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ELECTRIC UNIT (X34-3420-15)
Ref. No.
Application / Function
System µ-com
IC1
IC2
E-vol IC
IC3
Regulator IC for A8V
IC4
Power IC
IC5
Regulator IC for ILL+B (10.65V)
IC6
Logic IC for muting
IC7
Reset IC
IC8
Motor Driver IC for Slide panel mecha
IC10
Rom IC for Installer-Memory and Rom-Correction
IC11
AMP for 4V Pre-Out Ref.
IC12
Swiching regulator IC for CD mecha D5V and FL filament
IC902
AMP for Power IC SVR and E-vol IC 3.3V Ref.
Q1,2
B.U.5V AVR
Q3,11
SW5V
Q4,906
SW14V
Q5,6
AUDIO8V AVR
Q7,8
MOTOR+B AVR
Q9,10
SERVO+B AVR
Q12
SW for IC12
Q13
PAN5V
4V PRE+B
Q14
Short Protection
Q15,16
4V PRE+B
Q17,18
ILL+B SW
Q101,102
P-ANT SW
Q103,106
P-CON SW
Q104,105
P-CON Protection
Q108
Small lamp det SW
Q109
Surge det
Q111
BU det
Q112
ACC det
Q113
Mute driver
Q114
Mute driver
Q115,116
Mute driver
Q300,301
AM+B SW
Q304
DSI (Disabled System Indicator)
Q400~405
Pre-out mute SW
Q905
SVR+B AVR
COMPONENTS DESCRIPTION
KDC-MP5032
Operation / Condition / Compatibility
While BU is applied, BU5V AVR outputs 5V.
When Q11' base goes Hi, SW5V outputs 5V.
When Q4' base goes Hi, SW14V outputs 14V.
When Q6' base goes Hi, A8V AVR outputs 8.3V.
When Q8' base goes Hi, M+B AVR outputs 8.3V.
When Q10' base goes Hi, S+B AVR outputs 7.7V.
When Q12' base gose Lo, IC12 is turned on.
When Q13' base goes Lo, PAN5V outputs 5V.
If Q15' Emitter short to GND, between Q14' Base to Emitter more
than 0.6V, Q14 ON and Q15 is turned off.
When Q15' base goes Hi, 4V PRE+B outputs 12V.
When Q17' base goes Hi, ILL+B SW outputs 10.65V.
When Q102' base goes Hi, P-ANT SW outputs 14V.
When Q106' base goes Hi, P-CON SW outputs 14V.
Protect Q104 by turning on when P-CON output is grounded.
When Q108' base goes Hi, Q108 is turned on.
When Q109' base goes Hi, Q109, Q110 are turned on.
When Q111' base gose Hi, Q111 is turned on.
When Q112' base gose Hi, Q112 is turned on.
When Q113' base goses Lo, mute driver is turned on.
When Q114' base goses Lo, mute driver is turned on.
When a base gose Lo, mute driver is turned on.
When Q301' base gose Hi, AM+B is out.
DSI blinks when Q304' base goes "H/L"
When a base gose Hi, Pre-out is muted.
When Q905'base goes Hi, SVR+B AVR outputs 14V.
3
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