Block Diagram -Display Section - Sony CDX-M730 Service Manual

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