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Circuit Description - Kenwood DV-5700 Service Manual

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DV-5700/DVF-R9050/R9050-S
Port No.
24
25
67
139
Input Signals
26,27,30~37
43~48,51~54
55~58,61~66
Input Signals(cont.)
38
39
42
Analog Output Signals
71
73
75
76
77
78
Digital Output Signals
83~86,89~92
G/YOUT(0~9)
95,96
115~118
123~126,129,130
Digital Output Signals(cont.)
97,98,103~106
109~112
133
134
137
138
140
7-2 Simplified Block Diagram
HREFI
VREFI
FLDIN
CLKIN
30
Input
Formatter
Digital
YUV/ Ycr
Cb
SCL
2
I
C
Interface
SDA
16

CIRCUIT DESCRIPTION

Port Name
I/O
I2CCLK
I
Clock input for the internal I2C circuit.
Reset. When this input is set low it will reset all internal registers
RESETB
I
to the default states.
CLKIN
I
Master clock input.
ENHOFF
-
When this pin is set low the FL12220 will be in normal enhancement mode.
CBIN(0~9)
I
10-bit non-multiplexed Cb or multiplexed Cb/ Cr signal input bus.
CRIN(0~9)
I
10-bit non-multiplexed Cr signal input bus.
YIN(0~9)
I
10bit luminance or multiplexed Y/Cb/Cr signal input bus.
HBLANKI
I
Horizontal input blanking signal.
VBLANKI
I
Vertical input blanking signal.
FLDIN
I
Odd/Even field designator input.
R/Cr-ANA
O
Analog output.
G/Y-ANA
O
Analog output.
B/Cb-ANA
O
Analog output.
Compensation for video DACs. Should be connected to analog
COMP
-
ground via a capcitor.
RSET
-
Current setting resistor for video DACs.
VREF
-
Voltage reference for video DACs.
O
Green or luminance output bus.
CBOUT(0~9)
O
Blue or Cb chrominance output bus.
CROUT(0~9)
O
Red or Cr chrominance output bus.
HBLANKO
O
Horizontal output blanking signal.
VBLANKO
O
Vertical output blanking signal.
YCLKO
O
Output luma sampling clock.
FLDO
I
Odd/Even field designator input.
CCLKO
O
Output chroma sampling clock.
Sync & Timing
Control
Interpolator
Line
Memories
Control
Registers
Function
Luma
Large- Edge
Enhancer
Luma
Detail
Enhancer
Chroma
Decimator
Large-Edge
(Optional)
Enhancer
Triple
10-bit
DAC
Analog
YUV /RGB
Color-Space
30
Converter
& Output
Formatter
Digital
YUV YCrCb/
RGB
OSD
Engine &
Interface
External
OSD

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