D-NF400/NF401
13
13
6-2.
BLOCK DIAGRAM – TUNER Section –
FM RF
L1
TV/FM OSC
L2
ANTENNA
AM FERRITE-BAR
L3
CT3
AM OSC
L4
CONVERTER
DC/DC
Q86, T81
D1
FM RF AMP, FM/AM MIX AMP, FM/AM OSC,
CF1
X61
75kHz
IC3
DTS MICRO CONTROLLER
CF2
X1
B+ SWITCH
B+ SWITCH
Q4,11
V IN
EEPROM
IC62
IC801(2/2)
SYSTEM CONTROLLER
D6
D7
D0
D5
CS
A0
FM ANT
TU-L
TU-R
TU MUTE
TU_VOL
TU BASS1
TU_DCINMNT
BATMNTT
TU BASS2
TU BEEP
HOLD
D3
D2
BPF
FL1
(NF400 : US, CND)
(NF400 : US, CND)
Q71
Q3
Q8
TV RF
L5
D5
Q40, 41
LOW-PASS
FILTER
Q84, 85
VCPU
TU_VCC
V IN
Q802
RD
WR
RES
VCPU
PS
OPEN
NF400 : US, CND/
NF401 : E92, MX
LIQUD
CRYSTAL
DISPLAY
LCD2001
S2001 - 2005
FUNCTION
KEY
S806, 809, 2007 - 2011
FUNCTION
KEY
KEY2
KEY1
B+ SWITCH
Q10, 12
• SIGNAL PATH
NF400 : AEP, UK, EE, E13, AUS/
NF401 : E13
CT3, L3
AM TRACKING
FM TRACKING
TV TRACKING
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
0
5
1
5
1
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299