Sony NW-E505 - Network Walkman, Руководство по обслуживанию

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NW-E503/E505/E507
• IC Pin Function Description
MAIN BOARD IC2001 TEA5767HN (LOW VOLTAGE STEREO RADIO)
Pin No. Pin Name I/O Description
1 NC1 — Not used
2 CPOUT O Charge pump output of the synthesiser PLL
3 VCOTANK1 O VCO tuned circuit output 1
4 VCOTANK2 O VCO tuned circuit output 2
5 VCCVCO — VCO supply voltage
6 DGND — Ground terminal
7 VDIG — Digital supply voltage
8 DATA I/O Bus data line input/output
9 CLOCK I Bus clock line input
10 NC2 — Not used
11 WRITE/READ O Write/read control for the 3-Wire bus
12 BUSMODE I Bus mode select input
13 BUSENABLE I Bus enable input
14 SWPORT1 — Software programmable port 1 (Not used)
15 SWPORT2 — Software programmable port 2 (Not used)
16 XTAL1 — Crystal oscillator input 1 (Not used)
17 XTAL2 I Crystal oscillator input 2
18 PHASEDET — Phase detector loop filter
19 PILDET — Pilot detector lowpass filter
20 NC3 — Not used
21 NC4 — Not used
22 VAFL O Audio left output
23 VAFR O Audio right output
24 TMUTE — Time constant for the softmute
25 MPXOUT — FM demodulator MPX out (Not used)
26 VREF — Reference voltage
27 TIFCENTER — Time constant for IF centre adjust
28 LIMDEC1 — Decoupling IF limiter 1
29 LIMDEC2 — Decoupling IF limiter 2
30 NC5 — Not used
31 NC6 — Not used
32 IGAIN — Gain control current for IF filter
33 AGND — Ground terminal
34 VCC — Analog supply voltage
35 RFIN1 — RF input 1
36 RFGND — Ground terminal
37 RFIN2 — RF input 2
38 CAGC I Time constant RF AGC
39 LOOPSW O Switch output of synthesiser PLL filter
40 NC7 — Not used