Sony CDX-GT620U Service Manual page 36

CDX-GT620U/GT627UE/GT670U/GT670US
IC50 TDA7333013TR (AEP, UK, RU) (MAIN Board (2/4))
VDDA 1
REF3 2
3
REF2
REF1 4 INTN
5
VSS
6
TM
7
VDDD
8
RESETN
IC401 BD3442FS-E2 (MAIN Board (2/4))
BUS-RCH 1
100k
2
BUS-LCH
100k
TU-RCH 3
100k
TU-LCH 4
100k
CD-RCH 5
100k
CD-LCH 6
100k
AUX-RCH 7
250k
AUX-GND
8
250k
AUX-LCH
9
250k
DS3-L
10
DS1-L 11
DS2-L
12
EBIAS
13
DS2-R 14
DS1-R
15
DS3-R
16
36
3
BAND PASS
INTERPOLATOR
FILTER
RAM
RDS
RDSREG
BUFFER
DEMODULATOR &
&
SYNCHRONIZATION
CONTROL
LOGIC
2
INPUT INPUT
SELECTOR GAIN
SPECTRUM
ANALYZER
SINC4 SIGMA DELTA
FILTER CONVERTER
SDAOUT
SDAIN
TEST LOGIC
2 SCK
I C/SPI
&
SPI
INTERFACE
PIN MUX'S
TESTREG
OSCILLATOR
VOLUME1 TREBLE VOLUME2
/MUTE /BASS
/MIDDLE
EFFECT
FADER
LPF
FADER
16 MPX
15 INTN
14 CSN
13 SA
12 SDA
11 SCL
10 XTO
9 XTI
32 FIL
VCC2
31 GND
30 SDA
I2C
BUS
LOGIC
29 SCL
28 MUTE
VCC 27 VCC
FADER 26 OUT-FR
FADER 25 OUT-FL
24 OUT-RR
FADER
23 OUT-RL
FADER
22 SUBOUT-R
21 SUBOUT-L
20
ADJ
19 SAOUT
18 SADA
17 SACLK