Block Diagram -Display Section; Circuit Boards Location - Sony CDX-4000X Service Manual

Q Q
3 7 6 3 1 5 1 5 0
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
KEY MATRIX
LSW901-908
LSW910-915
S901-904
KEY
ACTIVE
Q914
KEY
KEY ACT
ACTIVE
Q915
CNP802
(REMOTE IN)
IC951
IR
RECEIVE
ROTARY
ENCODER
RE901
S901
(NOSE DET)
X801
32.768kHz
T E
04
L 1 3 9 4 2 2 9 6 5 1 3
w w w
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SYSTEM CONTROL LCD DRIVE
IC801 (3/3) IC901
S04 4
I
I LIQUID CRYSTAL
5 KEY IN0 LCD DATA 21 64 DATA
51
S51
DISPLAY PANEL
LCD CE 22 62 CE •
LCD901
COM1 52
47 KEY IN1 LCD CLK 23 63 CL
I I
COM4 55
GREEN 2
26 KEY ACK
AMBER 1
4005
81 AD ON
AMBER
DRIVE
Q901
F/P +10V
RC IN1
18
7 RC IN0
SIRCS
29 LED910-915 LSW901-908
LSW910-915
LED921-924
POWER
LED901-904 (4005)
ILL ON 24 CONT
80 RE IN0 Q911
RE IN1
79
+10V REG
BATT ILL +B
Q912
27 NOSE
OSC OUT 12
X800
16 XO
14.432MHz
OSC IN 13
15 XI
x a o
y
i
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8

3-5. CIRCUIT BOARDS LOCATION

RELAY board
GREEN
DRIVE
Q902
Q Q
3 7 6 3
u 1 6 3
.
21 21
2 4
9 9 8
LIMIT SW board
DISC IN SW board
DISPLAY board
SERVO board
1 5 1 5 0 8 9 2 4
m
c o
CDX-4000X/4005/4800X
2
9 9
tuner unit
(TU601)
MAIN board
9 8 2 9 9