Read Sony CDX-M730 Service Manual online
29
29
CDX-M730
8
9
11
10
4
2
1
3
5
4
6
8
7
BUS ON
SW
Q804
BUS INTERFACE
IC802
BATT
CNP801
(BUS CONTROL IN)
6
13
2
RESET
12
1
BUS
ON
DATA
CLK
3
BATT(L)
CHECK
BUF
IC303
7
6
LCD DRIVER
IC60
100
99
97
98
100
99
97
98
86
X351
18.43MHz
INH
CLK
DATA
CEO
INH
CLK
DATA
CE1
DIMMER
85
LED SW1
85
86
XTAL
LINK OFF
RES
BU IN
BUS ON
UNI SCK
UNI SI
UNI SO
EXTAL
X803
4MHz
66 CEO
69 INH
64 CKO
70
52
CEI
71 CE2
LCD +9V
ILL ON
+9V
62
RX
46
LED SW1
47
LED SW2
57
BOOT
SA CLK
SA IN
SA CLK
SA OUT
AEP,UK,E MODEL
60
LCD SO/TX
POWER
CONTROL
Q907,908
VREF
CONTROL
Q303,304
I
DET
Q302
SHIFT
Q909
POWER
CONTROL
Q903,904
LED
DRIVE
Q501,502
MOTOR
B+ REG
B+ REG
IC306
MT B+
KEY IN
MATRIX
AD ON
CONTROL
Q921
BATT
BU +6V
BU +5V
LCD 9V
MT B+
FLASH W
CLOSE SW
RT
INA1
SHIFT
OPEN SW
I DET
FPCTRL
MOT–
MOT+
FLSWPWON
FLS SO
FLS SI
LED SW1
LED SW2
BOOT
BATT
CD +6V
BZ801
BATT
98
1
112
101
38
34
81
50
97
SUB SYSTEM CONTROL
IC301
TUNER
SECTION
B
LCD1
LCD60
LCD DRIVER
IC61
98
97
99
84
INH
CE2
CLK
DATA
LED SW2
86
DIMMER
CN502
POWER
CONTROL
Q1,2
LCD +9V
DIMMER
CONTROL
Q3
ILL ON 9V
TX (SO)
RX (SI)
FL SW
1
3
I
DET
IC308
3
7
2
MOTOR
DRIVE
IC307
3
14
16
11
6
12
SW1001
(OPEN/CLOSE)
40
96
99
37
PWM 65
BEEP
DRIVE
Q803
BEEP
ON/OFF
DRIVE
Q906
15
CDM ON 111
DDC ON 57
+9V
ON/OFF
DRIVE
Q911
1
2
69
CENTER SW
100
101
82
KEY IN1
47
KEY IN0
46
RC IN1
79
KEY ACK
80 AD ON
72
SYSRST
6
BU IN
77
BUS ON
14
UNI CKO
19
UNI SO
18
UNI SI
17
RC IN0
48
12
115
116
106
13
98
97
2
3
OUT1 7
9
OUT2 10
INA2 14
VCC
DC/DC
CONVERTER
CONTROL
IC901
SIRCS 24
RSTX 90
HSTX 86
SYSTEM CONTROL
IC801 (3/3)
CNP803
(REMOTE IN)
M601
(OPEN/CLOSE)
100
D70
IC803
D513
IC902
RESET
IR
RECEIVE
IC62
7
IR
RECEIVE
IC502
7
16
16
SIRCS
INTERFACE
9
17
3
4
SW1002
(CENTER)
OPEN KEY
61
LSW60(1/2)
OPEN
(DISPLAY BOARD)
SW501
RESET
DETACH SW
64
S1
(DETACH)
NOSE SW
62
D512
(DISC IN)
LCD DRIVER
IC1
LED POWER
CONTROL
Q60,61
LCD +9V
DIMMER
CONTROL
Q62
BATT
BATT
LCD
Q912
Q806
BATT
CHECK(H)
Q920
LED62-69
LCD
BACKLIGHT
LED1,2
LCD
BACKLIGHT
TEST
TERMINAL
LSW60(2/2)
OPEN
S60
(RESET)
4-4. BLOCK DIAGRAM — DISPLAY SECTION —
(Page 28)
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