Alpine CDA-9830R Service Manual page 34

No. Symbol
51 MARKET1
52 MARKET2
53 MARKET3
54 AUTOADJ
55
NC
I
71
72 VSS
73
NC
I
80
81 VDD
82
I NC
91
92 PAUSE
93 DAVN
94 TEST/VPP
95 RDS SDA
96 RDS SCL
97 IIC SCL
98 IIC SDA
99 TUNER ON(NC)
100 FM/AM
M30626FHPGP :
IC501
No. Symbol
1 NC
2 REMOCON DATA
3 LCD DO
4 LCD DI
5 LCD CLK
6 GND(BYTE)
7 GND(CNVss)
8
32.768kHz
9
10 RESET
11 6MHz
12 GND
13 6MHz
14 VCC
15 NMI
16 8V-DET
17 ACC-DET
18 BATT-DET
19 BL LED
20 V-CONT
21 NC
22 BUZZER
I/O
I Area set up terminal.
I Auto adjustment start signal terminal of FM/AM TUNER. (L:start)
- No connect terminal.
- GND terminal.
- No connect terminal.
- Power supply terminal.
- No connect terminal.
I Audio signal detect terminal. (L:Blank)
I Data available input terminal of RDS Decoder.
- GND terminal.
I/O Data input/output terminal to RDS Decoder.
O Clock output terminal to RDS Decoder.
O I2C clock output terminal to TUNER-IC(TDA7511).
I/O I2C data input/output terminal to TUNER-IC(TDA7511).
- No connect terminal.
O FM/AM power supply switching terminal. (L:FM)
I/O
- No connect terminal.
I Remote control input terminal.
O Serial DATA signal output terminal to LCD Driver.
I Serial DATA signal input terminal from LCD Driver.
O Serial clock signal output terminal to LCD Driver.
- GND terminal.
I
Crystal OSC connect terminal for sub system clock OSC.
O
I System RESET input terminal.
O Crystal OSC connect terminal for main system clock OSC.
- GND terminal.
I Crystal OSC connect terminal for main system clock OSC.
- Power supply terminal.
- Pull-up connect terminal.
I 8V ON detection input terminal.
I ACC ON detection signal input terminal.
I BATT ON detection signal input terminal.
O LED control signal output terminal for LCD backlight.
O CD BATT power supply control signal output terminal.
- No connect terminal.
O BUZZER signal output terminal.
- 40 -
Terminal Description
Terminal Description
TO SCHEMATIC
CDA-9830R
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