18
• MAIN BOARD IC612 CXD9515Q (EXPANDER)
Pin No.
Pin Name
I/O
Description
1
VDD
—
Power supply terminal (+3.3V)
2
NC
—
Not used (open)
3
RST
I
Reset signal input from the system controller (IC605) “L”: reset
4
XFBSY
I
Busy signal input terminal “L”: busy
5
NFBSY
I
Not used (fixed at “H”)
6
NFCLE
O
Not used (open)
7
NFALE
O
Not used (open)
8
NFCE
O
Not used (open)
9
NFRE
O
Not used (open)
10
NFWE
O
Not used (open)
11
NFWP
O
Not used (open)
12 to 19
NFD0 to NFD7
I/O
Not used (open)
20
VDD
—
Power supply terminal (+3.3V)
21
GND
—
Ground terminal
22
XIFBSY
I
Busy signal input from the display controller (IC203) “L”: busy
23
XECS
O
Chip select signal output to the EEPROM (IC600)
24
XEWC
O
Write control signal output to the EEPROM (IC600)
25
XEBSY
I
Busy signal input from the EEPROM (IC600) “L”: busy
26
DACRST
O
Not used (open)
27
57RST
O
Not used (open)
28
01CS
O
Not used (open)
29, 30
01IT0, 01IT1
I
Not used (open)
31
01RST
O
Not used (open)
32
KRRST
O
Not used (open)
33
XKRDY
I
Not used (fixed at “H”)
34
KARLT
O
Not used (open)
35
CLAPBSY
I
Not used (fixed at “H”)
36
CLAPSW1
O
Not used (open)
37
CLAPSW0
O
Not used (open)
38
OTASUKE
I
Not used (fixed at “H”)
39
NC
—
Not used (open)
40
VDD
—
Power supply terminal (+3.3V)
41, 42
GND
—
Ground terminal (digital system)
43
NC
—
Not used (open)
44
SMC
I
Not used (fixed at “L”)
45
SIN
I
Not used (fixed at “L”)
46
SOT
O
Not used (open)
47
SCK
I
Not used (fixed at “L”)
48
AMC
I
Not used (fixed at “L”)
49
MAMUTE
O
Not used (open)
50
MICMUTE
O
Not used (open)
51
EUROV/Y
O
Not used (open)
52
RGBSEL
O
Not used (open)
53
VS
O
Not used (open)
54
FCSON
I
Function control signal input from the servo digital signal processor (IC607)
Содержание SCD-XB940
Страница 5: ...5 SECTION 2 GENERAL This section is extracted from instruction manual ...
Страница 6: ...6 ...
Страница 7: ...7 ...
Страница 10: ...10 TRAY 1 Remove the tray Careful of the claw claw claw ...
Страница 12: ...12 12 SCD XB940 4 2 PRINTED WIRING BOARD TK Board See page 11 for Circuit Boards Location Page 14 Page 14 ...
Страница 17: ...17 17 SCD XB940 4 7 SCHEMATIC DIAGRAM MAIN Board 2 6 Page 16 Page 20 Page 21 Page 18 Page 21 ...
Страница 19: ...19 19 SCD XB940 4 9 SCHEMATIC DIAGRAM MAIN Board 4 6 See page 32 for Waveform Page 16 Page 18 Page 20 ...
Страница 20: ...20 20 SCD XB940 4 10 SCHEMATIC DIAGRAM MAIN Board 5 6 Page 16 Page 19 Page 17 Page 16 Page 16 Page 18 Page 21 ...
Страница 27: ...27 27 SCD XB940 4 19 SCHEMATIC DIAGRAM DISPLAY Board See page 32 for Waveforms Page 29 Page 16 ...
Страница 33: ...33 2 IC203 ea EXTAL DISPLAY Board 1 IC201 tk OSCO 4 1 Vp p 484 ns 3 8 Vp p 8 MHz ...
