Aiwa CX-JT9 Service Manual page 56

CX-JT9
• MAIN BOARD IC310 BU2099FV ( BASS BOOST CONTROLLER)
Pin No. Pin Name
1 VSS
2 NC
3 DATA
4 CLOCK
5 LCK
6 to 8 NC
9 I-BASS
10 to 12 CTRL3 to CTRL1
13 BB CTRL4
14 BB CTRL3
15 BB CTRL2
16 BB CTRL1
17 NC
18 SO
19 OE
20 VDD
56
I/O
— Ground terminal
— Not used
I Serial data input from the multi controller
I Serial data transfer clock signal input from the system controller
I Serial data latch pulse clock signal input from the system controller
— Not used
O Bass boost on/off control signal output terminal "L": bass boost on
O Frequency control signal output terminal
O Bass boost control signal output terminal "H": bass boost +10dB
O Bass boost control signal output terminal "H": bass boost +8dB
O Bass boost control signal output terminal "H": bass boost +6dB
O Bass boost control signal output terminal "H": bass boost +5dB
— Not used
O Serial data output terminal Not used
— Not used
— Power supply terminal (+3.3V)
Description