Block Diagram -Display Section - Sony CDX-GT650UI Service Manual

CDX-GT650UI/GT700UI/GT707UI
CDX-GT650UI/GT700UI/GT707UI
4-2. BLOCK DIAGRAM – DISPLAY Section –
SYSTEM CONTROL
IC501 (2/2)
94 KEYIN1
KEY MATRIX
S201,951–957,
959–966 95 KEYIN0
LCD_CLK
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
11 XOUT
15 OSCIN
X501
SYNC_OUT
7.92MHz
13 OSCOUT
REMOTE
CONTROL
SIGNAL 3 4 SIRCS
RECEIVER
IC984
USB_OVR
3 NOSE_SW
S501
FRONT PANEL
DETACH DETECT
DOOR_SW
DOOR_ING
LCD DRIVER,LED CONTROL
IC981
3
|
S1
64
LCD901
I
69
LCD_SO 78 S64
1 DI LIQUID
74
CRYSTAL
2 77 CL
DISPLAY
LCD_CE 100 76 CE
PANEL
COM1 65
I
|
COM4
68
P3 (GREEN) 1
P4 (RED) 2
P2 (BLUE) 80
USB VBUS POWER SUPPLY
IC601
2 VIN
BATT HSDSW 12
HSDSW 13
26 8 SYN/EN
9 HSDCTL
USB ON 50
52 10 FLG
MAIN
A
DOOR_SW
SECTION
(Page 15)
23
25
LED201,202
LED
DRIVER
B.U+5V
Q501,502
16 16
PANEL+B
(GREEN) (RED) (BLUE)
Q973,976,979 Q972,975,978
LED COLOR LED COLOR
CONTROL CONTROL
L602
USB SELECT
SWITCH
IC971
CN701
(2/2)
CD
1 1Z 1Y
MECHANISM
USB D+
2 1
UNIT 15
USB D–
(MG-101P) 5 6
2Y 2Z
(2/2)
1E 2E
7 3
D977 D978
USB ON/OFF
CONTROL
Q971
S971
FRONT PANEL
OPEN DETECT
LED986-990
Q974,977,980
LED COLOR
CONTROL
S P
: USB
VBUS
CN971
1
D+
3
D–
2
4
(USB)