Kenwood DDX7029 Service Manual

7
DDX7019/7029/7029Y/7039
DNX7100/7200
●
ELECTRIC UNIT (X34-477x-xx)
Ref. No. Application / Function Operation / Condition / Compatibility
IC71 3 terminal regulator Audio8V and Tuner8V generation
IC101 Pin 100 µ-com Primarily, audio board control
IC102 Voltage detector µ-com reset voltage (4.2V) monitoring
IC104 Logic IC (inverter) Reverse reset from X14
IC105 Serial/Parallel IC Control output of AudioSW IC
IC106 Logic IC Conversion of communication line level between X14 system µ-com (3.3
→
5)
IC201 Electronic volume IC Audio volume control and audio signal selection
IC202 Logic IC (multi plexer) Audio signal selection (Sub)
IC203 Logic IC (multi plexer) Audio signal selection (Main)
IC251 RDS decoder IC RDS signal processing and demodulation
IC301 Power IC Power amplifi er for speaker output
Q1 Transistor Reverse detection circuit
Q2 Transistor Parking detection circuit
Q3 Transistor ILLMI detection circuit
Q4,6 Transistor Bu detection circuit
Q7~10 Transistor P_CON output circuit
Q11,12 Transistor ANT_CON output circuit
Q13 Transistor EXT_CON output circuit
Q51 Transistor Generating Bu5V
Q52 Transistor Bu5V circuit
Q53,54 Transistor SW5V circuit
Q70~72 Transistor Audio8V and Tuner8V generation
Q81~86 Transistor Relay SW1 output, and over current detection circuit
Q91~96 Transistor Relay SW2 output, and over current detection circuit
Q101 Transistor µ-com reset circuit
Q102,103 Transistor TV reset circuit
Q104,105 Transistor DET MUTE circuit (Trigger Reset)
Q106 Transistor DET MUTE circuit (Trigger Bu-DET)
Q107 Transistor DET MUTE circuit (Trigger X14Bu-DET)
Q108 Transistor DET MUTE circuit (Trigger Bu-DET)
Q251,252 Transistor On when AM (Tuner8V)
Q351 Transistor Pre-OutMute Mute transistor (FL)
Q352 Transistor Pre-OutMute circuit (Front, Rear)
Q353 Transistor Pre-OutMute Mute transistor (FR)
Q354 Transistor Pre-OutMute Mute transistor (RL)
Q355 Transistor Pre-OutMute Mute transistor (RR)
Q356 Transistor Pre-OutMute Mute transistor (SUB L)
Q357 Transistor Pre-OutMute circuit (SUB)
Q358 Transistor Pre-OutMute Mute transistor (SUB R)
Q359 Transistor Pre-OutMute Mute transistor (AV-OUT L)
Q360 Transistor Pre-OutMute circuit (AV-OUT)
Q361 Transistor Pre-OutMute Mute transistor (AV-OUT R)
COMPONENTS DESCRIPTION

Kenwood DDX7029 Specifications

General

Brand	Kenwood
Model	DDX7029
Category	Car Video System
Language	English