JVC VS-DT9R Service Manual page 20

VS-DT9R/VS-DT6R
MN662790RSC (IC651) : Digital servo & Digital signal prossesor
1. Terminal layout
20 1
21
80
40 61
41 60
2. Pin function
Pin No. Symbol
1 BCLK
2 LRCK
3 SRDATA
4 DVDD1
5 DVSS1
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 DSP_RST
19 SMCK
20 CSEL
21 TEST2
22 TVD
23 PC
24 ECM
25 ECS
26 VDETMON
27 TRD
28 FOD
29 VREF
30 FBAL
31 TBAL
32 FE
33 TE
34 RF ENV
35 TEST3
36 OFT
37 TRCRS
38 /RFDET
39 BDO
40 LDON
1-20
I/O
O Bit clock output for SRDATA
O LR signal separation output
O Serial data output
- Power supply for digital circuit
- GND for digital circuit
O Digital audio ineterface output
I Micro computer command clock signal input
I Micro computer command data input
I Micro computer command load signal input (L:Load)
- Not use
- Not use
- Not use
O Sub code block signal output
I External clock input for sub code Q register input
O Sub code Qdata output
I Muting input (H:Mute)
O Status signal input
I Reset signal input (L:Reset)
- Not use
I Connect to DVDD1 (H fix)
- Not use
O Traverse drive output
- Not use
O Spindle motor drive signal (Enforced mode output)
O Spindle motor drive signal (Servo error signal output)
- Not use
O Tracking drive output
O Focus drive output
I Reference voltage for D/A output block
O Focus balance adjust signal output
O Tracking balance adjust signal output
I Focus error signal input (Analog input)
I Tracking error signal input (Analog input)
I RF envelope signal input (analog input)
I Connect to GND
I Off track signal input (H:Off track)
I Track crosssignal input
I RF detect signal input (L:Detect)
I Drop out signal input (H:Drop out)
- Not use
Function