Kenwood KDC-W808, Service Manual

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KDC-W808/X689
6
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System Microcomputer 30624MGPA51GP (X34 : IC101)
Pin No. Pin Name Module I/O Application
Truth
Processing Operation Description
Value Table
1 WIRED_REMO EXTRA I OPEL remote controller signal input Pulse width detection
2 LX_MUTE LX_M I MUTE request from slave unit H : MUTE ON, L : MUTE OFF
3 AUD_SDA AUDIO O E-VOL data output terminal
4 AUD_SEL AUDIO O E-VOL control terminal
5 AUD_SCL AUDIO O E-VOL clock output terminal
6 BYTE
µ
COM -
7 CNVSS
µ
COM -
8 XCIN uCOM I
9 XCOUT
µ
COM O
10 RESET
µ
COM -
11 XOUT
µ
COM -
12 VSS
µ
COM -
13 XIN
µ
COM - 12.0MHz
14 VCC1
µ
COM -
15 NMI
µ
COM I Not used.
16 CN_DET EXTRA I Panel attach/detach detection H : Panel detached, L : Panel attached
17 RDS_CLK TUNER I
RDS decoder CLK input terminal
(RDS model only)
17 NC O Not used. With out RDS/RBDS output : L
18 LX_REQ_S LX_M I Communication request from slave unit
19 ACC_DET EXTRA I ACC and power supply detection With ACC : L, Without ACC : H
20 LX_REQ_M LX_M O Communication request to slave unit
21 TUN_IFC_OUT TUNER I F/E IFC OUT input terminal H : With station, L : Without station
22 BU_DET EXTRA I Momentary power down detection
With BU : L, Without BU, Momentary
power down : H
23 ILLUMI_DET EXTRA I Dimmer ILLUMI detection L : ON, H : OFF
24 ANT_CON EXTRA O Power antenna control
TUNER ON : H (K Type)
Other than STBY source : H (E Type)
25 P_CON EXTRA O External amp control terminal
POWER ON : H, POWER OFF : L,
ALL OFF : L
26 PWIC_BEEP PWIC O Beep output
27 TUN_SCL TUNER I/O F/E I2C clock input/output terminal
28 TUN_SDA TUNER I/O F/E I2C data input/output terminal
29 SYS_DATA To PANEL O SYS
↔
PAN communication data output Data output
30 PAN_DATA To PANEL I SYS
↔
PAN communication input Data input
31 SYS_REQ To PANEL O 1 : SYS_DATA output request terminal
32 PAN_REQ To PANEL I PAN_DATA output request terminal
33 CD_SDA CD I/O CD mechanism I2C data input/output terminal
33 ROMCOR_SDA EXTRA I/O
E2PROM I2C data for ROM correction
input/output terminal
34 CD_SCL CD I/O CD mechanism I2C clock output terminal
34 ROMCOR_SCL EXTRA I/O
E2PROM I2C data for ROM correction
output terminal
MICROCOMPUTER’S TERMINAL DESCRIPTION