– 72 –
• IC401 µPD78054GC-294-3B9 (CD SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
LEVEL-L
O
LEVEL L-ch control output
2
LEVEL-R
O
LEVEL R-ch control output
3
NIL
I
Not used. (Connect to GND.)
4
AVSS
–
GND for A/D conversion.
5, 6
FL CE0, 1
O
Chip select output for display driver.
7
AVREF
–
Reference voltage power supply for D/A conversion.
8
SRDT
I
Not used.
9
NCO
O
Not used.
10
SCLK
O
Not used.
11
FL RST
O
Display driver reset output
12
FL SO
O
Serial data output for display driver.
13
FL CKO
O
Serial clock output for display driver.
14
FL BLK
O
Blank control output for display driver.
15
NIL
I
Not used. (Connect to GND.)
16
UNISI
I
Serial data input (for SONY BUS)
17
UNISO
O
Serial data output (for SONY BUS)
18
UNICKI
I
Serial clock input (for SONY BUS)
19
LINKOFF
O
Link off output
20
ILLON
O
Illumination power control output
21
CDMON
O
CD mechanism power control output
22
CD-ON
O
CD power control output
23
SP-A
O
Not used.
24
SP-B
O
Not used.
25
SP-C
O
Not used.
26
SP-SEL
O
Not used.
27
CDMUT
O
CD mute control output
28
EMPHON
O
Emphasis control output
29
CDRST
O
CD signal process IC reset output
30
XMODE
I
Not used.
31
SW1
I
Not used.
32
NIL
I
Not used. (Connect to GND.)
33
VSS
–
Microcomputer GND
34
TBTGSEL
I
CD traverse/tracking gain automatic adjustment select input
35
NIL
I
Not used. (Connect to GND.)
36
DB/DS
O
D-BASS (Digital Bass Boost) IC control output
37, 38
MOD2, 1
O
D-BASS (Digital Bass Boost) IC control output
39
DB RST
O
D-BASS (Digital Bass Boost) IC reset output
40
GFS
I
GFS signal detection input
41
SQ SI
I
SUB Q data input
42
SQ CKO
O
SUB Q clock output
43
NIL
I
Not used. (Connect to GND.)
44
CD SO
O
CD signal process serial data output
45
CD LAT
O
CD signal process latch output
46
CD CKO
O
CD signal process serial clock output
47
PH2
I
8 cm/12 cm disc detection input
48
F OK
I
Focus signal detection input
49
LDON
O
Laser ON/OFF control output
50
DSW
I
DOWN switch detection input
51
PH1
I
Disc insert detection input
52
LSW
I
Sled limit switch detection input
53
LMLOD
O
Loading motor control output (Loading direction)
54
LMEJ
O
Loading motor control output (Eject direction)
Содержание WX-C570
Страница 4: ... 4 SECTION 1 GENERAL This section extracted from E model s instruction manual ...
Страница 5: ... 5 ...
Страница 6: ... 6 ...
Страница 7: ... 7 ...
Страница 8: ... 8 ...
Страница 9: ... 9 ...
Страница 10: ... 10 ...
Страница 17: ... 17 2 13 OPTICAL PICK UP BLOCK 1 P 2x3 2 sled motor assy 3 optical pick up block ...
