Kenwood KVT-915DVD Service Manual

Also see for KVT-915DVD: Instruction manual Service manual Instruction manual

Contents

9KVT-915DVD,925DVD,935DVDKVT-945DVD,965DVDRef No. Application / Functions Operation / Condition / CompatibilityQ12 SW ANT CON switchQ13 Buffer amp Video bufferQ14 SW P CON switchQ15,16 Protection P CON protectionQ17 SW P CON switchQ18 SW ANT COM switchQ19 AVR For A9V outputQ20 AVR CHROMA 8.5V outputQ21 SW BU line detect switchQ22 SW Control switch for EXT. amplifierQ23 SW ACC line detect switchQ24 AVR For V5V outputQ25 SW Parking line detect switchQ26 SW Muting switchQ27 SW Reverse detection switchQ28 SW ±9V charge pump AVR switchQ29 AVR ±9V charge pump AVR (for darlington circuit)Q30~35 AVR Charge pump stabilization circuitQ36,37 SW For A9V switchQ100~104 SW Muting switchQ201 Buffer amp RDS signal bufferQ203,204 SW Power switchQ206 Buffer amp RDS signal bufferQ207 SW Muting switchQ210~212 Amp Noise ampQ400,401 Buffer amp Video bufferQ402~407 SW For mutingQ408 SW Muting switchQ410,411 SW For mutingQ500 SW Muting switchQ501,502 SW For mutingQ503 Buffer amp Video buffe● VIDEO UNIT (X35-4280-01)Ref No. Application / Functions Operation / Condition / CompatibilityIC1 Inverter control IC Control for LCD back light (inverter circuit and driver)IC101 DC/DC converter For VCOM amp (±12V, for LCD -12.0V/+18.5V)IC203 Amp VCOM signal ampIC301 Timing controller Control for LCDIC302 AND V. SYNC delay line bufferIC303 PLL LPF PLL control LPF (VT voltage control)IC304 Schmidt inverter Waveform shaping for c.sync signalIC401 Dimmer sensor Dimmer detect sensorCOMPONENTS DESCRIPTIONwww . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299