Alpine CDM-9825RB Service Manual page 25

Description of IC Terminal
D784216AGF :
IC601
No. Symbol
1 ENCODER1
2 ENCODER2
3 LCD RST
4 LCD DI
5 LCD CE
6 LCD CLK
7 LCD DO
8 NC
9 VDD
10 POWER-IC ON
11 NOSE POWER
12 BL-LCD ON
13 POWER CONT
14 DIMMER
15
NC
16
17 GAIN SEL
18 V-CONT
19 REMOCON
20
NC
21
22 Vpp
23 SCL
24 SDA
25 RDS SCL
26 RDS SDA
27 E.VOL SCL
28 E.VOL SDA
29 AUTO ADJ
30 NC
31 LCD SEL(PULL-DOWN)
32 CD STBY
33 0 MUTE-DET
34 CD RST
35 CD CS
36 V-Link SEL
37 VDD
38 X2
39 X1
40 GND
41 XT2(NC)
42 XT1(GND)
43 RESET
44 BATT DET
45 ACC DET
46 NC
I/O
I Encoder Data input terminal.
O RESET signal output terminal to LCD Driver (PT6583LQ).
O Serial Data signal output terminal to LCD Driver (PT6583LQ).
O Chip Enable signal output terminal to LCD Driver (PT6583LQ).
O Serial Clock signal output terminal to LCD Driver (PT6583LQ).
I Serial Data signal input terminal from LCD Driver (PT6583LQ).
- No connect terminal.
- Power supply terminal.
O STBY CONT signal output terminal to Power IC.
O Power supply control signal output terminal of LCD Driver and Remote Control.
O Power supply control signal output terminal of LCD backlighting.
O Power supply control signal output terminal of Audio and Key lighting.
I Dimmer control signal input terminal
- No connect terminal.
I Sub-W output GAIN set up input terminal.
O Power supply control signal output terminal of Servo/Mechanism.
I Remote Control Data input terminal.
- No connect terminal.
- Flash Memory writing terminal.
O Serial Clock signal output terminal to TUNER.
I/O Serial Data signal input/output terminal to TUNER.
O RDS Clock output terminal from RDS Decoder (SAA6588T).
I/O RDS Data input/output terminal to RDS Decoder (SAA6588T).
O Serial Clock signal output terminal to E.VOL (TDA7412).
I/O Serial Data signal input/output terminal to E.VOL (TDA7412).
I Auto adjustment control signal input terminal. (L : Auto adjustment)
- No connect terminal.
- Pull-down connect terminal.
O Stand-by control signal output terminal of Mechanism u-COM.
I 0-bit MUTE signal input terminal.
O RESET signal output terminal of Mechanism u-COM.
O Communication control signal output terminal of Mechanism u-COM.
I V-Link set up input terminal.
- Power supply terminal.
- Main System Clock OSC input terminal. (12.288MHz)
GND connect terminal.
-
- No connect terminal.
GND connect terminal.
-
I System RESET signal input terminal.
I BATT detect signal input terminal. (Compulsion Stand-by)
I ACC (IGNITION) detect signal input terminal.
- No connect terminal.
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Terminal Description
TO SCHEMATIC
CDM-9825RB
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