Sony CDX-505RF/EXCD-3RF Service Manual page 19

IC301 BA6287F
OUT1 1
VM 2
DRIVER
TSD
VCC 3
CONTROL LOGIC
POWER
SAVE
FIN 4
8 GND
7 OUT2
DRIVER
6 VREF
5 RIN
IC401 TC9404FN-EL
20
24 23 22 21
MICROCOMPUTER
INTERFACE
CIRCUIT
DIGITAL FILTER CIRCUIT
ATTENUATOR OPERATIONAL CIRCUIT
DEEMPHASIS FILTER CIRCUIT
D-∆ MODULATION CIRCUIT
TEST OUTPUT
CIRCUIT CIRCUIT
ANALOG
FILTER
1 2 3 4 5
– 32 –
19 18 17 16 15 14 13
OSC
INTERFACE
CIRCUIT
TIMING
GENERATOR
OUTPUT
CIRCUIT
ANALOG
FILTER
6 7 8 9 10 11 12