Sony CDX-605 Service Manual page 23

IC102 SM5852FS-E2 (MAIN BOARD)
LRCI 1
INPUT
BCKI 2
INTERFACE
DI 3
PROCESSOR
SYSTEM
CLOCK
CLK 4
VSS 5
SEQUENTIAL
RSTN 6
CONTROL
TESTN 7
MUTE
MUTEN 8
CONTROL
IC401 TC9464FN-EL (MAIN BOARD)
20 19
24 23 22 21
MICROCOMPUTER
INTERFACE
CIRCUIT 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 6
16 DB/DS
15 MOD2
DIGITAL
14 MOD1
SIGNAL
13 OPT
VDD
12
11 LRCO
OUTPUT
10 BCKO
INTERFACE
9 DOUT
MODE
CONTROL
18 17 16 15 14 13
OSC
TIMING
GENERATOR
OUTPUT
CIRCUIT
ANALOG
FILTER
7 8 9 10 11 12
IC204 BA8272F-E2 (MAIN BOARD)
14 13
1 2
– 33 –
12 11 10 9 8
RESET
SWITCH
3 4 5 6 7