PANASONIC NV-F55 free download

File name PANASONIC VCR NV-F55.pdf

TechInfo Sheet Audio Visual Product Group: VCR Date: 17/05/99 Subject: Common Faults Model: NV-F55B Revision No: 01 fax: 01344 853689 email: [email protected] Document No: 03 NVJ40/42/45/47/F55/F77 COMMON FAULTS Dead power-supply... Poor video playback from cold... C1110 faulty - 1uF at 400v C1127 faulty - 330uF at 10v Power-supply whistling in standby... add 0.01uF capacitor across Pins 3 & 4 of Q1103 Dead power-supply (F55)... Cutting-out intermittently from play or record... Sticking between modes and powering down... No frame sync on E-to-E... No tuning or tuning varies... No sound on E-to-E and tuning does not stop... Bad patterning while recording... Bad patterning on E-to-E... Sound on vision patterning... broken earthing print to IC1113 faulty reel sensors - ON2170 dry joints on mechanism solenoid C315 faulty - 4.7uF non-polarised C7666 leaky - 0.01uF at 50v IC7651 faulty - AN5421 C831 faulty - 4.7uF at 50v C318 faulty - 100uF at 6v C313 faulty - 22uF at 6v No E-to-E picture... IC302 faulty - VEFH14D or VEFH14G No E-to-E picture or VU display... IC7001 faulty - M66006FP No colour on playback or record... IC302 faulty - VEFH14D or VEFH14G No colour on record and servo hunting (J45/J47/F55/F77)... NTSC 4.43 switch on Capstan motor goes high speed... L2001 open circuit to capstan stator Colour noise at insert edit (F77)... missing link between L503 & junction of R518/520 Powers off when tape is inserted... right side cassette housing worn or broken Panasonic CS U.K. 1 Document No: 03 Model: NV-F55B