KRF-V4530D/V5030D/V6030D/VR-405/406/414
6
CIRCUIT DESCRIPTION
Pin No.
Pin Name
I/O
Description
1
S. DATA
I/O
Serial data signal.
2
S.BUS
I/O
Serial busy signal.
3
SEL. ST1
O
Strobe output to input selector ( IC106).
4
SEL/VOL/PLL DT
O
Data output to selector,volume and PLL IC.
5
SEL/VOL/PLL CLK
O
Clock output to selector,volume and PLL IC.
6
SEL. ST2
O
Strobe 2 output to input selector ( IC109).
7
PLL. CE
O
PLL chip enable.
8
Vdd (+5v)
-
Power supply.
9
OSC OUT
O
8MHz clock output.
10
OSC IN
I
8MHz clock input.
11
Vss
-
Connected to ground.
12
X IN
-
Connected to ground.
13
X OUT
-
No used.
14
MMCD
-
Connected to ground.
15
Vref-
-
Connected to ground.
16,17
KEY2,KEY1
I
Input terminal of key1 and key2.
18
MODEL TYPE
I
Discrimination port of models.
19
TH. SENS
I
No used.
20
PROTECT
I
Detection port of protection signal 1.
21
PROTECT2
I
Detection port of protection signal 2.
22
S.LEVEL/CH SPACE
I
RDS S level and channel space changeover.
23
PLL DO
I
RDS PLL data signal input.
24
Vref+
-
Reference voltage of AD converter..
25
CE
I
Chip enable.
26
RESET
I
Reset signal input.
27
T. MUTE
O
Muting signal output to tuner.
28
RF ST
O
CE signal output of RF receiver IC.
29
RF DT
O
Data signal output of RF receiver IC.
30
RF CLK
O
Clock signal output of RF receiver IC.
31
VOL.ST
O
Latch output of electric volume.
32
DSP INTREQ
I/O
Detection port of DSP INTREQ.
33
DTS DET
I
Detection port of DTS data.
34
REMOCON
I
Remote control signal input.
35
DIR ERR
I
Detection port of DIR error signal.
36
DZF
I
Detection port of CODEC zero input.
37
RDS.CLK
I
RDS clock input.
38
RDS.DAT/CE2
I
RDS data input./u-COM chip enable 2.
39
DSP/DIR/CORDEC CDIN
O
Serial data output.
40
DSP/DIR/CDOUT
I
Serial data input.
41
DSP/DIR/CORDEC CCLK
O
Clock output to IC2, IC5 and IC51on X08.
42
DSP CS
O
DSP chip select.
43
DSP PD
O
DSP power down.
44
DIR CODEC CS
O
CODEC chip select.
45
DIR CODEC PD
O
DIR CODEC power down.
46
NO USE
-
No used.
47-57
1G-11G
O
FL grid control(1G-11G).
58-74
P1-P17
O
FL segment control(P1-P17).
75
PACK CONT.
O
Power pack control.
76
LIMMITER
O
Control port of A class power supply.
77
REAR RE
O
Relay control terminal of surround speaker.
78
CENTER RE
O
Relay control terminal of center speaker.
79
FB RE
O
Relay control terminal of front B speaker.
80
FA RE
O
Relay control terminal of front A speaker.
Pin description of microprocessor : X14,IC1(MN101C35DRA)
