Kenwood KRF-V4530D Service Manual page 6

KRF-V430D/VO030D/V6030D/VR-405/406/414
CIRCUIT DESCRIPTION
Pin description of microprocessor : X14,1C1(MN1 01C35DRA)
Pin Name Description
S. DATA
Serial data signal.
S.BUS
Serial busy signal.
SEL. ST1
Strobe output to input selector ( IC 106).
SEL/VOL/PLL DT
Data output to selector,volume and PLL IC.
SEL/VOL/PLL CLK
Clock output to selector,volume and PLL IC.
SEL. ST2
Strobe 2 output to input selector ( IC 109).
PLL. CE
PLL chip enable.
C]N |} OD) OT] B] OO) ND]
Vdd (+5v)
Power supply.
OSC OUT 8MHz clock output.
OSC IN
8MHz clock input.
Vss
Connected to ground.
XIN
Connected to ground.
X OUT
vfede jl alelaieisisiele
No used.
MMCD
Connected to ground.
Vref-
Connected to ground.
KEY2,KEY1
Input terminal of key1 and key2.
MODEL TYPE
Discrimination port of models.
TH. SENS
No used.
PROTECT
Detection port of protection signal 1.
PROTECT2
Detection port of protection signal 2.
2
S.LEVEL/CH SPACE
RDS S level and channel space changeover.
2 PLL DO RDS PLL data signal input.
2
2
3 '
5
6
2 CE Chip enable.
2 RESET Reset signal input.
29
RF DT
l
|
27 T. MUTE
CE signal output of RF receiver IC.
Data signal output of RF receiver IC.
30 RF CLK
Clock signal output of RF receiver IC.
31 VOL.ST
O
O
O
O
Latch output of electric volume.
32 DSP INTREQ VO
Detection port of DSP INTREQ.
33 DTS DET
Detection port of DTS data.
34
REMOCON
Remote control signal input.
35 DIR ERR
Detection port of DIR error signal.
36 DZF
Detection port of CODEC zero input.
37 RDS.CLK
RDS clock input.
38
RDS.DAT/CE2 | RDS data input./u-COM chip enable 2.
39 DSP/DIR/CORDEC CDIN
Serial data output.
40 DSP/DIR/CDOUT
Serial data input.
41
DSP/DIR/CORDEC CCLK
Clock output to IC2, IC5 and IC510n X08.
42 DSP CS
DSP chip select.
al
DSP PD
DSP power down.
44
DIR CODEC CS
CODEC chip select.
45 DIR CODEC PD
DIR CODEC power down.
46 NO USE
No used.
1G-11G
ic FL grid control(1G-11G).
P1-P17
FL segment control(P1-P17).
PACK CONT.
Power pack control.
LIMMITER
Control port of A class power supply.
REAR RE
Relay control terminal of surround speaker.
CENTER RE
Relay control terminal of center speaker.
FB RE
iL
Relay control terminal of front B speaker.
FA RE
|
I
I
I
|
I
O
|
O
O
O
O
oO
O
oO
oO
O
O
oO
oO
O
Relay control terminal of front A speaker.