21
21
CDX-F7000/F7005X/FW700
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
FL VDD+5V
T620
DC-DC
CONVERTER
IC620
D623,624
D620,621
D622
FL+4.3V
FL+1V
FL+55V
ILL+B
BATT
X301
32.768kHz
8
9
11
13
85
98
99
100
84
87
70
86
10
DISPLAY CONTROL
IC901
GCP
BUFFER
IC902
FL900
FLUORESCENT
INDICATOR
TUBE
KEYIN0
CE
DISP SI
DISP SO
FL DAT1
FL DAT2
FL DAT3
LAT
BK
GCP
GCP1
GCP2
GCP3
GCP4
FL CLK
DISP CKO
KEYIN1
88 KEY ACKO
89 KEY ACK1
ILL+B
BATT
KEY ACK2
RCIN1
RCIN0
RESET
NOSE SW
2 IN
1
OUT
XCIN
XCOUT
XOUT
XIN
X302
6MHz
S301
RESET
29
30
31
25
SO
SI
95
DISP CE
1 CE
7
CNVSS
7 CNVSS
4
61
DISP RESET
10 RESET
1
RESET
IC904
CLK
ILL+B
1
SIRCS
92
FLD ON
93
FL ON
22
FSW OUT
21
FSW IN
90
DOOR IND
1
VCC
IR
LED901,910-914
LSW901-908
LED931,932
REMOTE CONTROL
SIGNAL RECEIVER
IC903
2 OUT
BU+5V
KEY MATRIX
S901-910,912
LSW901-908
ENC901(2/2)
35
36
SYSTEM CONTROL
IC303 (3/3)
REIN0
REIN1
ROTARY
ENCODER
ENC901(1/2)
37
S300
(NOSE DET)
RESET
IC302
CNJ101
(REMOTE IN)
POWER
CONTROL
Q601,602
33
6
99
5
3
4
21
12
22
13
35
7
11
23
5
28
1
27
2
11
+5V REG
D911
POWER
CONTROL
Q914,916
POWER
CONTROL
Q623,Q624
ON/OFF
DRIVE
Q620
DC-DC
CONVERTER
CONTROL
Q621,622
+5V REG
Q915
7
4
65
5
VCC
OUT
IN
CT