Block Diagram -Display Section - Sony CDX-C8850R Service Manual

CDX-C8850R
4-3. BLOCK DIAGRAM — DISPLAY SECTION —
Q275
LINK OFF
BUS ON
BUS CLK
CD
2
BUS SI
SECTION
BU IN
(Page 37)
RESET
BUS SO
RECEIVER
IC910
KEY MATRIX
LSW701,
LSW900-918
S900
CNJ272
(REMOTE IN)
04
BUS INTERFACE
IC271
RST RES
2 13
BATT
D276
BATT BUIN
3 10
CLK
CLK IN
7 4 11
DATA
IN
1 4 9
DATA
DATA
2 5 6
OUT
3 6 8
BUS ON
8 SWITCH 1 12
BUS ON BUS ON
Q272
CN271
(BUS CONTROL IN)
Q273
SYSTEM CONTROL
IC500 (2/2)
BU5V
RESET
2 1 90 SYS RST 6
RST
IC506
UNI SO 21
S703
RESET 7
BUS ON
UNI SI 20
UNI CK 22
BU IN 77
BOOT 64
DOOR SW 115
RX/FLS SI
12
IR
1 24 SIRCS TX/FLS SO 13
DSP CK 19
DSP SI 17
SPLAT 78
47 KEY IN0
48 KEY IN1
LCD ANG 41
107 DOOR IND 95
AD ON
KEY
ACTIVE 76 KEY ACK
Q523
60 RC IN1
49 RC IN0
109 NOSE SW
S500
(NOSE DET)
PWM 65
ROTARY
1 RE IN0
ENCODER
2 RE IN1
RE900
SHIFT 72
DISPLAY CONTROL
IC701
D275
OVER-VOLT
BATT
CHECK
Q271
LCD CLK 64
49 LCD DATA 60
BU IN
LCD CE1 70
101 UNI SCK LCD INH 66
98 UNI SI
38 BUS ON
Q274
97 UNI SO
RESET
IC702
6 3A 1Y 7 81
RES
2A
3
LCD CEO 69
85 XTAL
86 EXTAL
X701
18.432MHz
57 BOOT
54 DOOW SW
45
TIT IND
62 RX
60 TX/FLSSO
63 SP CK ILL ON 52
61 SP SI
33
DSPLAT
REG
PU5V CONTROL
Q421, 422
BU5V
VOLTAGE POWER
CHECK CONTROL
IC421 Q423, 424
MD5V
REG
10V BATT
Q884
PWM
POWER
S8V
BATT
CONTROL
Q881
IC871
SHIFT POWER
CD
4
DRIVER MD ON CONTROL
SECTION
Q890 Q887
(Page 37)
38 38
LCD DRIVER
IC920
7 CSK
8
DATA
9 CE1
11 0E
IC921
16 VLCD
LIQUID CRYSTAL
17 VLC1
DISPLAY PANEL
LCD900
18 VLC2
19 VLC3
LCD DRIVER
IC900
LCD10V
POWER
CONTROL
Q904
14 LCD INH
LCVD10V
17 LCD CLK P ON 3
18
LCD DATA
19 LCD CE0
AMBER/GREEN
GREEN 1 SELECT
Q900, 903
11 VLCD
10 VLC1
AMBER/GREEN
AMBER 2 SELECT
Q901, 902
9 VLC2
8
VLC3
LED
DIMMER 4 DRIVE
Q971, 972
7 VLC4
6
VLC5
LCD10V
POWER LCD CONTRAST POWER
10V 10V
CONTROL ADJUST CONTROL
Q253, 256 Q254, 255
Q251
BATT
POWER
BATT
CONTROL
Q252
POWER
REG REG
CONTROL BATT
Q885 Q882, 883
Q886 (1/2)
POWER
CONTROL
Q886 (2/2)
REG
VDD5V
Q888