Technics SJ-HD501, Servise Manual

Page: 41 / 65

terminal
Pin
No.
Mark I/O
Division
Function
26 PC2 I Power cut 2 input terminal
27 IN3 I Focus drive input terminal
28 IN4 I Tracking drive input
terminal
16.3. IC3 (M6616RA1) : ATRAC ENCORDER/DECORDER, SERVO
SIGNAL PROCESSOR
Pin
No.
Mark I/O
Division
Function
1 ADIP I ADIP FM signal input
terminal
2 LNP I Lens position signal input
terminal
3 FE I Focus error signal input
terminal
4 TE I Tracking error signal input
terminal
5 AS I AS signal input terminal
6 DRMONI I Drive voltage monitor input
terminal
7 BAT I Battery power supply
terminal (Not used,
connected to GND)
8 AMONI — Servo analog monitor
signal output (Not used,
open)
9 VREFI I Reference voltage input
terminal
10 TOFS O Tracking off-set
adjustment output terminal
11 FBAL O Focus balance adjustment
output terminal
12 TBAL O Tracking balance
adjustment output terminal
13 TGAIN O TE error gain adjustment
output terminal
14 ASGAIN O Main beam amp gain
adjustment output terminal
15 ABGAIN O APP adjustment output
terminal
16
AVDD1
I Power supply terminal
17
AVSS1
— GND terminal
41