Block Diagram -Display Section - Sony CDX-L510X Service Manual

Q Q
3 7 6 3 1 5 1 5 0
3-5. BLOCK DIAGRAM — DISPLAY SECTION —
KEY 0
29
KEY MATRIX
LSW901-918
S902,903,931
KEY 1
30
AD ON
43
Q801
35 AD ON
27 SHIFT
CNP802
31 R COM
(REMOTE IN)
47 NOSE
SW801
(NOSE)
37
X802
32kHz
38
T E
L 1 3 9 4 2 2 9 6 5 1 3
8 DOOR SW/IND
RELAY
BOARD
w w w
.
SYSTEM CONTROL LCD DRIVER
IC801 (3/3) IC901
SEG1
1
KEY 0
|
|
LCD DO 16 64 DATA DI
SEG12
12
LCD CLK 17 63 CLK CL
•
•
KEY 1 LCD CE 15 62 CE CE
SEG15 15
|
|
LCD
SEG45
45
LCD901
KEY ACK
COM1 52
|
|
COM4
55
REMOTE CONTROL
RECEIVER
IC951
SIRCS OUT
44 2
ILL B+ 1 VCC
ILL POWER
LED901-906
ILL ON CONTROL
48
LSW901-918
Q914
ILL B+
XT2
BATT
SWITCH
LED914,915
Q915
XT1
X2 40
X801
8.38MHz
X1 41
LED930,931
LED
POWER CONTROL
Q908,922
x a o
y
i
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8
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
IC1
2
IC1
3
IC1
KEY 4
( )
ILLUMINATION
( )
LCD
Approx. 100mVp-p
BACKLIGHT
IC1
Q Q
5
3 7 6 3
Approx. 100mVp-p
IC1
u 1 6 3
.
17 17
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2 4
9 9 8
—
1
2Vp-p
16.9344MHz
wd (XTAL)
2
5Vp-p
3.2msec
ts (PACK)
3
1.2Vp-p
uj (RFO)
0V
oa (FEO)
1 5 1 5 0 8 9 2 4
0V
od (TEO)
m
c o
CDX-L510X
2
9 9
Main Board
—
5Vp-p
32.768kHz
IC801 ej (XT2)
3Vp-p
8.38MHz
(X2)
IC801 r;
2.5Vp-p
10.25MHz
(XO)
IC601 1
9 8 2 9 9