Block Diagram -Display Section - Sony MDX-C800REC Service Manual

MDX-C800REC
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
5
TUNER
S/P SIG
SECTION
(Page 31)
LED951-956
DIMMER
CONT
Q950,952
LSW900-911,
924-930
COLOR
SEL
Q942,943
LED921-923
LED
DRIVE
Q944,945
CN802
2
TXD
1
TEST
FXD
TERMINAL
3
BOOT
4
LCD10V LCD10V
04
SPECTRUM ANALYZER DISPLAY CONTROL
IC652 IC650
8 A OUT 17 105 AN0 LINK OFF 50
A IN
PA0
SEL 14 24 SO 97
A 10 25 PA1 SCK 101
B 11 26 PA2 SI 98
PA3
C 12 27 BUS ON 38
49
BU IN
NMI 82
86 EXTAL
X650 RES 81
18.432MHz
XTAL
85
LCD DRIVE
IC970
DIMMER
87 ILL ON
52
BOOT 57
CEO
CEO 98 66
CL 99 64 CLK RX/
62
DOOR SW
100 70 CEI
84 GREEN DI
AAMBER
85
TX/
60
LCD DATA
LOQUID CRYSTAL
DISPLAY
LCD900
LCD DRIVE
IC980
KEY
CEI 98
BOARD
GREEN CL 99
85
86 RED DI 100
ACT+B
3
TXD
MD SECTION
RXD
(Page 30)
BUF
IC651
REG
SYSTEM CONTROL
LCD10V
BATT
Q835,836
IC700(3/3)
90
9 FLS PON RSTX
81 DP BOOT HSTX 86
BU IN 77
DOOR SW/
12
RXD
6
SYS RST
13
TXD
BUS ON 7
72
RC IN1
J700
49 RC IN0
SI 20
(REMOTE IN)
SO 21
LSW900-911
921-930
CLK
22
KEY IN 46 KEY IN0
MATRIX
47 KEY IN1
35 AD ON
POWER KEY
76
CONT ACTIVE KEY AVK
Q702 Q702
BU5V
62 FLASH WHT
LED
DRIVE 102 PACK IND
Q833,834
SIRCS 24
LED800
101
S700 NOSE SW RAMBU 69
(NOSE SW)
ROTARY
64
RE IN0
ENCODER
66
RE IN1
RE900
32 32
BATT
CHECK BATT
Q781
RESET
IC701
S800
(RESET)
BUS INTERFACE
IC780
LOW
BATT
10 BATT 3
DET
13 2
CN780
12 1
8
Q780
6
8
5
4
9 6
7
(BUS CONTROL IN)
11
4
BUFFER
Q782,783
MD SECTION
IR
4
RECEIVE
IC960
Q784
(Page 30)
SRAM
RESET
IC702
BU5V
3
2
1