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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.
9. Flow Chart of Troubleshooting
9-1. Power On
' Power On ' does not work Yes
Check the Battery Voltage is more than 3.4V
No
Charge the Battery
Yes
No C406(VINT) = 2.7V? Check the PMU related to VINT
Yes
Check the Clock at R400=32KHZ
No Resolder OSC400
Yes
C420(+VDD_IO_LOW) & C419(+VDD_IO_HIGH) = "H"? Yes
No
Check the related circuit
C400(+VDD_GSM_CORE) = 1.875 V?
No
Check the +VDD_GSM_CORE circuit
Yes
Check for the clock at C117 = 26MHz
No
Check the clock generation circuit (related to TCX100)
Yes
Check the initial operation
Yes END
9-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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