KENWOOD KDC216S
Service Manual

KDC-216S/2018
MICROCOMPUTER'S TERMINAL DESCRIPTION
qTerminal Description
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Function AV CONT IC2 TYPE0 IC2 TYPE1 AVSS M MUTEL N.C AVREF1 ILLUMI L RES PANEL L DATAL L DATAS L CLK N.C N.C CH-DATAC CH-DATAH CH-CLK L CE N.C M RST M STOP MOSW PLL SCL AM+B FM+B M-SCL DSI LO/EJ SW3 R DATA R QUAL VSS1 SD IC2 SCL M-SDA PLL SDA IC2 SDA MUTE N.C AFC CH-REQH CH-CON N.C P MUTE SVR I/O O I I I O I O O I I O O O O I O I/O O O O O O O O O I/O O I/O I I I I O I/O I/O I/O O O O O O O O O Description A/D converter reference voltage control output IC2 setting terminal IC2 setting terminal Ground connection terminal Muting request from the MICOM. of CD mecha. Not used D/A converter reference voltage input Illumination AVR ON/OFF control output Reset output to the LCD driver IC Panel open/close detection input Data input from the LCD driver IC Data output to the LCD driver IC Clock output to the LCD driver IC Not used Not used Data input from changers Data output to changers Clock input/output with changers CE output to the LCD driver IC Not used Reset output to the MICOM. of CD mecha. Stop request to the MICOM. of CD mecha. CD mechanism loading motor control output Clock output to the tuner pack AM+B control FM+B control Clock input/output with the MICOM. of CD mecha. DSI output CD mecha.Loading/Eject switching output Down & limit switch detection input Data input from RDS decoder Quality input from RDS decoder Ground connection terminal SD input from the tuner pack Clock output to the E-VOL. IC Data input/output with the MICOM. of CD mecha. Data input/output with the tuner pack Data input/output with the E-VOL. IC Mute control output Not used AFC control output Request output to changers Changer control Not used Power IC mute control Power lC reset terminal Processing Operation �Hi�: ON / �Lo�: OFF �Lo�: Initial value �Lo�: Initial value connected to GND �Lo�: Mute request

�Hi�: AVR ON �Lo�: Reset �Lo�: Panel closed

�Hi�: Active �Lo�: Reset �Lo�: Stop �Hi�: Loading & Eject / �Lo�: other �Hi�: during AM reception �Hi�: during FM reception �Hi�: LED ON �Lo�: Loading / �Hi�: Eject �Hi�: Chucking / �Lo�: Pickup most inner position

connected to GND �Hi�: Station detected

�Hi�: Mute ON / �Lo�: Mute OFF �Lo�: during FM seek �Lo�: Request �Lo�: Standby / �Hi�: ON �Lo�: Mute When the momentary power down, after ACC OFF/ON is detected and after POWER ON/ OFF, the output goes �Hi� temporarily. �Hi�: POWER ON mode �Hi�: POWER ON mode except ALL OFF mode �Hi�: during FM/AM reception �Hi�: ACC OFF / �Lo�: ACC ON �Hi�: When momentary power down detected or BU OFF / �Lo�: BU ON

47 48 49 50 51 52 53 4

STBY P CON P ANT BEEP ACC DET BU DET N.C

O O O O I I O

Power IC standby control output Power control Antenna control BEEP sound output ACC detection input Momentary power down detection input Not used