Block Diagram -Display Section - Sony CDX-CA900 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
3-5. BLOCK DIAGRAM — DISPLAY SECTION —
CN601
(BUS CONTROL IN)
DATA
8
6 3
5 2
4 1
7
BATT
BUS ON
BATT
SW
Q603
BATT
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
.
BUS INTERFACE SUB SYSTEM CONTROL
IC601
8 98 UNI SI
6
9 97
UNI SO
CLK
4 11 101 UNI SCK
38 BUS ON
BUS
1 12 34 BU IN
ON
BUF
2 RESET 13 6 7 81 RST
IC702
BATT(L)
3 10
CHECK
50 LINK OFF
BATT
CHECK(H)
Q602
85 XTAL
X701
18.432MHz
EXTAL
86
LCD DRIVER
IC901
CLK 119 64 SCK
LCD
CE 118 66 CEL
LCD901
DATA
120
DIMMER
106
DIMMER
CONTROL
Q901
x a o
y
i
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8
IC701
RST 63
SA CLK 1 SA CLK TUNER
B
SA IN SA OUT
112 SECTION
(Page 20)
AD ON
BU +5V CONTROL
Q701
AEP, UK, E MODEL
J651
(REMOTE IN)
KEY IN
MATRIX
BOOT 57
Q Q
3 7 6 3
DOOR SW/RX 62
LCD SO/TX 60
ILL ON 52
LCD
POWER
CONTL BATT
S102
Q702,703
(NOSE)
POWER
CONT BATT
Q705,706
u 1 6 3
.
21 21
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2 4
9 9 8
SYSTEM CONTROL
IC501 (3/3)
17 UNI SI
18 UNI SO
19
UNI CKO
SIRCS CONTROL
14
BUS ON IC903
6
77 BU IN
RESET
22 SYSRST
SIRCS 24 17 OUT 9
XIN XOUT
72
KEY ACK
3 4
80 AD ON
X910
4MHz
107
RC IN1
48 RC IN0
46 KEY IN0
57
BOOT
1 5 1 5 0 8 9 2 4
IC502
12 HSTX 86
FLS SI
RESET
13 RSTX 90 1
FLS SO
S101
RESET
NOSE DET
81
58 DOOR IND
m
c o
CDX-CA900/CA900X
Ver 1.1
2
9 9
IC902 LED900
7 16
9 8 2 9 9
3 BU +5V