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Block Diagram -display Section - Sony CDX-M700R Service Manual

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CDX-M700R/M750
4-4. BLOCK DIAGRAM — DISPLAY SECTION —
BUS SI
UNI SO
BUS CLK
BUS ON
2
BU CHECK
TO CD
SECTION
EMPH
(Page 42)
S RST
LINK OFF
SIRCS
RECEIVE
IC501
RECEIVE
IC903
LCD902
LCD DRIVER
IC901
97
99
100
98
LCD901
97
99
100
98
SW2
LCD DRIVER
IC902
85
POWER
LCD 9V
CONT.
Q901,902
CN502
ILL ON 9V
LCD 9V
TX (SO)
RX (SI)
FL SW
04
DISPLAY CONTROL
IC301
98
UNI SI
SB-SI
61
DSP CLK
63
97
UNI SO
UNI SCK
101
38
BUS ON
49
BU IN
BU 5V
82
NMI
BUF
6
7
81
RES
IC303
LINK OFF
50
BU 5V
IR
2
CNP803
(REMOTE IN)
IR
1
85
XTAL
86
EXTAL
X351
18.43MHz
BOOT
57
86
LED SW2
47
LED SW1
46
SP LAT
33
66 CEO
RX
62
69 INH
TX/FL-SO
60
64 CLK
70
CEI
ILL ON
52
BATT
M601
OPEN/CLOSE
POWER
MOTOR
LCD9V
MD +B
CONT.
Q907,908
84
Q906
Q905
POWER
LCD9V
CONT.
3
DET
Q903,904
IC308
LED
DRIVE
Q501,502
SYSTEM CONTROL
IC801 (3/3)
AD ON
AD ON
CONT.
SO 26
Q807
SI 25
CKO 27
RST
36
DSP
LAT 35
KEY
READY 78
ACTIVE
79
KEY ACK
Q921
DSPMST
29
72
RC IN1
48
RC IN0
KEY IN
46
KEY IN0
MATRIX
47
KEY IN1
SW504
1
Z
TO CD
SECTION
106
BOOT
(Page
116
LED SW2
115
42)
LED SW1
4
SP LATCH
12
FLS SI
13
FLS SO
82
FLSWPWON
REG
CDON IN
76
1
3
MT +B
IC306
DSP ON 108
2
MOTOR
3
11
98
MOT+
MD2 89
DRIVE
14
MOT–
IC307
6
97
MD1
88
16
12
VREF
BEEP
CONT.
MT +B
BEEP
15
DRIVE
Q303,304
Q803
FPCRTL
40
I
I
7
DET
96
I DET
Q302
OPEN SW
100
OPEN
SW900
(OPEN/CLOSE)
99
CLOSE SW
CLOSE
SHIFT
SHIFT
37
Q909
69
FLASH W
44
44
DSP
IC302
63
DAILO 27
RVDT
61
TRDT
59
SCK
DA3RO 54
R-CH(FR)
57
DSP RST
62
DA1RO 29
XLAT
60
REDY
R-CH(RR)
DA3LO 52
77
MST/SLV
LATCH
DA2RO 43
IC304
ADL IN 35
DATA
9
8
71
DATA
ADR IN 46
R-CH
LRCK
76
2
3
LRCK
BCK
5
6
75
BCK
MCK0 40
X302
16MHz
MCK1 41
AND
16M
4
2
58
MCKO
IC352
1
CD ON
MD ON
POWER
REG
CONT.
BATT
1
IC905
Q913, 915
REG
BATT
CD 5V
Q914
POWER
MD 5V
DSP 5V
CONT.
Q912, 916
3.3V
3.3V
1
REG
2
BU 5V
4
REG
6
D 3.3V
IC904
IC305
3.3V
REG
A 3.3V
• Signal path
Q301
BZ801
POWER
CONT.
BATT
DC/DC CONV.
Q903, 904
CONTROL
IC901
9
VCC
ON/OFF
MD 5V
OUT1 7
DRIVE
Q906
INA1
3
2
RT
ON/OFF
MD +B
OUT2 10
DRIVE
Q911
INA2 14
IC405
FL
IC405
3
RL
TO TUNER
SECTION
IC406
(Page 43)
SR
ADL
2
BU 5V
: FM
: CD

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