JVC KD-S580 Service Manual page 35

3. Pin function
Pin
Symbol I/O
No.
O
1 BCLK Not used
2 LRCK O Not used
3 SRDATA O
Not used
4
DVDD1 Power supply (Digital)
5 DVSS1 Connected to GND
6 TX Not used
O
CPU command clock signal input
7
MCLK I
(Data is latched at signal's rising point)
8 MDATA CPU command data input
I
9 MLD I
CPU command load signal input
10
SENSE O Sense signal output
O
11 FLOCK Focus lock signal output Active :Low
O
12 TLOCK Tracking lock signal output Active :Low
sub-code/block/clock signal output
13
BLKCK O
14
SQCK I
Outside clock for sub-code Q resister input
15 SUBQ Sub-code Q -code output
O
16 DMUTE Connected to GND
Status signal
17 STAT O
(CRC,CUE,CLVS,TTSTOP,ECLV,SQOK)
Reset signal input (L:Reset)
18 RST I
19 SMCK Not used
20 Not used
PMCK
21 TRV O Traverse enforced output
22 O
TVD Traverse drive output
23
PC Not used
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 pulse output
KICK O
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)
30 FBAL Focus Balance adjust signal output
O
31 O
TBAL Tracking Balance adjust signal output
32 FE 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)
36 OFT Off track signal input (H:off track)
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
Pin
Function
No.
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
57
59
60
61
67
71
Symbol I/O
Tracking error shunt signal output (H:shunt)
PLLF2 O
TOFS Not used
WVEF Not used
ARF I RF signal input
IREF I Reference current input pin
DRF
I Bias pin for DSL
I/O
Loop filter pin for DSL
DSLF
I/O Loop filter pin for PLL
PLLF
VCOF Not used
AVDD2
Power supply (Analog)
AVSS2 Connected to GND (Analog)
Not used
EFM
Not used
PCK
VCOF2 PLL data slice output
Not used
SUBC
56 SBCK
Not used
Connected to GND (for X'tal oscillation
VSS
circuit)
58 XI Input of 16.9344MHz X'tal oscillation circuit
I
X2 Output of X'tal oscillation circuit
O
VDD Power supply (for X'tal oscillation circuit)
BYTCK
Not used
62
CLDCK Not used
63 FCLK Not used
64 IPFLAG Not used
65
FLAG Not used
66 CLVS
Not used
CRC Not used
68
DEMPH Not used
69 Not used
RESY
70 pull up
IOSEL
pull up
TEST
72 AVDD1 Power supply (Digital)
73 O Lch audio output
OUT L
74 AVSS1 Connected to GND
Rch audio output
75 OUT R O
pull up
76 RSEL
77 CSEL Connected to GND
78 PSEL
Connected to GND
79
MSEL Connected to GND
80 SSEL
Pull up
KD-S580
Function
1-35