Technics SJ-HD501 Servise Manual page 39

16.2. IC2 (AN8814SB-E1) : FOCUS/TRACKING COIL,
SPINDLE/TRAVERSE MOTOR DRIVE
Pin Mark I/O
No. Division
26 VCC I
27 NRFDET/ O
OFTR
28 NRFLD I
29 RF DATA I
30 RFCK I
31 NRFSTBY I
32 OUT RF O
33 CRF —
AGC
34 EQ IN I
35 ARFO O
36 SVREF I
37 VREF O
38 RF1 I
39 RF2 I
40 F1 I
41 F2 I
42 CLPF1 —
43 CLPF2 —
44 A I
~47 ~D
48 CENVC —
Function
Power supply terminal
(+3V)
NRFDET/off track signal
output terminal
Serial command latch
signal input terminal
Serial command data
signal input terminal
Serial command clock
input terminal
Standby control signal
input terminal
EFM signal output terminal
RFAGC capacitor
connection terminal
EQ input terminal
RF amp. output terminal
Reference voltage input
terminal
Reference voltage output
terminal
RF1 signal input terminal
RF2 signal input terminal
F1 signal input terminal
F2 signal input terminal
APP compensation LPF
capacitor connection
terminal
RF equalizer adjustment
resistor connection
terminal
Beam A~D signal input
terminal
Beam E signal detection
capacitor connection
terminal
39