JVC KD-S685 Service Manual page 25

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3. Pin function
Pin
Symbol I/O
No.
O
1 BCLK Not used
2 LRCK Not used
O
3 SRDATA O
Not used
4
DVDD1 Power supply (Digital)
DVSS1 Connected to GND
5
6 TX O Not used
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 Sense signal output
O
O
11 FLOCK Focus lock signal output Active :Low
12 TLOCK O
Tracking lock signal output Active :Low
sub-code/block/clock signal output
13 BLKCK O
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 STAT O
(CRC,CUE,CLVS,TTSTOP,ECLV,SQOK)
Reset signal input (L:Reset)
18 RST I
19 Not used
SMCK
20 Not used
PMCK
TE
L 13942296513
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)
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
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BDO input pin (L:detect)
39 BDO I
Laser ON signal output (H:on)
40 LDON O
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8
Pin
Symbol I/O
No.
41 Tracking error shunt signal output (H:shunt)
TES O
42
PLAY Not used
43 WVEL Not used
44 I
ARF RF signal input
45 IREF
I Reference current input pin
46 DRF Bias pin for DSL
I
I/O
47 Loop filter pin for DSL
DSLF
Loop filter pin for PLL
48 PLLF I/O
49
VCOF Not used
50 AVDD2 Power supply (Analog)
51 AVSS2 Connected to GND (Analog)
52 Not used
EFM
53 PCK Not used
54 PDO PLL data slice output
55 Not used
SUBC
56 SBCK
Not used
Connected to GND (for X'tal oscillation
57 VSS
circuit)
Input of 16.9344MHz X'tal oscillation circuit
58 XI I
59 X2 Output of X'tal oscillation circuit
O
60 Power supply (for X'tal oscillation circuit)
VDD
Q Q
3 6 7 1 3 1 5
61 BYTCK Not used
62 Not used
CLOCK
63 FLAG
Not used
64 IPPLAG 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 O Lch audio output
OUT L
74 AVSS1 Connected to GND
75 OUT R O Rch audio output
pull up
76 RSEL
77 CSEL Connected to GND
78 PSEL
Connected to GND
79
MSEL Connected to GND
80 SSEL
Pull up
co
.
KD-S685/KD-S585
9 4 2 8
Function
0 5 8 2 9 9 4 2 8
m
9 9
9 9
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