Video Control Unit; Block Diagram - Kenwood KVT-915DVD Service Manual

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VIDEO CONTROL UNIT

VIDEO CONTROL UNIT (X14- )
CN204
2 2
IC529,530
SDRAM
64MBIT
IC522
SDRAM
64MBIT
IC521
SRAM
1MBIT
IC710
DATABUS [31:0]
SDRAM
SDCLK
64MBIT
X700 IC714
27MHz
27MHz PLL
X'TAL
SH CLK
GR CLK
ADCCLK
TE
L 13942296513
CN702
DSPCLK
ATAPI
IC200
EEPROM
IC202
X14
SYSTEM MCU
SYSTEM DATABUS
[7:00]
IC703
CPLD
M4A3212VI8TV1
TDF PANEL SW PCB
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.
2

BLOCK DIAGRAM

X35 I/F CONNECTOR
IC205
MOTOR
SRM MO21
DRIVER
SRM MO22
LB1836
IC203
MOTOR
SRM MO11
DRIVER
SRM MO12
LB1836 IC510
PLL
DATABUS [31:00]
IC518,519
IC523
GRAPHICS
ROM
ACCELERATOR
32MBIT
MN67761
DATABUS
32BIT
IC704 IC709
DATA [7:0]
MPEG
VCLK
DECODER
HS/VS
ADV7170KSU
LOCAL I/F DATA1
DATA2
DATA3
ES6218SF
FRCLK
IC702 IC700
12.28MHz
FLASH SRAM
to X14 MCU
16MBIT 8MBIT
LCD CONTROL
KEY CONTROL
TDF PANEL I/F CONNECTOR
CN203
CN300
TDF PANEL I/F CONNECTOR
SMALL LCD
HD66724
RESET REMOTE CONTROL
DSI RECEIVER
x ao
y
i
8
IC504
GRAPHICS MPU
SH7706
SH-3 IR3Y26A1
IC520 MONO
MULTI
IC517
CLAMP
GRAPHICS RGB
RGB SW
MM1389
IC503
DVDRGB
RGB SW
VIDEO DAC MM1234
SDATA
DACBCLK
DACLRC
Q Q
DACMCLK
3 6 7
ADCCLK
ADCBCLK
ADCLRCL
ADCDATA0
ADCDATA1
IC900
SEL SEL SEL
DSP
IC907 IC913 IC916
DSPDATA0
DSPDATA1
DSPDATA2
DSP56367
DSP DATABUS
POWER SUPPLY
[23:00]
IC904,
SRAM
IC102
905
1.5MBIT
+14.4
DC/DC
PON
IC101
DC/DC
+14.4
PON
IC100
DC/DC
+14.4
KEY
u163
2 9 9 4
to X14 MCU to X14 MCU
MEC SW MODE1,2,3
RSENS HPOSI1,2,3,4
3
ESENS NTSC/PAL
AUTO DIMMER PWM
KEY1
BL DET
IC400
CLAMP
IC207
OR
VMUTE
IC401
IC
IC504
CSYNC RGB SIGNAL
SEL
IC712
TV,NAVI
RGB
75
DVDCOMP V
DRIVER
NJM2267V
IC910
2ch AUDIO IC917
DAC
LPF DOWNMIX
NJM4580V
AUDIO
1 3 1 5 0 5 8 2 9
AK4382
IC903 IC901
SOURCE 1
AUDIO ADC ISO AMP
M5280FP
PCM1800
IC914,918,919
ADC SEL
IC908
LPF
6ch AUDIO NJM4580V
DAC
AK4355
IC104
8.5V
+14.4 REG
+7V
-7V
IC105
REG
+1.8V
+3.3V
+5V
+7V
m
co
.
2 8
9 9
CN202
9 4 2 8 9 9
CN201
6 5.1ch
AUDIO
BU5V
BU3.3V