Panasonic NV-FS100 Service Manual

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Product Group: VCR Model: NV-FS100
Date: 22/10/98 Revision No: 01 Document No: 01
Subject: Common Faults

NV-FS100 & NV-FS90 Common Faults

Dead, no power supply.................................................................. C1113 open circuit - 1uF at 400v

Dead, no power supply.................................................................. D1116 short circuit - MA2160A

D1116 short circuit....................................................................... C1117 open circuit - 56uF at 50v

Bad playback picture VHS............................................................ C3501 open circuit - 1uF at 50v

Bad playback picture S-VHS......................................................... IC303 faulty - VEFH05B

Fine diagonal lines on playback..................................................... C3311 open circuit - 3.3uF at 16v

Bad drop-out on playback............................................................. C3311 open circuit - 3.3uf at 16v

Intermittent drop-out on playback................................................. Replace static brush - VXS0113

Drop-out on playback................................................................... Replace C3322 with a 0.1uF capacitor

Vertical lines on playback............................................................. C3516 open circuit - 3.3uF at 16v

Dark smearing to right of playback picture................................... C3506 open circuit - 3.3uF at 16v

Not recording control pulses........................................................ C2311 open circuit - 1uF at 50v

Badly distorted E to E picture...................................................... C3810 open circuit - 3.3uF at 50v

Smearing on E to E picture.......................................................... C3808 open circuit - 3.3uF at 10v

Shading on E to E picture............................................................ C730 & C731 open circuit - 10uF at 16v

Patterning on E to E picture........................................................ C7678 open circuit - 10uF at 16v

Mechanism cuts-out in some modes............................................ C6017 open circuit - 47uF at 6v

Squeaking between mode changes..............................................Worn capstan rotor soft brake - VXL1873

Noisy in rewind and fast forward................................................ Worn belt rension roller - VXA3516

Panasonic CS U.K. Document No: 01

Model: NV-FS100

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