Tuner Error Correction Flow Chart; Aux Error Correction Flow Chart; Dvd Error Correction Flow Chart - Kenwood KDV-MP4339 Service Manual

4. Tuner Error Correction Flow Chart

Something wrong With the Tuner system?
YES
Not available to Tuner?
YES
NO
Checked the Tuner Vdd?
YES
NO
Checked the Tuner Vdd control?
YES
NO
Checked the Tuner Ground?
YES
NO
Checked the I2C data?
YES
NO
Checked the RF signal in?
YES
NO
Checked the Mute Control?
YES
NO
Checked the SD level(RDS model)?
YES
OK
Something wrong With the Tuner system?
YES
Tuner no sound?
YES
NO
Checked the Tuner Signal out?
YES
NO
Checked the mute?
YES
NO
Checked the E-VR & Power AMP?
YES
OK
Something wrong With the Tuner system?
YES
Not available to AF?
YES
NO
Checked the S-METER level?
YES
NO
Checked the RDS data?
YES
OK
Something wrong With the Tuner system?
YES
Not available to RDS function?
YES
NO
Checked the RDS data?
YES
OK
TROUBLESHOOTING
TU101(6, 17), Q307, IC301(10, 14)
IC401(39, 64), Q318, IC301(11)
TU101(3, 7, 12, 16)
TU101(14, 15), IC401(1, 2)
TU101(1, 2)
TU101(8), IC401(4)
TU101(5), IC401(67)
TU101(10, 11), IC601(5, 6)
TU101(8), IC401(4)
See the Sound Error correction Process.
TU101(4), IC401(55)
TU101(19, 20), IC401(65, 83)
TU101(19, 20), IC401(65, 83)
KDV-3241Y/MP4339
/MP4439/MP5032

5. AUX Error Correction Flow Chart

Something wrong With the Tuner system?
YES
AUX no sound?
YES
NO
Checked the AUX Signal input?
YES
NO
Checked the E-VR & Power AMP?
YES
OK

6. DVD Error Correction Flow Chart

Something wrong With the DVD system?
YES
No Loading/Unloading?
YES
NO
Checked the Eject Key defect?
YES
NO
Checked the Loading Motor IC Vdd?
YES
NO
Checked the Load/Unload Control?
YES
NO
Checked the Load/Unload SW?
YES
NO
Checked the MPEG VDD?
YES
NO
Checked the MPEG Ground?
YES
NO
Checked the MPEG Reset?
YES
NO
Checked the MPEG X-tal?
YES
NO
Checked the Main Micom Data Interface?
YES
NO
Checked the Main Micom Data Interface?
YES
NO
Checked the Disc in load switch?
YES
OK
Something wrong With the DVD system?
YES
Can hear the sound but not display on monitor?
YES
NO
Checked the MPEG Video Signal out?
YES
NO
Check the 6dB Amplifier Vcc, GND?
YES
NO
Check the 6dB Amplifider In, Out?
YES
NO
Check the IC403's Vcc & GND?
YES
NO
Check the IC403's IN, Out, Mute Signal?
YES
NO
Check the Brake Line?
YES
NO
Check the RCA Cable?
YES
OK
JK901, CN910, CN503, CN901(15, 17),
IC601(11, 13)
See the Sound Error correction Process.
See the System error correction
Process with the key control.
IC1202(1, 6)
IC1202(7, 8, 2, 3). See Fig.9.
CN1301(2, 4), SW1301, CN1202(13).
See Fig.9~12.
IC1301(VDD33, VDD12, +3VA). See Fig.13.
IC1301 VSS (1, 23, 35, 46, 63, 81, 100,
171, 180, 198, 208, 220, 245)
IC401(23), IC203(5, 6) CN902(10),
IC1301 NRST(101), CN1601 M_RESET(10)
X1301(1, 3). See Fig.14.
IC401(84, 85, 86, 29), CN902(4, 5, 6, 7)
IC1301(84, 85, 86, 87)
CN902(4, 5, 6, 7) CN1601(4, 5, 6, 7).
See Fig.15.
CN1301(2, 4)
IC1301(161)
IC1603(3, 5). See Fig.30.
IC1603(2, 4). See Fig.30.
IC403(6, 7, 8). See Fig.31.
IC403(3, 4, 5). See Fig.31, 32.
TM1(1, 2)
CN403(1, 2)
7