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Now downloading free:Sharp Vca230X

Sharp Vca230X free download

VCR, VHS, tape drives service manuals and repair information

File information:
File name:VCA 230 X 280 X 480 X.part1.rar
[preview Vca230X]
Size:1423 kB
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Mfg:Sharp
Model:Vca230X 🔎
Original:Manual 🔎
Descr:VCR Manual1
Group:Electronics > Consumer electronics > Video recorders VCR
Uploaded:29-08-2004
User:daceliteck
Multipart: 0  1  2  3

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Extracted files:1
File name VCA 230 X 280 X 480 X.pdf

VC-A230NZ/X VC-A280NZ/X VC-A480NZ/X SERVICE MANUAL S99N9VC-A230N VIDEO CASSETTE RECORDER (VC-A230NZ/X) (VC-A280NZ/X,A480NZ/X) VC-A230NZ/X VC-A280NZ/X MODEL VC-A480NZ/X In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified be used. CONTENTS Page 1. SPECIFICATIONS ... 3 2. DISASSEMBLY AND REASSEMBLY ... 4 3. FUNCTION OF MAJOR MECHANICAL PARTS ... 7 4. ADJUSTMENT, REPLACEMENT AND ASSEMBLY OF MECHANICAL UNITS ... 9 5. ELECTRICAL ADJUSTMENT ... 28 6. MECHANISM OPERATION FLOWCHART AND TROUBLESHOOTING GUIDE ... 32 7. ELECTRICAL TROUBLESHOOTING ... 38 8. BLOCK DIAGRAM ... 49 9. SCHEMATIC DIAGRAM AND PWB FOIL PATTERN ... 57 10. REPLACEMENT PARTS LIST ... 71 11. EXPLODED VIEW OF MECHANISM PARTS ... 78 12. PACKING OF THE SET ... 82 SHARP CORPORATION 1 VC-A230NZ/X VC-A280NZ/X VC-A480NZ/X PRECAUTIONS IN PART REPLACEMENT When servicing the unit with power on, be careful to the section marked white all over. This is the primary power circuit which is live. When checking the soldering side in the tape travel mode, make sure first that the tape has been loaded and then turn over the PWB with due care to the primary power circuit. Make readjustment, if needed after replacement of part, with the mechanism and its PWB in position in the main frame. (1) Start and end sensors: Q701 and Q702 Insert the sensor's projection deep into the upper hole of the holder. Referring to the PWB, fix the sensors tight enough. (2) Photocoupler: IC901 Refer to the symbol on the PWB and the anode marking of the part. (3) Cam switches A and B: D708 and D705. Adjust the notch of the part to the white marker of the symbol on the PWB. Do not allow any looseness. (4) Take-up and supply sensors: D711 and D712. Be careful not to confuse the setting direction of the parts in reference to the symbols on the PWB. Do not allow any looseness. 2 VC-A230NZ/X VC-A280NZ/X VC-A480NZ/X 1. SPECIFICATIONS Format: Video recording system: Video signal: Recording/playing time: VHS PAL/NTSC standard Rotary, slant azimuth t



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