Panasonic PT-TW230U Service Manual page 70

IC Block Diagrams
● PW190 <Scaler, IC301>
PORTA(7:0)
PORTB(7:0)
PORTC(7:0)
PORTD(7:0)
GPIO
YPbPr
IN0RGB(2:0)
RGB1
IN0SOG0
RGB2
IN0HS1
CVBS 1
IN0VS1
CVBS 2
CVBS 3
IN0RGB(5:3)
Y/C 1
IN0SOG(2:1)
Y/C 2
IN0HS2
Y/C 3
IN0VS2
IN1CLK
IN1PEN
IN1RGB(23:0)
IN0CLK
IN0PEN
IN0VS
IN0HS
IN0SOG
IN0CST
IN0FLD
IN0CLP
IN0RGB(23:0)
(47:0)
● TPS54286 <DC-DC Converter, IC7811>
PWM(3:0) 2WIRE(2:0) IRRCVR(2:0)
EXTINT(2:0)
IR
2-Wire
PWM
Decoder
Serial
Microprocessor Bus
2D Video
Decoder
ADC
Deinterlacer
Input Port 1
Sync Decoder
Auto Image Optimizer
VBI Memory
Interface
Input Port 0
Sync Decoder
Auto Image Optimizer
VBI Memory
Interface
Memory Controller
Internal Memory
A(23:1),D(15:0)
BHEN,RD,WR
ROMWE,
NMI CS(1:0) ROMOE
Turbo 80186
Microprocesser
with Instruction
Interrupt ROM
Cache
Controller Interface
OSD
Control and Generation
Image Management
Video Enhancement
Color Space Converter
Image Blending
MCLK UCLK
Scaler
Spread
Spectrum
PLL
XI
-70-
RXD0/1
TXD0/1
DAC(3:0)ADC(7:0) TDO
DAC ADC UART
Watchdog
& Timer
Display Timing
Generator
Display Port
Color Matrix, Gamma
CLTs, Color Space
Expander
DCLK
PW190
Internal Block Diagram
XO
TMS
TCK
TCI
JTAG
DP
USB
DM
DHS
DVS
DEN
DCLK
DRGB(29:0)
Dual LVDS