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KVT-817DVD/827DVD/827DVDY
KVT-837DVD/847DVD/867DVD
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3 7 63 1515 0
VIDEO CONTROL UNIT (X14-955/956x-xx)
Ref. No.
Application / Function
IC1
DC-DC power supply IC
IC2
DC-DC power supply IC
IC3
DC-DC power supply IC
IC9
Regulator IC
IC80
Regulator IC
IC81
Regulator IC
IC82
Regulator IC
IC101
E2PROM
IC103
Logic IC (AND)
µ-com IC
IC104
IC105
Resetting IC
IC106
Motor driver IC
IC107
Motor driver IC
IC108
Logic IC (AND∗4)
Signal processing IC for driving color
IC237
liquid crystal panel
IC238
Logic IC (Inverter)
IC239
Color differentiation signal 1H-DELAY
TE
L 13942296513
IC240
RGB switch
IC400
Ope amp IC
IC401
Regulator IC
IC402
Audio DAC
IC403
Logic IC (Inverter)
IC470
CPLD
IC500
Regulator
IC520
FLASH ROM
IC560
SDRAM
IC601
MPEG decoder
IC640
Clock generator
IC641
Logic IC (D-FF)
IC650
LPF and Driving IC for video signal
IC651
Regulator
IC652
Video encoder
IC654
Video switch
IC700
GRITT IC
IC701
Regulator
IC750,751 SDRAM
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IC770
Logic IC (NOR)
IC771
Logic IC (D-FF∗4)
IC772
Logic IC (Inverter)
.
IC773
Logic IC (AND)
IC774
Logic IC (OR)
8
COMPONENTS DESCRIPTION
For controlling BL8.5V and ±7V
For controlling SW6.5V and MECHA7.5V
For controlling SW3.3V and SW2.5V
2V generation for IC601
Backup 3.3V generation
SW5V generation
V3.3V generation
Memory for µ-com
AND for remote controller and wired remote controller
For controlling the main unit
For resetting µ-com
Sliding control of sliding mechanism
Angle control of sliding mechanism
3.3V → 5V conversion
RGB signal generation for liquid crystal
For blank signal reversal coming from X35
For delaying 1H color differential signals when PAL
For switching RGB signals coming from DVD signal and X34
For audio LPF
5V generation for audio
For converting digital signals into analog signals
SPDIF driver
Audio DAC control
5V generation for DVD mechanism
For MPEG decoder control program
RAM for temporary storage of decoded signal
IC for decoding MPEG encoded signal
27M, 36.864MHz clock generation
13.5MHz is generated by frequency dividing from 27MHz
For RGB and composite signals of DVD
V5V generation
Conversion of digital video signals into analog signals
For switching DVD composite signal and composite signal from X34
Graphic signal generation
IC700 1.8V generation
GRITT-IC storage RAM
GRITT-IC video clock frequency dividing
x
ao
u163
y
GRITT-IC video clock frequency dividing
GRITT-IC video clock frequency dividing
i
GRITT-IC video clock frequency dividing
GRITT-IC video clock frequency dividing
2 9
8
Operation / Condition / Compatibility
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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