Sony MDX-M690 Service Manual ▷ View online
MDX-M690
37
37
R902
C907
R908
R909
C908
C906
D903
D902
R904
Q902
R903
R901
D901
C902
C905
C910
C903
C909
D906
FB903
R906
Q901
SW903
SW901
D907
R907
IC901
D908
100k
1
270k
120k
270p
0.01
CL-170UB-X
KDZ18V
270
KRC102S
2.2k
10k
1SS355
0.01
22
6.3V
4.7
1
0.1
MA8051-L
150
2SA1037K
MA8068-M
0
RRX9000-0601
RRX9000-0501
RX(SI)
TX(SO)
FLS_W
CLOSE
RESET
GND
DISC_IN
NC
LIN
GND
VSTAB
VCC
NC
NC
VPO
NC
VIN
GND
VIN
VAGC
INS
GND
VCO
NC
SIRCS
NC
1
14
LCD_9V
Q901,902
LED DRIVE
DISC INSERT
DETECT
(
)
RESET
REMOTE CONTROL
RECEIVER
DISC SLOT
ILLUMINATION
REMOTE CONTROL
RECEIVER
(
)
(
)
6-16. SCHEMATIC DIAGRAM – SUB MD Board –
•
See page 43 for IC Block Diagram.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
(Page 35)
MDX-M690
38
38
CN1
IC1
D7
R30
C1
C4
R43
C8
C5
R41
C7
C6
R42
R36
R40
R38
R39
C2 C3
R33
D8
R44
R45
CN2
S1
LSW
2
LED8
LSW6
LSW7
LSW9
LSW12
LSW11
LSW10
LSW15
LSW18
LED9
LSW
22
LSW20
LED1
LED2
LCD1
LIQUID CRYSTAL DISPLAY
S2
S4
LED10
LED11
LED12
LED13
LED14
LED15
LED16
LSW1
LSW5
S3
S7
S8
S9
S12
S11
S13
S10
C9
R55
Q1
Q2
Q3
R1
R2
R3
R4
R5
R6
R7
R8
R13
R54
R53
R32
R52
R31
R22
R21
R51
R29
R20
R49
R28
R19
R12
R11
R10
R9
R18
R27
R37
R48
R26
R17
R16
R25
R35
R47
R34
R24
R15
R23
R14
LED3
LED4
LED5
LED6
LED17
LED18
S14
S15
C10
LED7
K
A
LSW13
KEY BOARD
(CONDUCTOR SIDE)
1-681-389-
11
(11)
D
DISPLAY BOARD
CN60
C
MAIN BOARD
CN604
FRONT PANEL
DETACH DETECT
KEY BOARD
(COMPNENT SIDE)
1-681-389-
11
(11)
LSW1, 5, 13, 20, 22
A1
S1
A2
K1
S2
K2
K1
S2
K2
A1
S1
A2
A2
S1
A1
K2
S2
K1
K1
S2
K2
S2
K2
A1
S1
A2
K1
S2
K2
A1
S1
A2
K1
S2
K2
A1
S1
A2
K1
S2
K2
A1
S1
A2
LED3-18
A
K
A
K
K
A
A
K
K
A
K
A
A
K
A
K
K
A
A
K
K
A
K
A
A
K
A
K
LED3-6
(KEY ILLUMINATION)
SCRL
LED12, S8
DSPL, PTY
LED11, S9
+
–
CLOSE
LED7, S2
OFF
LED10, S7
MODE
LED8, S3
SOURCE
LCD
BACK LIGHT
AF
REP
1
SHUF
2
3
4
5
6
TA
SOUND
LED16, S13
ENTER
LED13, S10
Z
LED9, S4
K
A
A
K
DISC –
EQ7
LED18, S15
>
M
.
