Sony CDX-838 Service Manual page 31

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3 7 63 1515 0
IC202 BR24C16FJ-E2
START
STOP
LOGIC
LOAD
DEVICE
ADDRESS
COMPARATOR
1
A0
R/W
A1 2
A2 3
4
GND
D
IN
D
OUT
TE
IC302 BA8272F-E2 L 13942296513
14 13 12 11
2 3 4 5
1
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http://www.xiaoyu163.com
SERIAL
EN
CONTROL H.V. PUMP/TIMING
LOGIC
COMP
DATA RECOVERY
LOAD INC
DATA WORD
2
E PROM
ADDR/COUNTER
Y DEC SERIAL MUX
D /ACK
OUT
LOGIC
10 9 8
RESET
SWITCH
6 7
x ao
y
i
http://www.xiaoyu163.com
8
IC301 BA6287F
OUT1
8 VCC
7 TST
6 SDL
VCC
5 SDA
Q Q
3 6 7 1 3
IC401 CXD2522Q
51 50 49 48 47 46
XWIH 52
CPU I/F
AM4 53
AM3 54
ADDRESS MONITOR
AM2 55
AM1 56
WRITE
AM0 57
BASE
VDD 58
COUNTER
XQOK 59
READ
BASE
COUNTER
GSCR 60 DATA
LINKING
SCOR 61 CONTROL
NC 62
NC 63
NC 64
1 2 3 4 5 6 7 8
u163
.
2 9 9 4 2 8
1
VM 2
DRIVER DRIVER
TSD
3
CONTROL LOGIC
POWER
SAVE
FIN 4
1 5 0 5 8 2 9 9 4
45 44 43
42 41 40 39 38 37
DRAM
VWA
SELECTOR
TIMING
GEN.
DSP
I/F
DAC
I/F
9 10 11 12 13 14 15 16 17 18
m
co
9 9
8 GND
7 OUT2
6 VREF
5 RIN
2 8 9 9
36 35 34 33
32 D3
D0
31
30 D1
29 XWE
28 XRAS
A9
27
I/F
26
VDD
25 A0
24 A1
23 A2
22 A3
21 C176
DIGITAL
20 DOUT
OUT
19
31