JVC KD-LX300 Service Manual page 16

TA2147F-X (IC601) : Head amp
1. Pin layout & Block diagram
180 k
40 pF
2. Pin function
Pin No. Symbol I/O
1 Vcc -
2 FIN I
3 FPI I
4 TPI I
5 TNI I
6 MDI I
7 LDO O
8 SEL I
9 TEBC I
10 TEN I
11 TEO O
12 RFDC O
13 GVSW I
14 VRO O
15 FEO O
16 FEN I
17 RFRP O
18 RFRPIN I
19 RFGO O
20 RFGC I
21 AGCIN I
22 RFO O
23 RFN I
24 GND -
30 k 40 k
Function
3.3V power supply terminal
Main-beam amp input terminal
Main-beam amp input terminal
Sub-beam amp input terminal
Sub-beam amp input terminal
Monitor photo diode amp input terminal
Laser diode amp output terminal
APC circuit ON/OFF control signmal, laser diode (LDO) control signal input or
bottom/peak detection frequency change terminal
Tracking error balance adjustment signal input terminal
Tracking error signal generation amp negative-phase input terminal
Tracking error signal generation amp output terminal
RF signal peak detection output terminal
AGC/FE/TE amp gain change terminal
Reference voltage (VRO) output terminal
Focus error signal generation amp output terminal
Focus error signal generation amp negative-phase input terminal
Signal amp output pin for track count
Signal generation amp input terminal for track count
RF signal amplitude adjustment amp output terminal
RF amplitude adjustment control signal input terminal
RF signal amplitude adjustment amp input terminal
RF signal generation amp output terminal
RF signal generation amp input terminal
GND terminal
10 pF
1.3V
40 k
60 A
10 pF
KD-LX300/KD-LX100
1-35