Kenwood KVT-915DVD Service Manual page 6

KVT-915DVD,925DVD,935DVD
KVT-945DVD,965DVD
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Ref No. Application / Functions
IC524 CMOS logic IC
IC525 CMOS logic IC
IC526 CMOS logic IC
IC527,528 CMOS logic IC
IC529,530 SDRAM
IC531 CMOS logic IC
IC532 Shunt regulator
IC533,534 CMOS logic IC
IC535,536 CMOS logic IC
IC537 CMOS logic IC
IC700 SRAM IC
IC701 CMOS logic IC
IC702 Flash memory
IC703 CPLD
IC704 DVD processor
IC705 AVR
IC707 AVR
IC708 AVR
IC709 Video encoder
TE
L 13942296513
IC710 SDRAM
IC712 Video amp
IC713 AVR
IC714 PLL IC
IC716 CMOS logic IC
IC900 DSP
IC901 Isolation amp
IC902 OP amp
IC903 Audio D/A converter
IC904,905 SRAM
IC906 CMOS logic IC
IC907 CMOS logic IC
IC908 6ch audio DAC
IC909 AVR
IC910 2ch audio DAC
IC911 CMOS logic IC
IC912 CMOS logic IC
IC913 CMOS logic IC
IC914 OP amp
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IC915 CMOS logic IC
IC916 CMOS logic IC
IC917~919 OP amp
.
IC920,921 CMOS logic IC
IC922 CMOS logic IC
6
COMPONENTS DESCRIPTION
Control for bus switch
Generated control signal for SRAM
Power down protection
Clock buffer
Graphic drawing SRAM
Generated select signal to R/G/B selector
Ref voltage for graphic video DA converter
Level shift
Synchronies to V/H sync.
Two-way control for mini EL display
For DVD processor
generated control signal for SRAM
For DVD processor, start-up program
Generated control signal for all of IC's
Video/audio data decode processor
For video decoder (+3.3V)
For video processor decoder (+2V)
For video encoder (+1.25V)
Encode for video data to RGB and composite video signal
For DVD processor
Video amp (6dB)
For video amp (+5V)
Control for clock oscillator
Clock dividing circuit (27MHz→13.5MHz) for graphic IC
Digital signal processor (sound field control)
For external audio input
For isolation amp (GND line)
For external audio input
For DSP
For audio control signal (buffer)
Select for audio control signal
Audio D/A converter (5.1ch)
For audio DAC (+5V)
Audio D/A converter (AV output)
Select for audio control signal
Audio control signal buffer
Select for audio control signal
Audio signal amp
Audio control signal buffer
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y
Select for audio control signal
Audio signal amp
i
Muting for audio output signal
Select for audio data
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8
Operation / Condition / Compatibility
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