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There are currently no product reviews.
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Very Good! All the diagram are easy to read, and its complete.
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This was an excellent source of detailed assembly information on a device which is at least 12 years old. A very lucky find, coupled with great service.
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Excellent Service Manual and best price on the Internet. This Service Manual covers everything you could ever need including full circuit schematics, component layout diagrams, stripdown procedure and full parts list/breakdown. I needed this to carry out a modification to one of these headunits and this manual covered everything I needed. Fast delivery, processed within a few hours.
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Thought I would never find a copy of the Technics SX-EN2 Service Manual until I found Owner-Manuals.com. Price was very fair and I received the download promptly. While a photocopy, it is quite readable and includes all the pertinent information and diagrams. Thank you Owner-Manuals!
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I really like this manual and it's reliable.I found and bought easly.thank you.
EN 24
5.3.4
5.
DVD728-731 /0X1
Service Hints, Trouble Shooting and Fault Finding
No Sound
B When read disc, Laser ON OK? Signal LDO1 and LDO2  is normal? Y Y Voltage of TP22 &TP24 OK? N Check the peripheral circuit of two transistor (item 7620 & 7621) Check the peripheral circuit of MT1366 Check the peripheral circuit of two transistor (item 7620 & 7621)
N
N
Load a disc?
N
Laser off Y
Check the circuit to connect LOADER OPU maybe damaged
Y
Focus On ok?
N
Any signal on pins A B C D E F of MT1366 Y Signal FEO (pin18 of MT1336) correct?
N
Check the circuit between Loader and MT1336
N
Check the peripheral circuit of MT1336
Y
Y Check the circuit from Pin18 of MT1336 to Pin205 of MT1379
Disc ID correct?
N
Signal of Pin 19 (RFL) of MT1336 normal? Y Check the circuit from Pin19 of MT1336 to Pin206 of MT1379
N
Check the peripheral circuit of MT1336 and itself.
Y
Spindle on OK?
N
DMSO (pin18 of MT1379) normal? Y Signal SP+  &  SPcorrect?
N
Check MT1379 and its peripheral circuit.
N
Check BA5945 (motor driver) and its peripheral circuit
C
Y Check the connection between spindle driver and BA5945
CL 36532024_008.eps 210303
Figure 5-4 No Sound
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