Component Description - Kenwood KDC-3016RG Service Manual

SWITCH UNIT(X13-96X2-7X)
Ref.No. Component Name
IC1 LC75883E
Q1 DTA114EKorUN2111
ELECTRIC UNIT(X25-84X2-7X)
Ref.No. Component Name
IC1 UPD780058GC107
IC2 TDA7400D
IC3 PST9130NR
IC4 TDA7384A
IC4 TDA7386
IC5 HD74HC27FP
IC6 TDA7479D
Q1 2SB1565F(E,F)
Q2 2SC1740S
Q3 DTA124EKorUN2112
Q4 DTC144EKorUN2213
Q5 2SB1184
Q6 2SC1740S
Q7 2SD2396F40
Q8 DTC144EKorUN2213
Q9 DTA124EKorUN2112
Q10 2SB1184
Q11 2SC1740S
Q12 2SC1740S
Q13 2SC1740S
Q14 2SA1036K
Q17 2SB1277(Q,R)
Q20 DTC114YKorUN2214
Q18 2SA1037K
Q19 DTA124EKorUN2112
Q50 DTC144EKorUN2213
Q51 2SC2412Kor2SD601A DSI SW
Q150 DTC114YKorUN2214
Q153 DTC143TKorUN2216
Q154 DTC143TKorUN2216
Q155 DTA124EKorUN2112
Q156 DTC144EKorUN2213
Q200 2SB1277(Q,R)
Q201 DTC124EKorUN2212
Q202 2SB1277(Q,R)
Q203 DTC124EKorUN2212
Q204 2SC1740S
Q205 DTC114TKorUN2215
Q206 DTA124EKorUN2112
Q207 2SA1037K
Q208 2SC1740S
CD PLAYER UNIT(X32-4600/4700-00)
Ref.No. Component Name
IC1 AN8806SB
IC2 MN662770KA7
IC4 BA5917AFP
IC5 TA78L05F
IC6 NJM4565MD
Q1 2SA1362(Y)
Q2 DTC124EUA
Q3 2SA1362(Y)
Q4 2SA1362(Y)
Q5 DTC124EUA
Q6 2SA1576A
KDC-3016RG/303RG/3080RA/RG/RYA/RYG

COMPONENT DESCRIPTION

Application/Function
LCD driver with key-matrix
key-matrix permission SW
Application/Function
System MI-COM.
E-VOL. & N.C. MPX
Reset IC
Power IC
Power IC
Mute logic
RDS decoder
BU 5V AVR
SW14V
Audio 8V AVR
Servo AVR
Illumination AVR
BU detection(Momentary power down detection)
ACC detection
SW 5V
P-CON SW
P-CON protection
RESET SW
SVR SW
Audio mute SW
Mute driver for Audio mute SW
E-VOL. mute SW
FM+B SW
AM+B SW
Tuner audio out buffer
AFC time constant SW
Panel detection SW
Noise buffer
Application/Function
RF amplifier
CD signal processor bult-in MI-COM. Focusing,tracking,sled and spindle servo processing. Automatic
BTL driver
5V AVR
Low pass filter
APC
POWER SW
A.8V SW
D.5V SW
MOTOR ON SW
TE LEVEL SW
Operation/Condition/Compatibility
Ready on key-matrix
Operation/Condition/Compatibility
"Lo": Detection voltage below 3.0V
3 input NOR gate x3
Inverted darlington connection
ON during BU applied
Audio 8V AVR and Servo AVR ON/OFF control
Q3 is turned ON when Q4's base goes "Hi".
Q5 is turned ON when Q6's base goes "Hi".
Inverted darlington connection
ON when the base goes "Hi".
Q10 is turned ON when Q8's base goes "Hi".
ON when the base goes "Hi" during BU applied.
ON when the base goes "Hi" during ACC applied.
ON when the base goes "Lo".
Q17 is turned ON when Q20's base goes "Hi".
ON while power is on or CD loading/eject.
Protect Q17 by turning ON when P-CON output is grounded.
Prevents Q18 tuning ON during start-up after power ON.
System RESET is activated when the panel reset SW is pressed.
ON when the base goes "Hi".
POWER IC RESET is activated when the base goes "Hi".
Audio pre-outs are muted when the base goes "Hi".
ON when the base goes "Lo".
E-VOL. is muted when the base goes "Hi".
Q200 is turned ON when Q201's base goes "Hi".
ON during FM reception
Q202 is turned ON when Q203's base goes "Hi".
ON during AM reception
OFF during FM seek,ON during FM reception
Q205 is turned OFF when Q206's emitter goes "Lo".
ON when the base goes "Lo" during the panel closed.
Operation/Condition/Compatibility
Generation of RF signal based on the signals from the APC
circuit and pickup, and generation of servo error(focusing
error and tracking error) signals. Detection of dropout, anti-
shock, track crossing and off-track conditions.
adjustment(focusing, tracking, gain, offset and balance)
operations. Digital signal processing(DSP, PLL, sub-codes,
CIRC error correction, audio data interpolaration) operations.
Focusing coil, tracking coil, spindle motor and sled motor driver
LD power control
Power on during the source selected CD
A8V line ON/OFF control
D5V line ON/OFF control
Power on during CD roading or eject action
OFF during CDR play
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