JVC KD-LX50R Service Manual

QUAL
RDDA
RDCL
T57
VSDDTESTMODEVSSA
OSCI OSCO VDDD
SCOUT
MUX
CIN
VDDA
Vref
4
8
7
5
3
6
Vp1
91011
15
16
2
1
13 14 12
ANTI-
ALIASING
FILTER
RECONSTRUCTION
FILTER
OSCILLATOR
AND
DIVIDER
DIFFERENTIAL
DECODER
QUALITY BIT
GENERATOR
BIPHASE
SYMBOL
DECODER
TEST LOGIC AND OUTPUT
SELECTOR SWITCH
57kHz
BAND PASS
(8th ORDER)
CLOCKED
COMPARATOR
CLOCK
REGENERATION
AND SYNC
REFERENCE
VOLTAGE
COSTAR LOOP
VARIABLE AND
FIXED DIVIDER
SAA6579T-X (IC51) : RDS demodulator
1. Pin layout 2. Pin function
3. Block diagram
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Quality indication output
RDS data output
Reference voltage output (0.5VDDA)
Multiplex signal input
+5V supply voltage for analog part
Ground for analog part (0V)
Sub carrier input to comparator
Sub carrier output of reconstruction filter
Oscillator mode / test control input
Test enable input
Ground for digital part (0V)
+5V supply voltage for digital part
Oscillator input
Oscillator output
57kHz clock signal output
RDS clock output
QUAL
RDDA
Vref
MUX
VDDA
VSSA
CIN
SCOUT
MODE
TEST
VSSD
VDDD
OSCI
OSCO
T57
RDCL
Pin
No.
Symbol Function

JVC KD-LX50R Specifications

General

Brand	JVC
Model	KD-LX50R
Category	Car Receiver
Language	English