Philips CEM2000/00, Руководство по обслуживанию

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TDA7703/TDA7703R
18 AMMIXIN AM mixer input
19 VREF165 1.65V reference voltage decoupling
20 VREFDEC 3.3V reference voltage decoupling
21 GND-DIG Digital GND
22 VCC-DIG 5V supply for digital logic
23 VCCREG1V2 VCC of 1.2V regulator
24 REG1V2 1.2V regulator output
25 VDD-3V3 3.3V VDD output / decoupling
26 SDA I
2
C bus data
27 SCL I
2
C bus clock
28 VDD-1V2 1.2V DSP supply
29 RDSINT I
2
C address selection (TDA7703)
RDS interrupt and I
2
C address selection (TDA7703R)
30 RSTN Reset pin (active low)
31 VDD-1V2 1.2V DSP supply
32 GND-1V2 Digital GND for 1.2V VDD
33 VCC-DAC 5V supply of audio DAC
34 OSCOUT Xtal osc output
35 OSCIN Xtal osc input
36 GND-DAC Audio DAC GND
37 DACOUTL Audio output left
38 DACOUTR Audio output right
39 GND-IFADC IF ADC GND
40 VCC-IFADC 5V supply of IF ADC
41 VCC-PLL 5V supply of PLL
42 GND-PLL PLL GND
43 VCC-VCO 5V supply of VCO
44 GND-VCO VCO GND
Table 1
Rev. 1.0 4/22