Receiver Unit (X14-974X-Xx); Components Description - Kenwood DDX6019 Service Manual

DDX6019/6029/6029Y/6039

RECEIVER UNIT (X14-974x-xx)

Ref. No Application / Function
IC1 Logic IC (NOR x 4)
IC5 3 terminal regulator
IC101 100 pin -com
IC104 Voltage detector
IC105 Logic IC (inverter)
IC201 Electronic volume IC
IC202 Logic IC (multi plexer)
IC203 Logic IC (multi plexer)
IC204 Logic IC (AND)
IC251 RDS decoder IC
IC301 Power IC
IC401 Isolation amplifier IC
Q1 Transistor
Q2 Transistor
Q3 Transistor
Q4 Transistor
Q14,16 Transistor
Q18~21 Transistor
Q22,23 Transistor
Q24 Transistor
Q25 Transistor
Q26 Transistor
Q27,28 Transistor
Q29 Transistor
Q30 FET
Q31,32,34 Transistor
Q42~44 Transistor
Q45 Transistor
Q101~103 Transistor
Q201 Transistor
Q202 Transistor
Q203 Transistor
Q204 Transistor
Q205,206 Transistor
Q207 Transistor
Q253,255 Transistor
Q301 Transistor
Q302 Transistor
Q303 Transistor
4

COMPONENTS DESCRIPTION

Hard MUTE DRIVER
Audio8V, Tuner8V generating
Primarily, audio board control
-com reset voltage (4.2V) monitoring
Reverse reset from X34
Audio volume control and audio signal selection
Audio signal selection (Sub)
Audio signal selection (Main)
DVD_MUTE 3.3V 5V conversion
For RDS signal processing and demodulating
Power amplifier for speaker output
For audio signal GND isolation (LX-CH)
Parking detection circuit
Reverse detection circuit
ILLMI detection circuit
ACC detection circuit
Bu detection circuit
P_CON output circuit
ANT_CON output circuit
EXT_CONT output circuit
Generating Bu5V
Bu5V circuit
SW5V circuit
SW14V circuit
SW14V circuit
Hard MUTE circuit
Audio8V, Tuner8V generating
-com reset circuit
Audio SEL circuit (ASEL4)
Audio SEL circuit (ASEL3)
Audio SEL circuit (ASEL2)
Audio SEL circuit (ASEL1)
DVD_MUTE
DVD_MUTE circuit
On when AM (Tuner8V)
Pre-Out Mute (FL)
Pre-Out Mute circuit (Front, Rear)
Pre-Out Mute (FR)
Operation / Condition / Compatibility