Block Diagrams, Test Point Overviews, and Waveforms
Block Diagram UOCIII
UOCIII
Scart
From Sync Detection
(auto PC mode detect)
HD audio in
PC audio in
AV front PCB
CVBS
Y/C
Headphones
TEH1.0E LA
6.
Keyboard interface
Xtal output to scaler
connector
XTALin, XTALout
Audin5, AudOut5,
R,G,B, STATAV1,
FBLin
P1_2/INT2
UOCIII
Aud2in
Aud3in
Mute
Speaker
amplifiers
TDA1517
Line out
Headphone
amplifiers
Speaker
connectors
EN 13
I2S output
connectors
I2SWS, I2SCLK, I2SDO2,
P1_6, P1_7
I2SDO1,I2SDI1/O
YUVin, YUVout
DECDIG
P2_0
P1_3
P2_1
P2_2
Rout, Gout, Bout
Hout, VDRB
P1_1
SIFin
VIFin
Astb
SAW
SAW
FM-
filter
filter
radio
filter
Tuner
UV1316 mk4
UR1316 mk3
I2C interface
connector
NVM
TDA9178
picture booster
(optional)
1V8 supply
Reset circuit not mounted on
Reset
the PCB, P2_0 reserved
On/Off (to power supply)
YUV_TV_SW
VGA_TV_SW
R,G,B
Hsync, Vsync
Ext_Hsync_sel
I2C to scaler
+5V_SW
+3Vstb
G_16500_023.eps
291106