17 17
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