Servo Amplifier - Panasonic RX-DT30 Service Manual

I I
61 BYTCK 1 0 1 Byte clock output (Not used, open)
Sub-code frame clock signal output
Crystal frame clock signal output
(fCLK=7.35kHz,double=l4.7kHz)
Interpolation flag output ("H"
FLAG 1 0 1 Flag output (Not used, open)
0 Spindle servo phase synchronizing signal
output
/ 66 / cLvs 1 / (Not used:open)
Frame resynchronizing signal output
70 IRST2 I Reset input through MASH circuit ("L" : Reset)
71 /TEST I Test input
IC701 (AN8802SCE1 V)
l

Servo Amplifier

Pin
Mark
l/O
No.
1 PDAD I PDA channel signal input with delay
2 PDA I PDA channel signal input without delay
LPD I Laser PD connection
3
4 LD 0 Power supply for LD driving
RF amplifier output (Not used, open)
Capacitor connection for RF detection
11 I Capacitor connection for HPF amplifier
CEA
- Groundconnection
12 GND
LDON I ON/OFF input of LD APC("H" : ON, 'I" : OFF)
13
14 TES I Tracking error shunt signal input
I Play signal input ("H"
15 PLAY
16 VWEL I Double speed ("H"
Function
:
interpolation)
( : :
H CLV, "L" rough servo)
Function
:
PLAY)
: :
double, "L" single)
29 FBAL I
30 VREF 0
PDB I
31
I
32 PDBD
-27-
"L" : SMCK=4.2336MHz
: Q
("H" code buffer mode)
Focus balance signal input
Reference voltage output
Photo detection Bch input without delay
Photo detection Bch input with delay
RX-DT30