Block Diagram Scaler - Philips 32PF9968/10 Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram SCALER

Scaler Block Diagram
I2C
PC input
R,G,B
H,V sync
UOC P1_2/INT2
(PC auto detect)
Sync
detect
H,V sync
From
UOCIII
R,G,B
HD video
input
YUV_TV_SW
HD_Y
External
H-sync
Ext_Hsync
input
connector
TEH1.0E LA 6.
3x15pin emulator
connectors
NVM
(DDC)
VGA I2C
R,G,B
VGA_TV_SW
Sync input mux
(see separate page)
H, V sync
Ext_Hsync_Sel
+3V3s_SW
+1V8s_SW
Scaler power
supply voltages
EN 12
Keyboard
interface
KBD[1..0]
6745 "Lithium-C"
A[17..0] D[7..0]
Flash Rom
Backlight on/off
brightness
control
GPIO(3), GPIO(4)
XTL
Xtal not mounted on
Panel interface
LVDS outputs
connector
I2C
From UOCIII
Xtal input from UOC
PCB
G_16500_022.eps
301106