Sony CDX-M700R, Service Manual

Page: 44 / 82

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