Block Diagram -Display Section; Circuit Boards Location - Sony CDX-CA600 Service Manual

3-4. BLOCK DIAGRAM — DISPLAY SECTION —
SYSTEM CONTROL
IC801 (3/3)
KEY IN0
5
LCD SO
KEY MATRIX
S501-521
LCD CKO
4 KEY IN1 LCD CE
D809
KEY
ACTIVE 26 KEY ACK
Q803
91 AD ON
D807
98 RC IN1
CNP801
6 RC IN0
(REMOTE IN)
IC552
REMOTE
29 SIRCS
RECEIVE
ILL ON
OSC OUT
15 XIN
X802
32.768kHz
OSC IN
16 XOUT
LCD DRIVE
IC501
S2 2
I I
18 64 DATA DATA
S25 25
• •
20 63 CLK CLK
S27 27
19 62 CE CE
| |
S38 38
• • LCD
S40 40
LCD501
I I
S47 47
COM1 52
| |
COM4 55
ILL+5V
CA600
LED
P1/S1 1 DRIVE
Q502
CA600X
LED DRIVE LED
SWITCH DRIVE
BATT
Q503 Q501
INH
61
CA600
ILL ON
93 SWITCH
Q919
ILL+5V
ILL B+
BATT
REG
Q918 ( LCD BACK )
LIGHT
12
X801
LED549,550
18.432MHz
13

3-5. CIRCUIT BOARDS LOCATION

IN SELF SW board
D561-589
( KEY )
ILLUMINATION
ILL+5V
DISPLAY board
D531-559
( KEY )
ILLUMINATION
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
16.9344MHz
(XTAL)
IC1 wd
2
3.2msec
(PACK)
IC1 ts
3
IC1 uj (RFO)
4
Approx. 100mVp-p
IC1 oa (FEO)
5
Approx. 100mVp-p
IC1 od (TEO)
17 17
CDX-CA600/CA600X
SERVO board
SPEAKER board
tuner unit
(TU601)
MAIN board
SL SW board
Main Board
—
1
2Vp-p
4.332MHz
4
IC601
2
5Vp-p
18.432MHz
IC801 qs
3
1.2Vp-p
32.768kHz
qh
IC801
0V
0V
—
5.2Vp-p
(OSCD)
2.2Vp-p
(OSCOUT)
5Vp-p
(XOUT)