KDV-3241Y/MP4339 /MP4439/MP5032 TROUBLESHOOTING 1. System Control Error Correction Flow Chart Something wrong with the system control? Something wrong with the system control? Not available to Telephone Mute? No power? Inside of CN802, F801 Checked the tel mute input? CN801(5), Q305, Q306, IC401(62) Checked the Fuse? IC401(1, 2, 3, 6, 61), IC601(21, 22, 23), CN801(16, 15)
KDV-3241Y/MP4339 /MP4439/MP5032 TROUBLESHOOTING 3. Display Error Correction Flow Chart Something wrong With the Sound? Something wrong with the Display? Hearing the Pop Noise? IC401(1, 2, 3, 6, 61), IC601(21, 22, 23), No Display or Some Display is broken? Checked the Mute Control? IC801(22), Q706, Q707, Q709, Q710 Checked the LCD Driver Vdd? IC901(56)
KDV-3241Y/MP4339 /MP4439/MP5032 TROUBLESHOOTING 4. Tuner Error Correction Flow Chart 5. AUX Error Correction Flow Chart Something wrong With the Tuner system? Something wrong With the Tuner system? Not available to Tuner? AUX no sound? JK901, CN910, CN503, CN901(15, 17), TU101(6, 17), Q307, IC301(10, 14) Checked the AUX Signal input? Checked the Tuner Vdd? IC601(11, 13)
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KDV-3241Y/MP4339 /MP4439/MP5032 TROUBLESHOOTING Something wrong With the DVD system? Something wrong With the DVD system? Front LCD : “INIT” Display? No Reading & “FILE CHECK” DISPLAY? IC1301(VDD33,VDD12,+3VA). See Fig.13. Checked the Input voltage of MPEG IC? Checked the Limit SW? CN1202(13), IC1301(75).
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KDV-3241Y/MP4339 /MP4439/MP5032 MICROCOMPUTER’S TERMINAL DESCRIPTION ● MAIN MICROCOMPUTER: EAN36171501 (MAIN UNIT IC401) Pin No Pin Name Description PPLL_SCL Clock output for interface with PLL IC & EEPROM (TU101 15pin) PPLL_DO Data for PLL IC & EEPROM (TU101 14pin) PPWR_MUTE Power AMP. Direct Mute Control Output (IC801 27pin) PAF_MUTE For TUNER AF Mute (TU101 8pin) PRMC...
KDV-3241Y/MP4339 /MP4439/MP5032 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No Pin Name Description PEV_DO To volume controller, data output (IC601 12pin) PEV_CLK Clock for interface with volume controller (IC601 13pin) Avref Reference voltage applied to A/D converter PLINE_MUTE LINE-OUT MUTE ON/OFF Control (Q705) N.C.
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KDV-3241Y/MP4339 /MP4439/MP5032 MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No Pin Name Description PDVD_DI Data input of DVD PDVD_CLK CLK output of DVD PREMOTE External amp on (IC301 13Pin) Download_CLK CLK for Program upgrade Download_IO Data I/O for fl ash memory programmer (Pull-up register) RESET System reset input SUB CLK...
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KDV-3241Y/MP4339 /MP4439/MP5032 CIRCUIT DESCRIPTION OILNRPY004B (FRONT UNIT IC901) • BLOCK DIAGRAM COM1 COM2 COM3 COM4 S G51 S G50 S G 13 S G12/P12 SG2/P2 SG1/P1 V DD1 COMMON SE GME NT DR IV ER & LATCH DRIVE R V DD2 /INH CLOCK OS C...
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KDV-3241Y/MP4339 /MP4439/MP5032 CIRCUIT DESCRIPTION EAN36433701 (DVD UNIT IC1502) • BLOCK DIAGRAM RY/BY# Timer/ Vcc Detector DQ0-DQ15(A-1) Counter Analog Bias Generator Input/Output Buffers Command Write Register State Machine RESET# Data Latch/ Sense Amps Sector Switches Y-Decoder Y-Decoder > A<0:20 Cell Array X-Decoder Chip Enable Output Enable...
KDV-3241Y/MP4339 /MP4439/MP5032 MAIN FIRMWARE UPGRADE METHOD 1. Confi rmation of version information 4. Upgrade progress display • Change the Source of audio set to CD/DVD. (Default: • Upgrade is in progress now. [Erase → Write → I-VRF → tuner) D-VRF] •...
KDV-3241Y/MP4339 /MP4439/MP5032 DVD FIRMWARE UPGRADE METHOD 1. Upgrade Program reading • Insert update CD in ACC on state and then [READING → D_UPGRAD] is displayed in order. 2. Upgrade start • In order to start upgrade, Press 1 [ENTER] key. 3.
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KDV-3241Y/MP4339 /MP4439/MP5032 AUX UNIT BACK LIGHT UNIT DVD UNIT Ref. No. Address L1101 IC1501 SW1301 C1121 IC1601 IC1602 IC1604 Q1401 Q1402 Q1403 Q1404 Q1405 Q1406 Q1407 Q1408 Q1409 Refer to the schematic diagram for the values of resistors and capacitors.
KDV-3241Y/MP4339 /MP4439/MP5032 PC BOARD PC BOARD (COMPONENT SIDE VIEW) (FOIL SIDE VIEW) FRONT UNIT FRONT UNIT LD905 R970 LD904 R954 LD901 LD907 LED908 R933 R958 ZD903 R950 R914 R932 C912 C915 R911 R913 R912 C917 R906 C913 C914 C916 ZD909 R936 C911 C910...
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KDV-3241Y/MP4339 /MP4439/MP5032 MAIN UNIT ANT. IC801 FM/AM FRONT-END ANT101 R101 TU101 D101 POWER C101 AM ANT FM ANT RF GND C805 R102 220 0.1u50 S MTR D801 D802 R115 SSTOP L101 8.5V R117 L106 VCC GND AF MUTE R106 QUALITY L104 A-GND R103...
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KDV-3241Y/MP4339 /MP4439/MP5032 CAUTION : For continued safety, re place safe ty critical com po nents VIDEO LINE only with manufacturer’s rec om- SIGNAL LINE mend ed parts (refer to parts list). GND LINE IC203 : 0ISTLTI071A Q301,302,305,322,415 Indicates safety critical com- B LINE IC301 : 0IPMG78431A...
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KDV-3241Y/MP4339 /MP4439/MP5032 FRONT UNIT LCD1 (SEGMENT) LCD1 (COMMOMN) EV901 STEREO JACK CN503 L901 R903 2.2uH VOL U 1.2K CN910 AUX L JK901 AUX-L VOL D AGND AGND L902 R901 AUX R 2.2uH 1.2K AUX R 3 L8.4V DISC IN L DISC IN R PRESET 1 PRESET 2...
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KDV-3241Y/MP4339 /MP4439/MP5032 CAUTION : For continued safety, re place safe ty critical com po nents only with manufacturer’s rec om mend ed parts (refer to parts list). Indicates safety critical com po nents. To reduce the risk of electric shock, leakage-cur rent or re sis tance mea sure ments shall be carried out (ex posed parts are ac cept ably in su lat ed from the supply cir cuit) be fore the ap pli ance is returned to the customer.
Weight ................ 1.70 kg MP3 Decode ..Compliant with MPEG-1/2 Audio Layer-3 WMA Decode ....Compliant with Windows Media Audio KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. US and foreign patents licensed from Dolby Laboratories.