Ic701 (An8885Sbe1) Servo Amplifier; Ic702 (Mn662790Rsc) Servo Processor/ Digital Signal Processor/Digital Filter/ D/A Converter - Panasonic SA-AK22 Service Manual

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14.1. IC701 (AN8885SBE1) Servo Amplifier

Pin No. Mark
1 PDE
2 PDF
3 VCC
4 PDA
5 PDB
6 LPD
7 LD
8 RF
9 RFIN
10 CSBRT I
11 CEA
12 BDO
13 LDON
14 GND
15 /RFDET O
16 PDOWN O
17 OFTR
18 NC
19 ENV
20 NC
21 NC
22 TEN
23 TEOUT O
24 FEOUT O
25 FEN
26 VREF
27 TBAL
28 FBAL
14.2. IC702 (MN662790RSC) Servo processor/ Digital signal processor/
Digital filter/ D/A converter
I/O Function
I Tracking signal input 1
I Tracking signal input 2
I Power supply
I Focus signal input
terminal 1
I Focus signal input
terminal 2
I APC amp input
O APC amp output
O RFsumming output
I Detector's input
Capacitor for OFTR
connection
I Capacitor for HPF amp
connection
O BDO output ("H" : drop
out)
I APC control
— Ground
NRFDET output ("L" :
detection)
Power-down input
O OFTR output
O N.C.
O 3T-ENV output
I N.C.
I N.C.
I TE amp input
TE amp output
FE amp output
I FE amp input
O Reference voltage output
I Tracking balance control
I Focus balance control
Digitized in Heiloo, Holland
38
12/10/2014