Sony CDX-GT454US - Block Diagram -Display Section

CDX-GT450U/GT454US
CDX-GT450U/GT454US
1616
4-2. BLOCK DIAGRAM – DISPLAY Section –
X502
32.768kHz
10
11
94
1
2
100
95
SYSTEM CONTROL
IC501 (2/2)
LCD DRIVER,LED CONTROL
IC901
KEYIN1
CLK
LCD
CE
LCD_SO
LCD_CLK
LCD_CE
KEYIN0
92
KEYACK1
82
RE-IN0
RE0
RE1
81
RE-IN1
XOUT
XIN
X501
7.92MHz
15
13
OSCOUT
3
NOSE_SW
OSCIN
63
64
62
DIMMER
2
COM4
I
COM1
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
5
|
50

55

60
51
|
54
SEG48
I
SEG1
DATA
PANEL+B
KEY MATRIX
LSW905–912,
S901–907
(VOLUME)
PUSH ENTER/SELECT
RE901
ROTARY
ENCODER
4
SIRCS
REMOTE
CONTROL
SIGNAL
RECEIVER
IC902
Q901
LCD BACK LIGHT
DIMMER
CONTROL
LED903,905,907,909,
910,912,914,916,919,
921,925,928,929,932,
934,936,938,940,
LSW905 (1/2)–LSW912 (1/2)
LED901
(LCD BACK LIGHT)
3
26
SYNC_OUT
BATT
52
USB_OVR
50
USB ON
L602
USB VBUS POWER SUPPLY
IC601
CD
MECHANISM
UNIT
(MG-101N)
(2/2)
USB D+
USB D–
9
HSDCTL
10
FLG
8
SYN/EN
2
VIN
12
HSDSW
13
HSDSW
1
1
CN701
(2/2)
15
3
2
VBUS
D+
D–
4
CN902
(USB)
18
RC_IN1
91
KEYACK0
97
RC_IN0
J801
(REMOTE IN)
6LJQDO3DWK
: USB