![background image](http://html.mh-extra.com/html/haier/29fa1/29fa1_service-manual_138047008.webp)
8
7. OP7
Bit Function
Description
Preset
Remark
Bit 7
FMWS
1=Enable
1
EA
Bit 6
HOTEL
1=Enable
0
EA
Bit 5
PROG_ID
1=Enable
0
EA
Bit 4
LED
1=Enable
0
EA
Bit 3
TWIST
1=Enable
0
EA
Bit 2
BYELORUSSIAN
1=Enable
0
EA
Bit 1
UKRANIAN
1=Enable
0
EA
Bit 0
AV1
1=Enable
1
EA
8. OP8
Bit Function
Description
Preset
Remark
Bit 6
DIRECT_SWITCH_ON 1=Enable
0
EA
Bit 5
INNER_DVD
1=Enable
1
EA
Bit 4
PROG_FREQ
1=Enable
0
EA
Bit 3
FAST_BAR
1=Enable
1
EA
Bit 2
AUSTRALIA
1=Enable
0
EA
Bit 1
FREQ
1=Enable
1
EA
Bit 0
9860
1=Enable
0
EA
Note
:
Don’t adjust any OPTION items, please inform the engineer about any change.
5. ICs functional description
1. N201 UOC OM8378
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
STANDBY 11
STANDBY
control
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