KDC-MP6090R/MP7018/MP8017
4
COMPONENTS DESCRIPTION
Ref.No.
Component Name
Application/Function
Operation/Condition/Compatibility
IC1
LC75808W
LCD driver with the key matrix
IC2
RS-171
Remote sensor IC
Q1
DTA114EUA or KRA302
Key-permission SW
For the key scanning start
Q3
2SD2114K
Red LED SW
When a base goes "Hi", RED LEDs are turned on.
Q4
2SD2114K
Green LED SW
When a base goes "Hi", GREEN LEDs are turned on.
Q5
2SC2412K or 2SD601A
VLCD AVR
Q6
DTA114EUA or KRA302
REMO SW
While a base goes "Lo", PAN 5V is supplied to the
Remote sensor IC.
Q7
DTC143ZK
Dimmer SW
Usually Q7's base goes "Hi". When DIMMER mode is
selected, pulse wave shape is applied to Q7's base.
Ref.No.
Component Name
Application/Function
Operation/Condition/Compatibility
IC1
UPD703033GC057
System MI-COM.
IC2
TDA7407D
E.VOL & N.C.MPX IC
IC3
HD74HC02FP or TC74HC02AF
Mute logic
2-input NOR x 4
IC4
TA8263BH
Power IC
IC7
TDA7479D
RDS decoder
IC8
S-80837ANNP
Reset IC
When BU 5V voltage is less than 3.7V, IC outputs "Lo".
IC10
M5237ML
AVR IC
IC is combined with Q15, and it works as the error detection, the driver.
IC11
LM2595S-ADJ
SERVO +B AVR
Output voltage 7.5V. A DC/DC Converter built-in the ON/OFF function.
IC12
BA05T
SW 5V AVR
Output voltage is 5.0V.
Q1
DTC143TUA or KRC410
Pre mute (Front L)
When Q1's base goes "Hi", Pre-output is muted.
Q2
DTC143TUA or KRC410
Pre mute (Front R)
When Q2's base goes "Hi", Pre-output is muted.
Q5
DTC143TUA or KRC410
Pre mute (Rear L)
When Q5's base goes "Hi", Pre-output is muted.
Q6
DTC143TUA or KRC410
Pre mute (Rear R)
When Q6's base goes "Hi", Pre-output is muted.
Q7
DTA124EUA or KRA303
Mute driver
When BU detection SW or System RESET or MI-COM.'s
Pre-mute is working, a base goes "Lo", and Q7 is turned on.
Q11
2SC4081 or 2SD1819A
BU 5V AVR
While BACKUP is applied, AVR o5V.
Q12
2SB1548(P)
Q11 and Q12 are inverted Darlington connection.
Q13
2SA1576A or 2SB1218A
SW 5V
While a base goes "Lo", SW 5V is supplied to the
microprocessor peripheral circuits.
Q14
DTC144EUA or UN5213
A8V AVR ON/OFF control
Q16
DTA124EUA or KRA303
SW14V SW
While Q14's base goes "Hi", Q16 is turned on,
and A8V AVR is working.
Q15
2SB1548(P)
A8V AVR
Q15 is combined with IC10, and it outputs 8V.
Q17
DTC144EUA or UN5213
SERVO +B SW
When a base goes "Hi", Q17 is turned on,
and SERVO +B AVR is working.
Q19
DTC124EUA or UN5212
ILL +B AVR ON/OFF control
Q20
DTA124EUA or KRA303
ILL +B SW
While Q19's base goes "Hi", Q20 is turned on,
and ILL +B AVR is working.
Q21
2SB1184
ILL +B AVR
While Q22's base goes "Hi", AVR o10.5V.
Q22
2SC4081 or 2SD1819A
Works during POWER ON mode with a panel attached to the set.
Q25
DTA123JK or KRA105S
EXT. AMP CON. SW
When a base goes "Lo", Q25 is turned on.
Q26
DTC144EUA or UN5213
Small lamp detection SW
When vehicle small lamps turn on, Q26 is turned on .
Q27
DTC114YUA or UN5214
P-CON SW
When Q27's base goes "Hi", Q32 is turned on .
Q32
2SB1277(Q,R)
Works during POWER ON mode.
Q29
DTA124EUA or KRA303
P-CON. protection inhibit SW
Prevents Q30 tuning ON during start-up after power ON.
Q30
2SA1576A or 2SB1218A
P-CON. protection SW
Protect Q32 by turning ON when P-CON output is grounded.
Q28
DTC114YUA or UN5214
ANT-CON. SW
Q31 is turned on when Q28's base goes "Hi".
Q31
2SB1277(Q,R)
Works during TUNER mode.
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SWITCH UNIT (X13-9960-11)
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ELECTRIC UNIT (X25-880X-XX)