Block Diagram -Display Section - Sony CDX-M770 Service Manual

CDX-M770
4-5. BLOCK DIAGRAM — DISPLAY SECTION —
2
CD
SECTION
(Page 36)
LCD60
POWER POWER
LCD 9V
CONT. CONTLROL
Q60,61 Q62
LCD DRIVER
IC61
CN902
ILL ON 9V LCD 9V
TX (SO)
RX (SI)
FL SW
SUB SYSTEM CONTROL
IC702
BUS SI 98 UNI SI SP-SI 61
SP CKI 63
UNI SO 97 UNI SO
BUS CLK 101 UNI SCK
BUS ON 38 BUS ON
BU CHECK 34 BU IN
BUF
S RST 6 7 81 RES
IC701
LINK OFF
LINK OFF 50
SIRCS
D70
IR
16 RECEIVE 7
IC62
D708 (REMOTE IN)
IR
16 RECEIVE 7
IC901
LCD DRIVER
85 XTAL
IC60
86 EXTAL BOOT 57
X701
LED SW2 47
18.43MHz
LED SW1 46
SP LAT
97 99 100 98 86 85 33
RX 62
LCD SO/TX 60
66 CEO
ILL ON
69 INH 52
64 CKO
LCD
70 CEI
71 CE2
OPEN/CLOSE
POWER
97 99 100 98 LCD9V
9V CONT.
Q109,112
97 98 99 100
LCD1 LCD DRIVER
D903
IC1
(DISC IN)
84 86
POWER POWER
LCD 9V
CONT. CONTLROL
Q1,2 Q3
SYSTEM CONTROL
AD ON
IC501 (3/3)
BU 5V CONT.
SO 26
Q807
SI 25
80
AD ON CKO 27
RST 36
DSP
LAT 35
READY 78
79 KEY ACK
PLL 28
DSPMST 29
72 RC IN1
J651
48 RC IN0
KEY IN 46 KEY IN0
MATRIX
47 KEY IN1
106 BOOT
116
LED SW2
SECTION
115
LED SW1
(Page
4 SP LATCH
12 FLS SI
13
FLS SO
82 FLSWPWON
REG
DDC ON 57
BATT 1 3 MT +B
IC652
2 CDON IN 76
M601
DSP ON 108
MOTOR
MOTOR
3
11 98 MOT+
DRIVE
14
MOT–
IC651 6 97
16
12
VREF
CONT. MT +B
Q651,652
FPCRTL BEEP 15
40
I
I
3 7 DET I DET
DET 96
Q650
IC650
SW1001
(OPEN/CLOSE) OPEN SW
100
99 CLOSE SW
LED
DRIVE
S1002
Q901,902
101 CENTER SW 37
(CENTER) SHIFT
69 FLASH W
LSW60
OPEN
61 OPEN KEY
(DISPLAY BOARD)
NOSE SW
62
S1
DETACH SW
64
DETACH
38 38
DSP
IC901
63 DAILO 27
RVDT
61 TRDT
59 SCK DA3RO 54
57 SYS RST
62 DA1RO 29
XLAT
60
REDY
DA3LO 52
77 MST/SLV
LATCH
DA2RO 43
IC904
ADL IN 35
DATA 9 8 71 DATA
ADR IN 46
76
LRCK 2 3 LRCK
1
BCK 5 6 75 BCK MCK0 40
CD
MCK1 41
1
16M AND
4
58
36) 2 BFOT
(384FS) IC902
CD ON
MD ON
POWER
CONT.
CD 6V
Q117,118
REG
9V CD 5V
Q119
BATT
POWER
CD 6V CONT. DSP 5V
Q120,121
3.3V
1 REG 3 D 3.3V
IC909
3.3V
BEEP
REG A 3.3V
DRIVE
BZ501
Q901
Q502
POWER
CONT. BATT
DC/DC CONV.
Q101,102
CONTROL
IC101
9
VCC
ON/OFF
CD 6V
OUT1 7 DRIVE
Q103
INA1 3
SHIFT
2 RT
ON/OFF
Q105
9V
OUT2 10 DRIVE
Q106
INA2 14
IC906
5 7
FL
R-CH(FR)
IC906
3
3 1
RL
TUNER
R-CH(RR)
SECTION
IC905
(Page 37)
3 1
SR
ADL
R-CH
X901
16.9MHz
VOLTAGE CHECK
IC102
REG
2 1
Q114,115
REG
BU 5V
Q113,116
• Signal path
: FM
: CD
• R-ch : same as L-ch.