Block Diagram - Kenwood LZ-702IR Service Manual

LZ-702IR
QQ
3 7 63 1515 0
VIDEO UNIT (X35- )
TE
L 13942296513
to ELECTRIC UNIT
(X34- )
J900
Lch
A.GND
Rch
COMP/SYNC
V.GND
R
G
B
D.GND
REMOTE
NDATA
TDATA
SCL
SDA
P.ON
PARK
REV
ACC(14V)
ACC(14V)
GND
GND
Q506
ACC
DETECT
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BLOCK DIAGRAM

ELECTRIC UNIT (X34- )
J102
AV-IN
V1
IC201
L1
ISOLATION
AMP
R1
V2
IC202
L2
ISOLATION
AMP
R2
J101
POWER
CONNECTOR
IC101
ACC +8.5V
8.5V
REGULATOR
GND
P.ON
PARK SW
REVERSE
SW8V
IC800
Q809
IC801
IR
MUTE
MODULATOR
Q803
X300
16MHz
IC301
NDATA
TDATA
SCL
SDA
MPU
P.ON
PARK
REV
REMOTE
IC502,503
SERIES
x REGULATOR ao
IC505
y
506
SERIES
Q501
REGULATOR
i
CH1
SW8V
Q500
SW8.5V
CH2
DC/DC CONVERTER
8
IC501
R513,514
IC401
V1
ATT
V2 VOUT1
-6dB
V3
Q401
AV-SW
LV1 VOUT2
RV1
LV2 LOUT2
RV2 ROUT2
LV3 LOUT1
RV3 ROUT1
IC102
+5V
5V
REGULATOR
Q Q
3 6 7 1 3
+18.5V
SW5V
-12V
IC202
+14V
DC/DC
IC3
CONVERTER
MASK
TIMING
MIRROR
CONTROLLER
MODE1-3/HPOS1-4
V.SYNC/H.SYNC
NTSC PAL
SW5V
IC103
DATA/CLK/CS/
OSD-SW/V-SEL
N P IN
OSD-G/OSD-B/OSD-R
VG/VB/VR
IC104
BLK
V.MUTE
NAV-G/NAV-B/NAV-R
IC304
VCOM IN
POWER/SCREEN/MODE/V-SEL/VOL+/VOL-/RESET
INV-PWN/INV-ENABLE
SW3.3V
SW5V
u163
.
IC500
SW8V
CCFL INVERTER
2 9 9 4 2 8
J103
AV-OUT
VIDEO
Lch
Rch
J801
Lch
A.GND
Rch
COMP/SYNC
V.GND
B
G
R
D.GND
REMOTE
NDATA
TDATA
SCL
SDA
P.ON
PARK
REV
ACC
ACC
GND
GND
1 5 0 5 8 2 9
SW3.3V
STV1,2,HDIR,NGOE1,2,3,
CPV,STH1,2,CPH1,2,3,
SPL,CX
UPSD
IC4
PLL
X101 X100
3.57MHz 4.43MHz
G OUT/B OUT/R OUT
TFT V.COM
INTERFACE
COMP
m
S400-405
co
HARDWARE KEY
MENU/SCREEN(POWER)/MODE/V.SEL/VOL+/VOL-/RESET
9 9
9 4 2 8 9 9
6.95
INCH
LCD
CCFL
Q103,104,106
VIDEO
BUFFER
Q105
VIDEO
BUFFER
IC401
DIMMER
SENSOR
IC400
REMOTE
SENSOR