KVT-M700
5
COMPONENT DESCRIPTION
VIDEO CONTROL UNIT (X14-692x-xx)
REF.
No.
REF.
No.
FUNCTION
OPERATION
Q504
RED/GREEN SW
Switches red and green LED.
Q505
RED/GREEN SW
Turns on green LED.
Q506
RED/GREEN SW
Turns on red LED.
Q507
GREEN LED SW
Turns on or off green LED.
ELECTRIC UNIT (X25-926x-xx)
FUNCTION
OPERATION
IC1
POWER AMPLIFIER
Controls DC/DC converter.
IC2
8V AVR
Switches 8V.
IC3
DC/DC CONTROLLER
Controls DC/DC converter.
IC4
MUTE LOGIC
Mute logic.
IC5
ISOLATION AMPLIFIER
Isolates AV IN2 audio signal.
IC6
RESET IC
Detects 3.7V.
IC7
SYSTEM E’s+
HPF.
IC8
OPERATION AMPLIFIER
For PRE OUT.
IC9
SYSTEM u-COM
Controls system.
IC10
OPERATION AMPLIFIER
For PRE OUT.
IC11
E-VOLUME/MPX
Electric volume and multiplexer.
IC12
OPERATION AMPLIFIER
For PRE OUT.
IC13
AUDIO SW
Switches main source audio signal.
IC14
BUFFER
Buffers 1/2 Vcc and GND.
IC15
ISOLATION AMPLIFIER
Isolates the 5-Line.
IC16
RDS DECODER
Decodes RDS.
IC17
NOISE DETECTION OP AMP.
Detects noise.
IC18
ISOLATION AMPLIFIER
Isolates AV IN audio signal.
Q1
5V AVR
Backs up 5V.
Q2
SVR SW
Switches SVR.
Q3
5V AVR
Backs up 5V.
Q4
P.ON 5V SW
Switches 5V.
Q5,6
P.ON 14V SW
Switches 14V.
Q7,8
DC/DC SW
Switches DC/DC.
Q9
P.ANT SW
Switches P.ANT.
Q10
P.CON SW
Switches P.CON.
Q11
8V AVR
Switches 8V.
Q12,13
P.CON PROTECTOR
Protects P.CON.
Q14
P.ANT SW
Switches P.ANT.
Q15
P.CON SW
Switches P.CON.
Q16
B.U. DETECTOR
Detects back-up.