Philips SA 230, Руководство по обслуживанию

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3 - 7
SYMBOL PIN DESCRIPTION
NC1 1 not connected
CPOUT 2 charge pump output of synthesizer PLL
VCOTANK1 3 VCO tuned circuit output 1
VCOTANK2 4 VCO tuned circuit output 2
VCCVCO 5 VCO supply
DGND 6 digital ground
VDIG 7 digital supply voltage
DATA 8 Bus data line input/output
CLOCK 9 Bus clock line input
NC2 10 not connected
WRITE/READ 11 I
2
C Bus enable input, connect to GND
BUSMODE 12 Bus mode select input
BUSENABLE 13 Bus enable input
SWPORT1 14 software programmable port1
SWPORT2 15 software programmable port2
XTAL1 16 input1 crystal oscillator
XTAL2 17 input2 crystal oscillator
PHASEDET 18 phase detector loop filter
PILDET 19 pilot detector lowpass filter, switch for test mode
NC3 20 not connected
NC4 21 not connected
VAFL 22 Left audio output
VAFR 23 Right audio output
TMUTE 24 time constant for soft mute
MPXOUT 25 FM demodulator MPX output
VREF 26 Reference vottage
TIFCENTER 27 time constant for IF center adjust
LIMDEC1 28 decoupling IF limiter1
LIMDEC2 29 decoupling IF limiter2
NC5 30 not connected
NC6 31 not connected
IGAIN 32 gain control current for IF filter
AGND 33 analog ground
VCC 34 analog supply voltage
RFIN1 35 RF input1
RFGND 36 RF ground
RFIN2 37 RF input2
CAGC 38 time constant RF AGC
LOOPSW 39 Switch output of synthesizer PLL loopfilter
NC7 40 not connected
PIN DESCRIPTIONS OF IC TEA5767HN