Microcomputer's Terminal Description; Operating Condition - Kenwood KRC-335 Service Manual

KRC-335/365/465/465W/565

MICROCOMPUTER'S TERMINAL DESCRIPTION

(X14-) IC1: µ-COM
PORT No. PORT NAME I/O
1 X IN
2 GND
3 L-DATA L
4 L-DATA S
5 L-CLK
6 L-CE
PANEL
7
8 PLL-DATA
9 PLL-CLK
10 SD
11 CH-DATA C
12 CH-DATA H
13 CH-CLK
CH-REQ C
14
15 MOTOR
16-20 -
21 CH-CON
CH-REQ H
22
23 MUTE
24 IC2-SCL
25,26 -
27 IC2 TYPE 0
28 -
29 TYPE 1
30 TYPE 0
31 VDD
32 IC2-SDA
SW 5V
33
P-MUTE
34
35 P-STBY
36 SVR
37 EN1
38 EN3-1
39 EN3-0
40 EN2-1
41 EN2-0
42 -
43 MS-CONT
44 BEEP
45 BU-DET
46 P.CON-DET
47 P.ANT-DET
MUSIC
48
49 METAL
50 DOLBY
51 EQ-MUTE
FWD/REV
52
53,54 -
55 PACK-IN
REMOTE
56
57 -
58 DSI
59 SUB+
60 SUB-
4
FUNCTION
I Clock: 4.5MHz.
- GND.
I LCD driver data.
O LCD driver data.
O LCD driver clock.
O LCD driver chip enable.
I Panel detection.
I/O Tuner data.
O Tuner clock.
I Tuner band muting.
I 5-line CD-CH communication data.
O 5-line CD-CH communication data.
I/O 5-line CD-CH communication clock.
I 5-line CD-CH communication request.
O Cassette mechanism main motor.
- -
O 5-line CD-CH communication control.
O 5-line CD-CH communication request.
O Muting.
O IC2 clock.
- -
I Model discrimination.
- -
I destination discrimination.
I destination discrimination.
- Power supply.
I/O IC2 data.
O SW 5V control.
O Power IC muting.
O Power IC stand-by.
O Power IC discharge control.
O Power supply IC control.
O Power supply IC control.
O Power supply IC control.
O Power supply IC control.
O Power supply IC control.
- -
O Tape signal sensitivity switch.
O Beep.
I Back-up detection.
I Power control short-circuited detection.
I Power antenna short-circuited detection.
I Tape signal detection.
O Normal/Metal tape switch.
O Dolby switch.
O Tape equalizer muting.
I Cassette mechanism running direction.
- -
I Cassette mechanism pack-in.
I Remote signal shape.
- -
O Disable System Indicator.
O Cassette mechanism sub motor.
O Cassette mechanism sub motor.

OPERATING CONDITION