Ta2104An (Ic1) : Am/Fm 1 Chip Tuner Ic - JVC RC-BZ5LB Service Manual

TA2104AN (IC1) : AM/FM 1 chip tuner IC

1.Terminal layout & Block diagram
FM RF AM
RF OUT Vcc RF IN
24 23
AM
MIX
FMRF
1 2
RF FM AM
GND RF IN LOW CUT
2.Pin function
Pin Pin Name
1
RF GND
2 FM RF IN
3
AM LOW CUT
4 MIX OUT
5
Vcc
6 AM IF IN
7
FM IF IN
8 GND
9
AGC
10 QUAD
11 R-OUT
12 L-OUT
13 LPF2
14 LPF1
15 MPX IN
16 DET OUT
17 IF REQ
18 ST LED
19 OSC OUT
20 AM OSC
21 FM OSC
22 AM RF IN
23 RF Vcc
24 FM RF OUT
FM AM OSC
OSC OSC OUT
22 21 20 19
AM
OSC
FM
OSC
BUFF
LEVEL
BUFF
DET
FM
AMIF
MIX
3 4 5 6
MIX Vcc AM
OUT IF IN
RF Stage ground
FM RF Input
AM Low Frequency Cut Filter External Component
Mixer Output
Power Supply
AM IF Amplifier Input
FM IF Amplifier Input
Ground
AM AGC External Capacitor
FM Quadrature Detector Terminal
Audio output CH-R
Audio output CH-L
LPF Terminal for Phase Detector / AM, FM Switching
LPF Terminal for Synchronous Detector / VCO Stop
FM MPX Input
AM/FM Detector Output
IF Output / IF Request control
FM Stereo Indicator Output
Local Oscillator Output
AM Oscillator
FM Oscillator
AM RF Input
RF Stage Vcc
FM RF Amplifier Output
ST IF DET
LED REQ OUT
18 17 16
IF
REQ
SW
ST
AF
BUFF
IF
BUFF
1 / 8
FM
AM
DET DET
AGC
FMIF
7 8 9
FM GND AGC
IF IN
Function
RC-BZ5LB/BZ5RD
MPX
IN LPF1 LPF2
14 13
15
AF
VCO
DECODE
DIVIDE
ST / MO
FM / AM
MUTE
10 11 12
QUAD R-OUT L-OUT
RC-BZ6BU
1-21