Service manual
20
21HT-15C
21HT-16C
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 −µV
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 − 5mA
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
ICs ADDITIONAL INFORMATION
TDA9351(IC801
)
handbook, halfpage
XXX
MXXxxx
1
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64
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52
51
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Pin configuration (SDIP 64)
TDA935X/6X/8X PS/N2
P1.3/T1
P1.6/SCL
P1.7/SDA
P2.0/TPMW
P3.0/ADC0
P3.1/ADC1
P3.2/ADC2
P3.3/ADC3
VSSC/P
P0.5
P0.6
VSSA
SECPLL
VP2
DECDIG
HOUT
FBISO
PH2LF
PH1LF
GND3
AVL/EWD
VDRB
VDRA
IFIN1
IFIN2
EHTO
IREF
VSC
TUNERAGC
AUDEEM/SIFIN1
DECSDEM/SIFIN2
PLLIF
IFVO/SVO
DECBG
CVBSINT
VP1
CHROMA
CVBS/Y
GND1
AUDOUT/AMOUT
AVL/SNDIF/
BLKIN
BO
GO
RO
BCLIN
R2/VIN
B2/UIN
G2/YIN
INSSW2
VDDA
VPE
VDDC
OSCGND
XTALIN
XTALOUT
RESET
VDDP
P1.0/INT1
P1.1/T0
P1.2/INT0
GND2
AMOUT
AUDEXT/QSSO/
SNDPLL/SIFAGC
REFO/AMOUT