Clarion DB538RMP, Руководство по обслуживанию

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DB538RMP DB538RMP
DB538RMP DB538RMP
DB538RMP
S1L9226 051-5712-00
ASP ( RF AMP )
Outward Form
48 pins, plastic QFP
1 RFM I RF summing amp. Inverting input
2 RFO O RF summing amp. Output
3 EQI I RFO DC eliminating input (use by
MIRROR,FOK,AGC & EQ
terminal
4 EQO O RF Equalizer output
5 EFMI I EFM slice input. ( input
impedance 47K )
6 VCC - VDD
7 FRSH I Capacitor connection to focus
search
8 FSET I Filter bias for focus, tracking,
spindle
9 FLB I Capacitor connection to make
focus loop rising band
10 FGD I Terminal to change the high
frequency gain of focus loop
11 FSI I Focus servo input
12 TGU I Connect the component to
change the high frequency of
tracking Loop
13 ISTAT O Internal Status output
14 MCK I Micom clock
15 MDATA I Data Input
16 MLT I Data latch input
17 RESET I Reset input
18 CLVI I Input the spindle control output
from DSP
19 WDCK I 88.2KHz input terminal from DSP
20 LOCK I Sled run away inhibit pin (L: sled
off & tracking gain up)
21 EFM O EFM output for RFO slice (to
DSP)
22 ASY I Auto Asymmetry control input
23 SPM I Spindle amp. Inverting input
24 SPO O Spindle amp. Output
25 SLM I Sled servo inverting input
26 SLO O Sled servo output
27 SLP I Sled servo noninverting input
28 TEM I Tracking servo amp. Inverting
input
29 TEO O Tracking servo amp. Output
30 FEM I Internal status of the servo IC
31 FEO - NC
32 GND - GND
33 TZC/SSTOP I Tracking zero crossing input &
Check the position of pick-up
whether inside or not
34 TEIO B Tracking error output & Tracking
servo input
35 LPFT I Tracking error integration input
36 ATSC I Anti-shock input
Terminal Description
37 LD O APC amp. output
38 PD I APC amp. Input
39 PDAC I Photo diode A & C RF I/V
amp.inverting input
40 PDBD I Photo diode B & D RF I/V amp.
Inverting input
41 PDF I Photo diode F& tracking(F) I/V
amp. Inverting input
42 PDE I Photo diode E & tracking(E) I/V
amp. Inverting input
43 DCB I Capacitor connection to limit the
defect detection
44 MCP I Capacitor connection to mirror
hold
45 DCCI O Output pin to connect the
component for defect detect
46 DCCO I Input pin to connect the
component for defect detect
47 VREF O (VCC+GND)/2 Voltage reference
output
48 EQC I AGC_qualize level control
terminal & Capacitor terminal to
input in to VCA
Pin No PIN NAME I/O DESCRIPTION Pin No PIN NAME I/O DESCRIPTION