KENWOOD LZ-651W Owner's Manual

Cover page of KENWOOD LZ-651W Owner's Manual

Owner's Manual for KENWOOD LZ-651W, downloadable as a PDF file.

We also have service manual to this model.

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© 2003-5 PRINTED IN JAPAN
B53-0060-00 (N) 3100
6.5-inch WIDE TFT COLOR MONITOR
LZ-651W
SERVICE MANUAL
Panel
(A64-3137-08)
Liquid crystal
(B38-1129-05)
Dressing panel
(A21-4313-08)
DC cord
(E30-3235-08)
TV stand assy
(W01-1621-05)
Clamper assy
(J11-0647-05)
Remote controller assy
KNA-RC300 (A70-2047-05)
Not supplied
(SIZE : AAA)
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© 2003-5 PRINTED IN JAPAN
B53-0060-00 (N) 3100
6.5-inch WIDE TFT COLOR MONITOR
LZ-651W
SERVICE MANUAL
Panel
(A64-3137-08)
Liquid crystal
(B38-1129-05)
Dressing panel
(A21-4313-08)
DC cord
(E30-3235-08)
TV stand assy
(W01-1621-05)
Clamper assy
(J11-0647-05)
Remote controller assy
KNA-RC300 (A70-2047-05)
Not supplied
(SIZE : AAA)
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LZ-651W
2
BLOCK DIAGRAM
2.7Vp-p/AV
1Vp-p/NAVI
1.6Vp-p/AV
0.5Vp-p/NAVI
2.2Vp-p/NAVI
4.8Vp-p/AV
5Vp-p
1Vp-p/Y,C
0.9Vp-p/SYNC
1Vp-p/SYNC
2.9Vp-p/RGB
POWER SUPPLY
TFT LCD
MAIN UNIT (X09-716)
LEVEL DIAGRAM
AUDIO
SW
IC401
SIGNAL
AUDIO
IC402
AMP
ISO
MIX
AMP
AUDIO
IC405
VIDEO
SIGNAL
NAVI SYNC
1Vp-p
AV VIDEO
NAVI RGB
0.7Vp-p
1Vp-p
AV AUDIO
1Vrms
NAVI AUDIO
320mVrms
LEVEL
UP
SIGNAL
VIDEO
IC502
PROCESSOR
FILTER
TIMING
CONTROL
IC503
LCD
TFT
to NAVI
ANALOG
SW
IC401
MIX
ISO AMP
IC402
POWER AMP
IC405
L.P.F.
PROCESSOR
VIDEO SIGNAL
IC502
T. FILTER
LEVEL UP
Q512
MI-COM
SEPARATOR
SYNCHRO
Q508
Q509
IC505
IC301
EEPROM
IC303
RESET
IC302
IC501
DELAY LINE
BASEBAND
IC506,Q515,516
VCOM DRIVER
+7.5V/-16V
CONTROL IC
TIMING
IC503
PLL
IC504
SENSOR
IC201
REMO
DIMMER
SENSOR
S201
IC202
Q107,108,118
M5V AVR
IC101,Q105
FLYBACK
CIRCUIT
Q101
CIRCUIT
CHOPPER
IC101
to
BATTERY
SP
SP
6.45inch
TFT LCD
Q114-116
INVERTER
R
L
R
L
R
L
(VOL MAX)
NAVI R
NAVI L
AGND
NAVI SYNC
NB
REMO
NR
NG
A-IN
V-IN
GND
NAVI L,NAVI R
A-IN
R
L
R
L
VOL/MUTE
V-IN
SYNC
Y,C
CF1,CF2
NAVI SYNC
NR,NG,NB
I2CBUS
SEL
A
UDIO
OSD R,G,B
PARKING
MUTE
ACC DET
V MUTE
P-ON
BEEP
ACC
I2CBUS
16MHz
VD,HD
MDS,MDW,MON
VCOM
SYNI
FRPT
POL
HSS
OSCI
OSCO
REMO
14.4V
ACC
M5V
+13V
+7.5V
+5V
+3V
-16V
-10.9V
GND
MUTE
PARKING
ACC
RGB
VCOM
CLD
CLS
SPS
VR1
MOD1
MOD2
CTR
SPIO
HR
SPOI
SAM
-10V
-16V
+5V
-10V
+13V
BL7.8V
LIGHT
BACK-
P-ON
P-ON
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LZ-651W
3
COMPONENTS DESCRIPTION
MAIN UNIT (X09-7161-00/7162-00)
Ref No.
Parts No.
Specification / Function
IC101
FA7703V
Switching power supply control IC (Main system and the power supply for inverters are
controlled. It has the regulator of 2.2V in an inside.)
IC201
TSOP1838-NK
Remote control IC (In response to the infrared signal from remote control data is
transmitted to a microprocessor).
IC202
TC7SH08F-TE85L
Remote control signal buffer (When the microprocessor pin No. 14 is H, remote control
signal is sent to NAVI unit)
IC301
TMP88CP38AF-NK
System control microprocessor (In addition to the demand processing from remote control
etc., OSD is displayed on a liquid crystal display monitor by the RGB output data)
IC302
S-80845CNNB-NK
System reset IC
IC303
S-24CS02AFB-NK
E2PROM (Such as a user setup data is back up for E2PROM memory)
IC401
TC4053BF (N)
C-mos analog switch (Selector of Input audio signals)
