Block Diagram -Display Section - Sony CDX-M630 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
LCD903
LED POWER DIMMER
LCD +9V CONTROL CONTROL
Q907,908 Q909
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
SA IN SA OUT
112
97 UNI SO
101 UNI SCK
38 BUS ON
34 BU IN
BUF
6 7 81 RES
IC303
50 LINK OFF
LCD DRIVER
85 XTAL
IC2
BOOT
57
EXTAL LED SW2
86 47
X351
LED SW1 46
18.43MHz
117 119 120 118 104 RX 62
LCD SO/TX
60
66 CEO ILL ON 52
69 INH
LCD
64 CKO
CEI
70
POWER
+9V CONTROL LCD +9V
Q907,908
100
117 118 119
LCD902 LCD DRIVER
IC1
105 104 106
POWER DIMMER
LCD +9V CONTROL CONTROL
Q903,904 Q905
POWER DIMMER
LCD +9V CONTROL CONTROL
Q901,902 Q906
29
SYSTEM CONTROL
IC801 (3/3)
17 UNI SI
TUNER
B
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
(REMOTE IN)
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
(OPEN/CLOSE)
3 MOTOR
MOT+ CDM ON 111
11 98
DRIVE
14
IC307 6 97 MOT–
16
12
DDC ON 57
VREF
CONTROL MT B+
Q303,304
FPCTRL
40 BEEP
I I
3 DET 7 DET 96 I DET
IC308 Q302
SW900
(OPEN/CLOSE) 100 OPEN SW
D512
CLOSE SW
99
(DISC IN)
LED
DRIVE
Q501,502
SHIFT
69 FLASH W
LSW916
(OPEN)
61 OPEN KEY
PWM 65
29
IR
2 RECEIVE
IC501
IR
1 RECEIVE
IC903
IC902
RESET
1 2 BU +6V
S906 SW501
(RESET) RESET
Q912
BEEP
15
DRIVE BZ801
Q803
POWER
DC/DC CONTROL BATT
CONVERTER Q903,904
CONTROL
BATT
IC901
9
VCC
ON/OFF
OUT1 7 DRIVE CD +6V
Q906
3
INA1
SHIFT
37 2 RT
ON/OFF
Q909
OUT2 10 DRIVE +9V
Q911
INA2 14
CDX-M630