m
DSO
LED17, S14
DISC +
MENU
LED15, S12
LIST
LED14, S11
LCD
BACK LIGHT
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
A
6-17. PRINTED WIRING BOARD – KEY Board –
•
See page 26 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D7
H-8
D8
H-9
IC1
G-8
LED1
C-4
LED2
C-10
LED3
D-2
LED4
C-3
LED5
D-2
LED6
D-3
LED7
D-1
LED8
D-3
LED9
D-13
LED10
D-10
LED11
B-3
LED12
B-2
LED13
D-13
LED14
B-13
LED15
B-11
LED16
D-11
LED17
C-12
LED18
D-12
Q1
B-4
Q2
B-4
Q3
D-4
(Page 40)
(Page 30)
MDX-M690
39
39
R14
R45
R44
R43
R42
LSW1(1/2)
LSW5(1/2)
LSW7(1/2)
LSW8(1/2)
LSW12(1/2)
LSW11(1/2)
LSW10(1/2)
LSW13(1/2)
LSW20(1/2)
CN2
C10
LED9
LED14
LED13
LED16
LED15
R54
R53
R52
R49
R51
LED18
LED17
LSW18(2/2)
LSW20(2/2)
LSW13(2/2)
LSW12(2/2)
LSW22(2/2)
LSW10(2/2)
LSW11(2/2)
LCD1
LSW9(2/2)
LSW8(2/2)
LSW7(2/2)
R47
R48
LSW5(2/2)
LSW2(2/2)
R37
R55
LED12
LED11
LED8
LED10
LED7
LSW1(2/2)
R38
R39
R40
R36
C5
R41
D8
C3
C4
R33
R30
C2
C1
Q3
LED5
LED6
R35
R34
LED4
LED3
R32
Q1
R27
R28
R29
LED1
LED2
Q2
R31
R26
R25
R24
R23
LSW22(1/2)
R22
R21
R20
D7
R19
R18
R17
R16
R15
R1
R2
R3
LSW9(1/2)
R5
R4
R6
R7
R8
R9
R10
R11
R12
R13
LSW2(1/2)
CN1
IC1
C9
LSW15(2/2)
LSW6(2/2)
LSW6(1/2)
LSW15(1/2)
S15
S13
S14
S12
S11
S10
S7
S2
S8
S9
S3
S4
LSW18(1/2)
S1
C8
C7
C6
22k
2.2k
2.2k
2.2k
2.2k
15P
0.01
CL-170SR-C
CL-170SR-C
CL-170SR-C
CL-170SR-C
CL-170SR-C
220
220
220
220
220
CL-170SR-C
CL-170SR-C
220
220
220
220
CL-170SR-C
CL-170SR-C
CL-170SR-C
CL-170SR-C
CL-170SR-C
100
100
100
470
680p
47k
MA8075-H-TX
0.1
0.1
68
330
0.1
0.1
DTD113EK-T146
CL-170SR-C
CL-170SR-C
270
270
CL-170SR-C
CL-170SR-C
100
2SB1132-T101-QR
3.3k
10k
3.3k
NSSB440-WR
NSSB440-WR
KRC102S
220
680
680
680
1k
1.5k
1.5k
2.2k
MA8051-L-TX
3.3k
4.7k
6.8k
10k
15k
22k
15k
10k
4.7k
6.8k
3.3k
2.2k
1.5k
1.5k
1k
680
680
680
18P
LC75878W
0.1
0.047
0.047
0.047
DATA
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG46
SEG47
SEG48
SEG49
SEG50
S
E
G
5
1
S
E
G
5
2
S
E
G
5
3
S
E
G
5
4
S
E
G
5
5
S
E
G
5
6
S
E
G
5
7
S
E
G
5
8
S
E
G
5
9
S
EG
6
0
S
E
G
6
1
S
E
G
6
2
S
E
G
63
S
E
G
6
4
S
E
G
6
5
S
E
G
1
S
E
G
2
S
E
G
3
S
E
G
4
S
E
G
5
S
E
G
6
S
E
G
7
S
E
G
8
S
E
G
9
S
E
G
1
0
S
E
G
1
1
S
E
G
1
2
S
E
G
13
S
E
G
1
4
S
E
G
1
5
S
E
G
1
6
S
E
G
1
7
S
E
G
2
1
S
E
G
2
2
S
E
G
2
3
S
E
G
2
4
S
E
G
2
5
CE0
CE1
CLK
INH
DATA
CLK
INH
S
E
G
6
6
S
E
G
6
7
S
E
G
6
8
S
E
G
6
9
S
E
G
7
0
S
E
G
7
1
COM1
COM2
COM3
COM4
COM6
COM7
COM8
COM5
CE2
NOSE
OPEN
RESET
SIRCS
SIRCS
NOSE
CE0
CE1
OPEN
DATA
CLK
INH
RESET
CE2
CO
M
2
C
O
M
3
C
O
M
4
C
O
M
5
C
O
M
6
C
O
M
8
C
O
M
7
S
E
G
4
2
S
E
G
4
3
S
E
G
4
4
S
EG
4
5
S
EG
4
6
S
EG
4
7
S
E
G
4
8
S
EG
4
9
S
E
G
5
0
S
EG
5
1
S
EG
5
2
S
E
G
5
3
S
E
G
5
4
S
EG
5
5
S
E
G
5
6
S
E
G
5
7
S
E
G
5
8
S
E
G
5
9
S
EG
6
0
S
E
G
6
1
S
EG
6
2
S
E
G
6
3
S
EG
6
4
S
EG
6
5
S
E
G
6
6
