Mn35510Al (Ic561) : Digital Servo & Digital Signal Processor; Njm4580L (Ic902) : Dual Operational Amplifier - JVC HX-Z1 Service Manual

5.22MN35510AL (IC561) : Digital servo & Digital signal processor
• Terminal Layout
• Pin function
PinNo. symbol I/O
1 BCLK O Not used
2 LRCK O Not used
3 SRDATA O Not used
4 DVDD1 - Power supply (Digital)
5 DVSS1 - Connected to GND
6 TX O Digital audio interface output
7 MCLK - Micom command clock signal input
(Data is latched at signal's rising point)
8 MDATA I Micom command data input
9 MLD I Micom command load signal input
10 SENSE O Sense signal output
11 FLOCK O 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 O Sub-code Q -code output
16 DMUTE - Connected to GND
17 STATUS O Status signal
(CRC,CUE,CLVS,TTSTOP,ECLV,SQOK)
18 RST I Reset signal input (L:Reset)
19 SMCK - Not used
20 PMCK - Not used
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 out-
put) 3-State
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 O Reference voltage input pin for D/A
output block (TVD,FOD,FBA,TBAL)
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 RF ENV 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 BDO input pin(L:detect)
40 LDON I Laser ON signal output(H:on)

5.23 NJM4580L (IC902) : Dual operational amplifier

Function PinNo.
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
symbol I/O
TES I Tracking error shunt signal output(H:shunt)
PLAY O Not used
WVEL O Not used
ARF - RF signal input
IREF - Reference current input pin
DRF I Bias pin for DSL
DSLF I Loop filter pin for DSL
PLLF I Loop filter pin for PLL
VCOF I/O Not used
AVDD2 I/O Power supply(Analog)
AVSS2 - Connected to GND(Analog)
EFM - Not used
PCK - Not used
PDO - Not used
SUBC - Not used
SBCK - Not used
VSS - Connected to GND(for X'tal oscillation
circuit)
XI - Input of 16.9344MHz X'tal oscillation circuit
X2 I Output of X'tal oscillation circuit
VDD O Power supply(for X'tal oscillation circuit)
BYTCK - Not used
CLDCK - Not used
FLAG - Not used
IPPLAG - Not used
FLAG - Not used
CLVS - Not used
CRC - Not used
DEMPH - Not used
RESY - Not used
IOSEL - pull up
TEST - pull up
AVDD1 - Power supply(Digital)
OUT L O Lch audio output
AVSS1 - Connected to GND
OUT R O Rch audio output
RSEL - pull up
CSEL - Connected to GND
PSEL - Connected to GND
MSEL - Connected to GND
SSEL - Pull up
HX-Z1
Function
53