Kenwood KDC 219 Service Manual

Page 4

KDC-2019/V/217/8/219/29MR

/2020/3

020/4020

MICROCOMPUTERS TERMINAL DESCRIPTION / ADJUSTMENT

Pin No. Pin Name l/O Purpose Processing in STBY Mode
54 LOE/LIM SW | CD mechanism Down & Limit detection Hi-Z
55 MOSW 0 CD mechanism motor switching L
56 LO/EJ |/O Lo/Ej switching Hi-Z
57 M-STOP O Mechanism COM stop output L
58 M-RST O Mechanism COM reset output H
59 M-MUTE l Mechanism COM mute input Hi-Z
60 RESET | System reset input Hi-Z
61 FIEMO | Remote control input Hi-Z
62 FI-CLK l FIDS CLOCK Hi-Z, L when RDS is not available.
63 CH-FIEQC l 5-wire CH request (CH) Hi-Z, L when CH is not available.
64 L08 SW | Loading SW detection Hi-Z
65 KEY-REQ | Key input detection Hi-Z
66 12EJE SW l 12 cm disc detection Hi-Z
67 VssO - GND potential (for ports) -
68 VDD1 - Positive power supply (for other parts than ports and analog circuitry) -
69 X2 - Main system clock oscillation -
70 X1 | Main system clock oscillation -
71 IC - Flash uCOM write -
72 XT2 - Not used -
73 XT1 - Not used (Connected to 5V power supply) -
74 VDDO - Positive power supply (for ports) -
75 AVFIEFO l 5V power supply (A/D converter reference voltage) -
76 S-METER l S-rneter input Hi-Z
77 PHONE | Navtgation muting 2.5V or more, Telephone muting 1V or less. Hi-Z, L when TEL is not available.
78 NOISE l FM noise detection Hi-Z, L when FIDS is not available.
79 NC 0 Not used L
80 AVCONT 0 ND reference voltage control L
TUNER (RECEIVER) ALIGNMENT
No. ITEM INPUT SETTINGS ALIGN FOR
SETTINGS POINTS
FM SECTION
While holding preset 1" key, press and
98.1MHZ TEST MODE : ON
Preset 1" key, and hold preset 6" key for a few seconds.
1 SD 0 dev FM _
preset 6" key 1111"Is good.
35dBp (ANT input) 98.1MHZ .
0000" Is not good.
AM SECTION
While holding preset 1" key, press and
990kHZ TEST MODE : ON
Preset 1" key, and hold preset 6" key tor a few seconds.
(1) so 0% mod AM _
preset 6" key 1111"Is good.
35dBp (ANT input) 990kHz .
0000" Is not good.

TEST MODE : ON
TEST MODE : OFF

While holding the FM key and preset 6" key, reset the unit.

Reset the unit.