Sony NW-E503 Service Manual page 23

IC2001 TEA5767HN
IGAIN
32
AGND 33
VCCA 34
1/Q-MIXER
÷
2
1st FM
N1
RFI1 35
AGC
RF GND 36
37
RFI2
TAGC
38
TUNING SYSTEM
LOOPSW
39
VCO
2 3 4
IC509 XC6219B232MR
ON/OFF
each circuit
Control
VOUT 5
Voltage
Reference
Current
Limit
NC 4
29 28 27
GAIN
STABILIZATION
RESONANCE
LIMITER
AMPLIFIER
LEVEL
ADC
IF CENTER
RREQUENCY
ADJUST
Iref
programmable divider output
reference frequency divider output
I C-BUS
3-WIRE BUS
5 6 7
IC2002 XC6219B272MR
ON/OFF
each circuit
Control
VOUT 5
Voltage
Reference
Current
Limit
NC 4
NW-E503/E505/E507
3 CE
2 VSS
R1
R2
1 VIN
26 25 24
POWER
SUPPLY
DEMODULATOR
SOFT
MUTE
SDS
IF
COUNTER
MPX
DECODER
OSCILLATOR
SOFTWARE
MUX PROGRAMMABLE
PORT
pilot
mono
2
AND
1,10,20,,21,,30,31,40
8 9
3 CE
2 VSS
R1
R2
1 VIN
23 22
19 PILFIL
PHASEFIL
18
17
XTAL2
CRYSTAL
16
XTAL1
15 SWPORT2
14
SWPORT1
13 BUSENABLE
BUSMODE
12
WRITE/READ
11
23