
15
15
CDX-R3350/R3350C
CDX-R3350/R3350C
3-3. BLOCK DIAGRAM — DISPLAY SECTION —
S900-908,
910-922
KEY ACK
SWITCH
Q664
X502
32.768kHz
SYSTEM CONTROL
IC501 (3/3)
LCD DRIVER
IC901
PANEL+10V
REMOTE CONTROL
SIGNAL RECEIVER
IC971
RESET
IC602
X501
18.432MHz
LCD
LCD901
LED902-908,
910-922,961
LED932
LCD
BACK LIGHT
D501
J561
(REMOTE IN)
R3350C
R3350
3.3V
RESET
LED
ILLUMINATION
(
)
(
)
KEY MATRIX
LED
DRIVE
Q901
LED
DRIVE
Q902
LED
DRIVE
Q903
S702
RESET
S961
(DOOR)
3-4. CIRCUIT BOARDS LOCATION
MAIN board
KEY board
SENSOR board
SERVO board
tuner unit
(TU1)
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299