R-A100/A150/V300/V350
7
CIRCUIT DESCRIPTION
2-2 Key matrix
DSW1~DSW4 : Tuner distination
DSW5 : R-A100/A150 or R-V300/V350 Model distination
PTY,TA / NEWS / INFO / DISPLAY(RDS) : RDS function model (R-V350/A150)
( ) : R-V300 / V350 /A100 function
✣
: R-A150 (E,T type) function
2
KR3
3
KR2
4
KR1
5
KR0
73 KS0
–
–
–
–
74 KS1
TUNING
%
DISPLAY(RDS)
PTY
TA/NEWS/INFO
75 KS2
(MULTI MODE)
(MULTI LEVEL
fi
)
(MULTI LEVEL
%
)
–
✣
CLOCK
✣
TIMER MODE
✣
TIMER SET
–
76 KS3
TUNING
fi
AUTO MEMORY
BAND
AUTO
77 KS4
(VOICE ON/OFF)
(TIMER SET)
INPUT
@
INPUT
#
78 KS5
(CLOCK SET)
(TIMER MODE)
ON/STANDBY
TAPE2(MONITOR)
✣
VOICE ON/OFF
KS6
–
–
–
–
81 KS7
DSW1(D29)
DSW2(D30)
DSW3(D31)
DSW4
82 KS8
–
–
–
DSW5(D34)
2-3 Pin description
No.
Name
I/O
Description
1
Vdd
I
Power 5V)
2-5
KR3-0
I
Key return 3-0
6,7,
ENC_VOL1,2
I
Encoder pulse detect1,2
8
HP_DET
I
Headphone detect
L: Yes
9
CE
I
Chip enable
L: Enable
10
RESET
I
Microprocessor reset
L: Reset
11,12
X1,2
I
Clock generator
13
IC(Vpp)
-
Connect to Vss
14,15
XT1,2
-
Sub clock generator
16
Vdd
-
Power 5V)
17
HP_MUTE
O
Mute of headphones
18
PROTECTION
I
Protection detection
19
SBUSY
I/O
Serial data busy
20
SDATA
I/O
Serial data
21
DSP_CLK
O
Clock for DSP
22
DSP_DATA
O
Data for DSP
23
DSP_ST
O
Strobe for DSP
24
MUTE
O
Mute control
L: Mute ON
25
Avss
-
GND of A/D converter
26
PLL_DO
O
PLL DO
27
PLL_CE
O
Chip enable for PLL
28
PLL_DATA
O
Data detection for PLL
29
PLL_CLK
O
Clock for PLL
30
T_MUTE
O
Mute for tuner
L: Mute ON
31
STEREO
I
Stereo signal detection
L: Stereo
32
SD
I
Synchro signal detection
L: SD detection
33
RDS_SLEVEL
I
Signal level of RDS
34
Avdd
-
Analog power supply for A/D converter
35
Avref
-
Reference voltage for A/D converter
36
RDS_CLK
I
Clock for RDS
37
RDS_DATA
I
Data for RDS
38
N.C.
I
No used
39
REMOCON_IN
I
Input port of remote control signal
40
Vss
-
GND
R-A100/V300(k)1P
98.4.25
11:35
y [ W
14
www.freeservicemanuals.info
27/9/2013
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