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Top quality manual. Covers all aspects you'd expect in a top quality service manual for this Panasonic VHS VCR. The manual resolution is high. Another top quality manual from the only site worth downloading manuals from! If you're looking for a manual for the PV-9662 VHS VCR, this is the one you'll want to get!
complete part-lists and pcb layout, schematic diagram is good enlargable,
Text excerpt from page 48 (click to view)
Linearlty adjustment & BER value confirmation
1. Remove the mechanism adjustment cover of tis machine as shown in Fig. D1. 2. The spcial tool at the time of electricity adjustment is connected. Reference of the connection figure of electricity adjustment. 3. The enbelope detection spcial tool board (VFK1641) is connected to EVR adjustment board as shown in Fig. D2. 4. The enbelope detection spcial tool board is connected to oscilloscope as shown in Fig. D2. 5. The post is adjusted with the post driver(VFK1899) so that recycles the standard tape and the detection wave-link become a flat as shown in Fig. D3. *At the time of the clyinder unit exchange unnecessary. 6. The post is adjusted with the post driver so that recycles a alignment tape(VFM3010EDS) and the detection wave-link become a flat once again. 7. Recycling the tape that video-taped it wirh this machine after adjustment, the BER value is confirmed withthe item of the BER the item of the BER confirmation of expert soft inside.
Fig. D1
