Sony NW-E503 Service Manual page 24

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