Sony CDX-737 Service Manual page 31

IC202 BR24C16FJ-E2
START
STOP
LOGIC
LOAD
COMP
DEVICE
ADDRESS
COMPARATOR
LOAD INC
A0 1
R/W
DATA WORD
2
A1
ADDR/COUNTER
A2 3
GND 4
D
IN
D
OUT
IC302 BA8272F-E2
14 13 12 11 10 9
2 3 5 6
1 4
SERIAL
EN
CONTROL H.V. PUMP/TIMING
LOGIC
DATA RECOVERY
2
E PROM
Y DEC SERIAL MUX
D /ACK
OUT
LOGIC
IC401 CXD2522Q
8
XWIH
AM4
AM3
RESET
SWITCH AM2
AM1
AM0
VDD
7
XQOK
GSCR
SCOR
NC
NC
NC
IC301 BA6287F
OUT1 1
VM 2
8 VCC
7 TST
SDL
6
VCC 3
5 SDA
POWER
SAVE
FIN 4
51 50 49 48 47 46 45 44 43
52
CPU I/F
53
54
ADDRESS MONITOR
55
56
WRITE VWA
57
BASE
58
COUNTER
59
READ
BASE
COUNTER
60 DATA
LINKING
61 CONTROL
62
63
64
1 2 3 4 5 6 7 8 9 10
DRIVER DRIVER
TSD
CONTROL LOGIC
42 41 40 39 38 37 36 35
DRAM
I/F
SELECTOR
TIMING
GEN.
DSP
I/F
DAC
I/F
11 12 13 14 15 16 17 18 19
8 GND
7 OUT2
6 VREF
5 RIN
34 33
32 D3
31 D0
30 D1
29 XWE
28 XRAS
27 A9
26 VDD
25 A0
24 A1
23 A2
22 A3
21 C176
DIGITAL
20 DOUT
OUT
31