
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
22
22
4-2. BLOCK DIAGRAM – DISPLAY Section –
X502
32.768kHz
SYSTEM CONTROL
IC501 (2/2)
LCD CONTROL
IC901
RE0
RE1
X501
7.92MHz
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
PANEL+B
KEY MATRIX
LSW905–912,
S901–907
PUSH ENTER/SELECT
RE901
ROTARY
ENCODER
Q901
LCD BACK LIGHT
DRIVE
Q903
LED
DRIVE
LED932,934,936,938,
940,942,944,946,
950,952,954
LSW905 (1/2)–LSW912 (1/2)
LED901
(LCD BACK LIGHT)
BATT
USB VBUS POWER SUPPLY
IC1300
1
CD SERVO,USB CONTROL
IC601(2/2)
3
2
VBUS
D+
D–
2
CN601
3
4
SYS_RST
SWDIO
SWCLK
4
CN902
(USB)
J801
(REMOTE IN)
S
LJQDO
P
DWK
: USB
+1.5V REG
IC681
+1.5V REG
IC682
+1.5V
BU+3.3V
+1.5V(VDDM)
X601
12MHz
(VOLUME)
DIMMER
SWITCH
Q905
(N
HZ
W\SH
)
Note 1:
Refer to “ABOUT CHANGE OF THE LCD DRIVER IC (IC901)
ON THE KEY BOARD” on page 7 for how to distinguish New type.
Note 2:
CN601 has been deleted in the midway of production.