Schematic Diagram -Key Section - Sony CDX-GT450U Service Manual

4-8. SCHEMATIC DIAGRAM – KEY Section –
1 2
KEY BOARD
A
FB902
FB901
J901
AUX
R905
0
FB903
B
CN901
20P
USB_GND 1
2
USB_VBUS
D- 3
D+ 4
GND 5
KEY_GND 6
AUX_L 7
C
AUX_R 8
AUX_GND 9
MAIN
BOARD A RE_0 10
(3/3)
RE_1 11
CN102
KEY_1 12
(Page 21)
13
KEY_0
R995
SIRCS 14
LCD_DATA 15
LCD_CE 16
LCD_CLK 17
D
ILL(FP+B) 18
PANEL_SW 19
GND 20
E
5
CN902
4P
GND-USB
D+
7
D–
VBUS-USB
(USB)
6
F
* 1 LED903,905,907,909,910,912,
LED914,916,919,921,925,928,
LED929,932,934,936,938,940
SML-D12V8WT86SN
(EXCEPT GT50UMS/GT457UE)
SML-D12Y8WT86SP
(GT50UMS)
SML-D12P8WT86SJ
G
(GT457UE)
2 R937,942,978
*
220
(GT457UE)
680
(GT50UMS)
820
(EXCEPT GT50UMS/GT457UE)
* 3 R948,975,976,994
220
(GT457UE)
820
(EXCEPT GT457UE)
H
* 4 R952
330
(GT457UE)
1k
(EXCEPT GT457UE)
* 5 R953,958,959
330
(GT457UE)
1k
(GT50UMS)
1.2k
(EXCEPT GT50UMS/GT457UE)
I
* 6 R962,963,966,967
100
(GT457UE)
150
(EXCEPT GT457UE)
* 7 R970
150
(GT457UE)
220
(EXCEPT GT457UE)
J
CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
Downloaded from www.Manualslib.com
3 4 5
C915
R939
1000p
1.2k
C916
1000p
C912
R907
0.1
0
R935
1.2k
1k
DATA
CE
CLK
AR MODEL
R941 R942 R949 R978
1.2k * 2 1.2k * 2
AR MODEL
R943 R976 R951 R994
1.2k * 3 1.2k * 3
AR MODEL AR MODEL
VDR906
AR MODEL
VDR908
R999
10
R980 R983 R952 R954
1.8k * 10 * 4 1.5k
R981 R984 R953 R955
1.8k * 10 * 5 1.8k
RE901
ROTARY ENCODER
R982 R985
PUSH ENTER/ 11
2.2k *
SELECT
AR MODEL
(VOLUME)
R944
10
manuals search engine
6 7 8
R986 100
5 3 1
Z
LSW905
DSPL/SCRL
6 4 2
R920
S901
820 AR MODEL
R960 R962
R900 150 * 6
R928
0
820
R961 R963
* 6
150
SOURCE/OFF
5 3 1
R921
LSW906
S902
1k
6/PAUSE
6 4 2
R937
* 2
SEEK+ R929
1k
M
>
R948
3
* 5 3 1
R922
LSW907
S903
1k
5
6 4 2
R930
1k
/MODE
R923
S904 5 3 1
1.2k
LSW908
4/SHUF
6 4 2
SEEK–
.
m R931
1.2k
R979 R996
1.2k * 12
R924
S905 5 3 1
1.5k
LSW909
3/REP
6 4 2
AR MODEL
R987 R990
R965 R966 R932
1.5k * 12
* 6 1.5k
150
R925
S906
1.8k
5 3 1
R989 R991 LSW910
1.5k * 13
2/ALBUM +
ZAP
6 4 2
R926
AR MODEL
S907
2.2k
R964 R967
150 * 6
R933
1.8k
5 3 1
LSW911
1/ALBUM –
6 4 2
AR MODEL
R968 R970 R934
7 2.2k
220 *
5 3 1
LSW912
AF/TA/PTY
R956 R958
(AEP,UK,RU)
1.5k * 5
PTY
6 4 2
(E,AR,EA,MX,IND)
R957 R959
AR MODEL
5
1.8k *
R969 R971
8
220 *
D921
RKZ6.8B2KGP1
23 23
CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
9 10 11 12
R940 R906
150 150
1
5.2
VCC
3
4.7
OUT
2
GND
IC902
IC902
PNA4813M01S0
REMOTE CONTROL
SIGNAL RECEIVER
R908
120
S[4] 2.6
S[3]
2.6
COM[4] 2.6
COM[3] 2.6
D902
R974 R972 R909 C906 COM[2] 2.6
* 9 1.2k 120 0.1 RKZ5.1B2KGP1
COM[1] 2.6
S[2]
2.6
C903 0.1
5.2
R975 R973 R910
1.2k 120
* 3 C902 0.1 3.5
AR MODEL
C901 0.1 1.8
C904 0.47 S[1] 2.6
2.6
CE R915 100
0
CLK R916 100 3.2
DATA R917 100 3
C911 100p
C910 100p
C909 100p
Q901
RT1N140C-TP-1
0.1 LCD BACK LIGHT
DIMMER CONTROL
R911 5.2
1.5k
R998
0
EXCEPT AR MODEL
AR MODEL
0
R914
0 Q904
Q903
RT6N140C-TP-1
RT6N140C-TP-1 LED DRIVER
8.9
LED DRIVER
5.2
0
52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28
8 R971 11 R985
* *
180 820
(GT457UE) (GT457UE)
220 1.2k
(EXCEPT GT457UE) (GT50UMS)
2.2k
* 9 R974
(EXCEPT GT50UMS/GT457UE)
180
(GT457UE) * 12 R990,996
680 270
(GT50UMS) (GT457UE)
680
820
(EXCEPT GT50UMS/GT457UE) (GT50UMS)
1k
* 10 R983,984
(EXCEPT GT50UMS/GT457UE)
820
(GT457UE) * 13 R991
1.2k 270
(GT50UMS) (GT457UE)
1.2k
1.8k
(EXCEPT GT50UMS/GT457UE) (EXCEPT GT50UMS/GT457UE)
1.5k
(GT50UMS)
Ver. 1.1
13 14
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
2.6 S[21]
SEG4
49 SEG21 32
S[22]
2.6
SEG3
50 SEG22 31
2.6 S[23]
COM4
51 SEG23 30
2.6 S[24]
COM3
52 SEG24 29
2.6 S[25]
COM2
53 SEG25 28
2.6 S[26]
COM1
54 27
SEG26
IC901 S[27]
2.6
SEG2
55 SEG27 26
S[28]
2.6
VDD
56 IC901 SEG28 25
LC75829PWH-US-H 2.6 S[29]
VDD1
57 SEG29 24
LCD DRIVER,LED CONTROL
2.6 S[30]
VDD2
58 SEG30 23
2.6 S[31]
VSS
59 22
SEG31
2.6 S[32]
SEG52
60 SEG32 21
S[33]
2.6
INH
61 SEG33 20
S[34]
2.6
LCD_CE
62 SEG34 19
2.6 S[35]
LCD_CLK
63 1 SEG35 18
2.6 S[36]
LCD_DATA
64 SEG36 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
LCD901
LIQUID CRYSTAL DISPLAY PANEL