Schematic Diagram - Key Board - Sony CDX-GT57UP Service Manual

4-11. SCHEMATIC DIAGRAM - KEY Board -

1 2
KEY BOARD
A
FB902
FB901
J901
AUX
R905
0 FB903
CN901
20P
USB_GND 1
USB_VBUS 2
B
D- 3
D+ 4
GND 5
KEY_GND 6
AUX_L 7
AUX_R 8
AUX_GND 9
MAIN
BOARD A RE_0 10
(2/4)
RE_1 11
CN102
KEY_1 12
(Page 21)
C
KEY_0 13
SIRCS 14
LCD_DATA 15
LCD_CE 16
LCD_CLK 17
ILL(FP+B) 18
PANEL_SW 19
GND 20
D
E
C916
1000p
CN902
4P
VBUS-USB
D+
D-
GND-USB
F
G
H
I
CDX-GT57UP
• See page 26 for IC Block Diagrams.
3 4 5
R998
1k
LED934
SML-D12V8WT86TN
SEEK-
R942
0
LED932
SML-D12V8WT86TN
R944
820
R940
820
LED936
SML-D12V8WT86TN
SEEK+
DATA
CE
CLK
R950
1k
R946
1k
R948 R952
1.2k 1.2k
C915
LED938,940,942,944
1000p
(ILLUMINATION)
LED950
SML-D12V8WT86TN
R970
OFF
1k
SOURCE
R966
1k
SML-D12V8WT86TN
R968
1.2k
R972
LED952
1k
SML-D12V8WT86TN
MODE
R974
1.2k
R919
0
R918
0
6 7 8
3 1
5
LSW905
SCRL
DSPL
S901
6 4 2
R920
820
R980
150 R991
820
R982
150
5 3 1
S902
R921
1k LSW906
OFF
SOURCE
PAUSE
6
6 2
4
R992
1k
R961
1.5k
S903
R922
SEEK+
3 1
1k 5
LSW907
ZAP
5
6 4 2
S904
R923
1.2k
R993
1k
LED946
SML-D12V8WT86TN
3 1
S905 5
R924
LSW908
1.5k
R954 R994
SHUF
SEEK-
1k 1.2k
4
6 4 2
S906
R925
1.8k
5 3 1
R956
1k LSW909
REP
3
6 2
4
R958
1.2k
S907 R926
R995
2.2k R984
MODE 1.5k
150
3 1
5
LSW910
ALBUM
2
6 4 2
LED954
R996
R986
1.8k
150
5 3 1
R927
0 LSW911
ALBUM
1
6 4 2
RE901
ROTARY ENCODER
R997
R988
PUSH ENTER/
2.2k
220
SELECT
(VOLUME)
LSW912
1
5 3 1
5 CAT
PTY
2
6 4 2
4
3
R990
220
R999
0
25 25
9 10
R901
IC902
150
PNJ4813M01S0
R902 R903
150 100
LED901
S[4] 2.6
NESW505DT-A0-UV 49 SEG4
1 3 2
S[3] 2.6
(LCD BACK LIGHT) 50
SEG3
COM[4] 2.6
51 COM4
COM[3]
2.6
52
C906 IC902 COM3
COM[2] 2.6
0.1
53
COM2
REMOTE CONTROL COM[1] 2.6
54 COM1
R908 SIGNAL RECEIVER
S[2] 2.6
120 R976
55
SEG2
0
5.2
56 VDD
R909 C902 0.1
3.4
57
120 C903 VDD1
C901 0.1 1.7
0.1
58
VDD2
R910 59 VSS
R904
S[1] 2.6
120
1M
60
SEG52
4.8
61 INH
Q905
CE R915 470
0.1
RT1N140C-TP-1
C904 62
LCD_CE
DIMMER 0.47 CLK R916 3.3
0.1 470
63
LCD_CLK
SWITCH
DATA 0.2
5.1 64 LCD_DATA
R917
470
Q901 DIMMER
0.1
RT1N140C-TP-1
LCD
IC B/D
BACK LIGHT
0.1
DRIVE
5.1
Q903
RT6N140C-TP-1
LED DRIVE
0.1
5.1
Note: Refer to the servicing notes "NOTE FOR REPLACEMENT OF
THE USB CONNECTOR (CN902) AND THE AUX JACK (J901)"
(See page 4), if replacing the Ref. No. CN902 and the Ref. No. J901.
CDX-GT57UP
11 12 13
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
2.6 S[21]
SEG21 32
2.6 S[22]
31
SEG22
2.6 S[23]
SEG23 30
S[24]
2.6
29
SEG24
2.6 S[25]
28
SEG25
2.6 S[26]
SEG26 27
2.6 S[27]
IC901
26
SEG27
2.6 S[28]
IC901
SEG28 25
PT6587-LQ S[29]
2.6
24
SEG29
LCD CONTROL
2.6 S[30]
23
SEG30
2.6 S[31]
SEG31 22
2.6 S[32]
21
SEG32
2.6 S[33]
SEG33 20
S[34]
2.6
19
SEG34
2.6 S[35]
18
SEG35
2.6 S[36]
SEG36 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
COM[1]
LCD901
COM[2]
LIQUID
COM[3]
CRYSTAL
DISPLAY COM[4]
PANEL
S[48]
S[47]
S[46]
S[45]
S[44]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
S[36]
S[35]
S[34]
S[33]
S[32]
S[31]
S[30]
S[29]
S[28]
S[27]
S[26]
S[25]
S[24]
S[23]
S[22]
S[21]
S[20]
S[19]
S[18]
S[17]
S[16]
S[15]
S[14]
S[13]
S[12]
S[11]
S[10]
S[9]
S[8]
S[7]
S[6]
S[5]
S[4]
S[3]
S[2]
S[1]