– 38 –
17G
26G
35G
4 4G O LCD drive
53G
62G
71G
8 VDD – Power supply (+5 V)
9 CD CLOCK O CD serial clock output
10 CD DATA O CD serial data output
11 SENSE I SENS input from DSP (CXD2507AQ)
12 XLT O Latch output to DSP (CXD2507AQ)
13 PRGL O Latch output to D/A converter (PCM710µ)
14 SQCLK O Sub-code Q data scanning clock output
15 – – Not used (OPEN)
16 SUB Q I Sub-code Q data serial input
17 RESET – System reset
18 BACK UP I Back up mode input terminal
19 MD/TC I MD/TC select data input terminal
20 A/D GND – A/D converter Ground terminal
21 FCS SW O Focus gain select data output
22 LOAD OUT O Loading motor (M903) load out output
23 LOAD IN O Loading motor (M903) load in output
24 ADJ I CD test mode input “L”: Test mode
25 IN/OUT SW I CD tray loading IN/OUT switch input
26 VERSION I Model select input
27 KEY IN I CD control key input
28 KEY IN I Amplifier control key input
29 A/DVDD – A/D converter power supply (connect to VDD)
30 AVREF – A/D converter refernce voltage input
31 XT1 – Sub system clock (32.768kHz)
32 XT2 – Sub system clock (32.768kHz)
33 GND – Ground
34 X1 – Main system clock (5MHz)
35 X2 – Main system clock (5MHz)
36 STD OUT O Data output to LC72130
37 STD IN I Data input from LC72130
38 ST CLK O Clock output to LC72130
39 ST CE O Latch output to LC72130
40 DATA O Data output to TC9210 (Electrical volume) and BU2092 (Serial/Parallel)
5-7. IC PIN FUNCTION DESCRIPTION
DISPLAY Board IC701 µPD78044AGF-102-3B9 (System Control)
Pin No. Pin Name I/O Function
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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