S
EG
6
7
S
E
G
6
8
S
EG
6
9
S
EG
7
0
S
E
G
7
1
S
E
G
40
S
E
G
4
1
S
E
G
3
S
E
G
4
S
E
G
5
S
E
G
6
SE
G
7
SE
G
8
S
E
G
9
S
E
G
10
S
E
G
1
1
S
E
G
1
2
S
E
G
1
3
S
E
G
14
S
E
G
15
S
E
G
1
6
S
E
G
1
7
S
E
G
2
1
S
E
G
22
S
E
G
2
3
S
E
G
24
S
E
G
2
5
C
O
M
1
S
E
G
26
S
E
G
2
7
S
E
G
28
S
E
G
2
9
S
E
G
30
S
E
G
3
1
S
E
G
3
2
S
E
G
3
3
S
E
G
3
4
S
E
G
35
S
E
G
36
S
E
G
3
7
S
E
G
3
8
SE
G
3
9
C
O
M
1
S
E
G
2
S
E
G
1
GND
VSS
VLCD
VDD
LCD-DATA
LCD-CLK
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG51
SEG52
SEG53
SEG54
SEG55
SEG56
SEG57
SEG58
SEG59
SEG60
SEG61
SEG62
SEG63
SEG64
SEG65
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG46
SEG47
SEG48
SEG49
SEG50
LCD-INH
DIMMER
SIRCS
RESET
LCD_CLK
LCD_CE0
LCD_CE1
LCD_INH
LCD_DATA
LCD_9V
GND
KEY-IN0
KEY-IN1
SEG66
SEG67
SEG68
SEG69
SEG70
SEG71
SEG72
SEG73
SEG74
SEG75
COM8
COM7
COM6
COM5
COM4
COM3
COM2
COM1
OSC
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
LCD_9V
LED_SW1
LED_SW2
LCD_INH
NOSE_SW1
GND
LCD_CE0
LCD_CE1
RESET
SIRCS
LCD_9V
(NC)
NOSE_SW2
LCD_9V
OPEN
LCD_DATA
LCD_CLK
GND
OPEN
NOSE_SW1
LCD_CE2
DETACH_SW
LCD-CE2
(CHASSIS)
LIQUID CRYSTAL DISPLAY
LCD DRIVER
NC
Q1,2
LED DRIVE
DIMMER CONTROL
(LCD BACK LIGHT)
LED1,2
(KEY ILLUMINATION)
LED3-6
MODE
OFF
CLOSE
DSPL,PTY
SCRL
DSO
EQ7
MENU
SOUND
ENTER
LIST
DISC -
ENTER
LIST
DISC +
MENU
DSO
EQ7
SOUND
TA
6
5
4
3
2
SHUF
REP
1
AF
MODE
+
DSPL
PTY
SCRL
-
CLOSE
SOURCE
OFF
DISPLAY PANEL
DETACH DETECT
(
)
6-18. SCHEMATIC DIAGRAM – KEY Board –
•
See page 42 for Waveform.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
(Page 35)
(Page 41)
MDX-M690
40
40
IC60
IC62
IC61
Q60
R69
R64
R63
R70
R62
R60
R61
Q61
Q62
R65
R66
R67
R68
R71
R72
R73
R74
R76
R77
R78
R79
R80
R81
R84
R83
R82
R85
R86
R87
R88
R89
R90
R91
R92
R93
R96
R97
C60
C61
C62
C63
C70
C71
C72
C73
C74
C75
C78
C79
C80
C64
C65
C66
C67
D62
D63
D64
D65
D66
D61
D67
D68
R95
CN60
C81
R94
FB60
C83
C77
LED62
LED63
LED64
LED65
LED66
LED67
LED68
LED69
LSW60
S60
D70
C76
LCD60
(LIQUID CRYSTAL DISPLAY)
LED60
LED62-69
(LCD BACK LIGHT)
DISPLAY BOARD
(CONDUCTOR SIDE)
1-681-388-
11
(11)
D
KEY BOARD
CN2
LSW60
A1
S1
A2
K1
S2
K2
A2
S1
A1
S1
A1
K2
S2
K1
S2
K1
(OPEN)
(RESET)
SONY
DISPLAY BOARD
(COMPONENT SIDE)
1-681-388-
11
(11)
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
REMOTE CONTROL
RECEIVER
D70
6-19. PRINTED WIRING BOARD – DISPLAY Board –
•
See page 26 for Circuit Boards Location.
• Semiconductor Location
Ref. No.
Location
D61
G-11
D62
G-3
D63
G-3
D64
G-3
D65
G-3
D66
G-3
D67
F-11
D68
G-13
D70
A-14
IC60
F-10
IC61
F-12
IC62
G-14
LED60
B-2
LED62
B-3
LED63
B-13
LED64
B-3
LED65
B-13
LED66
C-3
LED67
C-13
LED68
C-3
LED69
C-13
Q60
G-3
Q61
G-2
Q62
F-3
Ref. No.
Location
(Page 38)
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