KDC-MP5028/MP528
/W6031/W6031Y
5
COMPONENTS DESCRIPTION
Ref. No. Application / Function Operation / Condition / Compatibility
IC11 AMP for 4V Pre-Out Ref.
IC12
Switching 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 While BU is applied, BU5V AVR outputs 5V.
Q3,11 SW5V When Q11’base goes Hi, SW5V outputs 5V.
Q4,906 SW14V When Q4’base goes Hi, SW14V outputs 14V.
Q5,6 AUDIO8V AVR When Q6’base goes Hi, A8V AVR outputs 8.3V.
Q7,8 MOTOR+B AVR When Q8’base goes Hi, M+B AVR outputs 8.3V.
Q9,10 SERVO+B AVR When Q10’base goes Hi, S+B AVR outputs 7.7V.
Q12 SW for IC12 When Q12’base goes Lo, IC12 is turned on.
Q13 PAN5V When Q13’base goes Lo, PAN5V outputs 5V.
Q14 4V PRE+B Short Protection If Q15’Emitter short to GND, between Q14’Base to Emitter more than
0.6V, Q14 ON and Q15 is turned off.
Q15,16 4V PRE+B When Q15’base goes Hi, 4V PRE+B outputs 12V.
Q17,18 ILL+B SW When Q17’base goes Hi, ILL+B SW outputs 10.65V.
Q101,102 P-ANT SW When Q102’base goes Hi, P-ANT SW outputs 14V.
Q103,106 P-CON SW When Q106’base goes Hi, P-CON SW outputs 14V.
Q104,105 P-CON Protection Protects Q104 from being triggered erroneously.This is achieved by
turning on output protection when P-CON output grounding is detected.
Q107 Ext Amp Control Buffer
Q108 Small lamp det SW When Q108’base goes Hi, Q108 is turned on.
Q109,110 Surge det When Q109’base goes Hi, Q109, Q110 are turned on.
Q111 BU det When Q111’base goes Hi, Q111 is turned on.
Q112 ACC det When Q112’base goes Hi, Q112 is turned on.
Q113 Mute driver When Q113’base goes Lo, mute driver is turned on.
Q114 Mute driver When Q114’base goes Lo, mute driver is turned on.
Q115,116 Mute driver When a base goes Lo, mute driver is turned on.
Q300,301 AM+B SW When Q301’base goes Hi, AM+B is out.
Q304 DSI (Disabled System Indicator) DSI blinks when Q304’base goes “H/L”
Q400~405 Pre-out mute SW When a base goes Hi, Pre-out is muted.
Q905 SVR+B AVR When Q905’base goes Hi, SVR+B AVR outputs 14V.
