21
21
CDX-L450V
4-4. BLOCK DIAGRAM — DISPLAY SECTION —
4-5. CIRCUIT BOARDS LOCATION
KEY MATRIX
S501-511,
S512-521
KEY
ACTIVE
Q916
IR
RECEIVER
IC552
X802
32.768kHz
37
38
40
41
29
18
20
19
30
43
47
44
SYSTEM CONTROL
IC801 (3/3)
LCD DRIVE
IC551
KEY 0
DATA
CLK
CE
LCD DO
LCD CLK
LCD CE
ILL POWER
CONTROLLER
Q914
INITIAL
RESET
D552
SWITCH
Q915
ILL + B
KEY 1
KEY 1
KEY 0
KEY ACK
AD ON
SIRCS
XT2
XT1
X2
48
ILL ON
BATT
X1
X801
8.38MHz
LED501-504
D561-581
LCD BACK
LIGHT
62
61
60
COM1
COM2
LCD
LCD501
D914
(
)
KEY
ILLUMINATION
(
)
64
•
63
1
|
23
•
25
|
53
•
SEG1
SEG52
|
DATA
CLK
CE
ILL+B
57
INH
MAIN board
tuner unit
(TU601)
DISPLAY board
SERVO board
IN SELF SW board
SPEAKER board
SL SW board
Содержание CDX-L450V - Fm/am Compact Disc Player
Страница 4: ...4 CDX L450V SECTION 1 GENERAL This section is extracted from instruction manual ...
Страница 5: ...5 CDX L450V ...
Страница 6: ...6 CDX L450V Connections ...
Страница 7: ...7 CDX L450V ...
Страница 8: ...8 CDX L450V ...
Страница 23: ...23 23 CDX L450V Page 25 Ref No Location IC1 D 2 IC2 G 2 Q1 B 3 Semiconductor Location ...
Страница 44: ...44 CDX L450V MEMO ...