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CDX-CA400/CA530X/CA580X
X802
32.768kHz
37
38
40
41
29
30
43
SYSTEM CONTROL
IC801 (3/3)
LCD DRIVE
IC551
KEY 0
DATA
CLK
CE
ILL POWER
CONTROL
Q914
ILL B+
SWITCH
Q915
ILL B+
KEY 1
KEY 1
KEY 0
KEY MATRIX
S501-519
KEY ACK
XT2
XT1
X2
35
LCD INH
48
ILL ON
44
SIRCS
BATT
X1
X801
8.38MHz
PL551,552
D561-587
REMOTE CONTROL
RECEIVER
IC552
LCD BACK
LIGHT
62
61
60
COM1
COM2
LCD
LCD501
()
KEY
ILLUMINATION
()
64
•
63
1
|
23
•
25
|
53
•
SEG1
SEG52
|
DATA
CLK
CE
INH
LCD DO
LCD CLK
LCD CE
TUNER
SECTION
C
57
VCC
3
OUT
1
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
MAIN board
tuner unit
(TU601)
DISPLAY board
SERVO board
IN SELF SW board
SPEAKER board
SL SW board
3-5. CIRCUIT BOARDS LOCATION
(Page 16)
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
2
3
IC1
ts
(PACK)
IC1
uj
(RFO)
1.2Vp-p
4
Approx. 100mVp-p
IC1
oa
(FEO)
0V
5
Approx. 100mVp-p
IC1
od
(TEO)
2Vp-p
16.9344MHz
IC1
wd
(XTAL)
5Vp-p
0V
3.2msec
— Main Board —
1
2
8.38MHz
IC801
r;
(X2)
32.768kHz
IC801
ej
(XT2)
5Vp-p
3Vp-p