JVC FS-H30, Руководство по обслуживанию

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1-38 (No.22062)
4.14 MN662748RPMFA (IC603) : Digital servo & Digital signal processer
• Pin layout
• Pin function
80~61
21~40
1
20
60
41
Pin No. Symbol I/O Function
1 BCLK - Not use
2 LRCK - Not use
3 SRDATA - Not use
4 DVDDI - Power supply for digital circuit
5 DVSSI - GND for digital circuit
6 TX - Not use
7 MCLK I Micro computer command clock signal
input
8 MDATA I Micro computer command data input
9 MLD I Micro computer command load signal in-
put (L: Load)
10 SENSE - Not use connect to TP716
11 FLOCK - Not use connect to TP717
12 TLOCK - Not use connect to TP718
13 BLKCK O Sub code block clock signal output
14 SQCK I External clock input for sub code Q reg-
ister input
15 SUBQ O Sub code Q data output
16 DMUTE - Not use connect to TP719
17 STAT O Status signal input
18 RST I Reset signal input (L: Reset)
19 SMCK - Not use
20 PMCK - Not use connect to TP720
21 TRV O Traverse enforced output
22 TVD O Traverse drive output
23 PC - Not used
24 ECM O Spindle motor drive signal (Enforced
mode output)
25 ECS O Spindle motor drive signal (Servo error
signal output)
26 KICK O Kick pulse output
27 TRD O Tracking drive output
28 FOD O Focus drive output
29 VREF I Reference voltage for D/A output block
30 FBAL O Focus balance adjust signal output
31 TBAL O Tracking balance adjust signal output
32 FE I Focus error signal input (Analog input)
33 TE I Tracking error signal input (Analog input)
34 RFENV I RF envelope signal input (Analog input)
35 VDET I Vibration detect signal input (H:Detect)
36 OFT I Off track signal input (H:Off track)
37 TRCRS I Track cross signal input
38 /RFDET I RF detect signal input (L:Detect)
39 BDO I Drop out signal input (H:Drop out)
40 LDON O Laser on signal output
41 PLLF2 - Not use
42 TOFS - Not use
43 WVEL - Not use
44 ARF I RF signal input
45 IREF I Reference current input
46 DRF I Bias pin for DSL
47 DSLF I/O Loop filter pin for DSL
48 PLLF I/O Loop filter pin for PLL
49 VCOF I/O Loop filter pin for VCO
50 AVDD2 - Power supply for analog circuit
51 AVSS2 - GND for analog circuit
52 EFM - Not use connect to TP724
53 PCK O Clock output for PLL
54 VCOF2 I/O Loop filter pin for Digital servo VCO
55 SUBC - Not use
56 SBCK - Not use
57 VSS - GND for crystal oscillation circuit
58 X1 I Input for crystal oscillation circuit
(f=16.9344MHz)
59 X2 O Output for crystal oscillation circuit
(f=16.9344MHz)
60 VDD - Power supply for crystal oscillation circuit
61 BYTCK/
TRVSTP
- Not use
62 CLDCK O Sub code frame clock signal output
63 FCLK - Not used
64 IPFLAG O Interpolation flag signal output Connect
to TP721
65 FLAG O Flag signal output Connect to TP722
66 CLVS - Not use
67 CRC - Not use
68 DEMPH O De-emphasis detect signal output Con-
nect to TP723
69 RESY - Not use
70 IOSEL I Mode select pin Connect to DVDD1 (H
fix)
71 /TEST I Test pin Connect to DVDD1 (H fix)
72 AVDD1 - Power supply for analog circuit
73 OUTL O L-channel audio output
74 AVSS1 - GND for analog circuit
75 OUTR O R-channel audio output
76 RSEL I RF signal polarity setting pin Connect to
DVDD1 (H fix)
77 CSEL I Oscillation frequency setting pin Connect
to GND (L fix)
78 PSEL I IOSEL=H Test pin Connect to GND (L
fix)
79 MSEL I IOSEL=H SMCK output Frequency se-
lect pin
80 SSEL I IOSEL=H SMCK output SUBQ output
mode select pin
Pin No. Symbol I/O Function