MDX-M690
24
24
6-4.
BLOCK DIAGRAM – DISPLAY/BUS CONTROL/POWER SUPPLY Section –
LIQUID CRYSTAL
DISPLAY
FOR DISPLAY
PANEL
LCD60
LIQUID CRYSTAL
DISPLAY
(FOR KEY PANEL)
LCD1
1
112
60
64
66
70
71
97
98
101
38
34
50
46
115
6
69
100
99
98
97
96
1
–
69
115
–
165, 81
–
98
SEG1
–
SEG69
SEG1
–
SEG69
COM1
–
COM8
83
–
76
COM1
–
COM8
99
–
106, 107
–
114
173
–
166
SEG1
–
SEG71
COM1
–
COM8
38
–
59, 61
–
74,
76, 77, 7
–
37
60, 75
7
–
1
LCD
DRIVER
IC61
OSC
C70, R85
100
99
98
97
100
99
98
97
86
96
1
–
71
10
–
80
SEG1
–
SEG71
SEG1
–
SEG71
1, 9
–
2
SEG1
–
SEG8
83
–
76
COM1
–
COM8
LCD
DRIVER
IC60
LCD
DRIVER
IC1
OSC
C64, R76
96
OSC
C5, R41
DIMMER
CONTROL
Q62
LED60,
LED62 – 69
LED DRIVE
Q60, 61
LCD B+
LSW60
(OPEN)
85
86
DIMMER
CONTROL
Q3
LED1, 2
LED DRIVE
Q1, 2
LCD B+
LED3 – LED18,
LSW1, 2, 5 – 13
LSW15, 18, 20, 22
84
1
–
71
SEG1
–
SEG71
83
–
76
COM1
–
COM8
2
13
1
12
3
10
6
9
RESET
SWITCH
BATTERY
SWITCH
BUS ON
SWITCH
4
11
2
5
4
6
7
RESET
DATA
CLK
BUS ON
BATT
BACK-UP B+
BUS CONTROL IN
CN601
BUS ON
SWITCH
Q602
BATTERY
DETECT
Q603
TH601
SONY BUS INTERFACE
IC601
D606
D603
D607
DIMMER
LED_SW1
DIMMER
LED_SW2
LCD-DATA
LCD-CLK
LCD-CE0
LCD-INH
OSC
LCD-DATA
LCD-CLK
LCD-CE0
LCD-INH
LCD-DATA
LCD-CLK
LCD-CE0
LCD-INH
DATA
CLK
CE1
INH
DATA
CLK
CE0
INH
DATA
CLK
CE2
INH
OSC
OSC
RST
BUS
ON
BATT
DATA
CLK
8
RESET
BUS ON
BU_IN
DATA IN
CLK IN
DATA OUT
BUS-ON
BU-IN
LINKOFF
UNISO
UNICKO
UNISI
DATA
CLK
CE0
CE1
CE2
UNISO
UNISI
UNICKO
BUS-ON
BUIN
LINKOFF
18
UNISO
17
UNISI
19
UNICKO
14
BUS-ON
77
INH
D609
(2/2)
D609
(1/2)
D612
47
116
57
106
50
UNISO
49
UNISI
48
UNICKO
61
BUS-ON
BU-IN
D608
60
30
SYSTEM CONTROLLER
IC501 (3/3)
58
57
59
21
MD MECHANISM
CONTROLLER
IC501 (2/2)
LCD_SO/TX
LCD_CKO
LCD_CE0
LCD_CE1
LCD_CE2
UNI-SO
UNI-SI
UNI-SCK
BUS-ON
BU-IN
LINK
OFF
SYSRST
LCD_INH
UNISO
UNISI
UNICLK
BUS-ON
BUIN
UNISO
UNISI
UNICKIO
BUS-ON
BU-IN
RESET
LED_SW1
LED_SW2
BOOT
LED_SW2
BOOT
CD_EJECT_OK
CD_OPEN_REQ
EJT_KEY
LOCK
52
32
81
82
83
114
90
86
85
10
37
57
10
65
86
85
X701
18.432MHz
BUFFER
IC701
D511
D510
D507
D104
D506
RESET
SW901
S60
(RESET)
+5V
REGULATOR
Q201
B+ SWITCH
Q109, 112
B+ SWITCH
Q110, 111
B+ SWITCH
Q107, 108
REGULATOR
CONTROL
Q117, 118
RESET SIGNAL
GENERATOR
IC502
+6V
REGULATOR
Q119
B+ SWITCH
Q401 – 1, 402
B+ SWITCH
Q401 – 2, 404
D405
D406
CN101
(2/2)
BACK-UP B+
TH101
TH102
REGULATOR
CONTROL
IC102, Q116
B+ SWITCH
Q114, 115
REGULATOR
Q113
SWITCHING
REGULATOR
Q106
SWITCHING
REGULATOR
Q103
+3.3V
REGULATOR
IC401, Q401
B+ SWITCH
Q451, 452
B+ SWITCH
Q402, 403
OUTPUT
CIRCUIT
PWM
COMPARATOR
PWM
COMPARATOR
OUTPUT
CIRCUIT
ERROR
AMP
ERROR
AMP
OSC
14
3
2
10
7
B+ SWITCH
Q101, 102
9
F101
AMP-R
ANT-R
+B
OSC
SWITCH
Q105
POWER CONTROL
IC101
5V
D451
D106
D105
D
(Page 23)
SA-OUT,
SA-CLK
B/U +5V
LOAD +6V
TU +8.5V
TU +5V
AUDIO +8.5V
LCD B+
B+
DISPLAY CONTROLLER
IC702
SA-CLK
SA-IN
SA-CLK
SA-OUT
ILLON
SA_ENIN
SYSRES
FLS_PWON
P-ON
TUNER ON
RSTX
HSTX
RAM-BU
PWM
SHIFT
DDC-ON
MDMON
MD-ON
EXTAL
XTAL
INA2
INA1
RT
OUT2
VCC
OUT1
5
6
16
+3.3V
VCC
Summary of Contents for MDX-M690
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