LZ-651W
4
●
Microprocessor : TMP88CP38AF-NK (MAIN unit : IC301)
Pin No
Pin Name
I/O
Function (Pin condition)
1
L_MUTE_DET
I
NAVI voice interruption detection input terminal (Hi : With no voice interruption L : Navigation voice interruption)
2
PRK_DET
I
Parking sensor detection input terminal (H : Parking brake-on, L : Parking brake-off)
3
MODE
I
Change condition of microprocessor (H : NTSC, L : PAL)
4
NAVI/AV
O
Voice select output terminal for NAVI or AV-IN (H : Navigation, L : AV IN)
5
ACC_DET
I
Accessories power supply detection input terminal (H : ACC on, L : Drop down of ACC voltage line)
6
BEEP
O
Beep signal output terminal (2kHz pulse : timing for 60ms)
7
A_MUTE
O
Audio muting control signal output terminal (H : Muting on, L : Muting off)
8
NAVI_SYNC
I
NAVI SYNC detection input terminal (NTSC sync)
9
OPT_SENS
I
Optical sensor data input terminal (Analog input)
10
MDS
O
A screen display mode setting output terminal (* Please see for Table of Display mode)
11
MDW
O
A screen display mode setting output terminal (* Please see for Table of Display mode)
12
P_WATCH
I
Transformer output voltage surveillance input terminal (H : Abnormalities With transformer no output, L : Normal)
13
PAL/NTSC
O
Change condition of NTSC or PAL signal (H : NTSC, L : PAL)
14
REMO_SEL
O
Remote control data transmission change output to NAVI unit (H : transmission, L : no transmission)
15
VMUTE
O
Picture signal muting output terminal (H : Muting on, L : Muting off)
16
MDN
O
A screen display mode setting output terminal (* Please see for Table of Display mode )
17
NC
-
NC
18
OSD_R
O
R signal output for OSD (digital RGB)
19
OSD_G
O
G signal output for OSD (digital RGB)
20
OSD_B
O
B signal output for OSD (digital RGB)
MICROCOMPUTER’S TERMINAL DESCRIPTION
Ref No.
Parts No.
Specification / Function
Q506
2SC2413K
VCO circuit (23.979MHz for NTSC)
Q507
2SC4081
Impedance conversion
Q508
2SC4081
Buffer amp for synchronize signal
Q509
2SC4081
Croma trap selector (PAL : L, NTSC : H)
Q510
2SC4081
Synchronize signal clamp circuit
Q511
2SA1576A (R,S)
Synchronize signal amp (for NAVI signal)
Q512
2SC4081
Q515
2SC4097
Liquid crystal display drive circuit (-side)
Q516
2SA1577
Liquid crystal display drive circuit (+ side)
Q702
DTC124EUA
Adjustment to horizontal position for NAVI / AV IN video signal
COMPONENTS DESCRIPTION
