JVC MX-KA6 Series Service Manual page 28

MX-KA6
MN6627482WA (IC601) : Digital servo & digital signal processor
1. Terminal layout
80~61
1 60
20 41
21~40
2. Pin function
Pin
Symbol
No
1 BCLK
2 LRCK
3 SRDATA
4 DVDDI
5 DVSSI
6 TX
7 MCLK
8 MDATA
9 MLD
10 SENSE
11 FLOCK
12 TLOCK
13 BLKCK
14 SQCK
15 SUBQ
16 DMUTE
17 STAT
18 RST
19 SMCK
20 PMCK
21 TRV
22 TVD
23 PC
24 ECM
25 ECS
26 KICK
27 TRD
28 FOD
29 VREF
30 FBAL
31 TBAL
32 FE
33 TE
34 RFENV
35 VDET
36 OFT
37 TRCRS
38 /RFDET
39 BDO
40 LDON
1-28
Pin
I/O Function
No
-
Not use 41 PLLF2
-
Not use 42 TOFS
-
Not use 43 WVEL
-
44 ARF
Power supply for digital circuit
- GND for digital circuit
45 IREF
-
Not use 46 DRF
I Micro computer command 47 DSLF
clock signal input 48 PLLF
I Micro computer command 49 VCOF
data input 50 AVDD2
I
Micro computer command
load signal input (L: Load)
51 AVSS2
-
Not use, connect to TP7 52 EFM
- Not use, connect to TP6 53 PCK
-
Not use, connect to TP5 54 VCOF2
O Sub code block clock
signal output 55 SUBC
I External clock input for sub 56 SBCK
code Q register input
57 VSS
O
Sub code Q data output
I Muting input (H: Mute) 58 X1
O
Status signal input
I 59 X2
Reset signal input (L: Reset)
-
Not use
- Not use, connect to TP8 60 VDD
O
Traverse enforced output
O Traverse drive output 61 BYTCK/TRVSTP
- Not used 62 CLDCK
O Spindle motor drive signal
(Enforced mode output) 63 FCLK
O
Spindle motor drive signal 64 IPFLAG
(Servo error signal output)
O 65 FLAG
Kick pulse output
O Tracking drive output
O Focus drive output 66 CLVS
I Reference voltage 67 CRC
for D/A output block 68 DEMPH
O Focus balance adjust
signal output 69 RESY
O 70 IOSEL
Tracking balance adjust
signal output
I Focus error signal input 71 /TEST
(Analog input)
I Tracking error signal input 72 AVDD1
(Analog input)
I RF envelope signal input 73 OUTL
74 AVSS1
(Analog input)
I Vibration detect signal 75 OUTR
input (H:Detect) 76 RSEL
I Off track signal input
(H:Off track) 77 CSEL
I Track cross signal input
I RF detect signal input 78 PSEL
(L:Detect)
I Drop out signal input 79 MSEL
(H:Drop out)
O Laser on signal output 80 SSEL
(H:ON)
Symbol I/O Function
- Not use
- Not use
- Not use
I RF signal input
Reference current input
I
I Bias pin for DSL
I/O Loop filter pin for DSL
I/O Loop filter pin for PLL
I/O Loop filter pin for VCO
Power supply for analog
-
circuit
GND for analog circuit
-
- Not use, connect to TP12
O Clock output for PLL
Loop filter pin for Digital
I/O
servo VCO
Not use
-
- Not use
GND for crystal oscillation
-
circuit
I Input for crystal oscillation
circuit (f=16.9344MHz)
O Output for crystal oscillation
circuit (f=16.9344MHz)
Power supply for crystal
-
oscillation circuit
Not use
-
O Sub code frame clock
signal output
Not used
-
Interpolation flag signal
O
output, Connect to TP11
O Flag signal output,
Connect to TP10
Not use
-
Not use
-
De-emphasis detect signal
O
output, Connect to TP9
Not use
-
Mode select pin, Connect
I
to DVDD1 (H fix)
Test pin, Connect to
I
DVDD1 (H fix)
Power supply for analog
-
circuit
L-channel audio output
O
GND for analog circuit
-
R-channel audio output
O
RF signal polarity setting pin,
I
Connect to DVDD1 (H fix)
Oscillation frequency setting
I
pin, Connect to GND (L fix)
IOSEL=H, Test pin,
I
Connect to GND (L fix)
IOSEL=H, SMCK output,
I
Frequency select pin
IOSEL=H, SMCK output,
I
SUBQ output mode select pin