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KVT-819DVD/829DVD
/829DVDY/839DVD
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC71
3 terminal regulator
Audio8V and Tuner8V generation
IC101
µ-com
Primarily, audio board control
IC102
Reset IC
µ-com reset voltage (4.2V) monitoring
IC104
Logic IC (AND)
Synthesis of remote control signal from X14 and Wired_remote control signal
IC105
Serial/Parallel IC
Control output of AudioSW IC
IC106
Logic IC
Conversion of communication level (3.3
→
5) between X14 system µ-com
IC201
Electronic volume IC
Audio volume control and audio signal selection
IC202
Logic IC (multiplexer)
Audio signal selection (Sub)
IC203
Logic IC (multiplexer)
Audio signal selection (Main)
IC251
RDS decoder IC
For RDS signal processing and demodulation
IC301
Power IC
Power amplifi er for speaker output
IC501
isoAMP IC
Isolation of audio signal (L/R/G) from X14 (Main)
IC502
isoAMP IC
Isolation of audio signal (L/R/G) from X14 (Sub)
IC701
isoAMP IC
Isolation of audio signal (L/R/G) from TV tuner
IC702
Logic IC (AND)
Buffer for NAVI_REMO
IC722
isoAMP IC
Isolation of audio signal (L/R/G) from AVIN2 (External input)
IC723
isoAMP IC
Isolation of audio signal (L/R/G) from AVIN1 (External input)
IC802
Video switch IC
Selection of AVIN1, AVIN2, BCAM, TV, and NAVI video signals
IC803,804
Video switch IC
Selection of TV, X14VIDEO, ANIN1, and ANIN2 video signals
IC805
Video switch IC
Selection of BCAM, AVIN1, and AVIN2 video signals
IC806
Video switch IC
Selection of AVIN1, AVIN2, BCAM, TV, and NAVI video signals
IC807
Video switch IC
Selection of TV, and NAVI RGB R signal
IC808
Video switch IC
Selection of TV, and NAVI RGB G signal
IC809
Video switch IC
Selection of TV, and NAVI RGB B signal
IC810,811
Video switch IC
Selection of AVIN1, AVIN2, BCAM, TV, and NAVI video signals
IC901
OPAMP
Buffer for 5VPRI of front L/R
IC902
OPAMP
Buffer for 5VPRI of rear L/R
IC903
OPAMP
Buffer for 5VPRI of sub woofer L/R
IC904
Switching regulator IC
Generation of ±9V power supply
IC910,911
OPAMP
Generation of mid point power supply for POWER AMP IC
Q1
Transistor
Reverse detection circuit
Q2
Transistor
Parking detection circuit
Q3
Transistor
ILLUMI 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_CONT output circuit
Q14
Transistor
Relay SW1 output, and over current detection circuit
Q15
Transistor
Relay SW2 output, and over current detection circuit
Q51
Transistor
Bu5V generation
Q52
Transistor
Bu5V circuit
COMPONENTS DESCRIPTION