Changhong Electric PT4216, Руководство по обслуживанию, Страница: 11 / 62

11
Video Control Port
A20
VCLK Video pixels clock signal
D19 VHS_CSYNC Video horizonl synchronization signal input
C20 VVS Video vertical synchronization signal input
B20 VODD Scan status input
D20 VDV (VSOG) Video data input
B17 VCLAMP Video clamp enable output
A21,A22,A23,B21,
B22,C21,C22,D21 VGRN7~ VGRN0 Green pedestal signal or Y signal input
C17,C18,C19,A18
A19,B18,B19,D18 VRED7~ VRED0
Red pedestal signal or V/Cr/Pr signal input
B23,B24,B25,A24
A25,C23,C24,D24 VBLU7~ VBLU0
Blue pedestal signal or U/Cb/Pb signal input
Screen Control Port
A26
PPWR Screen power control
B26 PBIAS Screen bias control
D26
，
C25
，
C26
PWM2 ~PWM0 Pulse width modulation output
AC7 DCLK Pixels clock output
AC16 OEXTR Connect external LVDS bias resistance
LVDS Port
AE14~AE16,AE19~
AE23,AF13~AF16
AF19~AF23,AF11
A0-~A3-, A0+~A3+
B0-~B3-, B0+~B3+ Low voltage difference data input
AD14,AD11,AE13
AE11,AC11,AF10 LVDS_SHIELD[5] ~
LVDS_SHIELD[0] Low voltage difference protect output
AE12,AF12,
AF20,AE20 AC+,AC-,BC+,BC- Low voltage difference protect input
Screen Port Power Supply
AD12,AD13,AC12
LVDSB_3.3 LVDS B channel power supply
AC13,AC14,AC15 LVDSB_GND B channel ground
AC20,AC21,AC22 LVDSA_3.3 LVDS A channel power supply
AD19,AC19,AC20 LVDSA_GND A channel ground
AE17 VDDD33_LVDS Analog power supply
AD17 VSSD33_LVDS Analog ground
Clock Composite and Power Supply
G4 XTAL Crystal oscillator interface
F2
VDDD33_PLL ，
H1 VDDD33_SDDS
J1 VDDD33_DDDS
Digital power supply
G2 VSSD33_PLL
J4 VSSD33_SDDS
K4 VSSD33_DDDS
Digital ground
F4 VDDA33_RPLL
G1 VDDA33_FPLL
H3 VDDA33_SDDS
J3 VDDA33_DDDS
Analog power supply
F3 VSSA33_RPLL
H4 VSSA33_FPLL
H2 VSSA33_DDDS
J2 VSSA33_DDDS
Analog ground
G3 TCLK Reference clock signal input
K2 ACS_RSET_HD External resistance terminal
System Signal