Schematic Diagram - Key Board - Sony DSX-MS60 Service Manual

DSX-MS60

4-14. SCHEMATIC DIAGRAM - KEY Board -

1 2 3 4
KEY BOARD
A
B
C
CL-197HB1E-D-T
D
CL-197HB1E-D-T
E
CN901
16P
+B_LCDLED 1
LED_GND 2
R973 470
LCD_CE 3
KEY_1 4
KEY_0 5
F
AUX_R 6
B
AUX_GND 7
AUX_L 8
SUB
BOARD
RE_0 9
CN991
RE_1 10
(Page 20)
R974 470
LCD_DATA 11
SIRCS 12
R975 470
LCD_CLK 13
G
DOOR_SW 14
KEY_GND 15
LCD_GND 16
H
D912 D911 D910
I
FB901
J901
AUX
FB902
FB903
J
K
DSX-MS60
5 6 7 8
R900 R901
330 390
R902 R903
470 390
R915 R917 R919
470 470 390
R916 R918 R920
470 470 330
LED915 LED917 LED919
CL-197HB1E-D-T CL-197HB1E-D-T
(LOWER) (UPPER) (RIGHT)
R904 R905 R906
390 390 390
LED916 LED918 LED920
CL-197HB1E-D-T CL-197HB1E-D-T
(LOWER) (UPPER) (RIGHT)
LED915-920
R907 R908
(RING ILLUMINATION)
180 150
C904
1000p
R909 R910
330 390
Q991
RT1N140C-TP-1
0 LED DRIVE
5.7
C991
1000p
CL-197HB1E-D-T
R998
4.7k
R997
4.7k RE901
ROTARY ENCODER
PUSH ENTER/
SELECT
(VOLUME)
9 10 11
LED991
NESW505CT-AST
(LCD BACK LIGHT)
R951
820
S951
LED992
LED923, S951
LED923 NESW505CT-AST
CL-197HB1E-D-T
SOURCE (LCD BACK LIGHT)
OFF
R983 R991
100 150
R952
5 3 1
1k R984 R992
100 120
S952
+
R985 R993
6 4 2
100 100 R986
220
R953
S953 1k
LED924, S953
LED924
CL-197HB1E-D-T
PAUSE
R987 C986
1k 0.1
R954
S954 1.2k
LED925, S954
LED925
CL-197HB1E-D-T
R982
1.5M
5 3 1
S955
C985 C984
0.1 0.47
MODE
6 4 2
R959
5 3 1
820
S956
SCRL
DSPL
6 4 2
R960
5 3 1
1k
S957
CAT
6 4 2
R961
5 3 1
1k
S958
-
6 4 2
S959
R962
5 3 1
1.2k
LED926, S959
Q992
RT1N140C-TP-1
ZAP/ SHUF
0 LED DRIVE
6 4 2
5.7
R994
LED926 1.8k
5
3
1
2
4
22 22
12 13 14 15
IC982
REMOTE CONTROL 60 59 58 57 56 55 54 53 52
RECEIVER
IC982
RS-470
4.8 S61 2.4
VCC GND1 61 S63
1 3
4.8 S62 2.4
OUT GND2 62 S64
2 4
S63 2.4
63 S65
S64 2.4
64 S66
COM1 2.4
R988
100 65 COM1
COM2 2.4
66 COM2
COM3 2.4
67 COM3
COM4 2.4
68 COM4 IC981
S65 2.4
R981
69 S67
150
5.7 LIQUID CRYSTAL DISPLAY DRIVER
70 VDD
3.3
LC75879PTH-US-H
71 VDD1
1.6
72 VDD2
73 VSS
S66 2.4
74 S68/OSCI
5.3
75 INH
0
C983 C982 C981
76 CE
0.022 0.1 0.1
0
77 CL
3.3
78 DI
5.7
79 P1/S1
5.7
80 P2/S2
1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
LCD901
C992
LIQUID CRYSTAL DISPLAY
1000p
74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
Note: Refer to the servicing notes "NOTE FOR REPLACEMENT OF
THE AUX JACK (J901)" (page 3), if replacing the Ref. No. J901.
16 17 18
51 50 49 48 47 46 45 44 43 42 41
2.4 S40
S42 40
2.4 S39
S41 39
2.4 S38
S40 38
2.4 S37
S39 37
2.4 S36
S38 36
2.4 S35
S37 35
2.4 S34
S36 34
2.4 S33
S35 33
2.4 S32
S34 32
2.4 S31
S33 31
IC981
2.4 S30
S32 30
2.4 S29
S31 29
2.4 S28
S30 28
2.4 S27
S29 27
2.4 S26
S28 26
2.4 S25
S27 25
2.4 S24
S26 24
2.4 S23
S25 23
2.4 S22
S24 22
2.4 S21
S23 21
10 11 12 13 14 15 16 17 18 19 20
37
50 49 48 47 46 45 44 43 42 41 40 39 38