RXD-655/755
12
CIRCUIT DESCRIPTION
Port No.
Port Name
I/O
Function
1
VREF
O
Reference voltage output.
2
MPXIN
I
Baseband (multiplexed) signal input.
3
VDDA
-
Analog power supply (+5V).
4
VSSA
-
Analog ground.
5
FLOUT
O
Subcarrier output (filter output).
6
CIN
I
Subcarrier input (comparator input).
7
TEST
I
Test input.
8
XOUT
O
Crystal oscillator output (4.332MHz).
9
XIN
I
Crystal oscillator input (4.332MHz).
10
VSSD
-
Digital ground.
11
VDDD
-
Digital power supply (+5V).
12
MODE
I
Read mode setting (0 : master, 1 : slave).
13
RST
I
RDS-ID/RAM reset (positive polarity).
14
RDDA
O
RDS data output.
15
RDCL
I/O
RDS clock output (master mode)/RDS clock input (slave mode).
16
RDS-ID/READY
O
RDS-ID/READY output (negative polarity).
2-2 RDS Demodulation LSI(TUNER Section, ICT21)
3. Test Mode
3-1 How to Set up the Test Mode
• During POWER OFF mode, push below each 2 keys and [POWER] key.
Then go to each TEST MODE.
3-2 Cancelling the Test Mode
• Turn the power off.
KEYS
TEST MODE
[ POWER ] [ SOUND ] + [ CD ]
CD TEST MODE
[ POWER ] [ SOUND ] + [STOP ]
ALL CLEAR (RESET)
[ POWER ] [ TUN DOWN ] + [ TUNER ]
PRODUCTION INITIALIZE FOR
CHANGER
[ POWER ] [ REC ] + [ CD ]
CD CHANGER TEST
