Kenwood KVT-719DVD Service Manual

Also see for KVT-719DVD: Instruction manual Training guide Installation manual Installation manual

Contents

9KVT-719DVD/729DVD/729DVDY/739DVDRef. No. Application / Function Operation / Condition / CompatibilityQ101 SW DC-DC output voltage switchingQ103,106Q108,111 SW DC-DC protection controlQ104 SW DC-DC SW FET (5V or 8V)Q105 SW DC-DC SW FET (5V)Q109 SW DC-DC SW FET (3.3V)Q110 SW DC-DC SW FET (5V)Q201 SW μ-com reset SWQ203 SW KEY RESETQ204,205 SW LED SW (Red)Q206,207 SW LED SW (Green)Q208~210 SW TDF power supply SWQ301 Buffer Composite signalQ304 Buffer VCOMQ305 MUTE IC301 SYNC OUT MUTEQ306 Buffer RGB Signal_RQ307 Buffer RGB Signal_GQ308 Buffer RGB Signal_BQ309 Buffer HSY SYNCQ401 Buffer Graphic SYNCQ501 MUTE DVD MUTE (Lch)Q502 MUTE DVD MUTE (Rch)Q503 SW DVD MUTE controlQ504 Buffer SPDIF signalQ508 Buffer Remote control signal● SWITCH UNIT (X16-3920-10)Ref. No. Application / Function Operation / Condition / CompatibilityIC201 Remote controller photoreceptor Remote controller photoreceptorQ101 For switching DSI signal DSI signal controlQ206 For switching LED Switch LED_Red or LED_Green● ELECTRIC UNIT (X34-475x-xx)Ref. No. Application / Function Operation / Condition / CompatibilityIC61 3 terminal regulator V5V generationIC71 3 terminal regulator Audio8V and Tuner8V generationIC101 Pin 100 μ-com Primarily, audio board controlIC102 Voltage detection IC μ-com reset voltage (4.2V) monitoringIC104 Logic IC (AND) Remote controller data switching (REMO/WREMO)IC105 Serial and parallel conversion IC Audio/Video selector control data output from μ-comIC106 Logic IC (AND x 4) 5V step-up for the signal data between the unit and BOXCOMPONENTS DESCRIPTION