1-24
Pin
No.
Symbol
Function
I/O
Pin
No.
Symbol
Function
I/O
2. Pin function
LA1823DIP (IC1) : 1chip AM/FM, MPX tuner system
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-MXK10
Page 32: ...1 1 MX K30 MX K10 M E M O ...
Page 33: ...MX K30 MX K10 1 2 A B C D 1 2 3 4 5 Wiring diagram MX K10 ...
Page 34: ...1 3 MX K30 MX K10 E F G ...
Page 35: ...MX K30 MX K10 1 4 A B C D 1 2 3 4 5 6 5 4 3 2 7 Standard schematic diagrams ...
Page 36: ...1 5 MX K30 MX K10 E F G ...
Page 37: ...MX K30 MX K10 1 6 A B C D 1 2 3 4 5 Power transformer section MX K10 ...
Page 38: ...1 7 MX K30 MX K10 E F G ...
Page 39: ...MX K30 MX K10 1 8 A B C D 1 2 3 4 5 Head AMP audio power AMP and power supply MX K30 ...
Page 40: ...1 9 MX K30 MX K10 E F G ...
Page 41: ...MX K30 MX K10 1 10 A B C D 1 2 3 4 5 Power transformer section MX K30 ...
Page 42: ...1 11 MX K30 MX K10 E F G ...
Page 43: ...MX K30 MX K10 1 12 A B C D 1 2 3 4 5 CD servo control section MX K10 and MXK K30 ...
Page 44: ...1 13 MX K30 MX K10 E F G ...
Page 45: ...MX K30 MX K10 1 14 A B C D 1 2 3 4 5 Tuner section MX K10 and MX K30 ...
Page 46: ...1 15 MX K30 MX K10 E F G ...
Page 47: ...MX K30 MX K10 1 16 A B C D 1 2 3 4 5 FL display and CPU control section MX K10 and MX K30 ...
Page 48: ...1 17 MX K30 MX K10 E F G ...
Page 50: ...1 19 MX K30 MX K10 E F G ...
Page 51: ...MX K30 MX K10 1 20 A B C D 1 2 3 4 5 Main pwoer Amp circuit board Bottom side MX K10 ...
Page 52: ...1 21 MX K30 MX K10 E F G ...
Page 53: ...MX K30 MX K10 1 22 A B C D 1 2 3 4 5 Main power Amp circuit board Top side MX K30 ...
Page 54: ...1 23 MX K30 MX K10 E F G ...
Page 55: ...MX K30 MX K10 1 24 A B C D 1 2 3 4 5 Main power Amp circuit board Bottom side MX K30 ...
Page 56: ...1 25 MX K30 MX K10 E F G ...
Page 57: ...MX K30 MX K10 1 26 A B C D 1 2 3 4 5 CD CIRCUIT BOARD Top side MX K10 K30 ...
Page 58: ...1 27 MX K30 MX K10 E F G CD CIRCUIT BOARD Bottom side MX K10 K30 ...
Page 59: ...MX K30 MX K10 1 28 A B C D 1 2 3 4 5 FL CPU CONTROL KEY BOARD TOP SIDE MX K10 MX K30 ...
Page 60: ...1 29 MX K30 MX K10 E F G ...
Page 61: ...MX K30 MX K10 1 30 A B C D 1 2 3 4 5 FL CPU CONTROL KEY BOARD BOTTOM SIDE MX K10 MX K30 ...
Page 62: ...1 31 MX K30 MX K10 E F G ...
Page 63: ...MX K30 MX K10 1 32 A B C D 1 2 3 4 5 TUNER CIRCUIT BOARD TOP SIDE MX K10 MX K30 ...
Page 64: ...1 33 MX K30 MX K10 E F G ...
Page 68: ...3 3 E F G H I ...
Page 70: ...E F G H I 3 5 ...
