2222
D-NE20/NE20LS
D-NE20/NE20LS
• IC Block Diagrams
– EGH Board –
IC601 CXD9839K-G
LOW
BOOST
RF
EQUALIZER
17RFIN
16NC
18VDD
20WLOUT
1
WBIN
2
WBOUT
3
WCIN
19WOIN
AGC
WOBBLE
LPF AMP
WOBBLE
BPF AMP
RF
EQUALIZER
RF
EQUALIZER
SERIAL
I/F
to each block
15
RFOUT
14
DETIN
13
CAGCT
12
CAGCT
11
CAGCT
10 SENB
9 VSS
8 VREF
7 XPCLK
6 WPOL
4
WOOUT
5
WPCOU
Pin No. Pin Name I/O Description
1 PE6/SI1 I Status read signal input from LCD driver (not used)
2 PE5/SO1 O Command send signal output to LCD driver (not used)
3 PE4/XSCK1 O Clock signal output to LCD driver (not used)
4 PE3 O Chip select signal output to EEPROM
5VDIO0 – Power supply terminal (+2.1V)
6 VSS0 – Ground terminal
7DVDD7 – Power supply terminal (+1.5V)
8 PE2/DTCK I LCD indication of remote control signal output
9 PE1/RxD0 I not used
10 PE0/TxD0 O not used
11 EVA – Ground terminal
12 SDDQ16 I/O Data bus to SDRAM
13 SDDQ15 I/O Data bus to SDRAM
14 TAPTDO – not used
15 SDDQ14 I/O Data bus to SDRAM
16 SDDQ13 I/O Data bus to SDRAM
17 SCANEN – Ground terminal
18 SDDQ12 I/O Data bus to SDRAM
19 SDDQ11 I/O Data bus to SDRAM
20 TEST2 – Ground terminal
21 SDDQ10 I/O Data bus to SDRAM
22 SDDQ8 I/O Data bus to SDRAM
23 VDIOSD0 – Power supply terminal (+2.1V)
24 VSS1 – Ground terminal
25 SDDQ9 I/O Data bus to SDRAM
26 SDDQ6 I/O Data bus to SDRAM
27 SDDQ7 I/O Data bus to SDRAM
28 SDDQ2 I/O Data bus to SDRAM
29 TEST3 – Ground terminal
30 SDDQ4 I/O Data bus to SDRAM
31 SDDQ3 I/O Data bus to SDRAM
32 TEST0 – Ground terminal
33 XSDWE O WE signal output to SDRAM
34 SDDQ1 I/O Data bus to SDRAM
35 TEST1 – Ground terminal
36 SDDQ5 I/O Data bus to SDRAM
37 SDLDQM O UDQM signal output to SDRAM
38 VDIOSD1 – Power supply terminal (+2.1V)
39 VSS2 – Ground terminal
40 SDUDQM O LDQW signal output to SDRAM
41 XSDCAS O XCAS signal output to SDRAM
42 XSDCS O Chip select signal output to SDRAM
43 TEST5 – not used
44 XSDRAS O XRAS signal output to SDRAM
45 SDCKE O CKE signal output to SDRAM
46 TEST6 – not used
47 SDCLK – Clock signal output to SDRAM
48 SDA13 – not used
49 XTRST – not used
50 SDA12 – not used
• IC Pin Function Description
EGH BOARD IC603 CASINO1 (SYSTEM CONTROLLER)
IC3007 NJU8713V-TE2
6
OUT1
4
EN1
3
IN1
2
VSS
1
MCK
5
VSSO
7
VDDO
BPZ
OUTPUT
OUTPUT
CONTROL
9
OUT2
8
VDDO
10
VSSO
12
IN2
11
EN2
13
VDD
14
BEEP
BPZ
OUTPUT
IC402 NCP1400ASN22TIG
-
+
VOLTAGE
REFERENCE
PHASE
COMPENSATION
SOFT-START
PWM
CONTROLLER
180 kHz
OSCILLATOR
DRIVER
VLX LIMITER
POWER
SWITCH
GND
NC
OUT
CE
ERROR
AMP
4
LX
5
3
2
1
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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