Diagrams; Ic Pin Descriptions - Sony CDX-C90 Service Manual
Fm/am compact disc player
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Also See for CDX-C90:
- Operating instructions manual (134 pages) ,
- Service manual (89 pages) ,
- Installation and connections (4 pages)
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4-1. IC PIN DESCRIPTIONS
• IC5 CXP84640-011Q (CD SYSTEM CONTROL)
Pin No.
1 – 5
6
7
8
9
10
11 – 13
14
15
16
17
18
19
20
21
22 – 24
25
26
27
28
29
30
TE
L 13942296513
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
www
54
55
56
.
57
58
59
http://www.xiaoyu163.com
Pin Name
I/O
NCO
—
Not used in this set.
FP OPEN
I
Front panel open detection input
FP CLOSE
O
Front panel close control output
LINKOFF
I
Bus interface link input (Not used in this set.)
DRV OE
O
Focus/tracking coil/sled motor control output
D SW
I
Down switch input (SW4)
NCO
—
Not used in this set.
LM EJ
O
Loading motor control output
LM LOD
O
Loading motor control output
EMPH O
O
De-emphasis ON/OFF control output
CDMON
O
CD mechanism deck power control output
CD ON
O
CD power control output
A MUT
O
System attenuate control output
LD ON
O
Lazer power ON/OFF control output
CD RST
O
CD system reset output
—
—
Not used in this set.
PH3
I
Not used in this set.
TSTIN0
I
Not used in this set.
TSTIN1
I
Not used in this set.
TST CLV
I
Not used in this set.
NCO
—
Not used in this set.
RESET
I
System reset input ("L" = Reset)
X IN
I
X'tal oscillator input of system clock. (10 MHz)
X OUT
O
X'tal oscillator output of system clock. (10 MHz)
GND
—
Analog GND
XT OUT
O
Not used in this set.
XT IN
I
Not used in this set.
AVSS
—
A/D converter GND
AVREF
I
A/D converter reference voltage input
TEP L
I
Not used in this set.
TEP H
I
Not used in this set.
NCO
—
Not used in this set.
PH2
I
Not used in this set.
SCLK
O
CD-TEXT data read clock output
ESPXQOK
O
XQOK signal output to DRAM controller.
ESPSDT
I
Serial data input from DRAM controller.
GRSRST
O
Reaet signal output to DRAM controller.
GRSCOR
I
Sub-cord sync input from DRAM controller.
CD XLAT
O
CD signal process serial latch output
TX CLK
O
EEPROM serial clock output
TX DATA
O
EEPROM serial data output
UNISO
O
Not used in this set.
BUS CLK
I/O
Bus system serial clock input/output
BUS SI
I
Bus system serial interface input
BUS SO
O
Bus system serial interface output
F OK
I
Focus OK signal input
x
ao
GFS
I
GFS signal detection input
y
SCOR
O
Sub-cord sync output
i
SENS
I
SENS signal input
—
I
Fixed at "H" in this set.
CD CKO
O
CD signal process serial clock output
http://www.xiaoyu163.com
SECTION 4
DIAGRAMS
8
Q Q
3
6 7
1 3
u163
.
– 47 –
2 9
9 4
2 8
Pin Description
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
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