KDC-V7022
4
q SUB-CIRCUIT UNIT (X16-2080-10)
Ref. No.
Application/Function
Operation/Condition/Compatibility
IC1
E2PROM
For security
q SUB-CIRCUIT UNIT (X16-2160-10)
Ref. No.
Application/Function
Operation/Condition/Compatibility
IC1
LCD Driver
KEY Input
IC2
LCD Driver
IC3
Remote control sensor
IC4
D/A converter
Q1
KEY scan start SW
ON when the base goes "L".
Q5, D26
VLCD AVR
Q6
Remote control sensor power supply SW
ON when the base goes "L".
Q11~16
Variable illumination control
Q62~64
Variable illumination control
q SWITCH UNIT (X16-2190-10)
Ref. No.
Application/Function
Operation/Condition/Compatibility
Q1
DSI (Disabled System Indicator)
DSI blinks when the base goes "H/L"
Q2
KEY illumination SW (GREEN)
ON (KEY illumination green) when the base goes "H"
Q3
KEY illumination SW (RED)
ON (KEY illumination red) when the base goes "H"
q ELECTRIC UNIT (X25-9660-11)
Ref. No.
Application/Function
Operation/Condition/Compatibility
IC1
System
µ-com
IC2
E-vol & N.C. & MPX
IC3
Regulator IC for A8V
IC4
Power IC
IC7
Reset IC
IC8
Logic IC for muting
IC13, 14
Motor driver IC for panel mechanism
IC15
ROM IC
For ROM correction.
Q1, 2
B.U.5V AVR
While BU is applied, BU5V AVR outputs +5V.
Q3
SW5V
When Q3'base goes Lo, SW5V outputs +5V.
Q4, 5
SW14V
When Q5'base goes Hi, SW14V outputs 14V.
Q6~8
AUDIO 8V AVR
When Q6'base goes Hi, A8V AVR outputs 8.4V.
Q9, 34
SERVO+B AVR
When Q34'base goes Hi, S+B AVR outputs 7.4V.
Q11~14
ILL+B AVR
When Q11'base goes Hi, AVR outputs 10.5V.
Q23, 24
P-ANT SW
When Q23'base goes Hi, P-ANT SW outputs 14V.
Q25, 26
P-CON SW
When Q26'base goes Hi, P-CON SW outputs 14V.
Q27, 28
P-CON protection
Protect Q27 by turning on when P-CON output is grounded.
Q30
Small lamp det SW
When Q30'base goes Hi, Q30 is turned on.
Q32
BU det
When Q32'base gose Hi, Q32 is turned on.
Q33
ACC det
When Q33'base gose Hi, Q33 is turned on.
COMPONENTS DESCRIPTION
