Terminal Description - Kenwood LZ-701W Service Manual

OSD Microcomputer (M37212EFFP : IC101)
Pin Functions
No. Port name I/O
1 NC –
2 NC –
3 NC –
4 NC –
5 P00 I
6 P01 I
7 P02 I
8 P03 I
9 NC –
10 A-D5 I
11 – –
12 – –
13 – –
14 INT2 I
15 INT1 I
16 P33 I
17 – –
18 P24 O
19 – –
20 P26 I
21 NC –
22 NC –
23 NC –
24 NC –
25 NC –
26 NC –
27 – –
28 CNV
SS
29 X_IN I
30 X_OUT O
31 V
SS
32 NC –
33 NC –
34 V
CC
35 – –
36 – –
37 RESET I
38 P31 O
39 NC –
40 P30 I

TERMINAL DESCRIPTION

Signal name
–
–
–
–
SCRN "SCRN" key input. ACT "L".
UP ">" key input. ACT "L".
DOWN "<" key input. ACT "L".
MODE "MODE" key input. ACT "L".
–
TEMP Temperature sensor input.
When the voltage is 1.5 V or more in CINEMA/ZOOM mode,
the VCOM amplitude is increased.
– Not use.
– Not use.
– Not use.
VIN NTSC/PAL identification input
NTSC or PAL is identified according to the input V-SYNC frequency
and the output at pin 58 is switched accordingly.
SC_REQ TV microcomputer communication port.
RMC Remote control input.
– Not use.
MC_CLK TV microcomputer communication port.
– Not use.
SC_DATA TV microcomputer communication port.
–
–
–
–
–
–
– Not use.
CNV GND
SS
XIN Main clock oscillation input.
XOUT Main clock oscillation output. 8 MHz.
V GND
SS
–
–
V Supply voltage. +5 V +/-10%.
CC
– Not use.
– Not use.
RESET Reset input.
RGB/V RGB/Video identification input. When the TV tuner is connected, H: RGB.
When the hideaway box is connected, L: VIDEO.
–
PARK Parking input. H: Parking. L: Running.
When "L" is input, the "ATTENTION" OSD appears.
This is invalid when the TV tuner is connected.
LZ-701W
Function
–
–
–
–
–
–
–
–
–
–
–
–
–
–
P-U, P-D
PULL UP
PULL UP
PULL UP
PULL UP
PULL UP
PULL UP
PULL DOWN
PULL DOWN
3