CDX-GT33U
CDX-GT33U
18
18
4-2.
BLOCK DIAGRAM – DISPLA
Y
Section –
92
93
40
49
50
39
95
1
3
SYSTEM CONTROL
IC401 (2/2)
USB POWER
CONTROL SWITCH
IC503
LCD DRIVER, LED CONTROL
IC901
KEYIN0
CL
CE
LCD SO
LCD SCK
LCD CE
2
1
BACK LIGHT
4
BLINK
KEYIN1
11
RE–IN0
12
RE–IN1
46
KEYACK1
SIRCS
OSCOUT
OSCIN
X401
7.92MHz
63
64
62
DIMMER
S1–48
COM1–4
DI
PANEL+B
KEY MATRIX
LSW907–917,
S901–906
14
13
XOUT
XIN
X402
32.768kHz
99
SYNC OUT
24
USB OVER
7
NOSE SW
21
USB ON
BATT
100
DD ON
(VOLUME)
PUSH ENTER/ SELECT
RE901
ROTARY
ENCODER
REMOTE CONTROL
SIGNAL RECEIVER
IC971
VIN
V–BUS
VOUT
2
LED DRIVER
Q801
LCD
BACK PANEL
D510
L502
CD
MECHANISM
UNIT
(MG-101Y)
(2/2)
USB D+
USB D–
DC-DC CONVERTER
IC501
6
DRV
1
RC
LCD
BACK LIGHT
DRIVER
Q932
LCD901
LIQUID CRYSTAL
DISPLAY PANEL
DIMMER
SWITCH
Q931
USB POWER
SWITCH
Q502
USB POWER
CONTROL
Q501
SWITCHING
REGULATOR
Q503
USB OVER
CURRENT
DETECT
Q504,505
1
2
3
4
CN902
CN902
(USB)
LED951–953
(RING ILLUMINATOR)
D502
PANEL+B
PANEL+B
PANEL+B
LED941–946,
LSW907–917
LED931
1
3
CONT
34
41
45
RC_IN1
KEYACK0
RC_IN0
J801
(REMOTE IN)
48
5–10,
55,60
54–51
• Signal Path
c
: USB
c
c
