21
21
CDX-CA900/CA900X
3-5. BLOCK DIAGRAM — DISPLAY SECTION —
2
1
3
5
4
6
8
7
BUS ON
SW
Q603
BUS INTERFACE
IC601
BATT
CN601
(BUS CONTROL IN)
DATA
CLK
106
SA CLK
SA OUT
POWER
CONTL
Q702,703
KEY IN
MATRIX
AD ON
CONTROL
Q701
BU +5V
BU +5V
SUB SYSTEM CONTROL
IC701
POWER
CONT
Q705,706
SYSTEM CONTROL
IC501 (3/3)
J651
(REMOTE IN)
IC502
16
SIRCS CONTROL
IC903
3
4
BATT
S102
(NOSE)
S101
RESET
BATT
BATT
LCD DRIVER
IC901
BATT
CHECK(H)
Q602
LED900
IC902
BATT
DIMMER
CONTROL
Q901
X701
18.432MHz
X910
4MHz
AEP, UK, E MODEL
LCD
LCD901
(Page 20)
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9
9
2
8
9
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8
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299