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