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Microcomputer's Terminal Description - Kenwood LZ-651W Service Manual

6.5-inch wide tft color monitor
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LZ-651W
Ref No.
Q506
2SC2413K
Q507
2SC4081
Q508
2SC4081
Q509
2SC4081
Q510
2SC4081
Q511
2SA1576A (R,S)
Q512
2SC4081
Q515
2SC4097
Q516
2SA1577
Q702
DTC124EUA

MICROCOMPUTER'S TERMINAL DESCRIPTION

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

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