Read Sony CDX-MP30 Service Manual online
15
15
CDX-MP30
3-3. Block Diagram –DISPLAY Section–
• Circuit Boards Location
Q803
KEY
DETECT
CNP801
(REMOTE IN)
IC552
X802
32.768kHz
15
16
12
13
5
18
20
19
4
26
91
98
6
29
2
IC801 (2/2)
SYSTEM CONTROL
IC501
LCD DRIVER
KEY IN0
DATA
CLK
CE
LCDSO
LCDCKO
LCDCE
Q919
ILL ON
SWITCH
Q918
ILL B+
SWITCH
KEY IN1
KEY ACK
XKEYON
RC IN1
RC IN0
SIRCS
XIN
XOUT
OSC OUT
93
ILLON
BATT
ILL B+
OSC IN
X801
18.432MHz
LED549,550
LCD BACK
LIGHT
64
63
62
COM1
COM4
LCD501
LIQUID
CRYSTAL
DISPLAY
D809
D807
(
)
D561-589
KEY
ILLUMINATION
(
)
52
|
55
2
I
13
•
15
|
38
•
40
I
51
S2
I
S48
|
REMOTE
CONTROL
RECEIVER
S501 -510
FUNCTION SWITCH
S511 -521
FUNCTION SWITCH
g
MAIN board
tuner unit
(TU601)
(TU601)
DISPLAY board
LOAD-SW board
SERVO board
DISC IN SW board
SPEAKER board
LIMIT SW board
• Waveforms
— SERVO Board —
(MODE: CD PLAY)
—
MAIN Board
—
1
IC1
wd
(XTAL)
2
IC1
uj
(RFO)
3
IC1
oa
(FEO)
4
IC1
od
(TEO)
4.8 Vp-p
59 ns
1V/DIV,20ns/DIV
5
IC3
yd
(XTAL)
2.7 Vp-p
82 ns
1V/DIV,40ns/DIV
Approx. 200m Vp-p
Approx. 300m Vp-p
100mV/DIV,20
µ
s/DIV
100mV/DIV,20
µ
s/DIV
500mV/DIV,1
µ
s/DIV
1.7 Vp-p
6
IC601
4
(OSCD)
7
IC801
qs
(OSCOUT)
8
IC801
qh
(XOUT)
2V/DIV,40ns/DIV
5.3 Vp-p
54 ns
2V/DIV,20
µ
s/DIV
5.4 Vp-p
30.5
µ
s
2V/DIV,100ns/DIV
230 ns
5.7 Vp-p
Ver 1.1 2002.06
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