Kenwood KVT-915DVD Service Manual

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

Contents

10KVT-915DVD,925DVD,935DVDKVT-945DVD,965DVDRef No. Application / Functions Operation / Condition / CompatibilityQ1 Dimmer SW On and off is carried out with the control of PWM signal, and dimmer for LCD back lightQ2,3 Inverter driver Drive for inverter circuitQ5 AVR 5V output for inverter control ICQ201~203 VCOM driver VCOM signal bufferQ301 VCO PLL oscillatorQ501 Touch panel Y1 switch Y0 (X0) SW Y (X) axis input data : ON, X (Y) axis input data : OFFQ502 Touch panel X0/Y1 switch Y1 SW Y axis input data : ON and impressed voltageQ503 Touch panel X1/Y0 switch X1 SW Detect to touch panel or X axis data input : ON and impressed voltageQ601 SW OPEN/CLOSE key illumination blinking switch● TUNER UNIT (X86-367x-xx)Ref No. Application / Functions Operation / Condition / CompatibilityIC1 Video switch Video signal selector for diversity antenna (for E type)IC2 Diversity antenna IC Select for antenna unit for electric field intensityIC3 DC/DC converter AVR (30V)IC101 VIF/SIF IC VIF demodulator, SIF demodulator (for E type is diversity antenna)IC102 VIF/chroma IC VIF demodulator (for E type), chroma processorIC201 AM demodulator IC SIF (AM) demodulator (E type)IC202 Noise chancellor Noise chancellor, TV multiplex demodulatorIC203,204 OP amp LPF+ampQ1 SW Video selector (NTSC/PAL/SECAM)Q2,3 SW Select for input SAW filterQ4,5 Buffer IF bufferQ101~103 Buffer Video signal bufferQ104~106 SW Xtal oscillator select switchQ107 SW IF select switchQ108,109 Buffer Generate for H-sync pulseQ111 Buffer RGB video signal buffer (R)Q112 Buffer RGB video signal buffer (G)Q113 Buffer RGB video signal buffer (B)Q114~116 Buffer Video bufferQ117 SW RGB muting switch (R)Q118 SW RGB muting switch (G)Q119 SW RGB muting switch (B)Q201 SW Audio muting switch (L)Q202 SW Audio muting switch (R)COMPONENTS DESCRIPTIONwww . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299