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KDC-Z727,Z727
5
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SUB-CIRCUIT UNIT (X13-9930-00)
COMPONENTS DESCRIPTION
Ref.No.
Element/Function
Operation/Condition
IC1
SYS u-COM
IC2
RESET
System reset
IC3
GATE IC
Gate IC for muting
IC200 GND-ISO
GND-ISO for CD-CH
IC201 SW-OP
CD/CD-CH input switching
IC202 Buff
SA buffer and 1/2 Vdd
IC300 E-VOL/MPX
E-VOL/MPX
IC301 SYSTEM E'S
SYSTEM E'S
IC310-312 Buff
Buffer for 4.5 V PRE-OUT
IC500 POWER AMP
IC900 PNL u-COM
IC930 REMOCON
Remote control light sensor
IC940 SA BPF
BPF for SA
IC950 EXTENSION ROM
IC960 3.3V POWER SUPPLY IC 3.3 V power supply
IC961 LEVEL SHIFT IC
5V-3.3 V level shifting
Q1
5V SW
Q2
MUTE SW
Muting SW for PRE-OUT
Q3
CH RST SW
Q4
LED SW
LED SW for DISC_ and EJ SW
Q5
PNL5V SW
Q6
PNL5V SW
Q9
Buff
IFC buffer
Q10 LED SW
LED SW for DSI
Q100,101 FM+B SW
Q102,103 AM+B SW
Ref.No.
Element/Function
Operation/Condition
Q352A,B MUTE DRV
PRE-OUT muting
Q600 BU DET
B-U ON/OFF detection
Q601 Acc DET
Acc ON/OFF detection
Q602 P-ANT SW
Q603 P-ANT SW
Q604 P-CON SW
Q605 P-CON PROTECT
Q606 P-CON PROTECT
Q607 P-CON SW
Q608 DIMMER SW
Q609 EXT AMPCON SW
Q611,612 PNL5V AVR
5V panel power supply
Q613,614 BU5V AVR
5V uCOM power supply
Q615,616 DD-CONV SW
Q617,618 DD-CONV AVR
DC/DC converter power supply
Q619,620 SURVO7.5V AVR 7.5V CD mechanism power supply
Q621,622 AUDIO8V AVR
8V Audio power supply
Q623 14V SW
8V Audio, 5 V DSP,
7.5 V SERVO
Q624 14V SW
8V Audio, 5 V DSP,
7.5 V SERVO
Q632,633
AUDIO DC/DC
11V Audio DC/DC CONV
11V AVR
power supply
Q801-803 AUDIO -9V SW
Q804,805 AUDIO 9V SW
Q806 AUDIO 9V SW
Q900 LED SW
LED SW for SRC and KENWOOD logos
Q930,931 PNL5V SW
5V Panel SW for SA-BPF and
REMOTE-CON
Q960 BK SW
Q961,962 VFD SW
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