Technics SL-P110 - Page 21

e
AN8370S
(Optical
Servo
Control)
Pin 1/0 . Pin 1/0 .
No. Mark Devision Function No Mark Devision Function
1 VEE I Power supply (connected to —5V) 23 CNT2 [ Control input
(TRON : Tracking servo ON signal)
2 LSA | Phase difference input (A)
Contro!l input
3 GND | GND terminal 24 CNT3 | (KICKF : Kick direction [forward]
command)
4 LSB I Phase difference input (B)
Control input
5 APC o] Auto laser power control output 25 CNT4 | {KICKR : Kick direction [reverse]
command)
6 TEOUT o] Tracking error signal output
26 F.LOCK (0] Focus lock signal output
7 TEG | Tracking error gain adjusting input -
Capacitor connection for inversion
8
|
TE=
|
Phase
difference-voltage
27
|
C-FBDO
o
RF
high
speed
detection
conversion {—) R
Capacitor connection for inversion
Phase difference-voltage 28 C-SBDO 0 RF low speed detection
9 TE + I .
conversion (+)
Capacitor connection for non-
10 APC — (o] Laser power inversion input 2 C-SBRT o inversion RF low speed detection
i Capacitor connection for phase Capacitor connection for non-
" C-MEM ! difference memory 30 C- FBRT 0 inversion RF high speed detection
12 APC + | Laser power non-inversion input 31 RF OUT RF signal output
13 VREF (o] Reference current generation 32 BDO Drop-out detection output
14 SENSE (o] Selector output (track-crossed) 33 RFIN i RF signal input
15 HIN I Tracking holid circuit input 34 S-0UT o Focus search signal output
16 HOUT (o] Tracking hold circuit output 35 C.LW I Capacitor connection for
trianguiar wave generation
Track-cross speed control output
17 SPCNT 0 (not used, grounded) 36 FE-OUT (o] Focus error signal output
Track-cross reference speed setting 37 FEG 1 Focus error gain adjusting input
18 C-MSP | capacitor connection
{not used, grounded) 38 FE.REF I Focus error comparison voltage
generation
19 C.AF I Auto focus timer capacitor
connection 39 PDB [ Photo detector current input {B)
20 KICK R/E (o] Track kick signal output Current/voltage conversion
40 IVB (o)
output (B)
21 VCC | Power supply (connected to +5V)
- Current/voltage conversion
22 CNT1 i Control input ol IVA o output (A}
{FOON : Focus servo ON signal)
: 42 PDA | Photo detector current input {A)
o EHDGA1243 (Data Slice and PLL)
Pin 1o Pin 1o
No. Mark Devision Function No. Mark Devision Function
1 PCK o] Clock output extracted from SRF 9 NC —_— Non connection
EFM signal output synchronized - Resistor connection for VCO
2 EFM o with PCK 10 VR ! oscillation frequency
3 D-GND | GND terminal (digital system) 1 VEE | Power supply {(connected to —5V)
RF signal output data-sliced into Capacitor connection for VCO
4 SRF 0 digital value 12 ve1 ! oscillation frequency
5 SLC I Slice level control signal input 13 VG2 I Capacitor connection for VCO
oscitlation frequency
6 DO (o] Drop-out detection pulse output
14 A-GND I GND terminal (analog system)
7 FPC | Frequency comparison error signal
input. 15 RF | RF signal input
8 vCC | Power supply (connected to +5V)