6. OP6
Bit Function
Description
Preset
Remark
Bit 7
RESERVE
0
EA
Bit 6
RESERVE
1 = Enable
1 EA
Bit 5
SOFT CHANGE AV
1 = Enable
1 EA
Bit 4
LISTEN
1 = Enable
1 EA
Bit 3
INNER DVD
1 = Enable
1 EA
Bit 2
ZOOM
1 = Enable
0 EA
Bit 1
9860
1 = Enable
0 EA
Bit 0
Menu manner
1
= caption in top 0 = caption in bottom
1 EA
Note
：
Don’t adjust any OPTION items, please inform the engineer about any change.
5. ICs functional description
1. N501
UOC
TDA8377
8
SYMBOL PIN
DESCRIPTION
STAND BY output.
1
In STAND BY mode, low level (Power OFF).
For Power ON this pin will be high.
SCL 2
I
2
C-bus clock line
SDA 3
I
2
C-bus data line
TUNING
4
tuning Voltage (Vt) PWM output
KEY
5
Control keys input
SYSTEM
6
TV system control
VOL
7
Sound Volume control PWM output
MUTE
8
Sound mute output
VSSC/P
9
Digit ground for µ-controller core and periphery
CTL
10
DVD power control
VACANT 11
Vacant
VSSA
12
Analog ground of digital ground of TV-processor
SECPLL 13
Internally
connected
VP2 14
2
nd
supply voltage TV-pro8V)
DECDIG
15
decoupling digital supply of TV-processor
PH2LF 16
Phase-2
filter
PH1LF 17
Phase-1
filter
GND3
18
Ground 3 for TV-processor
DECBG
19
Band gap decoupling
AVL/EWD
20
Automatic volume levelling
VDRB
21
Vertical drive B output
VDRA
22
Vertical drive A output
IFIN1
23
IF input 1
IFIN2
24
IF input 2
IREF
25
Reference current input
VSC
26
Vertical sawtooth capacitor
TUNER AGC
27
Tuner AGC output
AUDEEM/SIFIN1 *1
28
Audio deemphasize or SIF input
DECSDEM/SIFIN2
29
Decoupling sound demodulator
GND2
30
Ground 2 for TV processor
SNDPLL/SIFAGC *1
31
Narrow band PLL filter
AVL
32
Automatic Volume Levelling
HOUT 33
Horizontal
output
FBISO
34
Flyback input/sandcastle output
AUDEXT
35
External audio output
EHTO
36
EHT/over voltage protection input
PLL IF
37
IF-PLL loop filter
IFVO/SVO
38
IF video output / selected CVBS output
VP1
39
supply voltage TV processor
CVBS INT
40
internal CVBS input
GND1
41
ground for TV processor
CVBS/Y 42
CVBS/SVHS(Y)
input
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