JVC KD-S687 Service Manual page 23

TA2147F-X (IC501) : RF amp
1. Pin layout & Block diagram
2. Pin function
Pin
Symbol I/O
No.
1 Vcc -
2 FNI 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
180 k
40 pF
Function
3.3V power supply pin
Main-beam amp input pin
Main-beam amp input pin
Sub-beam amp input pin
Sub-beam amp input pin
Monitor photo diode amp input pin
Laser diode amp output pin
APC circuit ON/OFF control signal, laser diode control signal input
or bottom/peak detection frequency change pin
Tracking error balance adjustment signal input pin
Tracking error signal generation amp negative-phase input pin
Tracking error signal generation amp output pin
RF signal peak detection output pin
AGC/FE/TE amp gain change pin
Reference voltage output pin
Focus error signal generation amp output pin
Focus error signal generation amp negative-phase input pin
Signal amp output pin for track count
Signal generation amp input pin for track count
RF signal amplitude adjustment amp output pin
RF amplitude adjustment control signal input pin
RF signal amplitude adjustment amp input pin
RF signal generation amp output pin
RF signal generation amp input pin
GND pin
10 pF
40 k
1.3 V
40 k
60 A
10 pF
KD-S687
1-23