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3 7 63 1515 0
CD PLAYER UNIT
(X32-5520-00)
DPU1 :
OPTICAL PICKUP
A
B
E
F
C
FO COIL
TR COIL
DM2
SLED
MOTOR
DM1
SPINDLE MOTOR
ASSY
SPINDLE
MOTOR
LIM SW
D.GND
DM3
TE
L 13942296513
LOADING
MOTOR
SUB CIRCUIT UNIT (X16-2080-10)
Ref No.
Application / Functions
IC1
E2PROM
DISPLAY UNIT (X16-2530-10/11)
Ref No.
Application / Functions
IC1
Panel microprocessor
IC2
ROM IC
IC3
Flash ROM IC
IC4
AVR
IC5
AVR
IC6
Buffer IC
IC7
Buffer IC
IC8
Remote control IC
www
IC9
Logic IC
IC10
Analog IC
Q1
3.3V Regulator
.
Q2
2.5V Regulator
Q3,4
FL +B SW
BLOCK DIAGRAM
TR
IC7
RF AMP/
SERVO
PROCESSOR/
Q8
MP3 DECODER/
APC
WMA DECODER/
1Mbit SRAM
VREF
IC6
CLOCK
16.898MHz
IC8
DRAM
16Mbit
4CH
PWM
DRIVER
S.GND
S.GND
IC1
MOTOR
DRIVER
COMPONENTS DESCRIPTION
E2PROM for security
Panel control microprocessor
Graphic ROM
For Display customize memory IC
For 3.3V power supply
For 2.5V power supply
Level shift buffer IC (5V→3.3V)
Level shift buffer IC (3.3V→5V)
For Remote control sensor
Control for FL contrast
x
ao
u163
y
Spectrum analyzer IC
While PAN5V is applied when 3.3V regulator output is +3.3V
i
While PAN5V is applied when 2.5V regulator output is +2.5V
FL +B (VDD1) is turned on when Q3 base level goes H
2 9
8
1.6V REG.
IC9
Q7
A3.3V
SW
REG
IC10
LPF
IC5
MICRO-
D.GND
PROCESSOR
(CD MECHANISM
CONTROL)
PON
IC4
D.GND
D.GND
D3.3V
CLOCK
REG
4.00MHz
D.GND
Q Q
3
6 7
1 3
1 5
Operation / Condition / Compatibility
Operation / Condition / Compatibility
co
.
KDC-9026R/PSW9527
KDC-W9027/X979
9 4
2 8
MAIN
BOARD
A+8V
L-ch
R-ch
A.GND
MRST
MSTOP
CLK
DATA
MUTE L
MUTE R
D.GND
IC2
D3.3V
BU.+5.0V
REG
D.GND
D.GND
D.GND
S.+5.0V
S.GND
S.GND
S2
8EJE/LOS
SW
S4
LOE SW
S1
12EJE SW
S5
S3
LOS SW
0 5
8
2 9
9 4
2 8
LOAD
EJECT
m
9 9
9 9
3
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