20
20
CDX-GT315C
CDX-GT315C
4-2. BLOCK DIAGRAM — DISPLAY SECTION —
RESET
KEY ACKNOWLEDGE
SWITCH
Q664
SYSTEM CONTROL
IC501 (2/2)
FL901
FLUORESCENT
INDICATOR TUBE
CLK
CS
20
19
16
GRID1
GRID2
GRID3
41
1G
15
RESET
9
VH
F+
F–
FL VH+12V
5
VDD(+3.3V)
E MODEL
PANEL+B
BATT
FL VH+12V
LED941–947,
950–957,
961–963,
LSW901,902
LED841–847,
850–857,
861–864,
LSW901,902
40
Q1
39
Q2
X501
18.432MHz
12
14
10
3G
D503
17
•
18
6
•
42
1
•
2
44
•
45
2G
DIO
PANEL+B
BU+3.3V
KEY MATRIX
X502
32.768kHz
LSW901,902
S901–904,906–915
(VOLUME)
PUSH SELECT
RE901
ROTARY
ENCODER
PANEL+B
FL VH+12V
FL DRIVE
Q883
FL DRIVE
Q882
FL DRIVE
Q881
LED DRIVE
Q991
LED DRIVE
Q992
PANEL+B
S103
RESET
S501
(FREQUENCY SELECT)
10k
BU+3.3V
9k
D204-206
D200-203
D207
J370
(REMOTE IN)
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
9
9
2
8
9
4
2
9
8
1
3
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299