Read Sony CDX-838 Service Manual online
31
IC202
BR24C16FJ-E2
IC302
BA8272F-E2
IC401
CXD2522Q
DEVICE
ADDRESS
COMPARATOR
Y DEC
H.V. PUMP/TIMING
DATA RECOVERY
E
2
PROM
SERIAL MUX
START
STOP
LOGIC
SERIAL
CONTROL
LOGIC
DATA WORD
ADDR/COUNTER
D
OUT
/ACK
LOGIC
1
2
2
3
4
5
6
7
8
X DEC
VCC
TST
SDL
SDA
A0
A1
A2
A2
GND
COMP
LOAD
LOAD INC
R/W
EN
D
OUT
D
IN
IC301
BA6287F
1
2
3
4
OUT1
VM
VCC
FIN
8
7
6
5
GND
OUT2
VREF
RIN
CONTROL LOGIC
TSD
POWER
SAVE
DRIVER
DRIVER
1
2
3
4
5
6
7
8
9
10
14
13
12
11
VCC
BUS ON
LINK OFF
CLK OUT
DATA OUT
DATA IN
BUS RESET
BUS DATA
VREF
BUS CLK
GND
BUS ON IN
BUS ON OUT
RESET
RESET
SWITCH
VWA
ADDRESS MONITOR
WRITE
BASE
COUNTER
READ
BASE
COUNTER
CPU I/F
SELECTOR
TIMING
GEN.
DSP
I/F
DATA
LINKING
CONTROL
DAC
I/F
DIGITAL
OUT
1 2 3 4
5 6 7 8
9 10
20
19
18
17
16
15
14
13
12
11
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
56
55
54
53
52
51 50 49 48 47
57
58
59
60
61
62
63
64
XWIH
AM4
AM3
AM3
AM2
AM1
AM0
VDD
XQOK
GSCR
SCOR
NC
NC
NC
GRST
XRST
WFCK
DIN
C4M
XROI
RFCK
GTOP
BCKI
VSS
DATI
LRCI
WDCI
TEST
XTAO
XTAI
BCK
DATA
LRCK
DOUT
C176
A3
A2
A1
A0
VDD
A9
XRAS
XWE
D1
D0
D3
D2
XCAS
XOE
A8
A7
A6
A5
A4
OSCE
VSS
SPSL
XEMP
SDTO
XSOE
SCK
SDTI
XLT
XRDE
XWRE
DRAM
I/F
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