IC402
BA3121F
Reduces of in-phase of noise for input signal
IC405
TDA7052BT
Monophonic power amplifier of an audio power amplifier BTL system. Volume is controlled
on the voltage of VC terminal.
IC501
TDA4665T
Base band delay line (One-line delay line)
IC502
AN2546FH-A
Video signal processing IC for liquid crystal display monitor
IC503
LZ9GJ25
Timing control IC for liquid crystal display monitor
IC504
NJM2107F
VCO low path filter
IC505
MM1108XFFE
Vertical synchronies separation IC (PAL/NTSC automatic distinction)
IC506
NJM4580V
VCOM signal is received from the dual operational amplifier IC 502, and gain adjustment
and a level shift are performed.
Q101
2SJ377
Switching regulator
Q105
2SK3416TL-NK
Switching regulator (Main power supply : Power MOS FET)
Q106
2SD1766
Power supply for COM signal line (7.5V)
Q107
2SB1203-FA
Power supply for microprocessor (5V)
Q108,118
2SC4081
Q112
DTC124EUA
PWM signal buffer (from microprocessor)
Q113
DTA143EUA
Switching for inverter circuit (receiving to PWM signal from microprocessor)
Q115,116
2SC3518-Z-T1LK
Inverter voltage circuit (Switching frequency 55KHz)
Q201
2SC4081
ACC voltage detector
Q202
DTA124EUA
Packing detector
Q203
DTC124EUA
Muting detector
Q204
2SA1576A (R,S)
ACC voltage detector (detect voltage=9.5V)
Q205
DTC124EUA
ACC voltage high detector (17V)
Q401
DTC124EUA
Switching transistor (select to input signal NAVI or AV IN)
Q403
DTC124EUA
Audio muting transistor
Q404
DTC124EUA
Buzzer driver (BZ401)
Q501
2SC4081
Vertical synchronize separation
Q503,504
2SC4081
Composite synchronize buffer amp (Voltage shift 3V to 5V)
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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)
4NAVI/AV
O
Voice select output terminal for NAVI or AV-IN (H : Navigation, L : AV IN)
5ACC_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)
8NAVI_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
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LZ-651W
5
MICROCOMPUTER'S TERMINAL DESCRIPTION
*DISPLAY MODE
MDS (10pin)
MDW (11pin)
MDN (16pin)
FULL
H
H
H
WIDE
H
H
L
NORMAL
H
L
H
CINEMA
H
L
L
ZOOM
L
H
H
Pin No
Pin Name
I/O
Function (Pin condition)
21
OSD_BLK
O
The blanking signal output for OSD (H : Displaying for OSD, L : Non-displaying for OSD)
22
HD
I
Horizontal synchronized signal input (for OSD)
23
VD
I
Vertical synchronized signal input (for OSD)
24
OVDD
I
Power supply for OSD circuit
25
OVSS
I
GND for OSD circuit
26
TEST
I
TEST terminal (Low fixed)
27
XIN
I
oscillator input terminal
28
XOUT
O
oscillator output terminal
29
RESET
I
RESET signal input terminal
30
NC
-
NC
31
RXIN
I
Remote control data input terminal (NEC transmitting format, command single transmitting mode)
32
V_SYNC
I
Picture signal detection (vertical synchronized signal) from AV-IN
33
SCL
I/O
I2C bus clock
34
SDA
I/O
I2C bus data
35
VVSS
-
GND
36
P-ON
O
Power supply control output terminal (H : Power supply ON, L : Power supply OFF)
37
VIDEO_SEL
O
Screen position adjustment and the time constant change output terminal (H : AUX, L : NAVI)
38
NC
-
NC
39
VDD
-
Power supply
40
VSS
-
GND
41
DIMMER
O
Back light tone light control output (PWM control : 150Hz)
42
VOL_CONT
O
Speaker volume control output (PWM control : 31.2kHz)
43,44 NC
-
NC

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