Kenwood KDV-MP4339 Service Manual

Also see for KDV-3241Y: Product information Instruction manual

Contents

6KDV-3241Y/MP4339/MP4439/MP5032YESYES NO IC401(1, 2, 3, 6, 61), IC601(21, 22, 23),IC801(22), Q706, Q707, Q709, Q710YESChecked the Mute Control?NO TU101(19), IC401(4)YESChecked the AF mute?OKSomething wrong With the Sound?Hearing the Pop Noise?YESYES NO Q308, F303, IC701(8)YESChecked the Line Out AMP Vdd?NO Q309, IC401(64)YESChecked the Line Out AMP Vdd control?YES NO IC701(4)Checked the Line Out AMP Ground?YES NO IC401(48), Q705, Q701, Q703Checked the Line Out AMP Mute Contorl?YES NO IC701(1, 2, 3, 5, 6, 7)Checked the Line Out AMP Signal in/out?OKSomething wrong With the Sound?No REAR Line out signal?YESYES NO IC401(80), BU302YESChecked the Beep Control?OKSomething wrong With the Sound?No output Beep sound?YESYES NO Q308, F303, IC702(8)YESChecked the Line Out AMP Vdd?NO Q309, IC401(64)YESChecked the Line Out AMP Vdd control?YES NO IC702(4)Checked the Line Out AMP Ground?YES NO IC401(48), Q705, Q701, Q703Checked the Line Out AMP Mute Contorl?YES NO IC702(1, 2, 3, 5, 6, 7)Checked the Line Out AMP Signal in/out?OKSomething wrong With the Sound?No Subwoofer Line out signal?YESYES NO IC901(56)YESChecked the LCD Driver Vdd?NO IC901(59)YESChecked the LCD Driver Ground?NO IC901(61), CN901(11), IC401(75)NO IC901(60)NO IC401(76, 78, 79), CN901(3, 4, 10),IC901(62, 63, 64)NO IC901(1 ~ 55), LCDChecked the LCD Driver RESET?YESChecked the LCD Driver OSC?YESChecked the LCD Driver data interface?YESChecked the LCD to LCD Driver line?YESOKSomething wrong with the Display?No Display or Some Display is broken?YESYES NO IC601(25, 26), IC401(9, 54)YESChecked the Level Meter Signal Input?OKSomething wrong with the Display?Don't moved Level dancing bar?YESYES NO F302, CN801(11), IC401(66), IC301(9)YESChecked the Dimmer control input?NO IC301(4), CN901(13)YESChecked the LED Vdd?NO LD901 ~ LD919, LD922 ~ LD926Checked the LED?YESOKSomething wrong with the Display?Not available to illumination with button?YESYES NO F302, CN801(11), IC401(66), IC301(9)YESChecked the Dimmer control input?NO IC301(4), Q320, Q322, CN901(12)YESChecked the LCD Vdd?NO IC401(58, 59), Q319, Q321NO LD920 ~ LD921Checked the LCD Vdd control?Checked the LED?YESYESOKSomething wrong with the Display?Not avaliable to LCD Lighting control?3. Display Error Correction Flow ChartTROUBLESHOOTING