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Bit 6
FREQ
Bit 5
AV SELECT AUDIO
Bit 4
PAL
Bit 3
RESERVE
Bit 2
SPANISH
Bit 1
FRENCH
Bit 0
ENGLISH
6. OP6
Bit
Function
Bit 7
RESERVE
Bit 6
RESERVE
Bit 5
SOFT CHANGE AV
Bit 4
LISTEN
Bit 3
INNER DVD
Bit 2
ZOOM
Bit 1
9860
Bit 0
MENU STYLE
Note：Don't adjust any OPTION items, please inform the engineer about any change.
5. ICs functional description
1. N501 UOC TDA8377
SYMBOL
STAND BY output.
SCL
SDA
TUNING
KEY
SYSTEM
VOL
MUTE
VSSC/P
CTL
STANDBY
VSSA
SECPLL
VP2
DECDIG
PH2LF
PH1LF
GND3
DECBG
AVL/EWD
VDRB
VDRA
IFIN1
IFIN2
IREF
VSC
TUNER AGC
AUDEEM/SIFIN1 *1
DECSDEM/SIFIN2
GND2
1= Enable
1=Enable
1=Enable
1= Enable
1= Enable
1=Enable
1=Enable
Description
1=Enable
1=Enable
1=Enable
1=Enable
1=Enable
1=Enable
1=Enable
1=Enable
PIN
1
In STAND BY mode, low level (Power OFF).
For Power ON this pin will be high.
2
2
I
C-bus clock line
2
3
I
C-bus data line
4
tuning Voltage (Vt) PWM output
5
Control keys input
6
TV system control
7
Sound Volume control PWM output
8
Sound mute output
9
Digit ground for μ-controller core and periphery
10
DVD power control
11
STANDBY control
12
Analog ground of digital ground of TV-processor
13
Internally connected
nd
14
2
supply voltage TV-processor(+8V)
15
decoupling digital supply of TV-processor
16
Phase-2 filter
17
Phase-1 filter
18
Ground 3 for TV-processor
19
Band gap decoupling
20
Automatic volume levelling
21
Vertical drive B output
22
Vertical drive A output
23
IF input 1
24
IF input 2
25
Reference current input
26
Vertical sawtooth capacitor
27
Tuner AGC output
28
Audio deemphasize or SIF input
29
Decoupling sound demodulator
30
Ground 2 for TV processor
DESCRIPTION
8
0
EA
0
EA
0
EA
1
EA
1
EA
1
EA
1
EA
Preset
Remark
0
EA
0
EA
0
EA
0
EA
0
EA
0
EA
0
EA
1
EA
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