PDP-505HD
27
A
B
C
D
5
6
7
8
5
6
7
8
Signal Frequency DET
U-COM
IC2201
( PD2060A )
AMP/AD/PLL IC
IC2402
(CXA3506R)
HD_U
VD_U
HD_PLL
DIGITAL VIDEO ASSY
CLP1
CLP2
HBLK1
VBLK2
ULK_PLL
Serial Control sig
PLD_CE
DATA
CLK
VD_DSEL
SER-->PARA
CONV
HOLD_PLL
DIVOUT
U-COM ASSY
V_STD
Serial data
REQ_Su
HOLD_Su
PLL input HD
HD Freq
Counter
Line
Number
Counter
SYNC STATE
K2030
K2019
K2029
K2018
K2031
K2408
K2432
K2027
HD_DSEL
XCLK
1_2CLK
HD_DSEL
XCLK
1_2CLK
H_COUNT(0:10)
LINE(0:10)
HOLD signal
generation circuit for
PLL control
Inverted PLL unlock information (Lo: When PLL is not locked)
Clamp & Blanking signal output from
Digital Assy
PLL output HD for A/D sampling &
clock SYNC reference
HOLD controlling signal for comparing
PLL phase comparison.
PLL unlock information
(Hi: When PLL is not locked)
Vertical line number count value (11-bit data)
Data is updated every 1 V sync.
Signal for detecting abnormal SYNC signal (Hi: in detecting)
Count value in the period of 1H by 16MHz clock (11-bit data)
Data is updated at the rate of HD1/8 dividing
Timing signal for capturing horizontal frequency
count value (HD 1/8 dividing)
Vertical SYNC signal for
input signal detection
Signal for detecting vertical frequency limit
Lo: Vertical frequency value is higher than
standard value (In PC input : fixed Hi)
VD SYNC signal sent to Digital Assy
*Input signal detection
(stability)
*No signal input detection
*Detecting vertical frequency
*Controlling V_STD
(detecting frequency value)
Sending
*Data of vertical frequency
*Data of horizontal frequency
*Data of total numbers of lines
*Information on inapplicable
frequency
Содержание PDP-505HD
Страница 5: ...PDP 505HD 5 ...
Страница 45: ...PDP 505HD 45 ...
Страница 46: ...PDP 505HD 46 A B C D 1 2 3 4 1 2 3 4 3 11 OVERALL CONNECTION DIAGRAM 1 2 ADX2643 ...
Страница 47: ...PDP 505HD 47 A B C D 5 6 7 8 5 6 7 8 ADX2643 ADX2643 ADX2643 ADX2643 ADX2643 ...
Страница 48: ...PDP 505HD 48 A B C D 1 2 3 4 1 2 3 4 3 12 OVERALL CONNECTION DIAGRAM 2 2 L0006 ATX1041 L0007 ATX1041 ...
Страница 49: ...PDP 505HD 49 A B C D 5 6 7 8 5 6 7 8 ADX2643 ADX2643 ADX2643 ADX2643 ...
Страница 51: ...PDP 505HD 51 A B C D 5 6 7 8 5 6 7 8 AUTO ZOOM BLOCK ...