JVC PC-X290 Service Manual page 73
Cd portable component system
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Also See for PC-X290:
- Instructions manual (48 pages) ,
- Instructions manual (24 pages) ,
- Instructions manual (24 pages)
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TA2149(IC101):3V AM/FM Chip Tuner IC(for Digital Tuning System)
1.Terminal layout
1
2
3
4
5
6
7
8
9
10
11
12
3.Pin function
Pin No.
1
RF Gnd
2
FM Rfin
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 Rfin
23
RF Vcc
24
FM Rfout
24
24
23
22
21
20
19
18
17
16
15
14
13
1
Symbol
I/O
-
I
I
O
-
I
I
-
O
O
O
O
I
I
I
O
O
O
O
I
I
I
-
O
2.Block diagram
22
21
20
23
AM
OSC
FM
OSC
BUFF
1/1 OR
1/16
BUFF
AM
MIX
FM
FM RF
MIX
2
3
4
5
Gnd for FM RF Stage
FM in
AM Low cut
Mix out
Vcc for AM, FM IF , MPX
AM IF in
FM IF in
Gnd for AM, FM if , MPX
AGC
FM detector
Right out
Left out
LPF terminal for phase detector
LPF terminal for synchronous detector
MPX in
Det out
IF REQ
ST Led
OSC out
AM OSC
FM OSC
AM Rfin
Vcc for FM RF Stage
FM Rfout
19
18
17
16
15
AF
AF
IF
BUFF
REQ
ST
SW
IF
BUFF
LEVEL
1/8
DET
FM
AM
DET
DET
AM
FM
IF
IF
AGC
6
7
8
10
9
Function
PCX290
30/MAR/2004
14
13
DECODE
DIVIDE
SM/MO
FM/AM
MUTE
12
11
51
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