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

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