Haier 1407 Service Manual page 9

VDRA
IFIN1
IFIN2
IREF
VSC
TUNER AGC
AUDEEM/SIFIN1 *1
DECSDEM/SIFIN2
GND2
SNDPLL/SIFAGC *1
AVL
HOUT
FBISO
AUDEXT
EHTO
PLL IF
IFVO/SVO
VP1
CVBS INT
GND1
CVBS/Y
CHROMA
AUDOUT
INSSW2
R2/VIN
G2/YIN
B2/UIN
BCLIN
BLKIN
RO
GO
BO
VDDA
VPE
VDDC
OSCGND
XTALIN
XTALOUT
RESET
VDDP
P1.0/INT1
P1.1/T0
P1.2/INT0
Note
Pin
62
63
2. N202 24C08/PCF8598
PIN
1
2
3
4
5
6
7
8
3. N601: Sound power amplify (TDA1517P)
Symbol PIN
Vcc 1
Out 1 (+) 2
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
31 Narrow band PLL filter
32 Automatic Volume Levelling
33 Horizontal output
34 Flyback input/sandcastle output
35 External audio output
36 EHT/over voltage protection input
37 IF-PLL loop filter
38 IF video output / selected CVBS output
39 supply voltage TV processor
40 internal CVBS input
41 ground for TV processor
42 CVBS/SVHS(Y) input
43 SVHS (C) input
44 Audio output
45 YUV insertion input
46 R input / V (R-Y) input / PR input
47 G input / Y input
48 B input / U (B-Y) input / PB input
49 Beam current limiter input
50 Black current input
51 Red output
52 Green output
53 Blue output
54 Analog supply of Closed Caption decoder and digital supply of TV-processor (3.3 V)
55 Ground
56 Digital supply to core (3.3 V)
57 Oscillator ground supply
58 Crystal oscillator input
59 Crystal oscillator output
60 Ground
61 Digital supply to periphery (+3.3 V)
62 AV1 / AV2 mode Output.
63 AV /S-VHS mode Output.
64 Remote control signal input.
TV
1
1
Function
GND
GND
Upper resistance
GND
SDA data wire
SCL clock wire
GND
+5V Power
Function
Power supply
Ch 1 output (+)
SVHS
0
1
Symbol PIN
GND 7
In 2 8
9
AV1 AV2
0
0
Function
ground
Ch 2 input
1
0