Block Diagram -Display Section - Sony CDX-GT63UIW Service Manual

CDX-GT63UIW/GT630UI/GT637UI
4-2.
KEY MATRIX
S201,951–966
PUSH ENTER/SELECT
LED201,202
CDX-GT63UIW/GT630UI/GT637UI
BLOCK DIAGRAM – DISPLAY Section –
SYSTEM CONTROL
IC501 (2/2)
KEYIN1
39
LCD_SO 49
LCD_SCK 50
40 KEYIN0
LCD_CE
48
46 KEYACK1
RE901
(VOLUME)
ROTARY
RE0
11 RE-IN0
ENCODER
RE1
12 RE-IN1
34 RC IN1
J701
41 RC IN0
(REMOTE IN)
45 KEYACK0
14 XIN
X502
32.768kHz
13 XOUT
92 OSCIN
X501
7.92MHz
93 OSCOUT
DD ON 80
REMOTE SYNC OUT 99
CONTROL
SIGNAL 3 95 SIRCS
RECEIVER
USB ON 79
IC982
USB OVER 89
7 NOSE_SW
S501
FRONT PANEL
DETACH DETECT
DOOR SW 5
6 DOORIND
F AUX 73
DOOR IND
LED DRIVER BATT
Q908
LCD DRIVER,LED CONTROL
IC981
3
|
S1
LCD901
78 DI I
64
S64 •
77 CL LIQUID
PANEL+B
69
CRYSTAL
CE
76
DISPLAY
PANEL
COM1 65
I
|
COM4
68
DIMMER 79
BLUE 2
GREEN 1
RING 80
USB POWER
SWITCH
BATT
Q801
USB POWER
DC/DC CONVERTER
CONTROL
CONTROL DC/DC CONVERTER
Q802
IC803 IC801
3 CLR D804
Q 5 1 RC DRV
2 B
D977 D978
S971
FRONT PANEL
OPEN DETECT
MAIN
ATT A
SECTION
D504 (Page 17)
18 18
LED
DRIVER
Q992
LED991,992 LED901-916 LED921-936,
940
Q991 Q901 Q921
DIMMER BLUE GREEN
CONTROL LED LED
CONTROL CONTROL
RING ILLUMI
LED CONTROL
Q993
USB POWER
CONTROL SWITCH
IC802
SWITCHING
L802
+5V REG
REGULATOR
2 IN
Q806
Q803
3 IN
D803
VOLTAGE
DETECT
Q804,805
6
4 EN
5 OC
Q971
USB SELECT SWITCH
USB ON/OFF
IC971
CONTROL
3 2E
7 1E
CD
USB D+ 2 1Z
MECHANISM
5 2Y
USB D–
UNIT
(MG-101Z)
(2/2)
LED917-920 LED937-939,
941
OUT 6 VBUS
OUT 7
OUT 8
• Signal Path
: USB
VBUS
1 CN971
D+
1Y 1 3
D–
2Z 6
2
4
(USB)