Sony CDX-GT490US - Page 25

CDX-GT49UM/GT490U/GT490US/GT494U
25
IC502 TC7WH123FU(TE12R) (MAIN Board (2/3))
8
VCC
7
RX/CX
6
CX
5
Q
1
A
2
B
3
CLR
4
GND
IC503 NJM2387ADL3 (TE2) (MAIN Board (2/3))
1 2 3 4 5
CURRENT
LIMIT
THERMAL
PROTECTION
OVERVOLTAGE
PROTECTION
BAND GAP
REFERENCE
VIN CONT VOUT VADJ GND
IC001 TEF6617T/V1/S470,518 (MAIN Board (3/3))
AMRFIN
1
AMRFDEC
2
FMIN2
3
FMIN1
4
LOUT
8
ROUT
9
MPXOUT
13
RSSI
14
XTAL2
15
XTAL1
16
GNDAUD
10
GNDRF
5
VCC2
6
AMRFAGC
7
AMIFAGC2
11
MPXIN
12
AMSELOUT2
32
AMSELOUT1
31
AMIFAGC1
30
AMSELIN2
29
PLL
25
VCODEC
24
VREF
20
SDA
19
SCL
18
GNDD
17
GND
23
AMSELIN1
28
DAV N
27
PLLREF
26
VCC1
22
VREGSUP
21
AM
TUNER
FM
TUNER
OUTPUT
PLL
TUNING
SYSTEM
I2C BUS
POWER
SUPPLY
STEREO DECODER
HIGH CUT
SOFT MUTE
NOISE BLANKER
SIGNAL
IMPROVEMENT
CONTROL
BANDWIDTH
CONTROL
RDS
DEMODULATOR
AND
DECODER