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DDX7032/7032M/712
DNX7120/7220/7320
COMPONENTS DESCRIPTION
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC8
3-terminal regulator
DSP_D3.3V POWER SUPPLY
IC10
3-terminal regulator
DSP_D1.25V POWER SUPPLY
●
CONTROL CIRCUIT UNIT (X29-4490-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC100~102
OP amp
5V_AMP
IC103
Voltage Converter
Power supply (9V
→
-9V)
Q4
Transistor
AV OUT_AR Mute
Q5
Transistor
Mute SW for AV OUT
Q6
Transistor
AV OUT_AL Mute
Q100
Transistor
PRE FL_Mute
Q101
Transistor
PRE OUT F/R Mute SW
Q102
Transistor
PRE FR_Mute
Q103
Transistor
PRE RL_Mute
Q104
Transistor
PRE RR_Mute
Q105
Transistor
PRE SWR_Mute
Q106
Transistor
PRE OUT SWR/CENTER Mute SW
Q107
Transistor
PRE CENTER_Mute
Q108
Transistor
P_ON SW
Q109,110
Transistor
+B sw
Q111~116
Transistor
Voltage Converter circuit (9V
→
-9V)
Q200~205
Transistor
Relay SW1 output, and over current detection circuit
Q206~211
Transistor
Relay SW2 output, and over current detection circuit
●
ELECTRIC UNIT (X34-584x-xx/X34-598x-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC100
3-terminal regulator
DSP_A5V circuit
IC101
3-terminal regulator
T8V (Distributor power supply) circuit
IC102
Op amp
PW-IC midpoint circuit
IC103
3-terminal regulator
Generate SEL_A5V (AV selector AK4220)
IC104
3-terminal regulator
Generate SEL_3.3V (AV selector AK4220)
IC105
Op amp
PW-IC midpoint circuit
IC106
3-terminal regulator
Generate A8V (Audio 8V)
IC200
AV selector
Audio/Video signal selector
IC201
Op amp
AV selector ISO-AMP
IC202
Op amp
AV-IN2 ISO-AMP
IC203
EVOL IC
Audio volume control and audio signal selection
IC300
Op amp
Buffer for ADC-L/R signal
IC303
Logic IC (Buffer)
DSP, CODEC control and Data signal processing
IC304
Logic IC (AND)
DSP, CODEC control and Data signal processing
IC500
RDS decoder IC
For RDS signal processing and demodulation
IC550
Logic IC (Inverter)
Processing of remote controller signal from NAVI
IC650
Logic IC (AND)
Switching of SAT_TX data