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CDC-R304/X104EE/X204/X304/X444
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
SYSTEM CONTROL
IC501 (3/3)
ROTARY
ENCODER
98
RE
S911 (1/2)
LCD SO
LCD CKO
KEY MATRIX
LCD CE
97
KEYIN2
S901-903
27
KEYACK
KEY MATRIX
S904-910
94 KEYIN1
S911 (2/2)
KEY MATRIX
95 KEYIN0
S912-920
BACK UP
+3.3V
R304/X204/
X304/X444
75 COL SEL
90 COL SW
X104EE/X304:
US,CND MODEL
LCD CTL
RESET
IC602
BACK UP+3.3V
2 IN
OUT
1
19
RESET
S702
RESET
SIRCS
15
XIN
OSCIN
X502
32.768kHz
16
XOUT
OSCOUT
LCD DRIVER
IC901
LCD901
SEG3
3
|
|
LIQUID
76
64
DI
SEG50
50
CRYSTAL
78
63
CLK
CL
DISPLAY
COM1
54
PANEL
77
62
CE
CE
|
|
COM4
51
DIMMER
DIMMER
1
DIMMER
CONTROL
Q901
LED921,922
LCD
(
)
BACK LIGHT
PANEL+10V
LED901-920
54
X444
REMOTE CONTROL
PANEL+3.3V
SIGNAL RECEIVER
SWITCH
BUCK UP+3.3V
IC971
Q503
1
VCC
2 OUT
IR
83
13
X501
27MHz
12
3-5. CIRCUIT BOARDS LOCATION
SENSOR board
KEY board
20
20
SERVO board
tuner unit
(TU1)
MAIN board
AUX board
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