Marantz SR4021 - Page 15

23 24
IC71 : NJM2595M IC93 : L72723M IC24 : M62446AFP
■ Control Signal vs. Output Signal (L=V
CL
,H=V
CH
, X=L or H)
SW1 SW2 SW3 SW4 SW5 Vout1 Vout2 Vout3
H H Vin1 MUTE Vin1
L H Vin1 MUTE MUTE
L
H
X X
L MUTE MUTE Vin1
H Vin2 Vin2 MUTE
H L X L
L MUTE Vin2 MUTE
H Vin3 Vin3 Vin3
H H X L
L MUTE Vin3 Vin3
H H Vin4 Vin4 Vin4
H L MUTE Vin4 Vin4
L H Vin4 Vin4 MUTE
H
L
L H
L MUTE Vin4 MUTE
H H Vin5 Vin5 Vin5
H L MUTE Vin5 Vin5
L H Vin5 Vin5 MUTE
H
L
H H
L MUTE Vin5 MUTE
L L X X L MUTE MUTE MUTE
13
9
7
5
3
20k
20k
20k
20k
16
10 14 2
1
15
11
81264
6dB
Amp
75Ω
Driver
S3
S2
S4
S1
20k
20k
20k
S5
S6
S7
Vin1
Vin2
Vin3
Vin4
Vin5
SW3 SW4
SW5SW1SW2V
+
GND V
-
Vout3
Vout2
Vout1
6dB
Amp
6dB
Amp
75
Ω
Driver
75
Ω
Driver
Pin No. Pin Function I/O Pin circuit type
Reference voltage output (Vdda/2) Output1VREF
Base band (multiplex) signal input Input2 MPXIN
Subcarrier output (filter output) Output5 FLOUT
Subcarrier input (comparator input) Input6CIN
Analog system power supply (+5 V) — —3 Vdda
Analog system ground — —4 Vssa
Crystal element output (4.332 MHz) Output8XOUT
RDS data output Output14 RDDA
RDS clock output (master mode)
RDS clock input (slave mode)
I/O15 RDCL
RDS ID/ready output (Active low) Output
—
—
—
—
16 RDS-ID/READY
Digital system power supply (+5 V)11 Vddd
Digital system ground10 Vssd
Test input7TEST
Crystal element input (or external reference signal input)
Input
9 XIN
Readout mode setting (0: master, 1: slave)12 MODE
RDS ID and RAM reset (Active high logic)13 RST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
OUT4
volume
MCU I/F
OUTPUT
PORT
OUT3
OUT2
OUT1
AVDD
SWin
GNDS
SRin
SLin
GNDC
Cin
GNDR
Rin
GNDL
Lin
BYPASSR
BYPASSL
LTRE
LBASS3
LBASS2
LBASS1
C in
Cout
SWout
SLout
SRout
Lout
LATCH DATA CLK
µ-com
interface
Rout
SW in
SL in
SR in
BYPASS1
BYPASS2
L in
R in
DVDD
CLK
DATA
LATCH
DGND
AGND
SWout
SRout
SLout
Cout
Rout
Lout
AVss
CL1
CL2
CR1
CR2
RTRE
RBASS3
RBASS2
RBASS1
34
35
36
37
38
39
40
41
42
33
32
31
30
29
28
27
26
25
24
23
22
volume
volume
volume
tone tone
volume
volume
volume
volume
tone
IC24 : M62446AFP
PIN FUNCTIONS
PIN No. SYMBOL I/O DESCRIPTION
1 OUT4 O
2 OUT3 O Port Output
3 OUT2 O
4 OUT1 O
5 AVDD - Analog Positive Power Suppoy Port(+6.8V)
7 GNDS -
10 GNDC - Connect to analog GND
12 GNDR -
14 GNDL -
6 SW IN I
8 SR IN I Volume Input Port
9 SL IN I
11 C IN I
36 SW OUT O
35 SR OUT O Volume Output Port
34 SL OUT O
33 C OUT O
13 R IN I Tone Input Port
15 L IN I
16 BYPASS R I L,R Volume Input Port(in Bypass Mode)
17 BYPASS L I
31 L OUT O L Output Port
32 R OUT O R Output Port
18 LTRE - Tone Treble Cycle Control Port
25 RTRE -
19 LBASS3 -
24 RBASS3 -
20 LBASS2 - Tone Bass Cycle Control Port
23 RBASS2 -
21 LBASS1 -
26 RBASS1 -
22 CR2 O Tone Output Port
28 CL2 O
27 CR1 I L,R Volume Input Port
29 CL1 I
31 LOUT O L Output Port
32 ROUT O R Output Port
30 AVSS - Analog Negative Power Suppoy Port(-6.8V)
37 AGND - Analog GND
38 DGND - Digital GND
39 LATCH I Latch Input Port
40 DATA I Data Input Port
41 CLK I Clock Input Port
42 DVDD - Digital Power Supply Port(+5V)