Sony CDX-2500R Service Manual page 38

IC601 TDA7427AD1TR
LP FM 1
SWITCH
LP1/LP2
LP HC
2
LP AM
3
V REF
4
LCL/DX
5
SEEK 6
PORT
EXTENSION
NIL 7
MONO
8
OSCIN
9 REF
OSCILLATOR
OSCOUT 10
NC 11
SCL 2
12 I C BUS
INTERFACE
SDA
13
14 BIT PROG
COUNTER
SWITCH
IF AM
14
AM/FM
IC602 SAA6588T-118
PSWN 11
12
MAD
PAUSE
DETECTOR
13
AFIN
CLOCKED
COMPARATOR
VDDA 14
15
VSSA
POWER SUPPLY
16
MPX
AND RESET
17
VREF
57kHz
8th ORDER
18
SCOUT
BAND-PASS
CIN 19
LVIN 20
38
CHARGE PHASE
PUMP COMP
INLOCK
DETECTOR
TEST
LOGIC
16 BIT PROG
COUNTER
TIMER CONTROL
11-21 BIT PROG COUNTER
IIC-BUS
10
SCL
SLAVE
9
SDA
TRANSCEIVER
4
4
SIGNAL
INTERFACE
QUALITY
REGISTER
DETECTOR
5
8 DAVN
RDS/RDBS RDS/RDBS
DEMODULATOR DECODER
7 VDDD
6 VSSD
5 OSCI
OSCILLATOR
AND CLOCK OSC0
4
TEST
3
TCON
CONTROL
2
MPTH
MULTI-PATH
DETECTOR 1
MRO
VDD1
11 BIT PROG
COUNTER
SWITCH SWITCH
SWM/DIR SWM/DIR
SWITCH
AM/FM
6 BIT PROG PRE COUNTER
COUNTER :32/33
SUPPLY
POWER ON
RESET
SWITCH
OUT
IC901 BA4903ST-V5
5.7V
ON
– +
THERMAL
SHUT
DOWN
CIRCUIT ON
1 2 3
AMP AMP GND
ON OUT
28 LPOUT
27 VDD2
26
GND AM
AM IN
25
24 FM IN
23 NC
22
GND D
&
21
VDD1
20 ADDR
19 HFREF
18 AMOSC
17 DOUT/INLOCK
16 SSTOP
15
IF FM
ON
+ –
REGULATOR
VREF
OVER
VOLTAGE
PROTECT
4 5
VCC VDD
OUT