Block Diagram -Display Section - Sony CDX-GT454US Service Manual

CDX-GT450U/GT454US
CDX-GT450U/GT454US
4-2. BLOCK DIAGRAM – DISPLAY Section –
SYSTEM CONTROL
IC501 (2/2)
94 KEYIN1
KEY MATRIX
LSW905–912,
S901–907 95 KEYIN0
92 KEYACK1
RE901
PUSH ENTER/SELECT
(VOLUME)
ROTARY RE0
82 RE-IN0
ENCODER
RE1
81 RE-IN1
18 RC_IN1
J801
97 RC_IN0
(REMOTE IN)
91 KEYACK0
10 XIN
X502
32.768kHz
XOUT
11
15 OSCIN
X501
7.92MHz
13 OSCOUT
REMOTE
CONTROL
SIGNAL 3 4 SIRCS
RECEIVER
IC902
3 NOSE_SW
16
LCD DRIVER,LED CONTROL
IC901
5
|
SEG48
50
LCD901
I
55
LCD_SO 1 64 SEG1
DATA LIQUID
PANEL+B
60
CRYSTAL
LCD_CLK 2 63 CLK LCD
DISPLAY
LCD_CE 100 62 CE
PANEL
COM4 51
I
|
COM1
54
DIMMER 2
USB VBUS POWER SUPPLY
IC601
2 VIN
BATT HSDSW 12
HSDSW 13
SYNC_OUT 26 8 SYN/EN
USB ON 9 HSDCTL
50
10 FLG
USB_OVR 52
16
LED903,905,907,909,
910,912,914,916,919,
LED901
921,925,928,929,932,
(LCD BACK LIGHT)
934,936,938,940,
LSW905 (1/2)–LSW912 (1/2)
Q901
LCD BACK LIGHT
DIMMER
CONTROL
L602
CN701
(2/2)
CD
1
MECHANISM
USB D+
UNIT 15
USB D–
(MG-101N)
(2/2)
: USB
VBUS
CN902
1
D+
3
D–
2
4
(USB)