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The purchased manual is an high-quality scan of the original JVC paper-based Service Manual. The Service Manual includes the Owner´s Manual, so you do not have to buy both of them.
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It paid to find this Service Manual, couldn't find it anywhere else. Exactly what I wanted. Received within 24 hours.
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Complete manual with clear schematic diagrams and printed circuit board layouts of two variants of the headset and the transmitter an old and a new version.
Also shows how the headset and the transmitter is opened and how transmitter and receivers can be adjusted and where to measure.
I had no problems to repair the headset using this service manual.
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Excellent printing quality. A complete and very useful manual with all details.
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This is a great site. I placed my order and by the next am it was available for download. Had some problems with some missing copy on some pages. Once I brought the error to the OMC's attention, the issue was resolved. I'll come back again.
DV-525
7.1.2 TROUBLE SHOOTING
� No Power ON � FL is not turned ON � FL indication is unusual
START � Blow out fuse of the primary side � Blow out micro-fuse on the POWER SUPPLY Assy. (Check the each voltage.) (KU, KC : P202, P204, P205, P201) (Others : P611, P211, P711) � FL controller IC (IC101) on the FLKY Assy is damaged.
Power ON
Turn on the power again after 2 - 3 minutes. � Check the following connections : POWER SUPPLY Assy - DVDM Assy DVDM Assy - FLKY Assy FLKY Assy - PWSB Assy � Check each voltage (EV+5V, SW+5V, SW+3.3V, +6V and +12V) (If above voltage are not supplied, check the micro-fuse.)
Is FL turn on ? Yes
No
Is the indication of FL normal ? Yes
No
FL indication is dark or flickers.
� Short or open the zenner diode on the POWER SUPPLY Assy. (KU, KC : D207) (Others : D513) � Check the values of R110 - R120 on the FLKY Assy. Refer to the section "7.1.3 ERROR CODE".
Indicates the error message
� Blow out micro-fuse on the POWER SUPPLY Assy. (KU, KC : P201) (Others : P711)
Is tray open ? Yes
No
� Check the connection between PICKUP Assy and DVDM Assy. (14P flexible cable) � Check the +6V power supply voltage (above micro fuse).
Do the video and sound come on ? Yes
No
Check the connection between AVJB Assy and DVDM Assy.
Indicate the error message. OK
Refer to the section "7.1.3 ERROR CODE".
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