Reset)
18 RST I
19
SMCK Non connect
20 Non connect
PMCK
21 TRV O Traverse enforced output
22 O
TVD Traverse drive output
23 PC Non connect
Spindle motor drive signal (Enforced
24 ECM
O
mode output) 3-State
Spindle motor drive signal (Servo error
25 ECS
O
signal output)
26
KICK O Kick pulse output
27 TRD O Tracking drive output
28 FOD O
Focus drive output
Reference voltage input pin for D/A
29 VREF I
output block (TVD,FOD,FBA,TBAL)
Focus Balance adjust signal output
30 FBAL O
31 O
TBAL Tracking Balance adjust signal output
FE
32 I Focus error signal input(Analog input)
TE
33 Tracking error signal input(Analog input)
I
34
RF ENV I
RF envelope signal input(Analog input)
35
VDET I Vibration detect signal input(H:detect)
Off track signal input(H:off track)
36 OFT
I
Track cross signal input
37 TRCRS I
RF detect signal input(L:detect)
38
I
RFDET
BDO input pin(L:detect)
39 BDO I
Laser ON signal output(H:on)
40 LDON
O
1-50
Pin
Description
No.
symbol I/O
Non connect
41 TES
42
PLAY Non connect
43 Non connect
WVEL
44 I
ARF RF signal input
45 IREF
I Reference current input pin
46
DRF Bias pin for DSL
I
47 I/O Loop filter pin for DSL
DSLF
Loop filter pin for PLL
48 I/O
PLLF
49 VCOF Not used
50 AVDD2
Power supply(Analog)
51 AVSS2
Connected to GND(Analog)
52 Non connect
EFM
53 PCK Non connect
54 PDO Non connect
55 Non connect
SUBC
56 XSEL
I Clock input for subcode/serial output
Connected to GND(for X'tal oscillation
57 VSS
circuit)
58 XI Input of 16.9344MHz X'tal oscillation circuit
I
X2 Output of X'tal oscillation circuit
59 O
60 Power supply(for X'tal cscillation circuit)
VDD
61 VCOF2 PLL loop filter terminal for jitter absorption
O
62 O
AVSS1 Ground terminal for audio DAC
63 OUT1C
O PEM output terminal 1C
64 OUT1D
O PEM output terminal 1D
65
OUT2D O PEM output terminal 2D
66 OUT2C PEM output terminal 2C
O
Power supply for audio DAC
67 AVDD1
O
68
DEMPO
Non connect
-
69
CK384 384fs clock output
O
70
IOSEL
I
Mode switch terminal
71
TEST
I Test mode setting terminal
SBCK2
72
I Sub code/data reading clock input
73 O
SUBC Sub code/serial output
SBCK
74 Clock input for sub code/serial output
I
75 CLDCK O Sub code /frame clock signal output terminal
76 IPFLAG
Interpolation flag signal output H:Interpolation
I
77 DEMPI
IOSEL:L The outside DEMPO input terminal
I
78 SDATI
SRDATA input terminal
I
When IOSEL is "L", LRCK input H:Lch data
79 LRCKI
I
L:Rch data
80 BCKI I When IOSEL is "L", BCK input
Description