Schematic Diagram -Key Section - Sony CDX-GT730UI Service Manual

CDX-GT730UI/GT737UI/GT780UI
4-12. SCHEMATIC DIAGRAM – KEY Section –
1 2
KEY BOARD
A
B
C
D923
MAZ8091GMLS0
C929
0.22
Q910
LTC614TKFP8T146
D
CN901
24P
JL003
CNVSS
24
JL004
DSPL_RESET 23
FL_VDD+3.3V 22
DSPL_CE
21
E
JL002
DSPL_RX
20
JL001
DSPL_TX 19
ILL+10.4V
18
FB909 0
FL/ILL_GND
17
FB910 0
FL_F(-) 16
FB911 0
FL_F(+) 15
FB908 0
FL_VDD2+55V
SUB 14
FB913
B
BOARD UCOM_GND 13
CN703
AUX-R 12
(Page 30)
AUX-GND
11
F
AUX-L
10
FB912
KEY-GND 9
KEY-0
8
RE_1
7
RE_0 6
DOOR 5
USB_GND
4
USB_D+ 3
USB_D- 2
USB_VBUS
1
G
AUX BOARD
FB901 W004 W001
J901
FB902 W005 W002
AUX
FB903 W006 W003
H
5
CN902
6P
USB-VBUS
D–
D+
USB-GND
(USB)
C901
6
0.1
R918
I
J
R917
10k
CDX-GT730UI/GT737UI/GT780UI
• See page 20 for Waveforms.
3 4 5
D926,LED917-920
(RING ILLUMINATOR)
Q905
BLUE LED
DIMMER Q907
CONTROL
Q908,910 GREEN LED
LED POWER DIMMER
Q905
CONTROL
CONTROL LTC614TKFP8T146
0.1 0.1
Q908
2SC5784(TE85L)
Q907
9.7 10.5
LTC614TKFP8T146
4.1 3.4 3.4
10.3
Q906
LTC614TKFP8T146
R984
4.1 3.4 3.4
330
1.3
0.7 Q906
4.1
RED LED
DIMMER
CONTROL
C903 JL005
R993
0.1
0
C906
FB900
2.2 JL010
R913
820
S917
R914 OFF
1k
S918
SOURCE
R994
0
LF901
10k
C925
0.22
IC904
SN74LVC2G66DCUR
D902
0 0
1A VCC 1SS355WTE-17
RE901
0 0 ROTARY
1B 1C
ENCODER
0 0
PUSH ENTER/
2C 2B
R919 SOUND/MENU
0
1k
GND 2A (VOLUME)
0
IC904
S901
0
FRONT
USB SELECT SWITCH
PANEL
IC B/D OPEN
0
Q901
DETECT
RT1P141C-TP-1
USB ON/OFF CONTROL
• See page 38 for IC Block Diagrams. • See page 41 for IC Pin Function Descriptions.
6 7 8
Q902 Q903 Q904
LTC614TKFP8T146 LTC614TKFP8T146 LTC614TKFP8T146
3.4 3.4 0.1
RED LED GREEN LED BLUE LED
DRIVER DRIVER DRIVER R989
0.9 0.9 3.5
C928 C927 C926
4.7 4.7 4.7
R990
FB907
R991
0
DSPL_CE
DSPL_RX
DSPL_TX
IC902
RESET
R977
100k
DSPL_CE
IC902
XC61CN2802NR
R922
100
3.3
R926
Vss Vout
R921
100
R971
47k
4 3.3
100k
Vdd
NC
3.8
R920
47k R923
0.9
1k
C923 0.9
C910
D916
0.1 4.7
1SS355WTE-17 2.4
R974
2.2k JL007
4.1
R924
100
0.9
C909
0.1
JL009
3.3
R966
2.6
100k
R925
2.2k
0.9
X901
8MHz
4.1
4.1
R927
C911 0.1
100k
1.1
3.3
1
0.9
32 32
9 10 11 12
1 2 3 5 6 7 8
C915
0.1
C917
0.1
2.2k
2.2k
2.2k
IC903
D925 1SS355WTE-17 IC903
RS-470
REMOTE CONTROL
R946 SIGNAL RECEIVER
D924 1SS355WTE-17 220
4.1 4
VCC GND1
3.9 3
OUT GND2
R945
R941
C924 1k
10k
0.01
0.5%
C912 R940
R978 R943 R942
0.1 100
100 100 100
IC901
1
R5F64116DA02FB
4.1
R973
R972
100k
100k
R967
100k
R975 R976
100k 100k
13 14
FL901
FLUORESCENT INDICATOR TUBE
21 22 23 24 25 26 27 28 29 30 31 32 33 35 36 37
C920
0.1
C908
0.1
100V
1
2
SCRL
(US,E,EA,MX)
S902 S909
AF/TA/PTY
ZAP
(AEP,UK,IT,RU)
R901
R906
820 S903 S910
820
SEEK+/
1/REP
R902 R907
1k S904 S911 1k
2/SHUF
R903
R908
1k S905 S912
1k
3/ALBUM –
R904
R909
1.2k S906 S913
1.2k
MODE 4/ALBUM +
R905
R910
S907 S914
1.5k
1.5k
5/DM+
C916 /SEEK–
R911
0.1
S915
1.8k
6/PAUSE
R912
S916
2.2k
DSPL
(US,E,EA,MX)
DSPL/SCRL
(AEP,UK,IT,RU)