D-NF400/NF401
19
19
6-8.
SCHEMATIC DIAGRAM – MAIN Board (5/7) –
•
See page 14 for Waveform.
•
See page 29 for IC Pin Function Description.
@ When IC803 is damaged, replace the MAIN board.
R866
C896
R903
C898
R820
R809
R830
R831
R827
Q801
R828
C57
C810
C821
IC806
R810
CN807
C833
C830
C834
C835
R972
R970
R935
R877
C812
SL801
R840
R806
R824
R802
S806
S809
R942
R805
R868
C899
CN801
C808
SL825
R875
S820
SL824
R881
R880
R971
R843
R817
C806
R813
C897
R949
C805
IC803
R878
S810
R826
D801
R886
10k
0.1
1k
0.1
0
0
470k
1M
4.7k
XP4501-TXR
2.2M
0.1
1
0.1
XC6206P142WR
0
10P
4700p
4700p
4700p
4700p
10k
100k
100k
100k
0.1
10k
100k
0
2.2k
47k
100k
47k
0.1
20P
4700p
10k
0
0
0
0
0
0.1
10k
1
100k
1
AK6417CH-E2
0
1M
MA728-TX
100k
C1
F1
F3
F4
I1
I2
I3
I4
I5
I6
I7
I8
J1
K1
K2
K3
OPEN
HOLD
LCD_REQ
DTS_SDTO
DTS_SI<AD7>
DTS_CK
ACKCD
AD_KEY1
AD_KEY2
TU_ON
CD_ON
NRST
DTS_RST
AD6
A-0
LCD_CS
SDCLK
SDIN
SDOUT
WAKEUP_K
REQ_I
TUPWRON
DATA
DATA
CLOK
CLOK
XWAKEUP
RESET
POWERLT
FG
OPSTB
OPGSW
HOLD
AD_KEY1
AD_KEY2
AD_KEY2
HOLD
OPEN
XRST
SYSM
SENS
SCOR
XLAT
XSOE
GFS
FOK
BEEP
AD_KEY1
AD_KEY1
AD_KEY2
LCD_REQ
LCD_REQ
AD_KEY1
DTS_SDTO
DTS_SI<AD7>
DTS_CK
DTS_SDTO
DTS_SI<AD7>
DTS_CK
ACKCD
ACKCD
AD_KEY2
AD_KEY1
CD_ON
NRST
DTS_RST
TU_ON
NRST
DTS_RST
AUD_SEL
CD_ON
TUPW
RON
R8M
AD0
AD1
AD2
AD3
AD4
AD5
AD6
EEP_CS
EEP_CS
DTS_SI<AD7>
DTS_SI<AD7>
PS
A-0
A-0
RD
RD
WR
W
R
LCDRST
LCDRST
AD0
AD1
AD2
AD3
AD4
AD5
AD6
REQ_I
SOCLK
SDOUT
SDOUT
SDIN
SDIN
SDIN
SDOUT
SDCLK
BATMN
DCINMNT
SDCLK
REQ_I
TUPWRON
TU_ON
DTS_SDTO
DTS_SI<AD7>
DTS_CK
OPEN
PS
GND
GND
GND
VCPU
TXD21
RXD22
TCK23
RST30
BOOT78
8M28
ON
OFF
SGND
AD_KEY1
AD_KEY2
DGND
VCC2_2.7V
PS
VCPU_2.0V
D0
D1
D2
D3
D4
D5
D6
D7
LCDA0
RD
WR
LCD_CS
RES
(5/7)
(FOR CHECK)
+
-
VOL
(OPEN)
(OPEN/CLOSE DETECT)
EEPROM
(TEST)
(NF400:AUS)
+1.4V REGULATOR
(NF400:AEP,UK,EE)
-2
-1
SWITCH
(NOT SUPPLIED)
HOLD
(NF400:AEP,UK,EE)
w w w . x i a o y u 1 6 3 . c o m
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