JVC KD-S670 Service Manual page 23

3. Description
Pin
symbol I/O
No.
1 BCLK O Not used
2 LRCK Not used
O
3 SRDATA O
Not used
4 Power supply (Digital)
DVDD1
5 DVSS1 Connected to GND
6 TX O Digital audio interface output
Micom command clock signal input
7
MCLK
I
(Data is latched at signal's rising point)
8 MDATA Micom command data input
I
9 MLD I
Micom command load signal input
10 SENSE Sense signal output
O
O
11 FLOCK Focus lock signal output Active :Low
12 TLOCK O
Tracking lock signal output Active :Low
13 BLKCK O sub-code - block - clock signal output
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 STATUS O
(CRC,CUE,CLVS,TTSTOP,ECLV,SQOK)
Reset signal input (L:Reset)
18 RST I
19 Not used
SMCK
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 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)
30 Focus Balance adjust signal output
FBAL O
31 O
TBAL Tracking Balance adjust signal output
FE
32 I Focus error signal input(Analog input)
33 TE
I Tracking error signal input(Analog input)
34
RF ENV I RF envelope signal input(Analog input)
35 I Vibration detect signal input(H:detect)
VDET
Off track signal input(H:off track)
36 OFT I
Track cross signal input
I
37 TRCRS
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.
symbol I/O
Tracking error shunt signal output(H:shunt)
41 TES O
42
PLAY Not used
43 WVEL Not used
44 ARF I
RF signal input
45 IREF I Reference current input pin
46
DRF I Bias pin for DSL
I/O
47 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 Not used
EFM
Not used
53 PCK
54 PDO Not used
55
Not used
SUBC
56
SBCK Not used
Connected to GND(for X'tal oscillation
57
VSS
circuit)
58 XI I Input of 16.9344MHz X'tal oscillation circuit
59 X2 Output of X'tal oscillation circuit
O
60 Power supply(for X'tal oscillation circuit)
VDD
61 BYTCK
Not used
62 Not used
CLDCK
63 FLAG
Not used
IPPLAG
64 Not used
65 FLAG Not used
66 CLVS
Not used
67 Not used
CRC
68
DEMPH Not used
69 Not used
RESY
70 pull up
IOSEL
71 pull up
TEST
AVDD1
72 Power supply(Digital)
73 OUT L O Lch audio output
AVSS1
74 Connected to GND
75 Rch audio output
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-S670
MN35510
Function
1-23