Sharp 21HM-10F, Руководство по обслуживанию

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19
21HM-10F
handbook, halfpage
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MXXxxx
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Fig. 3 Pin configuration (SDIP 64)
TDA935X/6X/8X PS/N2
P1.3/T1 P1.6/SCL P1.7/SD
A
P2.0/TPMW 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
HOUT
FBISO
PH2LF PH1LF GND3 A
VL/EWD
VDRB VDRA IFIN1 IFIN2
EHT
O
IREF VSC TUNERA
GC
A
UDEEM/SIFIN1
DECSDEM/SIFIN2
PLLIF IFV
O/SV
O
DECBG
CVBSINT VP1 CHR
OMA
CVBS/Y GND1 A
UDOUT/AMOUT
A
VL/SNDIF/
BLKIN BO GO RO BCLIN R2/VIN B2/UIN G2/YIN INSSW2 VDD
A
VPE VDDC OSCGND XT
ALIN
XT
ALOUT
RESET VDDP P1.0/INT1 P1.1/T0 P1.2/INT0
GND2
AMOUT
A
UDEXT/QSSO/
SNDPLL/SIFAGC
REFO/AMOUT
ICs ADITIONAL INFORMATION:TDA9381 (IC801)
QUICK REFERENCE DATA
SYMBOL PARAMETER MIN. TYP. MAX. UNIT
Supply
V
P
supply voltages
−
8.0/3.3
−
V
I
P
supply current
−
135/60
−
mA
Input voltages
V
iVIFrms)
video IF amplifier sensitivity (RMS value)
−
75
− µ
V
V
iSIF(rms)
QSS sound IF amplifier sensitivity (RMS value)
−
60
− µ
V
V
iAUDIO(rms)
external audio input (RMS value)
−
500
−
mV
V
iCVBS(p-p)
external CVBS/Y input (peak-to-peak value)
−
1.0
−
V
V
iCHROMA(p-p)
external chroma input voltage (burst amplitude)
(peak-to-peak value)
−
0.3
−
V
V
iRGB(p-p)
RGB inputs (peak-to-peak value)
−
0.7
−
V
V
iYIN(p-p)
luminance input signal (peak-to-peak value)
−
1.4
−
V
V
iUVIN(p-p)
U/V input signal (peak-to-peak value)
−
1.33/1.05
−
V
Output signals
V
o(IFVO)(p-p)
demodulated CVBS output (peak-to-peak value)
−
2.5
−
V
V
o(QSSO)(rms)
sound IF intercarrier output in QSS versions (RMS value)
−
100
−
mV
V
o(AMOUT)(rms)
demodulated AM sound output in QSS versions (RMS
value)
−
500
−
mV
I
o(AGCOUT)
tuner AGC output current range 0
−
5 mA
V
oRGB(p-p)
RGB output signal amplitudes (peak-to-peak value)
−
2.0
−
V
I
oHOUT
horizontal output current 10
− −
mA
I
oVERT
vertical output current (peak-to-peak value) 1
− −
mA
I
oEWD
EW drive output current 1.2
− −
mA