KDC-X879
3
BLOCK DIAGRAM
S7V
A8V
BU5V
D5V
SW3.3V
BU3.3V
B
U2.5V
SW3.3V
B
U3.3V
B
U5V
A8V
B
U3.3V
A5V
(X32-5560-00/0-01)
CD PLAYER UNIT
(X32-5590-00/0-01)
IC1
u-COM
Q8
APC
Q10
C-SW
IC4
MOTOR
DRIVER
M
M
M1
M2
SPINDLE
MOTOR
LOADING
MOTOR
SLED &
S1
S2
Q3,5,6
S3
S4
(0-01)ONLY
Q7
Q1,4
LEVEL
SHIFT
REG
3.3V/2.5V
IC15
3.3V REG
IC5
LEVEL
SHIFT
IC3
MP3/WMA
DECODER
IC2
SERVO DSP
(DAC,RF AMP)
FO COIL
TR COIL
(PICKUP)
A
C
F
B
E
DPU1
LD
PD
CN2
CN1
LEVEL
SHIFT
DAC
IC10
IC14
5V REG
FILTER
AUDIO
UNIT
Q9
C-SW
15
DATA
CLK
MUTER
MUTEL
MSTOP
MRST
10
LOS
20
1
8EJE
A8V
L
AGND
DOUT
R
MOTOR
LO/EJ
5
SGND
S7V
12EJE
LOE/LIM
X2
16.00MHz
16.898MHz
X1
OPEN
D5
DGND
24
BU5
3
3
8
8
2
4
4
4
VREF
SLD
TRK
FCS
SPD
5
16
PON
SGND
DGND
DGND
DGND
3
AGND
3
DGND
DMUTE
SGND
2
2
A
GND
DGND
DATA
DGND
DGND
A
GND
SDO
DGND
DGND
DGND
●
SUB CIRCUIT UNIT (X16-2080-10)
Ref No.
Application / Functions
Operation / Condition / Compatibility
IC1
E2PROM
E2PROM for security
●
DISPLAY UNIT (X16-2530-11)
Ref No.
Application / Functions
Operation / Condition / Compatibility
IC1
Panel microprocessor
Panel control microprocessor
IC2
ROM IC
Graphic ROM
IC4
AVR
For 3.3V power supply
IC5
AVR
For 2.5V power supply
IC6
Buffer IC
Level shift buffer IC (5V
→
3.3V)
IC7
Buffer IC
Level shift buffer IC (3.3V
→
5V)
IC8
Remote control IC
For Remote control sensor
IC9
Logic IC
Control for FL contrast
IC10
Analog IC
Spectrum analyzer IC
COMPONENTS DESCRIPTION