Block Diagram -Display Section - Sony CDX-GT690UI Service Manual

CDX-GT690UI/GT696UI
4-2.
KEY MATRIX
S201,951–966
PUSH ENTER/SELECT
LED201,202
CDX-GT690UI/GT696UI
BLOCK DIAGRAM – DISPLAY Section –
SYSTEM CONTROL
IC501 (2/2)
KEY_IN1
39
LCD_SO 49
LCD_SCK 50
40 KEY_IN0
LCD_CE
48
46 KEY_ACK1
RE901
(VOLUME)
ROTARY
RE0
11 RE_IN0
ENCODER
RE1
12 RE_IN1
AREA_SEL2 52
34 RC_IN1
J701
41 RC_IN0
(REMOTE IN)
45 KEY_ACK0
14 X_IN
X502
32.768kHz
13 X_OUT
92 OSC_IN
X501
7.92MHz
93 OSC_OUT
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 DOOR_IND
F_AUX 73
DOOR IND
LED DRIVER BATT
Q908
LCD DRIVER,LED CONTROL
IC981
3
|
S1
64
LCD901
I
78 DI
S64 69
77 CL LIQUID
PANEL+B
CRYSTAL
CE 74
76
DISPLAY
PANEL
65
COM1
I |
COM4
68
DIMMER 79
BLUE 2
GREEN 1
RING 80
E,IND MODEL
S502
(FREQUENCY SELECT)
FM(200K)
AM(10K)
BU+3.3V
FM(50K)
AM(9K)
USB POWER
BATT
SWITCH
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
A
ATT
SECTION
(Page 13)
D504
14 14
RING ILLUMI
LED DRIVER
Q992
LED991,992 LED901-916 LED921-936,
940
Q991 Q901 Q921
DIMMER BLUE GREEN
CONTROL LED LED
DRIVER DRIVER
RING ILLUMI
LED CONTROL
Q993
USB POWER
CONTROL SWITCH
IC802
L802
SWITCHING
+5V REG
2 IN
REGULATOR
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
S P
: USB
A
IND: I
VBUS
1 CN971
D+
1Y 1 3
D–
2Z 6
2
4
(USB)