MX-KA6
1-29
1. Terminal layout
-
+
+
-
OUT1
- IN1
+IN1
VEE
Vcc
OUT2
- IN2
+IN2
BA15218DIP (IC102) : Dual low noise operational amp.
LA1823DIP (IC1) : 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
Summary of Contents for CA-MXKA6
Page 23: ...MX KA6 1 23 1 Pin descriptions 2 Block diagram Optical disc ICs BA5936S IC621 ...
Page 37: ...MX KA6 2 1 A B C D E F G 1 2 3 4 5 Block diagram ...
Page 38: ...MX KA6 2 2 MX KA6 Standard schematic diagrams A B C D E F G 1 2 3 4 5 Main section ...
Page 39: ...MX KA6 2 3 A B C D E F G 1 2 3 4 5 Tuner section ...
Page 40: ...MX KA6 2 4 MX KA6 A B C D E F G 1 2 3 4 5 CD section ...
Page 41: ...MX KA6 2 5 A B C D E F G 1 2 3 4 5 Power Amplifier ...
Page 42: ...MX KA6 2 6 MX KA6 A B C D E F G 1 2 3 4 5 FL Display and CPU control ...
Page 43: ...MX KA6 2 7 A B C D E F G 1 2 3 4 5 Power transformer section ...
Page 44: ...MX KA6 2 8 MX KA6 Printed circuit boards Main top PWB A B C D E F G 1 2 3 4 5 ...
Page 45: ...MX KA6 2 9 A B C D E F G 1 2 3 4 5 Main bottom PWB ...
Page 46: ...MX KA6 2 10 MX KA6 A B C D E F G 1 2 3 4 5 FL Display and CPU TOP ...
Page 47: ...MX KA6 2 11 A B C D E F G 1 2 3 4 5 FL Display and CPU BOTTOM ...
Page 48: ...MX KA6 2 12 MX KA6 A B C 1 2 3 4 5 Power Amp PWB A B C D 1 2 3 4 5 Power trans PWB ...
Page 49: ...MX KA6 M E M O ...
Page 52: ...MX KA6 3 2 M E M O ...
Page 61: ...MX KA6 3 11 M E M O ...