1. Terminal layout
-
+
+
-
OUT1
- IN1
+IN1
VEE
Vcc
OUT2
- IN2
+IN2
BA4558F (IC503) : Dual low noise operational amp.
1chip AM/FM, MPX tuner system
Pin
No.
Symbol
Function
I/O
Pin
No.
Symbol
Function
I/O
2. Pin function
1. Block diagram
1
AM_RFIN
I
AMRF signal input
2
REG.
-
3
AM_OSC
-
AM local oscillation circuit
4
VCC_1
-
Power supply terminal
5
FM_MIXOUT
O
Output terminal for FM mixer
6
GND_1
-
Ground
7
IF_BUFFER
O
IF buffer output
8
ST_IND
O
Stereo indicator output
9
AM_MIXOUT
O
Output terminal for AM mixer
10
FM_IF IN
I
Input of FMIF signal
11
AM_IF IN
I
Input of AMIF signal
12
AGC
I
AGC voltage input terminal
13
FM_DET
O
FM detection signal output
14
ST/MON_SW
I
Stereo/Monaural switching signal input
15
AM/FM_SW
I
AM/FM switching signal input
16
L_OUT
O
Output L-channel
17
R_OUT
O
Output R-channel
18
MPX_IN
I
Multiplex signal input
19
DET_OUT
O
AM/FM detection output
20
FM_OSC
-
FM local oscillation circuit
21
VCC_2
-
Power supply terminal
22
FM_RFOUT
O
Output of FMRF signal
23
GND_2
-
Ground
24
FM_RFIN
I
Input of FMRF signal
24
FM
RF
FM
OSC
23
GND2
21
VCC2
20
FM
MIX
PHASE
COMP
15
PILOT
DET
14
FM
DET
13
19
18
MUTE
17
16
DECODER
22
1
2
4
5
10
11
12
6
7
8
9
3
ST SW
FM
S-METER
AM
DET
VCO
FF
FF
TRIG
ST
SD
FF
AGC
FM
IF
AM
IF
AM
RF
REG
VCC1
GND1
AM
MIX
AM
OSC
OSC
BUFFER
IF
BUFFER
1. Pin descriptions
All manuals and user guides at all-guides.com
Содержание MX-GC5
Страница 19: ... CD DRIVE ICS BA5927FM IC702 All manuals and user guides at all guides com ...
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Страница 58: ...AMP SCHEMATIC DIAGRAM All manuals and user guides at all guides com ...
Страница 59: ...Power SCHEMATIC DIAGRAM All manuals and user guides at all guides com ...
Страница 60: ...FRONT SCHEMATIC DIAGRAM All manuals and user guides at all guides com ...
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Страница 63: ...AMP PCB TOP All manuals and user guides at all guides com ...
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