Aiwa TV-SE1430, Service Manual

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I
I
O
O
I
I
I
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O
O
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–
–
–
–
–
–
–
O
O
O
I
I
I
–
O
I
I
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O
I/O
O
–
–
O
–
I
–
Port 1.3 Not used.
I2C bus clock line
I2C data line
Port 2.0: high when L' selected (PushPull)
Port 3.0: over current protection
ADC1: for factory use only (high impedance)
ADC2: local key input (high impedance)
ADC3: scart slow switching input
Digital ground for µ-contoller core and peripheral
Port 0.5 (8 mA current sinking capability)
Port 0.6 (8 mA current sinking capability)
Analog ground of teletext decoder and digital ground of TV processor
SECAM PLL decoupling
2nd supply voltage TV-processor
Decoupling digital supply of TV-processor
Phase-2 filter
Phase-1 filter
Ground 3 for TV-processor
Bandgap decoupling
East/West drive output
Vertical drive B output
Vertical drive A output
IF input 1
IF input 2
Reference current input
Vertical sawtooth capacitor
Tuner AGC output
SIF input 1
SIF input 2
Ground 2 for TV processor
AGC sound IF
Not used.
Horzontal output
Flyback input/sandcastle output
QSS intercarrier output
EHT/overvoltage protection
IF PLL loop filter
IF video output
Main supply voltage TV-processor
Internal CVBS input
Ground 1 for TV-processor
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
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31
32
33
34
35
36
37
38
39
40
41
NC
SCL
SDA
SECAM L OUT
OCP
RF AGC IN
KEY-IN
S/SW
VSS C/P
LED1
LED2
VSSA
SEC PLL
VP2
DECDIG
PH2LF
PH1LF
GND3
DECBG
AVL/EWD
VDRB
VDRA
IFIN1
IFIN2
IREF
VSC
TUNERAGC
SIFIN1
SIFIN2
GND2
SIF AGC
REF0
HOUT
FBISO
OSS OUT
EHT0
PLLIF
IFVO
VP1
CVBSINT
GND1
• Description
Pin No. Pin Name I/O Description