Block Diagram -Display Section; Circuit Boards Location - Sony CDX-CA400 Product Guide Service Manual

3-4. BLOCK DIAGRAM — DISPLAY SECTION —
LCD DO
TUNER
C
LCD CLK
SECTION
LCD CE
(Page 16)
SYSTEM CONTROL
IC801 (3/3)
KEY 0
29 KEY 0
KEY MATRIX
S501-519
KEY 1
30 KEY 1
LCD INH
43 KEY ACK
SIRCS
ILL ON
37 XT2
X802
32.768kHz
XT1
38
LCD DRIVE
IC551
1
|
62 DATA DATA
SEG1 23
61 CLK CLK
|
•
60 CE CE
SEG52 25
|
LCD
53
LCD501
35 57 INH
COM1 64
•
•
63
COM2
REMOTE CONTROL
RECEIVER
IC552
44 1 OUT
ILL B+ 3 VCC
ILL POWER
48 CONTROL
D561-587
Q914
KEY
( )
ILLUMINATION
ILL B+
BATT SWITCH
Q915
( )
LCD BACK
LIGHT
X2 40
X801
8.38MHz PL551,552
X1 41

3-5. CIRCUIT BOARDS LOCATION

IN SELF SW board
DISPLAY board
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
2Vp-p
16.9344MHz
(XTAL)
IC1 wd
2
5Vp-p
3.2msec
(PACK)
IC1 ts
3
1.2Vp-p
IC1 uj (RFO)
4
Approx. 100mVp-p
IC1 oa (FEO)
5
Approx. 100mVp-p
IC1 od (TEO)
17 17
CDX-CA400/CA530X/CA580X
SERVO board
SPEAKER board
tuner unit
(TU601)
MAIN board
SL SW board
Main Board
— —
1
32.768kHz
IC801 ej (XT2)
2
8.38MHz
IC801 r;
0V
0V
5Vp-p
3Vp-p
(X2)