15
VHFL
1 0
0
VHFH
0 1
0
Band
opt=2/
band
3
UHF 1
1
1
FST
BAND
ON/OFF
OFF
OFF:TABLE1;ON:TABLE2.
NOTE*
FST LH
Frequency of H band setting*
FST HU
Frequency of U band setting*
SECAM
ON/OFF
ON
SECAM
system
option
DK
ON/OFF
ON
Sound system option
I
ON/OFF
ON
Sound system option
M
ON/OFF
OFF
Sound system option
BG
ON/OFF
ON
Sound system option
AUTO
SOUND
ON/OFF
ON
Sound system auto indefine for auto search
SIFPREFER
DK/I/BG/
M
BG
Perfer sound system for auto search
S8
SUB CON
0~63
32
Subsidiary contrast setting
SUB BRI
0~63
32
Subsidiary brightness setting
SUB COL
0~63
32
Subsidiary color setting
SUB SHA
0~63
32
Subsidiary sharp setting
SUB TINT
0~31
16
Subsidiary tint setting
YDLY PAL
0~15
2
Y delay time setting of PAL
YDLY NTSC
0~15
2
Y delay time setting of NTSC
YDLY AV
0~15
2
Y delay time setting of AV
CATHE
0~15
8
Cathode drive level of CRT
SC.BRI
0~63
8
Brightness of the single horizontal line mode
PWL
0~15
15
Limit of peak of white level
5. ICs functional description
UOC TDA93XX/83XX
SYMBOL PIN
DESCRIPTION
STAND BY output.
1
In STAND BY mode, high level (Power OFF).
For Power ON this pin will be reduced to low.
SCL 2
I
2
C-bus clock line
SDA 3
I
2
C-bus data line
TUNING
4
tuning Voltage (Vt) PWM output
P3.0/NTSC SW
5
Port 3.0 or NTSC output/SCART SW input, Forced NTSC selection,
Low-level output, otherwise High output.
KEY
6
Control keys input *3
VOL
7
Sound Volume control PWM output
MUTE
8
Sound mute output
VSSC/P
9
Digit ground for
μ
-controller core and periphery
BAND1
10
Tuner Band selection output
BAND2
11
Tuner Band selection output
VSSA
12
Analog ground of teletext decoder and digital ground of TV-processor