KDC-MP6090R/MP7018/MP8017
5
Ref.No.
Component Name
Application/Function
Operation/Condition/Compatibility
While BACKUP is applied, a base goes "Hi",
Q33
2SC4081 or 2SD1819A
BU detection SW
and Q33 is turned on.
When momentary power down has detected,
a base goes "Lo", and Q33 is turned off.
Q34
2SC4081 or 2SD1819A
ACC detection SW
While ACC is applied, a base goes "Hi", and Q34 is turned on.
Q42
DTC124EUA or UN5212
E. VOL mute SW
When BU detection SW or MI-COM.'s mute is working,
a base goes "Hi", and Q42 is turned on.
Q45
DTC124EUA or UN5212
FM +B SW
When Q45's base goes "Hi", Q47 is turned on .
Q47
2SB1277(Q,R)
Works during FM reception mode.
Q46
DTC124EUA or UN5212
AM +B SW
When Q46's base goes "Hi", Q48 is turned on .
Q48
2SB1277(Q,R)
Works during AM reception mode.
Q51
2SC4081 or 2SD1819A
Noise buffer
Q52
2SC4081 or 2SD1819A
Composite signal output buffer
Q53
DTC144EUA or UN5213
IFC buffer
Waveform shaping
Q55
2SA1576A or 2SB1218A
PAN 5V SW
While a panel is attached to the set,
Q56
DTC124EUA or UN5212
Q56's base goes "Hi", and Q55 is turned on.
Ref.No.
Component Name
Application/Function
Operation/Condition/Compatibility
IC1
M30620MCAB12GP
MECHA. control MI-COM
Mechanism / servo processing control, MP3 data conversion
of serial to parallel, DSP and D/A converter control
Focusing,tracking,sled and spindle servo processing.
IC2
UPD63724B
DSP (CD-ROM decoder,
Automatic adjustment (focusing, tracking, gain, offset
servo controller)
and balance) operations. Digital signal processing(DSP
and etc.), PLL, ROM decode processing.
IC3
TC74HC157AF
Quad 2-channel multiplexer
CD-DA/MP3 Clock and Data lines (MCLK, LRCK, CLK,
DATA) switching
IC4
LP2982-3.3
3.3V AVR
AVR for audio interface and quad multiplexer
IC5
STA013
MP3 Audio decoder
MP3 DSP
IC6
MSM514260CP-60
4M bit DRAM
Buffer memory
IC7
TC7SH04F
Inverter
Clock buffer for MP3 audio decoder
IC8
TA78L05F
5V AVR
AVR outputs +5V for D/A converter analogue part.
IC9
PCM1716E
24Bit D/A converter
24Bit D/A converter built-in digital filter and de-
emphasis function
Generation of RF signal based on the signals from the APC
IC10
UPC2575GS
RF amplifier
circuit and pickup, and generation of servo error (focusing
error and tracking error) signals. Detection of dropout,
anti-shock, and track crossing conditions.
IC11
BA5917AFP
BTL driver
Focusing coil, tracking coil, spindle motor and sled motor driver
IC12
NJM5532MD
OP Amp.
Low pass filter
IC13
NJM2903M
Vibration detector
When a disc vibration is detected , and is outputted "Lo".
Q1
MCH6101
A.8V SW
A8V ON/OFF control. When a base goes "Lo", Q1 is turned on.
Q2
DTC124EUA
P ON SW
When CD source is selected, Q2's base goes "Hi", Q1 and Q3 are turned on.
Q3
MCH6101
D.5V SW
D5V ON/OFF control. When a base goes "Lo", Q3 is turnde on.
Q4
DTC124EUA
MOTOR SW
When CD loading or eject operation is activating,
Q4's base goes "Hi", Q1 and Q3 are turned on.
Q5
2SK3018
Level shifting
MP3 data request line with MECHA. MI-COM. and STA013
Q6
2SK3018
Level shifting
Clock line for the control communication with MECHA. MI-COM. and STA013
Q7
2SK3018
Level shifting
Data line for the control communication with MECHA. MI-COM. and STA013
Q8
MCH6101
APC
LD APC
Q9
DTC124EUA
EQ switching SW
When a base goes "Hi", Q9 is turned on and is
changed to IC10's EQ for normally velocity.
GPROCESSOR UNIT (X32-5080-00)
COMPONENTS DESCRIPTION
