Kenwood DNX4280BT Service Manual page 6

DNX4280BT/5180/5280BT/5380/5380M
/5380BT/5580BT/6040EX/6180/6480BT/6980
● ELECTRIC UNIT (X34-695x-xx)
Ref. No. Application / Function
IC1 Power IC
IC2 Multi channel Voltage Regulator
IC4 3-terminal Regulator
IC71 Voltage Converter
IC231 RDS Decoder IC
IC261 FM & RDS Receiver
IC301 Electoric Vol IC
IC371,381,391 OP amp
IC401 Audio selector IC
IC571 AND (*4) logic IC
Q71,72
Q73
Q74,75
Q76
Q77,78
Q79
Q80
Q111
Q121
Q131
Q151
Q201
Q202
Q241
Q341
Q342
Q343,344
Q351
Q352
Q361
Q362
Q363,364
Q573,574
Q575
Q576
● VIDEO UNIT (X35-514x-xx)
Ref. No. Application / Function
IC1 Logic
IC2 Logic
IC3 DCDC controller
IC4 Logic
6
COMPONENTS DESCRIPTION
Power AMP
ILM8V, CD8V, A8.5V, SW5V, BU5V Power Supply
TMC3.3V Power Supply
+9V, -9V Power Supply
RDS Signal Processing etc
Tuner for TMC
Audio Vol Control, Audio Signal Select
5V Pre out AMP
Audio Signal Select
KAB signal level shift
+9V, -9V Power Supply control
+9V, -9V Power Supply
+9V, -9V Power Supply control
-9V Power Supply
+9V, -9V Power Supply control
+9V Power Supply
+9V, -9V Power Supply control
Reverse Detect
Parking Detect
Illumi Detect
ACC Detect
AM+B Power Supply
AM+B Power Supply control
ANT Distributer
Preout FL mute
Preout FR mute
Preout mute drive
Preout RL mute
Preout RR mute
Preout SWL mute
Preout SWR mute
Preout mute drive
KAB_TX short protection
KAB+B Power Supply control
KAB+B Power Supply
Waveform shaping
AND
LCD Backlight power supply
AND
Operation / Condition / Compatibility
Operation / Condition / Compatibility