Sharp 15JF-25S Manuale di servizio - Pagina 16

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TDA93XX (IC801)
Pinning
SYMBOL
P1.3/T1
P1.6/SCL
P1.7/SDA
P2.0/TPWM
P3.0/ADC0/PWM0
P3.1/ADC1/PWM1
P3.2/ADC2/PWM2
P3.3/ADC3/PWM3
VSSC/P
P0.5
P0.6
VSSA
SECPLL
VP2
DECDIG
PH2LF
PH1LF
GND3
DECBG
(1)
AVL/EWD
VDRB
VDRA
IFIN1
IFIN2
IREF
VSC
TUNERAGC
(1)
AUDEEM/SIFIN1
(1)
DECSDEM/SIFIN2
GND2
(1)
SNDPLL/SIFAGC
AVL/SNDIF/REF0/
(1)
AMOUT
HOUT
FBISO
AUDEXT/
(1)
QSSO/AMOUT
EHTO
PLLIF
IFVO/SVO
VP1
CVBSINT
GND1
CVBS/Y
CHROMA
(1)
AUDOUT /AMOUT
PIN
1
port 1.3 or Counter/Timer 1 input
2
2
port 1.6 or I
C-bus clock line
2
3
port 1.7 or I
C-bus data line
4
port 2.0 or Tuning PWM output
5
port 3.0 or ADC0 input or PWM0 output
6
port 3.1 or ADC1 input or PWM1 output
7
port 3.2 or ADC2 input or PWM2 output
8
port 3.3 or ADC3 input or PWM3 output
digital ground for µ-Controller core and periphery
9
10
port 0.5 (8 mA current sinking capability for direct drive of LEDs)
11
port 0.6 (8 mA current sinking capability for direct drive of LEDs)
12
analog ground of Teletext decoder and digital ground of TV-processor
13
SECAM PLL decoupling
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
bandgap decoupling
20
Automatic Volume Levelling /East-West drive output
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 deemphasis or SIF input 1
29
decoupling sound demodulator or SIF input 2
30
ground 2 for TV processor
31
narrow band PLL filter /AGC sound IF
32
Automatic Volume Levelling / sound IF input / subcarrier reference output /AM output
(non controlled)
33
horizontal output
34
flyback input/sandcastle output
35
external audio input /QSS intercarrier out /AM audio output (non controlled)
36
EHT/overvoltage protection input
37
IF-PLL loop filter
38
IF video output / selected CVBS output
39
main supply voltage TV-processor (+8 V)
40
internal CVBS input
41
ground 1 for TV-processor
42
external CVBS/Y input
43
chrominance input (SVHS)
44
audio output /AM audio output (volume controlled)
DESCRIPTION
21
15JF-25S